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INSTALLATION GUIDE GB

SEALED PELLET STOVE

STREAM COMFORT AIR 12 M2

STREAM COMFORT AIR 12 UP! M2

PART 2 - OPERATION AND CLEANING

Translation of original instructions

TABLE OF CONTENTS

TABLE OF CONTENTS .................................................................................................. II

15FIRST STARTUP .....................................................................................................3

16GRAPHIC PANEL .....................................................................................................4

17DISPLAYS ..............................................................................................................6

18OPERATING MODES ................................................................................................9

19SELECTING THE OPERATING MODES .......................................................................13

20MANUAL MODE ....................................................................................................14

21AUTO MODE .........................................................................................................15

22COMFORT MODE ...................................................................................................16

23OVERNIGHT MODE ...............................................................................................17

24TURBO MODE ....................................................................................................... 18

25  FANS ..................................................................................................................19

26SILENT MODE ....................................................................................................... 21

27START&STOP .......................................................................................................22

28CHRONOSLEEP .................................................................................................... 25

29  WIFI/WPS/BLUETOOTH ......................................................................................34

30SHUTDOWN .........................................................................................................37

31EXTRA DISPLAYS ..................................................................................................38

32USER MENU .........................................................................................................41

33PELLET LEVEL SENSOR ..........................................................................................46

34EXTERNAL THERMOSTAT ....................................................................................... 47

35SAFETY DEVICES ..................................................................................................48

36ALARMS ..............................................................................................................49

37RECOMMENDATIONS FOR SAFE USE .......................................................................56

38CLEANING ...........................................................................................................57

39TROUBLESHOOTING .............................................................................................68

40CIRCUIT BOARD ...................................................................................................71

15-FIRST START-UP

WARNINGS BEFORE IGNITION

GENERAL WARNINGS

Remove all parts that may burn from the brazier and the glass (manual, various adhesive labels or any polystyrene).

Check that the brazier is positioned correctly and rests properly on the base.

The rst ignition may not be successful as the feed screw is empty and does not always manage to load the brazier

with the required amount of pellets in time to light the ame.

CLEAR THE FAILED IGNITION ALARM FROM THE STOVE PANEL OR APP.

REMOVE THE PELLETS LEFT IN THE BRAZIER AND REPEAT IGNITION.

If, after repeated attempts, the ame fails to ignite, despite a regular ow of pellets, check the correct positioning of the brazier, which

must rest snugly against the slots. If no anomaly is found during this inspection, there may be a problem with the product components

or installation may not be correct.

REMOVE THE PELLETS FROM THE BRAZIER AND CONTACT AN AUTHORISED TECHNICIAN.

Do not touch the stove during the rst start-up, as it is during this phase that the paint sets. If you touch the paint,

you may expose the steel surface.

It is good practice to ensure eective ventilation in the room during the initial start-up, as the stove will emit some

smoke and smell of paint.

If necessary, touch up the paint with the spray can of the specic colour.

Do not stand close to the stove and, as mentioned, air out the room. The smoke and smell of paint will disappear after about an hour of

operation, however, they are not harmful in any case.

The product will be subject to expansion and contraction during the start-up and cooling stages, therefore slight

creaking noises may be heard. This is perfectly normal as the structure is made of laminated steel and must not be

considered a defect.

Upon rst ignition, for the rst pellet hopper, it is recommended to start the stove at maximum power so that the structure and the

smell of the paint settle more quickly.

It is recommended to install the ceramic or serpentine stone cladding after the rst successful ignition.

DO NOT EXPECT HEATING EFFICIENCY IMMEDIATELY!!!

16-GRAPHIC PANEL

MAESTRO GRAPHIC PANEL

The “foldaway” panel is located at the back of the product. Grasp the panel at the sides with your hand and lift it. The panel will block in

the raised position. The display is graphic only while the controls are “soft touch”

Attention! It is advisable to put the panel in the “HIDDEN” position while loading the pellet.

16-GRAPHIC PANEL

KEY FUNCTIONS

CONTROL AND MENU SCROLLING KEYS FAN CONTROL MENU

NAVIGATION IN THE DIFFERENT OPERATING

MODES (PROGRAMMES)

ON/OFF AND CONFIRMATION OF MENU

CHOICES

START&STOP ENABLING/DISABLING

GRAPHIC DISPLAY

CHRONO/SLEEP ENABLING/DISABLING

17-DISPLAYS

DISPLAY AT FIRST PRODUCT IGNITION

The display shows an additional sequence to that described in the following paragraph only when the product is rst powered up. This

additional sequence makes it possible to adjust/conrm the current date and time (to make the adjustment later, see the dedicated user

menu paragraph).

DISPLAY UPON SUBSEQUENT PRODUCT FEEDING

Each time the product is powered, the display shows the following sequence:

The Bluetooth sensor (if active) will search for the previously paired devices (see the Bluetooth chapter).

17-DISPLAYS

Display with the product o

1. WI-FI active and connected, the icon is only present if the product is connected to a router or a network.

2. Bluetooth active and/or connected. The icon is present if the Bluetooth has been activated and turns blue if it is connected to a

paired device.

3. Room temperature recorded by the local probe or remote control (OPTIONAL)

4. Current time

5. Active Chrono Programming

6. Icon that identies the need for end-of-season maintenance (2000 h)

7. Pellet reserve light (OPTIONAL)

8. OFF/STANDBY in case of active START&STOP.

The keys are all lit because during this phase each key can allow you to activate functions or access dedicated menus

The icon has a steady white light if the product is o and cold. For the other lighting states of the key, see the shutdown chapters.

After 2 minutes (standard time that can be changed from the menu), the displays goes into standby/energy saving mode (see chap.

“DISPLAYS”)

17-DISPLAYS

Display with the product on

1. COMFORT mode

2. Operating mode crown

3. WI-FI active and connected

4. Bluetooth active and connected

5. AUTO mode

6. OVERNIGHT mode

7. Room temperature recorded by the local probe or remote control (OPTIONAL)

8. Flame power in MANUAL mode or room temperature set in AUTO/COMFORT/OVERNIGHT mode

9. TURBO mode

10. Pellet reserve light (OPTIONAL)

11. MANUAL mode (the active mode shown in this picture)

12. Chrono or Sleep active (see dedicated paragraph for the correct iconography for each function)

18-OPERATING MODES

MAESTRO technology allows the heater to express its utmost potential with even an easier and more intuitive use. A real integrated

micro-computer communicates with your smartphone and further improves the performance of the equipment that continues to work

perfectly even in non-ideal conditions.

It has 5 preset settings making product management even easier, the consumption of the fuel is optimised and improves the comfort of

use, as it can reach extremely quiet operation.

The available settings are:

COMFORT Ideal for all situations requiring maximum comfort. This mode allows an optimised consumption of the fuel to guarantee

a good heating capacity and the best possible silent operation. Once this mode is activated, the user only has to choose the desired

temperature and the appliance will independently manage the ame and ventilation power to ensure maximum comfort. In fact, in this

mode it is not possible to change the power and ventilation, managed intelligently by the MAESTRO system.

AUTO if you prefer traditional automatic operation with the option of setting the temperature and ventilation.

OVERNIGHTGuarantees the maximum silence possible (noise reduced up to 4 times) allowing the maintenance of the room temperature.

This mode is designed, in fact, for night-time operation or temperature conservation in an already pre-heated room ensuring the lowest

possible acoustic impact. In Overnight mode consumption and ventilation are managed intelligently by the MAESTRO system and for this

reason it is not possible to change its values.

MANUAL For those who prefer to use the product in the traditional manner without any temperature control. In this mode the user can

freely choose the mix of ame power and ventilation regardless of consumption or silence.

TURBO Operation at maximum power and ventilation expressed by the product for a limited time (20 min) in order to allow rapid heating

of a cold room. For the expected performance and consumption in this mode, this function can be reactivated only once every hour.

Quiet operation * Comfort** Heating capacity Reduced consumption

COMFORT

OVERNIGHT

TURBO

AUTO

MANUAL

* In operation, during start-up and shutdown

** Gradual heat emission, glass cleaning and combustion chamber cleaning

18-OPERATING MODES

DISPLAY STANDBY

The panel automatically goes into STAND-BY mode after a 2” time-out (the time can be changed from the panel menu).

The stand-by mode still indicates changes in the operating mode of the equipment (e.g.: pellet reserve, shutdown or cooling) and the

room temperature changes with a 60 second interval.

DISPLAY WITH THE PRODUCT OFF

When the display is in stand-by with the product o, the room

temperature, the current time and the word OFF appear; the keys

below turn o.

Simply press any key to awaken the display from this state.

DISPLAY WITH THE PRODUCT ON

When the display is in stand-by with the product on, the room

temperature, the current time, the word ON and the equipment

operating mode icon appear.

Simply press any key to awaken the display from this state.

18-OPERATING MODES

FEED SCREW ACTIVATION (FIRST IGNITION OR AFTER HOPPER EMPTYING)

Prior to rst product ignition, it is necessary to load the fuel and preload the pellets inside the feed screw for loading the fuel in the brazier.

To do this, simply press and hold the key for 10 seconds and the “feed screw

loading” will activate.

The button turns red until the phase ends or is interrupted.

To activate this function, the product must be OFF and COLD (the key

must be white and NOT ashing).

The display shows the feed screw icon and the countdown starting from the

maximum number of seconds provided for the preload cycle (e.g. 120 seconds).

The moment you start to see the pellet drop into the brazier, you

must stop loading by pressing the key.

Ignition must start with an empty brazier and not with a preload.

RED ICON

18-OPERATING MODES

IGNITION

Display upon ignition

• Press and hold the key for at least 2”, the product switches to on and the key ashes until the ignition phase has been

completed. On the other hand, it remains steadily lit and white during operation.

• The operating mode crown appears on the display, and the active mode icon remains lit red. The product turns on in the same

operating mode in which it previously turned o

• The buttons light up according to the active operating mode and if they are o, it means that the function is not available.

• The temperature detected in the room and/or the power appears in the centre of the crown

• The icon is only present if the product is connected to a router otherwise it is o

• The icon is present if the Bluetooth has been activated.

19-SELECTING THE OPERATING MODES

SELECTING THE OPERATING MODES

Navigation in the dierent operating modes takes place using the key. Every time the key is pressed, the next icon on the mode crown

lights up in clockwise direction. The icon and the dashes turn red, showing the change of mode.

The change of mode takes place after 3” from the selection.

The selected icon (e.g.: ) quickly ashes red/grey three times, simulating a pulsation. The dashes remain steadily red.

20-MANUAL MODE

MANUAL MODE

In manual mode it is possible to set the power of the ame from 1 to 5 at your discretion to adjust the amount of heat. In this mode there

is no temperature control and the equipment works constantly at the set power(s)

Press the key to select the icon

The icon and the three adjacent dashes light up red.

All buttons are lit

The room temperature and the current power appear at the centre of the display and the crown.

The icon is only present if the product is connected to a router; otherwise it is o and the icon

is present if Bluetooth has been enabled.

The keys allow you to modify the ame power and if you press them, all the texts at the

centre of the display disappear and only the current setting appears.

The rst press only enters the edit mode and shows the screen illustrated to the side; pressing the

keys again will change the value. The display lasts 3” and in case of no further inputs, it returns to the

image with the crown and updated power.

ATTENTION!

The chosen ventilation aects the maximum power that can be set in MANUAL mode to prevent the structure from

overheating. For example, it is not possible to set the ame power to maximum (P5) and the ventilation to minimum

or even o

If the ventilation values do not allow you to set the intended power, the power adjustment will follow the logic described below:

• However, the power chosen by the user is shown

• The unsuitable power ashes

• The maximum power that can be set appears in red

• You return to HOME with the maximum settable power selected.

Power chosen by the user When the chosen power is too

high for the set ventilation, the

latter ashes.

The maximum selectable

power is shown in red

Return to home with the

maximum settable power

selected.

21-AUTO MODE

AUTO MODE

In AUTO mode, you can set the intended temperature in the room and the equipment runs at maximum power until the chosen

temperature is reached. Once the temperature is reached, the equipment reduces its power to a minimum to hold the temperature.

If even the minimum operating speed causes a further increase in the room temperature, it is advisable to consider the combined

operation with the START&STOP function (see the specic chapter)

Press the key to select the icon

The icon and the three adjacent dashes light up red.

All the buttons below the display remain lit.

The room temperature and the set temperature that is to be reached appear at the centre of the

display and of the crown.

The icon is only present if the product is connected to a router; otherwise it is o and the icon

is present if Bluetooth has been enabled.

The keys allow you to modify the temperature and if you press them, all the texts at the

centre of the display disappear and only the current setting appears.

The rst press only enters the temperature edit mode, whereas pressing the keys again will change

the value.

Once the change is made, the selected temperature appears for 3” and if no further inputs are

made, it is conrmed and the display returns to the previous image with the desired and updated

temperature.

Pressing the keys continuously rapidly adjusts the increasing or decreasing degrees in 0.5°C steps for the rst 5°C and 1°C steps

for the remaining.

ATTENTION!

The chosen ventilation aects the maximum power even in AUTOMATIC mode to prevent the structure from

overheating. If a low ventilation value is chosen, the product will readjust the maximum power threshold to prevent

overheating. To have fully automated temperature and ventilation management, it is advisable to also set the fans

in AUTO mode so that they too change their speed according to the heat demand.

22-COMFORT MODE

COMFORT MODE

In COMFORT mode, you can set the intended temperature in the room and the equipment runs at medium power until the chosen

temperature is reached. Once the temperature is reached, the equipment reduces its power to a minimum to hold the temperature.

If even the minimum operating speed causes a further increase in the room temperature, it is advisable to consider the combined

operation with the START&STOP function (see the specic chapter)

Press the key to select the icon.

The icon and the three adjacent dashes light up red.

All the buttons are lit except the fan button as ventilation cannot be changed in this mode.

The room temperature and the set temperature that is to be reached appear at the centre of the

display and of the crown.

The icon is only present if the product is connected to a router; otherwise it is o and the icon

is present if Bluetooth has been enabled.

The keys allow you to modify the temperature and if you press them, all the texts at the

centre of the display disappear and only the current setting appears.

The rst press only enters the temperature edit mode, whereas pressing the keys again will change

the value.

Once the change is made, the selected temperature appears for 3” and if no further inputs are

made, it is conrmed and the display returns to the previous image with the desired and updated

temperature.

Pressing the keys continuously rapidly adjusts the increasing or decreasing degrees in 0.5°C steps for the rst 5°C and 1°C steps

for the remaining.

In this mode, the equipment works in such a way as to ensure the maximum possible heat with the minimum noise.

23-OVERNIGHT MODE

OVERNIGHT MODE

In OVERNIGHT mode, you can set the intended temperature in the room and the equipment runs at low power until the chosen temperature

is reached. Once the temperature is reached, the equipment reduces its power to a minimum to hold the temperature.

If even the minimum operating speed causes a further increase in the room temperature, it is advisable to consider the combined

operation with the START&STOP function (see the specic chapter)

Press the key to select the icon.

The icon and the three adjacent dashes light up red.

All the buttons are lit except the fan button as ventilation cannot be changed in this mode.

The room temperature and the set temperature that is to be reached appear at the centre of the

display and of the crown.

The icon is only present if the product is connected to a router; otherwise it is o and the icon

is present if Bluetooth has been enabled.

The keys allow you to modify the temperature and if you press them, all the texts at the

centre of the display disappear and only the current setting appears.

The rst press only enters the temperature edit mode, whereas pressing the keys again will change

the value.

Once the change is made, the selected temperature appears for 3” and if no further inputs are

made, it is conrmed and the display returns to the previous image with the desired and updated

temperature.

Pressing the keys continuously rapidly adjusts the increasing or decreasing degrees in 0.5°C steps for the rst 5°C and 1°C steps

for the remaining.

In this mode, the equipment works in such a way as to ensure the minimum possible noise, combining a decent heating capacity to

keep the rooms warm, e.g. at night or in very isolated rooms/homes.

24-TURBO MODE

TURBO MODE

In TURBO mode, the equipment works for the limited time of 20 minutes at its maximum power and ventilation without the possibility

of changing its setting.

Press the key to select the icon.

The icon and the three adjacent dashes light up in red and a

conrmation request appears when selecting the mode. If you

conrm by selecting “ON”, the mode is activated and only the

TURBO indication appears at the centre of the crown. Vice versa,

if you select OFF or if you press the button, you continue

navigating in the direction of the next mode (in this case AUTO).

If activated, all the buttons remain o except and .

In this mode it is not possible to make any adjustment because the equipment emits the maximum of its caloric power.

Every variation requires exiting the mode itself.

The icon is only present if the product is connected to a router; otherwise it is o and the icon is present if Bluetooth has been

enabled.

The TURBO function has a limited duration of 20 minutes.

Pressing the key allows you to change the mode but only after a double conrmation (see screen

at the side) to prevent an accidental exit. Being a mode that brings the product to maximum speed,

it can only be activated once every hour and accidental exit precludes the possibility of re-entering

the mode for the next 60 minutes.

If, on the other hand, you decide to enter TURBO mode anyway before the 60 minutes expire,

a countdown is shown until the mode can be activated. If you decide to remain in this state even

though the 60 minutes have not expired, the TURBO mode will start working as soon as the

countdown reaches 00:00. Until then the product will work in the last mode.

At the end of the 20 minutes of TURBO mode, the product will return to the last mode it was in.

If you are “waiting” to enter TURBO mode, double conrmation is not required to change the mode.

25 - FANS

FAN BASE ADJUSTMENT

You can use the key to adjust the equipment fan/s.

The rst time you press it allows you to enter the edit screen of the rst fan.

The keys change the fan speed.

Pressing the key repeatedly allows you to choose which fan to modify, from a minimum of 1 to 4

fans, according to the composition/construction of the product.

Once the key has been pressed, it is possible to adjust the power for 4” and if there are no further inputs, it returns to the initial image

with the updated ventilation value or unchanged if there has not been any modication.

EXAMPLE:

1 press of the key

(tangential fan)

2 presses of the key

(if 1 C. AIR fan is present)

3 presses of the key

(if 2 C. AIR fans are present)

25 - FANS

The available values start from NO AIR (fan o)/LOW AIR (fan at minimum possible operating speed) up to power 5 (MAXIMUM).

The AUTO mode is added to these choices, which allows self-adjustment of the fan based on the ame power. This mode is very practical

and recommended because this way, the product always generates its maximum heat with minimal noise thanks to parameters that are

tested by the manufacturer.

ATTENTION!

Some products can completely shut down the ventilation of one or more fans thanks to their conformation and ability

to exchange heat. In this case, the NO AIR option will be indicated if you decide to select the minimum ventilation

power. Conversely, some products cannot turn o the fans completely but the minimum power corresponds to a very

slow rotation to facilitate convective motion. In this second case we are referring to LOW AIR.

If one or two fans are set to minimum, the

fan icon changes to and NO AIR or LOW

AIR is indicated according to the product

characteristics and whether the ventilation

can be switched o or not as indicated

above and in the catalogue.

ATTENTION!

If you have a product with more than 1 fan, it is not possible to turn o all the fans manually with the key, but if

you want to make this adjustment, you can enable the SILENT MODE, described below.

26-SILENT MODE

ENABLING THE SILENT MODE

There is an advanced feature to be able to set the product to maximum silence by following an automatic procedure that rst allows all

the residual heat to be evacuated and then set all the fans to minimum power.

Press and hold the key for 5”.

The centre of the crown indicates the activation of the SILENT MODE and the icon

None of the modes are active as this is an additional mode which has the exclusive purpose of setting

all the fans to minimum power.

The buttons turn o as no power or temperature adjustment is possible

After activating the mode, the product needs 10 minutes to be able to denitively enable this feature. During these 10 minutes the

product gradually goes to minimum power to evacuate all the residual heat (imagine that you can enable the SILENT MODE even

when it was in P5, for example) and then sets all the fans to NO AIR or LOW AIR.

To exit SILENT mode, press the button to return to the mode it was in before the SILENT MODE was activated.

27-START&STOP

START&STOP

The START&STOP function switches o the product when it reaches the required room temperature and if the set temperature hysteresis

is also respected.

Pressing the button activates the START&STOP function directly and the small house near the

temperature turns into the icon to indicate its activation.

Deactivate by simply pressing the button again and the house icon returns to how it was previously.

For additional evidence of activation, ECO ON/OFF appears on

the display for 3” and then returns to the previous display.

When the room temperature reaches the set temperature and all the other parameters are also

respected (see the next paragraph), the equipment switches o and the display indicates the room

temperature, the current time and the STANDBY indication to indicate the standby mode, which

allows the product to turn on again as soon as the temperature drops below the set threshold or if

the intended temperature in the room increases.

The START&STOP is recommended for well insulated environments where even the minimum power causes an

increase in temperature.

On the other hand, it is not recommended where the product is forced to switch on and o frequently (for example

after at least 1 hour of operation) because in this way, besides premature wear of the glow plug, the product

never manages to reach full eciency and temperature, thereby causing greater accumulation of ash or even

condensation.

27-START&STOP

INTERVENTION DELAY AND ADJUSTMENTS OF THE START&STOP TEMPERATURE HYSTERESIS

When the room temperature is reached, there is a waiting time for intervention to prevent the equipment from suddenly turning on/o as

the room temperature drops/rises, for example, when a door or an external window is opened. This waiting time therefore allows you to

be sure that the room temperature has actually dropped for a certain time inside the room (for example 5 minutes).

There also is a temperature threshold beyond which the equipment reacts to in the event of switching on and o and this is called

hysteresis. NEGATIVE hysteresis identies the temperature delta, beyond which the equipment must turn on again; whereas POSITIVE

hysteresis identies the temperature delta beyond which the equipment must turn o.

Example1: With the product switched on, POSITIVE hysteresis is 2°C. The room temperature is 21°C and the set temperature is 22°C. The

product will remain on until the room temperature is exceeded by 2°C and therefore, when T>23.0°C

Example2: With the product o, NEGATIVE hysteresis is 2°C. The room temperature is 19°C and the set temperature is 20°C. The product will

remain o until the set temperature drops 2°C and therefore, when T<18.0°C

FORCED RESTART FROM START&STOP WITH BUTTON OR TEMPERATURE

As previously mentioned, when a shutdown occurs via START&STOP, the display indicates the o condition with the icon, the key

remains green and the word STAND BY is displayed.

The button remains steady green and the keys also remain lit.

In this display condition, the product can be turned back on as follows:

1. Wait for the room temperature to drop below the intended temperature so that the

restart occurs via START&STOP

2. Deactivate the START&STOP with the relative button and proceed with a new start-

up.

3. Change the intended temperature by pressing the keys.

In this case, the temperature modication screen

appears. The equipment will turn on when the

setting is higher than the room temperature + the

POSITIVE hysteresis.

On the other hand, it remains in STAND BY if the

setting is lower than the room temperature +

POSITIVE hysteresis and it is not possible to switch

on the device, even with the text .

GREEN ICON

27-START&STOP

ACTIVATING START&STOP WITH THE EQUIPMENT OFF

If the equipment is OFF the START&STOP needs to be activated, the following occurs when the key is pressed:

• The display changes from OFF to STAND BY,

• the house icon becomes and the key turns steady green

• In any case, the product remains o, however:

o If the previously set temperature is already lower than the room temperature, the product remains o and the on/o key

turns steady green. The stove will eventually turn on again when the room temperature drops or by modifying the

temperature setting, as seen previously, with the keys.

Under no circumstances can the product be switched on again when TSET<ROOM T.

o If the previously set temperature is already higher than the room temperature, the equipment remains o but the green

key will start to ash to alert the user that an additional input is required to allow the product to switch on (on/o key

pressed for 2’’).

ECOSTOP IN CASE OF MANUAL MODE

If the user changes the mode and switches from AUTO/COMFORT/OVERNIGHT to MANUAL, the START&STOP remains active and is indicated

by the green icon next to the room temperature, for it to possibly be used again.

It can only be deactivated with the specic key.

If the user decides to turn o the product manually, the START&STOP remains active and is indicated by the icon, but the shutdown

status will not be STANDBY as AUTO/COMFORT/OVERNIGHT/MANUAL but OFF because the product was last switched o in MANUAL mode.

In this condition it is not possible to access the temperature modication from the turned o display and therefore it is not possible to

restart from the OFF state even though the START&STOP is active. Switch it back on by pressing the key for 2”.

28-CHRONO-SLEEP

CHRONO AND SLEEP OPERATION

Press the key to directly activate the CHRONO or SLEEP function.

The rst time the button is pressed, the following appears: CHRONO OFF

Use the keys to select CHRONO ON

If the Chrono has been activated, the red icon appears on the display so that activation of the function is always evident.

Press the key to disable the CHRONO and access the CHRONO ON screen.

Use the keys to select CHRONO OFF.

The second time the button is pressed the following appears: SLEEP OFF

Unlike CHRONO, the SLEEP mode sets an unplanned switch-o

of the product outside the CHRONO programming

Use the keys to select the time after which you want the product to switch o. You can

choose a time between 10 minutes and 8 hours, with 10 minute intervals.

28-CHRONO-SLEEP

The red icon appears on the display so that the activation of the function is always indicated.

Press the key twice to deactivate SLEEP and turn on the screen with SLEEP and the remaining

time indicated.

Use the keys to bring the count to 00:00, which corresponds to SLEEP OFF (timer at

00:10+, pressing the key once switches to OFF and not to 00:00).

COMBINED CHRONO AND SLEEP ACTIVATION

If the CHRONO and SLEEP modes are both ON, the icon shown is a mix between the two:

28-CHRONO-SLEEP

ACCESS TO CHRONO PROGRAMMING

To access the chrono programming mode from the panel, press and hold the key for 5 seconds.

The screen on the side appears, where it is possible to set:

o The chrono programs for the days of the week

o Temperatures T1 / T2 / T3 / T4

Use the keys to select the menu item and the OK key to enter the daily programming.

Press the ESC key to return to the previous menu.

The menus are all in English and the language cannot be changed due to how the items are displayed.

CHRONO PROGRAMMING

Select SET CHRONO (see image above) to enter the mode for choosing the day to be programmed.

Use the keys to select a menu item and use the SET key to select the item by entering the programming.

Press the OK key to return to the previous menu, conrming the current weekly programming.

The selectable items are:

• MONDAY

• TUESDAY

• WEDNESDAY

• THURSDAY

• FRIDAY

• SATURDAY

• SUNDAY

• COPY PROG. (copy program)

• MODIFY PROG. (modify program)

• DELETE PROG. (delete program)

Select a day (MONDAY) to access the programming of that day, and a summary of the programming

already scheduled for that day is shown. The crown has 48 sectors corresponding to the 24 hours plus

the half hours; it is coloured dierently according to the temperature programming and whether the

chrono is active or not.

In the centre of the crown there is a small key that summarises the colours for the temperatures that

can be set in the dedicated menu (see dedicated chapter)

Use the SET key to enter the programming of a NEW TIME SLOT for MONDAY as indicated at the

centre of the crown.

If, instead, you wish to conrm the programming as shown and return to the day selection menus

(not completely but only by one step), press the OK key.

To edit or delete the existing slots, return to the main menu and select MODIFY PROG. (MODIFY THE

CHRONO PROGRAM).

An example of a crown without a program with all sectors in OFF is shown on the side.

28-CHRONO-SLEEP

TIME SLOT PROGRAMMING

At the start of programming, the rst START eld is coloured red. Use the keys to

adjust the START time of the chrono slot.

Advances are in 30 MINUTE STEPS (00:00 / 00:30 / 01:00…).

Use the SET key to conrm the selected time and move on to the next END setting which in

turn lights up in red. The END adjustment is carried out with and conrmed with

. Then move on to adjusting the desired temperature by setting in this case T1 or T2 or T3 or T4

(T3 and T4 for HYDRO STOVES). The temperature corresponding to T1 or T2 is displayed next to T1

or T2. If instead you wish the stove to be o, select OFF.

T1 or T2 or T3 and T4 cannot be edited on this screen but only from the main screen through SET TEMP.

Continuing with the programming, the mode chosen for that time slot and then ventilation are set.

Please note that ventilation can only be selected when programming the AUTO mode. If the COMFORT or

OVERNIGHT mode is selected at the ventilation eld , dashes - - - will be shown and no modication

can be performed.

After adjusting ventilation (only to AUTO) or the mode, you can cyclically continue editing by repeatedly

pressing the SET key.

To conrm all the programming and exit the screen, press the OK key, a window will appear asking

whether to conrm the time slot (CONFIRM) or to exit without saving (EXIT).

After exiting the screen, you return to the summary screen of the day you are editing (MONDAY) for

potential programming of another time slot.

If you wish to conrm all the programming of the day you are programming, press OK again and you

will return to the menu for selecting the days of the week (MONDAY, TUESDAY, etc.)

28-CHRONO-SLEEP

• When setting a new time slot, this can never be spaced out by just 30 minutes, but at least 1 hour is required

to give the product time to carry out the entire shutdown cycle. By programming a new time slot, there will

therefore be no option to select a time only half an hour after the last shutdown.

• It is instead possible to program two specic time slots (as in the graphic representation) as in this case the

stove will not switch o but it may be that you only wish to change the temperature SET (from T1 to T2 or vice

versa) or the operation (from AUTO to COMFORT for example).

• If you set a new time slot that “invades” an existing one, it is assumed that the user wishes to change both,

therefore the new time slot will partially or completely overwrite the existing one.

•

Example:

EXISTING TIME SLOT:

from 06:00 to 12:00 T1 and AUTO and V3

NEW TIME SLOT BEING ENTERED:

from 04:00 to 09:00 T2 and COMFORT

RESULTING PROGRAMMING:

from 04:00 to 09:00 T2 and COMFORT

from 09:00 to 12:00 T1 and AUTO (V3)

• If you only wish to delete or modify an existing slot, use the dedicated menu described below

• A time slot can never exceed midnight and therefore if you wish continuous night operation, select the END time

00:00 and on the following day set a time slot with a START at 00:00.

28-CHRONO-SLEEP

PROGRAMMING OF A TIME SLOT IN CASE OF AN EXTERNAL THERMOSTAT

If there is an external thermostat active, obviously there is no option to choose a T1 / T2 / T3 / T4 but it is possible to select only ON/OFF.

The main programming screen changes as shown on the side:

The temperature eld displays ON and T.EXT which identies that on that specic

time slot the thermostat requests power.

The day summary screen changes as follows:

PROGRAMMING OF THE WHOLE WEEK OR COPY OF THE PROGRAMS

As explained, it is possible to program each individual day of the week but also to copy an entire daily program to another day. To do

this, select COPY PROG. from the menu.

From this menu select the day you wish to copy and press the SET key. The selected day turns

red and after 1” you access the next menu which asks to which days to make the copy.

Use the key to instead return to the previous menu, actually conrming the state of the art.

Continuing with the example, if you decide to copy the day MONDAY, the abbreviation of the day

you are copying will be indicated in red at the top and under the list of the other days except the

one from which you are copying (MONDAY)

You can select one or more days in which to copy the MONDAY program.

Scroll through the list with the keys and use the SET key to select the days in

which you wish to make the copy. Pressing the key again selects and de-selects the days.

28-CHRONO-SLEEP

When all the days in which to copy the MONDAY program have been chosen, conrm the operation with the OK key.

To highlight the operation performed, the screen on

the left appears for 3” and you will return to the original

screen if you wish to make other copies.

EDITING A DAILY PROGRAM

To edit a daily program, select MODIFY PROG. in the home menu.

The screen used to select the days of the week appears.

ATTENTION! The screen icon is the edit one and not the

one for programming a new slot!!.

Use the SET key to select the day and move to the screen relating to the existing time slots. If

no day is selected, pressing the OK key basically returns to the previous menu without

making any changes.

If instead you access the modication of the time slots as usual with the keys, you

select the program and use the SET key to select the one you wish to modify.

If instead no slot is selected, use the OK key to basically return to the previous menu without

making any changes.

If you wish to modify a time slot, the rst request is whether you wish to DELETE or MODIFY the

time slot through this menu:

If you wish to delete the time slot, you will access this

double conrmation screen and if so, the time slot is

deleted and you return to the previous menu where all

the time slots of the day MONDAY are shown, obviously

without the one just deleted.

28-CHRONO-SLEEP

MODIFYING THE TEMPERATURES T1 / T2 / T3 / T4

To set the temperatures of SET T1 – T2 – T3 – T4 (T3 and T4 only for Hydro stoves) you must enter

the menu SET TEMP. selecting the item with the keys and conrming with the

OK key.

Press the ESC key instead to return to HOME

By accessing the temperature modication menu, the following settings can be viewed.

By pressing the SET key, the rst temperature (T1) becomes RED and the keys can

be used to proceed with the modication in steps of 0.5°C. As usual, a prolonged pressure of the

keys results in temperature variations in higher steps, following the same philosophy

of the temperature changes on the panel.

Pressing the SET key again proceeds with the modication of the second temperature (T2)

which in turn becomes RED. This process continues for all temperatures or until the SET key is

pressed.

To conrm and exit the screen, press the OK key.

PLEASE NOTE In case of an AIR stove, temperatures T3 and T4 either do not appear or they remain unchangeable.

28-CHRONO-SLEEP

CHRONO VARIANT FOR HYDRO STOVES

MANAGEMENT OF T3 AND T4

If T3 and T4 temperatures are selected, the summary display simply changes colour and the key

is updated since it is not possible to set the chrono slot where both the AIR temperatures (T1 and

T2) and the WATER temperatures (T3 and T4) are present simultaneously

When temperatures T3 and T4 are selected in the programming, the representation of the day

will take the colours of T3 and T4

PROGRAMMABLE PARAMETERS IN THE TIME SLOT

With respect to AIR products, there are fewer possible settings which are only START, END and the

water temperature in the puer/boiler.

As there is no option to set modes and ventilation, these parameters disappear.

29 - WI-FI/WPS/BLUETOOTH

ENABLING/DISABLING BLUETOOTH

BLUETOOTH is independent from the WI-FI and is enabled by pressing simultaneously and

continuously for 5 seconds

Pairing is enabled during activation and when you return to the home screen, the icon appears and

ashes waiting for connection with an already registered device.

The Bluetooth connection is not deactivated but is always waiting for a connection (with devices

that are already registered), so that if a paired device is within range at dierent times of the day, it

automatically connects to the product (just like a mobile phone when entering the car).

Press for 5” to disable Bluetooth.

If WIFI has already been enabled, both function simultaneously, otherwise only Bluetooth will be

active.

BLUETOOTH AND WI-FI DISPLAY

Bluetooth only is ON and waiting for a connection with

devices that are already registered

Bluetooth only is ON and connected (blue icon)

WI FI is ON and connected and Bluetooth is waiting for a

connection with devices that are already registered

WI FI is ON and connected and Bluetooth is connected (blue

icon)

FIRST BLUETOOTH CONNECTION

As is the norm for Bluetooth connections, search for the Bluetooth network of the equipment on the device (smartphone), indicated on

the product label.

29 - WI-FI/WPS/BLUETOOTH

ENABLING/DISABLING WI-FI and WPS

By default, the product has Bluetooth network enabled and Wi-Fi active but not connected: this means that Wi-Fi is not visible until the

product is connected to a Wi-Fi/home network.

WI-FI MENU:

Open the specic menu on the panel by simultaneously pressing the keys.

Depending on the connection status, you can select:

• “OFF”: when Wi-Fi is connected to a home network that has already been set up and can be switched o by interrupting the product’s

connection to the network.

• “ON”: when Wi-Fi has already been switched o and switches back on trying to connect to the previous network used for the

connection. It is only visible and selectable if it is not connected to a network.

• “WPS”: when Wi-Fi has never been connected to any network or it has been reset, then the procedure can be activated to connect

the product.

• “RESET”: regardless of the Wi-Fi status, this disconnects the product from the network and/or deletes the saved network if present.

When the intended option is selected on the menu, the chosen option appears in full screen for 3” and then returns to the display prior to

the keys being pressed.

The selection menu has a timeout of 60”. If no selection or conrmation is made with the ON/OFF key, everything remains unchanged as

at the moment prior to pressing .

When Wi-Fi is active and connected to a router or similar, the symbol remains indicated inside the crown.

The symbol also indicates the strength of the Wi-Fi signal by removing or adding lines to the symbol to indicate a change in signal

strength, according to this diagram:

LOW POWER MEDIUM POWER MAXIMUM

POWER

APP CONNECTED TO THE

NETWORK BUT NOT TO

THE STOVE

There are two ways to connect the product to the Wi-Fi network:

• WPS function

• With the APP (Android or IOS) via Bluetooth connection

WPS CONNECTION

Open the specic menu on the control panel by simultaneously pressing the keys and select “WPS” (the menu can be opened

with the product on or o).

When WPS is activated, the icon turns red and always ashes for the expected connection duration (2 minutes).

If the procedure is successful, the symbol remains steady, otherwise after the WPS timeout, the symbol disappears.

CONNECTION BY APP (ANDROID OR IOS) VIA BLUETOOTH CONNECTION

To connect to a home network, rst ensure that the Bluetooth connection is on.

When the APP starts up the rst Bluetooth connection screen appears, press the “+” box to add a new device.

MCZ_EP_123456

29 - WI-FI/WPS/BLUETOOTH

The APP will search for available devices close by. It is possible that not only the Bluetooth network of the stove is found, but also that

of other appliances; the stove is uniquely identied by the name MCZ_EP_123456, where the last 6 numbers are the last 6 digits of the

stove’s serial number which can be found on the appliance’s label or in the instruction leaet.

When the product is connected via BLUETOOTH, the APP will display a list of available home networks whose login details must be entered.

Once the network has been selected, the data of the stove being connected are given. Pressing the NEXT key starts the network connection

procedure which identies all the steps that have been successful or have failed.

If the whole procedure is correct, press the NEXT key to start interacting remotely with the appliance via Wi-Fi.

30-SHUTDOWN

SHUTDOWN (in various states)

Just like switch-on, press and hold for 2” and the display will switch to OFF/stand-by mode.

OFF display.

• Room temperature

• Current time

• OFF

• The icon is only present if the product is connected to a router; otherwise it is o and the icon is present if Bluetooth has

been enabled.

• The only lit key is

• In the shutdown state, the key changes colour according to the shutdown stage:

• FLASHING Red: First shutdown stage.

• FLASHING blue: Cooling stage and the icon appears on the display and the button ashes blue. If the equipment has

a self-cleaning brazier, the brazier cleaning icon appears during the cooling stage

• STEADY white: Cold product in stand by and OFF appears on the display

• STEADY green: Product OFF from START&STOP and waiting for input.

RED ICON BLUE ICON BLUE ICON WHITE ICON

SHUTDOWN BRAZIER SCRAPING (MATIC

STOVES)

COOLING OFF

GREEN ICON RED ICON

OFF BY ECOSTOP OFF BY ALARM

31-EXTRA DISPLAYS

FEED SCREW AUTOMATIC RELEASE

If the ON-OFF key turns yellow during operation, it means that the feed screw is performing a rotation cycle in the

reverse direction to release some pellets in it.

The cycle is automatic and there is no need for user intervention.

YELLOW ICON

FORCED COOLING

A compulsory 30-minute cooling cycle takes place when the product works continuously for many

hours (e.g. 6 hours) at maximum power (not recommended based on the warnings in Chapter 1 of

“PART 1” of the manual). When this happens, the display shows that shown on the side.

During this period the product still guarantees moderate heating

eciency (equal to power 3) but it is not possible to intervene

in any way to disable it, except by switching the product o by

pressing the key for 2” as usual

STAND BY DISPLAY

31-EXTRA DISPLAYS

MANAGING OTHER NOTIFICATION ICONS

The following are other notication icons that must appear on the panel:

The pellet reserve icon appears if the specic sensor (optional) is

installed. The symbol appears inside the crown when the pellet

level drops below the sensor: grey during operation and red in

OFF or STAND BY for START&STOP

The icon does not appear during shutdown and cooling

If the panel is in STANDBY, the reserve icon is displayed alternately

with the icon that indicates the operating mode (or SILENT MODE)

with an interval of 10 seconds each.

The red icon indicates that the maximum number of

working hours has elapsed, beyond which unscheduled

maintenance is required (e.g. 2000 working hours).

It appears in the STAND-BY and OFF screen (PRODUCT OFF or OFF

FOR START&STOP)

The icon does not appear during shutdown and cooling

Self-cleaning brazier cleaning

The icon appears after the shutdown and before the cooling stage

in the case of products equipped with a self-cleaning brazier.

The icon appears throughout the brazier handling cycle.

31-EXTRA DISPLAYS

COOLING ICON

Display in COOLING status after shutdown.

FORCED COOLING ICON

FORCED COOLING STAND BY display. Exceeding the maximum

hours of operation at maximum power (e.g.: 6 hours).

CHRONO and SLEEP

Example of the CHRONO/SLEEP icon display when OFF and of the

CHRONO with STAND BY display and product ON. The icons are red.

SILENT MODE

SILENT MODE STAND BY display

Example of displaying several icons in OFF or STAND BY for

START&STOP.

In this case, the icons are all red

32-USER MENU

USER MENU

Pressing the button continuously for 5” grants access to a user menu scrolled with the buttons.

The exit TIME OUT from this screen is 2 minutes, unless you forcibly exit with .

The selection box indicates the item you are selecting and moves with .

Press to select the menu item

To exit and NOT conrm the choices .

The user menu has the following items:

• INFO = Display of the most important operating parameters

• DATE = Date and time setting

• ΔT START&STOP= POSITIVE and NEGATIVE hysteresis setting for START&STOP operation

• TONE:

o SILENT: light BEEP only upon conrmation of commands

o NORMAL: BEEP only audible upon conrmation of commands (FACTORY SETTING)

o HIGH: BEEP audible every time the button is pressed

• ADAPTIVE MODE = ON/OFF (default OFF)

• BRIGHTNESS = option to adjust the display contrast

• DISPLAY SET = option to adjust the centring of the display

• STANDBY DISPLAY = It is used to adjust the time after which the display goes into Stand by (see the previous paragraph). Adjustment

in seconds with a prolonged press of the keys in 5” steps (default is 120”). Limit is 600” (10 minutes). Pressing the key again after 600”

brings the stand by to OFF, i.e. the standby screen never appears when ON

• CLEAN GRATE (only MATIC and HYDRO products)

• T. EXT: It is used to enable or deactivate an external thermostat.

32-USER MENU

CONTROLS

DISPLAY CONTROLS

INFO

LIVE SET

2142 2100

745 750

181 180

183° 47,5°

9999h A

ACTIVE

Read-only

Key or to exit (+beep)

The TIME OUT of this screen is 2 minutes

DATE Once you have entered the menu, the day turns red to indicate where the adjustment of

the values begins. The buttons and are lit, indicating which keys are

enabled for adjustments whereas the others are disabled.

Use the keys to choose the day and to conrm and move on to the month

setting, which in turn turns red. Use the same method to then set the current year.

Pressing the key again moves on to setting the time. The hours turn red.

Adjust the hours with and conrm with and move on to set the minutes.

The same procedure applies to set the minutes.

When the key is pressed to conrm the minutes, all the characters become grey again;

wait 3” to have a general view of the adjustments made and exit the menu and return to

the display shown before accessing the menu.

The date and time can both be adjusted with the product ON and OFF (or when rst

started up).

ΔT START&STOP (POSITIVE AND NEGATIVE HYSTERESIS)

• to change the values

•Theavailablevaluesfrom+5to-5

• to conrm and return to the previous page

(+beep)

• to exit without conrming (+beep)

32-USER MENU

TONE

• to change the values

•Availablevalues–SILENT/NORMAL/HIGH

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

NORMAL is the factory setting

ADAPTIVE MODE • to change the values

•Theavailablevalues-ONandOFF

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

BRIGHTNESS

• to change the values

•Theavailablevalues-3-2-10+1+2+3

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

DISPLAY SET • to change the values

•Theavailablevalues-3-2-10+1+2+3

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

32-USER MENU

STANDBY DISPLAY • to change the values

•Theavailablevaluesfrom0to600”.Thenextstepafter600”isOFF,whichmeansthatthe

display NEVER goes into standby.

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

CLEAN GRATE (only MATIC and HYDRO) • to change the values

• The available values -ON-OFF

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

EXTERNAL THERMOSTAT • to change the values

• The available values -ON-OFF

• to conrm and return to the previous page (+beep)

• to exit without conrming (+beep)

32-USER MENU

EXTERNAL THERMOSTAT

If an external thermostat is connected, it is no longer possible to indicate the room temperature recorded by the local probe and adjust

the intended temperature from the panel.

The display will therefore be shown in AUTO/COMFORT/OVERNIGHT mode:

ON indicates that the thermostat contact is CLOSED and there is

a power demand.

Therefore the product will run at maximum power until the

temperature is reached and then it will reduce its operation to

minimum.

OFF indicates that the thermostat contact is OPEN and there is NO

power demand.

Therefore the stove will run at minimum until the temperature

drops below the temperature set on the external thermostat.

ON indicates that the thermostat contact is CLOSED and there is

a power demand and therefore the stove will run at maximum

power until the temperature is reached and it will then turn o

according to the START&STOP logics.

In this case, since the temperature hysteresis cannot be managed

(managed by the external thermostat), the reaction times for

restarting or switching o from START&STOP are only linked to the

INPUT/OUTPUT delays from the status (see Chap. START&STOP).

OFF indicates that the thermostat contact is OPEN and there is

NO power demand and therefore the stove will run at minimum

power until the START&STOP INPUT time is satised.

In this case, since the temperature hysteresis cannot be managed

(managed by the external thermostat), the reaction times for

restarting or switching o from START&STOP are only linked to the

INPUT/OUTPUT delays from the status (see Chap. START&STOP).

START&STOP).

910

33-PELLET LEVEL SENSOR

ASSEMBLING PELLET LEVEL SENSOR (optional)

The pellet sensor is a low fuel indicator that warns the

user that the pellets are nishing.

With the hopper empty, lift the pellet loading cover and

manually remove the cap “J” tted inside, then insert the

pellet level sensor “K” from inside the hopper.

The sensor is locked to the tank by externally mounting

the seal “s” and rmly securing it with the ring nut “t”.

The sensor must then be connected to position 15 on the

circuit board with the cable supplied.

910

34-EXTERNAL THERMOSTAT

EXTERNAL THERMOSTAT CONNECTION (OPTIONAL)

To connect the external thermostat, disconnect the room probe from the terminal in position 11 of the circuit board and connect the wiring

of the external thermometer.

35-SAFETY DEVICES

SAFETY DEVICES

The product is tted with the following safety devices.

SMOKE TEMPERATURE PROBE

This detects the temperature of the smoke, thereby enabling starting or stopping the product when the smoke temperature drops below

the preset value.

PELLET HOPPER TEMPERATURE PROBE

If the temperature exceeds the preset safety value, it immediately stops the product, which must cool down before the stove is restarted.

ELECTRICAL SAFETY

The product is protected against power surges by a general fuse located in the power panel on the back. Other fuses that protect the circuit

boards are located on the said boards.

SMOKE FAN BREAKAGE

If the fan stops, the circuit board promptly blocks the supply of pellets and the alarm is displayed.

GEAR MOTOR BREAKAGE

If the gear motor stops, the product switches o and the relative alarm is displayed.

TEMPORARY POWER CUT

If a power cut occurs during operation, the product automatically sets itself in cooling mode when the power is restored and then it

restarts.

FAILED IGNITION

If no ame lights during start-up, the product will go into alarm conditions.

IT IS FORBIDDEN TO TAMPER WITH THE SAFETY DEVICES.

It is possible to restart the product and therefore restore the automatic operation of the probe only after having eliminated the cause that

triggered the safety system. This manual will help you understand which anomaly has occurred, and explain how to intervene according

to the alarm message displayed on the appliance.

36-ALARMS

ALARMS

In the event of an alarm, the crown turns red for “attention”.

The symbol and the alarm code appear.

The button turns red and ashes very fast

All other keys are disabled.

PLEASE NOTE Press the button for at least 3” to reset the alarm.

36-ALARMS

ALARM SIGNALLING

If an operating anomaly occurs the stove starts switching o due to the alarm.

The following table describes the possible alarms indicated by the stove, associated to the respective code that appears on the emergency

panel and helpful tips to solve the problem.

MESSAGE ON DISPLAY TYPE OF PROBLEM SOLUTION

A01

FAILED IGNITION

The ame does not ignite Check the level of pellets in the hopper.

Check that the brazier is correctly positioned in its seat

and has no deposits or unburnt material.

Make sure the glow plug warms up.

Carefully empty and clean the brazier before restarting.

A02

NO FLAME

The re goes out abnormally Check the level of pellets in the hopper.

Check that the brazier rests correctly in its seat and has no

visible deposits of unburnt pellets.

A03

PELLET SAFETY

The temperature of the pellet hopper

exceeds the required safety threshold.

The structure overheats due to reduced

heat dissipation.

The structure is too hot because the product has been

used for too long at the maximum power or there is poor

ventilation. When the stove is cold enough, press the

button for at least 3" to reset the alarm. Once the alarm is

cleared, the product can be switched on normally.

A04

SMOKE OVERTEMPERA

TURE

The temperature of the exhaust smoke has

exceeded certain preset safety limits.

The stove switches o automatically. Let the stove cool

down for a few minutes and then switch it on again.

Check the smoke expulsion and verify the type of pellets

used according to the instructions found in Chap. 2 of this

manual.

A05

OBSTRUCTION

Flue clogged - wind. Check the smoke duct and make sure the door is closed.

The smoke extractor fails to guarantee

sucient primary air, required for correct

combustion.

Draught diculties or clogged brazier.

Check whether the brazier is clogged and clean it, if

necessary.

Check, and if necessary clean, the smoke duct and the air

inlet.

A08

FUMES MOTOR FAULT

Abnormal operation of smoke fan Check cleanliness of the smoke fan compartment and

check whether dirt is blocking it. If this is not enough, the

smoke fan is faulty. Contact an authorised service centre

to have it replaced.

A09

THERMOCOUPLE FAULT

The smoke probe is faulty and does not

detect the exhaust smoke temperature

properly.

Contact an authorised service centre to have the

component replaced.

A11

FEED SCREW FAULT

Pellet supply fault Contact an authorised service centre to have the

component replaced.

36-ALARMS

A12

GEAR MOTOR SENSOR

FAULT

Faulty gear motor driving sensor (PWM) Contact an authorised service centre.

A13

BOARD TEMPERATURE

FAULT

Electronic control unit overheating The structure is too hot because the product has been

used for too long at the maximum power or there is poor

ventilation. When the stove is cold enough, press the

button for at least 3" to reset the alarm. Once the alarm is

cleared, the product can be switched on normally.

A14

ACTIVE SENSOR FAULT

Faulty air ow rate sensor This alarm blocks the stove and can be reset from the

App. If the sensor is faulty, the alarm appears once

again. Contact an authorised service centre to have the

component replaced.

A17

FEED SCREW LOCKED

ALARM

Blocked feed screw due to clogged pellets

or a foreign body

The feed screw is not unblocked even after the feed screw

unblocking procedure indicated by the software has been

carried out (rotating the gear motor in both directions).

Try to remove the pellets and/or foreign body with an

extractor or call an authorised service centre to perform

this operation.

A21

PRESSURE SWITCH

Stove door open Close the door

Fuel loading hatch open Close the hatch.

Lower the fuel level in the hopper.

Air pressure switch Draught diculties or clogged brazier.

Check whether the brazier is clogged by deposits and

clean it, if necessary.

Check and if necessary clean the smoke duct and air inlet.

A22

ROOM PROBE FAILURE

Room probe anomaly Contact an authorised service centre to have the

component replaced.

POPUP Disconnected Wi-Fi probe Make sure the device has charged batteries

Replace the batteries and restart the device connection

procedure

POPUP Alarms From the App, it is possible to receive a message

regarding the alarms that cannot be reset from the App,

such as A01, A02, A03, A05, A21, but which can only be

reset from the stove’s panel. After resetting the alarm

from the panel, reset the message from the App.

36-ALARMS

Mechanical stove block

The following conditions may cause the mechanical stove block:

• Structure overheating (“A03”)

• Smoke overheating (“A04”)

• During stove operation air entered the combustion chamber or there is an obstruction in the ue (“A05”)

Only alarm A21 emits an intermittent beep as long as the alarm is active. In this situation, the automatic shut-down sequence is activated.

When this sequence is initiated, any attempt to restart the system will be ineective. The display signals the cause of the blockage.

SOLUTIONS:

If “A03” appears: the structure is too hot because the product has been used for too long at the maximum power or there is poor ventilation.

When the stove cools down suciently, clear alarm A03 on the stove panel. Once the alarm is cleared, the product can be switched on

normally.

If “A04” appears: The stove switches o automatically. Let the stove cool down for a few minutes and then switch it on again. Check the

smoke expulsion and verify the type of pellets used according to the instructions found in the specic chapter of the manual.

If “A05” appears: the door has been left open for too long or a signicant amount of air has entered (e.g. missing smoke fan inspection

cap). If these causes are excluded, check and if necessary clean the smoke duct and ue (it is recommended for this operation to be carried

out by an MCZ qualied technician).

The product can be switched on again only after having eliminated the cause permanently.

36-ALARMS

If alarm A21 is triggered often, please note that:

A21

PRESSURE

SWITCH

Stove door open Close the door

Fuel loading hatch open Close the hatch.

Lower the fuel level in the hopper.

Air pressure switch Draught diculties or clogged brazier.

Check whether the brazier is clogged by deposits and clean it, if

necessary.

Check and if necessary clean the smoke duct and air inlet.

it is required to check some points to verify the cause of the problem and potentially operate on some adjustments and/or safety devices

to restore correct operation of the product.

However please note that all adjustments and alterations aecting the operational safety devices, must only be performed if THE

PRODUCT IS INSTALLED IN COMPLIANCE WITH THE STANDARDS AND LAWS IN FORCE AND IF IT IS SERVICED PROPERLY BY AUTHORISED AND

SPECIALISED PERSONNEL. Alterations performed randomly, to ensure operation of the product even under non-compliant conditions, can

cause serious damage to property and injuries to people.

Attention!

The adjustments must only be carried out by authorised and qualied personnel under their responsibility and

by checking the conformity of the installation beforehand. The manufacturer declines all liability for damage to

property or injuries to people if the safety devices are altered.

All liability for improper use of the product is entirely borne by the user and relieves the manufacturer from any civil

and criminal liability.

Series of stoves equipped with a pressure switch installed on the hopper with the sampling point positioned on the bottom, to the right of

the gear motor. This system protects the whole system ensuring airtightness of the stove throughout its duration.

It is important to understand that the pressure switch can be triggered with each signicant drop in negative pressure and may be due to:

• Flue clogging.

• The presence of a foreign body in the ue (birds, nests, clogged grilles, etc.).

• Wind coming through the ue because it is unprotected or the installation was wall-mounted or required no ue.

• Cold air draught down the ue.

• A damaged pressure switch.

• Blocked membrane inside the pressure switch because soot or pellet dust got in.

• The pellet hopper is open or ajar for more than 60 seconds (60 seconds is the estimated time to reload the hopper).

• Pellets trapped between the hopper cover and the hopper, which prevents the gasket from sealing.

• Broken/worn hopper cover gasket.

• The gasket between the feed screw and the boiler is damaged or positioned incorrectly.

• Fire door is open or the gasket is worn.

• Clogged lateral smoke exchangers.

• Inspection caps with gaskets installed incorrectly after maintenance.

• Feed screw clogged by compressed pellets at the top.

• The installation is compliant and the ue/smoke tting does not generate obvious obstructions which can stop the release of smoke,

such as: long horizontal sections (over 3 metres), uninsulated smoke ducts, “wall-mounted” smoke exhaust without proper terminals

(installation regulated and permitted in France only [ZONE 3])

• Internal air extraction or recirculation systems (e.g. VMC systems) that generate internal negative pressure exceeding the value

required by law (not exceeding 4 Pa)

• Installed without combustion air ducting, it is crucial to check that there is an ecient air inlet dedicated to the stove, according to

the specications referred to in chapter 2 of this manual.

The circuit board has also been equipped with an automatic device with a timer and contactors which increase the RPM of the smoke

extractor so as to restore the negative pressure inside the hopper and therefore the pressure switch, if the cover is opened for top-up or if

there is an immediate or occasional pressure drop such as gusts of wind outside. If the pressure drop lasts for more than 60 seconds, the

product goes into alarm status (A05 or A18)

36-ALARMS

Remembering that the draught recommended for the products to work properly is 10 Pa at maximum capacity and 5 Pa at minimum

(according to the technical data sheet found in the user and maintenance manual), adjustments may be required in worse draught

conditions (also due to the position of the ue in areas that are particularly subject to adverse weather such as prevailing winds, snow,

northern exposure, etc.) so as to always guarantee the required negative pressure inside the hopper.

To compensate for the lack of internal negative pressure simply adjust the speed (RPM) of the smoke extractor so as to guarantee the

minimum values of the table.

If the negative internal pressure values are noted to be lower than those indicated, this can also be due to the internal gaskets not being

sealed properly or to the product being worn over time.

OPERATING INSTRUCTIONS ON NEGATIVE PRESSURE INSPECTIONS AND POSSIBLE VARIATIONS OF THE RPM

Connect a pressure gauge to the pressure outlet on the hopper:

• For products with a specic pressure outlet in the hopper, access the sampling point and connect the pressure gauge

• For products without a dedicated pressure outlet, disconnect the tube of the pressure switch from the pressure outlet on the hopper,

add a Tee tting on the tube to intercept the circuit connecting the pressure gauge and reconnect the tube to the pressure outlet on

the hopper.

Possible adjustments of combustion and consequently of the negative pressure inside the hopper can be implemented in two ways:

A) Changing the RPM value of the smoke extractor in the SETTINGS MENU

• The available values are from -3 to +3 which, as a percentage, correspond to:

• RPM: -10% +10% in Active System products

• RPM: -30% +50% in NON-Active System products

• The percentage variation aects all power values (1 to 5) proportionally and as a percentage. The percentage variation does not aect

intermediate operating stages such as SWITCH ON, FIRE ON or SWITCH OFF

• As the RPM increases, suction also increases and consequently the internal negative pressure, thereby compensating the phenomena

that trigger the alarm.

B) Adjusting the RPM of the gear motor manually in the TECHNICAL PARAMETERS MENU

• The pressure switch has a calibration of 10/20 Pa which means that it trips when the negative pressure inside the hopper drops below

10 Pa and requires more than 20 Pa negative pressure inside the hopper for it to reset

• The negative pressure value at the minimum power must always be higher than 10 Pa while also maintaining a reasonable margin

that can worsen over time due to the gaskets or similar being worn (at least 12/13 Pa)

• The negative pressure at maximum power must always be above 20 so that the pressure switch can reset when the pressure switch

resetting the automated device is activated. The pressure switch resetting procedure (such as after opening the cover to top-up

the hopper), requires the electronics to push the RPM of the smoke extraction fan up to POWER 5 (P5) for a few moments. At P5,

therefore, the negative pressure inside the hopper must always be > 20 Pa (recommended 22/23 Pa to preserve the margin).

• PLEASE NOTE = The TECHNICAL PARAMETERS menus are password-protected to prevent the user from accessing them

inadvertently and are not visible in the user menus.

Attention! The factory setting on the product is designed to obtain the certied technical data. With a data

discrepancy (such as the pellet recipe), the settings may be modied as explained above.

The adjustments must only be carried out by authorised and qualied personnel under their responsibility and by

checking the conformity of the installation beforehand.

36-ALARMS

NEGATIVE PRESSURE INSIDE THE HOPPER WITH FACTORY-SET PARAMETERS AND A DRAUGHT OF 5 Pa (MINIMUM

RECOMMENDED)

POWER P1 P2 P3 P4 P5 VALUES

6 kW 13.7/14.2 Pa 15.1/15.6 Pa 17.1/17.5 Pa 19.1/19.5 Pa 22.0/22.2 Pa Draught

95°C 110°C 125°C 141°C 165°C Smoke temperature

8 kW 13.8/14.3 Pa 15.6/16.1 Pa 17.8/18.0 Pa 21.7/22.2 Pa 26.1/26.6 Pa Draught

104°C 119°C 145°C 148°C 184°C Smoke temperature

10 kW 15.9/16.3 Pa 20.4/20.9 Pa 25.8/26.3 Pa 31.8/32.3 Pa 36.5/37.0 Pa Draught

108°C °C 150°C °C 230°C Smoke temperature

12 kW 16.5/17.3 Pa 20.4/20.9 Pa 25.8/26.3 Pa 31.8/32.3 Pa 36.5/37.1 Pa Draught

118°C 127°C 155°C 172°C 195°C Smoke temperature

14 kW 17.6/18.0 Pa 19.8/20.4 Pa 23.1/23.7 Pa 28.9/29.6 Pa 37.8/38.2 Pa Draught

118°C 131°C 161°C 187°C 210°C Smoke temperature

PLEASE NOTE The indicated negative pressure readings may dier by ±1Pa based on smoke temperature. Likewise, smoke temperature

may dier by ±10°C based on fuel quality or appliance cleanliness.

Changing the smoke fan speed

In order to further improve combustion in critical conditions, you can change the percentage of the parameters for the minimum amount

of incoming combustion air. These changes can be performed upwards in the event of serious diculties in evacuating smoke and/or air

extraction or downwards in the event of excessive draught of the ue.

Refer to AIR RECIPE modication instructions.

AVAILABLE VALUES

-2 -10%

-1 -5%

0 0% (default value)

+1 + 5%

+2 +10%

37-RECOMMENDATIONS FOR SAFE USE

ONLY CORRECT INSTALLATION AND APPROPRIATE MAINTENANCE AND CLEANING OF THE APPLIANCE CAN GUARANTEE

CORRECT OPERATION AND SAFE USE OF THE PRODUCT.

We would like to inform you that we are aware of cases of malfunctioning of domestic pellet-fuelled heating products, mainly due to

incorrect installation and use, as well as inadequate maintenance.

We would like to assure you that all of our products are extremely safe and certied according to European standards of reference. The

ignition system has been tested with the utmost attention to enhance ignition eciency and to prevent any type of problem, even in the

worst operating conditions. In any case, as with any other pellet-fuelled product, our appliances must be installed correctly and undergo

regular periodical cleaning and maintenance to guarantee safe operation. Our studies show us that malfunctioning is mainly due to the

combination of part or all of the following factors:

• Brazier holes obstructed or brazier deformed, due to lack of maintenance and conditions which can cause delayed ignition,

generating an anomalous production of unburnt gases.

• Insucient combustion air due to a reduced or clogged air inlet duct.

• Use of smoke ducts nonconforming to regulatory installation requirements, failing to guarantee an adequate draught.

• Partially clogged chimney, due to lack of maintenance, reducing the draught and making ignition dicult.

• End chimneypot not conforming to the indications of the instruction manual, and therefore not suitable to prevent potential inverse

draught.

• This factor is crucial when the product is installed in especially windy areas, such as coastal regions.

The combination of one or more of these factors may generate severe malfunctioning conditions.

To keep this from occurring, it is crucial to guarantee that the product is installed in compliance with standards in force.

Furthermore it is of the utmost importance to comply with the following simple rules:

• Every time the brazier is removed for cleaning, it must always be put back properly in the work position before using the product,

completely removing any residual dirt left on the support base

• Pellets must never be loaded in the brazier manually, neither before ignition or during operation.

• The build-up of unburnt pellets following failed ignition must be removed before repeating ignition. Also check that the combustion

air inlet/smoke outlet is tted correctly in place and working properly.

• If ignition fails repeatedly, immediately suspend use of the product and contact a qualied technician to check its operation.

Compliance with these indications is absolutely sucient to ensure proper operation and to avoid any type of problems with the product.

If the aforementioned precautions are not taken, and during ignition the brazier is overloaded with pellets thus generating anomalous

smoke in the combustion chamber, carefully follow the indications below:

• Do not disconnect the electrical power to the product for any reason whatsoever: this would stop the smoke extractor, releasing

smoke into the room.

• Take the precaution of opening the windows to ventilate the installation room from any smoke (the chimney might not be working

properly)

• Do not open the re door: this would compromise regular operation of the smoke extraction system to the chimney.

• Simply switch the stove o by operating on the on-o button on the control panel (not the rear power supply socket button!) and

move away until the smoke has been completely extracted.

• Before attempting re-ignition, clean the brazier and its air passage holes completely of all deposits and unburnt pellets. Put the

brazier back in place, removing any residue from its support base. If ignition fails repeatedly, immediately suspend use of the

product and contact a qualied technician to check its operation and the chimney.

38-CLEANING

Only by properly servicing and cleaning the product is it possible to ensure its safety and correct operation.

ATTENTION!

All the cleaning operations of all parts must be performed with the product completely cold and unplugged.

Disconnect the product from the 230V power supply before performing any maintenance operation

The product requires little maintenance if used with certied good quality pellets.

DAILY OR WEEKLY CLEANING PERFORMED BY THE USER

Brazier cleaning

Before ignition, always clean the brazier “T” and remove any ash or deposits from it that might obstruct the air ow holes, paying attention

to hot ash. In the case of ignition failure, or if fuel in the hopper runs out, unburnt pellets may accumulate in the brazier. Always empty the

residue in the brazier before each start-up. Only if ash is completely cold may a vacuum cleaner be used to remove it. In this case, use

a suitable vacuum cleaner to remove small sized particles.

EXAMPLE OF A CLEAN BRAZIER EXAMPLE OF A DIRTY BRAZIER

38-CLEANING

REMEMBER THAT ONLY A CORRECTLY POSITIONED AND CLEAN BRAZIER CAN GUARANTEE SAFE IGNITION AND

OPTIMAL OPERATION OF YOUR PELLET PRODUCT. IN CASE OF FAILED IGNITION AND AFTER ANY OTHER BLOCK STATE

OF THE PRODUCT, IT IS ESSENTIAL TO EMPTY THE BRAZIER BEFORE EVERY RESTART

For the brazier to be cleaned properly, remove it from its housing completely and thoroughly clean all the holes and the grate on the

bottom. If high quality pellets are used, you will normally only need to use a brush to restore the optimal operating conditions of the

component.

Cleaning the ash collection compartment

To clean the ash box, lift the grid “g” simply by turning it until it rests against the stove rebox. Wipe away any residual ash before

lowering the grid “g”. The quality of the pellets used and user experience will determine the required cleaning frequency. However, it is

recommended not to exceed 2 or 3 days.

After removing and emptying the ash pan “P”

also clean the lower part of the compartment

(see the arrow image below).

Attention! When cleaning is completed,

remember to place back the ash pan “P”,

close again all doors, insert the brazier and

the grid “g”.

38-CLEANING

PERIODIC MAINTENANCE OF BOTTOM EXCHANGER COMPARTMENT

Given the high output of this product and the related fuel consumption, we recommend periodically inspecting this compartment to

remove any residual ashes with a normal ash vacuum. This cleaning activity needs to be carried out approximately every 90 days or every

500 hours of stove use (the hour meter can be checked in the INFO menu of the display or via the Smartphone APP).

Open the lower door to access the ash collection compartment.

ATTENTION!

All the cleaning operations of all parts must be performed with the product completely cold and the plug

disconnected.

Disconnect the product from the 230V power supply before performing any maintenance operation

• For the metal cladding, open the lower door “S” on the side

• For the stone cladding, open lower door “S” from top to bottom

To clean, proceed as described in the following pages.

METAL CLADDING STONE CLADDING

38-CLEANING

CLEANING THE GLASS

It is recommended to clean the ceramic glass with a dry brush, or if it is very dirty, spray with a little specic detergent and clean with a

cloth.

ATTENTION!

Do not use abrasive products and do not spray the glass cleaning product on the painted parts and on the door

gaskets (ceramic bre cord).

CLEANING THE STOVE CLADDING

Below are a few indications to clean the metal cladding of the stove:

• use only water, if necessary with the addition of neutral detergents (pH7) and characterised by light additives.

• use only water on a cloth. There are electrical parts that could be damaged.

• use soft, non-abrasive cloths. Do not rub the surfaces.

• do not use solvents, abrasive or scratching agents. Do not use prepared compounds for cleaning paints as they could be aggressive.

CLEANING THE AIR FILTER

A wire mesh air lter is found at the back of the stove (for the models tted with it), whose purpose is to prevent dirt entering the motor

body and the internal sensor.

It is recommended to check that the lter is clean every 15/20 days. If needed remove u or the material that has deposited on it.

Inspection and cleaning are required more frequently if there are pets in the house.

Simply remove the lter to clean. To clean it use a brush or a damp cloth or compressed air. Set it back in place by simply pressing it

(interlocks).

The lter is made of metallic mesh and is soft and exible to the touch therefore, when cleaning, be careful not to

crush or damage it. In the event of breakage it must be replaced.

ATTENTION!

Never let the stove work without the air lter tted. MCZ cannot be held liable for any damage caused to the internal

components if this requirement is not complied with.

nyo

38-CLEANING

PERIODIC CLEANING PERFORMED BY A QUALIFIED TECHNICIAN

CLEANING THE HEAT EXCHANGER AND THE LOWER COMPARTMENT

Half-way through the winter season, but especially at the end, the compartment through which the exhaust smoke passes will need

to be cleaned.

This cleaning process is mandatory in order to facilitate the general removal of all combustion residue, before it becomes very dicult to

remove it due to moisture compacting it over time.

ATTENTION:

Cleaning is mandatory to be performed at the end of the season by an authorised and skilled technician so that even

the seals can be replaced.

CLEANING THE LOWER COMPARTMENT

To remove ash from the lower compartment open the stove lower door “S” as explained previously. Lower door “M” by turning the handle

and pulling downwards.

Now loosen the four screws “y”, remove the plate “n” and the gasket “o”. Use the nozzle of a vacuum cleaner to remove any ash and soot

that may have built up in the lower exchanger (smoke extractor) indicated by the arrow.

Before putting the cap “n” back, it is recommended

to change the gasket “o”.

After removing and emptying the ash pan “P” also

clean the lower part of the compartment.

38-CLEANING

CLEANING THE EXCHANGER

CLEANING THE UPPER COMPARTMENT

Clean the upper exchanger when the stove is cold and without the cladding in question. After removing the cap to clean the lower

compartment “n” (see previous paragraph), use a sti rod or a bottle brush to scrape the walls of the rebox (see arrow) to make the ash

fall into the lower compartment.

Then remove the upper calorite plate “J”, to do this open the rebox door, hold the top of the calorite plate “J” and lift it upwards, tilt it to

the right or to the left in order to release it from the supports and remove it.

38-CLEANING

Lift the “T” cast irons slightly and tilt them towards you to take them out of their place and remove them. Then remove the two side caps

“S”. Remove caps “S” by lifting them out of the slots.

38-CLEANING

Use a exible brush to scrape the walls of the rebox (see arrow - respectively to the right and to the left of the rebox) where the recently

removed plates “S” were, to make the ash fall into the lower compartment.

Remove any fallen ash from the lower compartment and reassemble all parts of the stove in reverse order.

38-CLEANING

CLEANING THE SMOKE EXPULSION SYSTEM AND GENERAL CHECKS

Clean the smoke outlet system, especially around the Tee ttings, elbows and any horizontal sections of the smoke duct.

For information on periodically cleaning the ue, contact a skilled chimney sweep.

Check the seal of the ceramic bre gaskets on the door of the stove. If necessary, order new replacement gaskets from the retailer or

contact an authorised service centre to carry out the operation.

ATTENTION:

The frequency with which the smoke outlet system is cleaned depends on the use of the stove and the type of

installation.

We recommend relying on an authorised service centre for end-of-season cleaning and maintenance, as they will

carry out all of the previously mentioned work and inspect the stove components.

REAR OUTLET

Proceed in the same way for both rear and top smoke

outlet versions.

When the side panel has been taken down, clean the

smoke pipe.

Take out screw “x” and remove cap “H” and gasket “E”.

Then clean the pipe, cap “H” and if necessary, change

gasket “E”.

TOP OUTLET

38-CLEANING

PERIODICAL CHECK OF THE DOOR CLOSURE

Make sure the door closure ensures correct sealing action (with the “paper sheet” test) and that when the door is closed, the closing block

(X in the gure) does not protrude from the sheet metal to which it is secured. For some products it will be necessary to disassemble the

cladding to be able to assess the anomalous protrusion of the block when the door is closed.

SHUTDOWN (end of season)

At the end of each season, before switching the product o, it is recommended to remove all the pellets from the hopper with a vacuum

cleaner with a long pipe.

We recommend removing the unused pellets from the hopper because they can retain moisture. Disconnect any combustion air ducting

that can lead to moisture inside the combustion chamber but, above all, ask the specialised technician to refresh the paint inside the

combustion chamber with the special silicone spray paints (available at any store or Technical Assistance Centre) during the necessary

annual end of season scheduled maintenance operations. This way the paint will protect the inner parts of the combustion chamber,

blocking any type of oxidative process.

When not in use the appliance must be disconnected from the mains power supply. It is recommended to remove the

power cable for additional safety, especially in the presence of children.

The service fuse may have to be replaced if the control panel display does not switch on when the product is switched on again by pressing

the main switch on its side.

There is a fusebox on the side of the product, near the power socket. Open the fusebox cover with a screwdriver and replace the fuses if

necessary (3.15 A delayed) - seek assistance from an authorised and qualied technician.

FUSE HOLDER COMPARTMENT

38-CLEANING

CHECKING THE INTERNAL COMPONENTS

ATTENTION!

The internal electromechanical components must only be checked by qualied personnel whose technical expertise

includes combustion and electricity.

We recommend for this yearly maintenance to be carried out (with a scheduled service contract). This operation consists of a visual and

functional inspection of the internal components. A summary of the checks and/or maintenance operations that are essential for the

correct operation of the product is provided below.

PARTS/INTERVAL 1 DAY 23 DAYS 7 DAYS 15/20 DAYS 90 DAYS

OR 500 HOURS 1 YEAR

UNDER THE USER'S RESPONSIBILITY

Brazier 

Ash compartment 

Ash pan* 

Bottom exchanger compartment 

Glass 

Air lter 

BY THE QUALIFIED TECHNICIAN

Upper exchanger 

Lower exchanger 

Smoke duct 

Gaskets 

Smoke box 

Door closure operation 

* Emptying of the ash pan depends on various factors (pellet type, stove power, stove use, type of installation...); the exact emptying time

will be suggested by experience.

39-TROUBLESHOOTING

ATTENTION!

All repairs must only be carried out by a specialised technician, with the product switched o and unplugged.

ANOMALY POTENTIAL CAUSES SOLUTIONS

The pellets are not fed into the

combustion chamber.

The pellet hopper is empty. Fill the hopper with pellets.

Sawdust has blocked the feed screw. Empty the hopper and remove the sawdust

from the feed screw by hand.

Faulty gear motor. Replace the gear motor.

Faulty circuit board. Replace the electric board.

The re goes out or the product stops

automatically.

The pellet hopper is empty. Fill the hopper with pellets.

The pellets are not fed in. See the previous anomaly.

The pellet temperature safety probe has

tripped.

Let the product cool down, restore

the thermostat until the lockout is o

and switch the appliance back on. If

the problem persists contact Technical

Assistance.

Chrono active. Check if the chrono setting is active.

The door is not closed properly or the

gaskets are worn.

Close the door and replace the gaskets

with original ones.

Unsuitable pellets. Change the type of pellets with those

recommended by the manufacturer.

Low pellet supply. Check the ow of fuel following the

instructions in the manual.

The combustion chamber is dirty. Clean the combustion chamber, following

the instructions in the manual.

Clogged outlet. Clean the smoke duct.

Faulty smoke extraction motor. Check the motor and replace it, if required.

39-TROUBLESHOOTING

ANOMALY POTENTIAL CAUSES SOLUTIONS

The product works for a few minutes

and then switches o.

Start-up phase is not completed. Repeat the ignition stage.

Temporary power cut. Repeat ignition.

Clogged smoke duct. Clean the smoke duct.

Faulty or broken temperature probes. Check and replace the probes.

Pellets accumulate in the brazier, the

glass of the door gets dirty and the

ame is weak.

Insucient combustion air. Make sure that the air inlet in the room is

tted and clear.

Clean the brazier and check that all the

holes are clear.

Perform a general cleaning of the

combustion chamber and the smoke duct.

Check the condition of the door gaskets.

Damp or unsuitable pellets. Change the type of pellets.

Faulty smoke extraction motor. Check the motor and replace it, if

necessary.

The smoke extractor motor is not

working.

No power to the appliance. Check the mains voltage and the

protection fuse.

The motor is faulty. Check the motor and capacitor and replace

them, if necessary.

Defective circuit board. Replace the electric board.

The control panel is broken. Replace the control panel.

The convection air fan never stops. Thermal probe defective or broken. Check the probe and replace it, if necessary.

Faulty fan. Wait a few minutes and check motor

operation, replace it if necessary.

The product has not reached the shutdown

temperature yet.

Wait.

39-TROUBLESHOOTING

ANOMALY POTENTIAL CAUSES SOLUTIONS

The air fan does not switch on. The product has not reached the

temperature.

Wait.

The product always runs at maximum

power when in automatic mode.

The room thermostat is in maximum

position.

Set the temperature again.

Malfunctioning temperature probe. Check the probe and replace it if required.

Faulty or broken control panel. Check the panel and replace if necessary.

The product does not switch on. No power supply. Check that the plug is inserted.

Fuse blown due to a fault. Replace the fuse with one of identical

characteristics (5x20 mm T 3.15A).

Check the brazier. Clean the brazier and remove any deposits

or residues of unburnt pellets.

Check the position of the brazier. Put the brazier back in its place.

Check that the glow plug warms up. Check and if necessary, replace.

Clogged smoke outlet or smoke duct. Clean the smoke outlet and/or the smoke

duct.

Faulty glow plug. Replace the glow plug.

910

40-CIRCUIT BOARD

KEY

1. AIR PRESSURE SWITCH

2. KLIXON

3. AIR FAN 3 (IF ANY)

4. ROOM FAN

5. AIR FAN 2 (IF ANY)

6. SMOKE EXTRACTOR

7. IGNITION (GLOW PLUG)

8. BOARD POWER SUPPLY

9. MAESTRO CONTROL PANEL

10. SMOKE TEMPERATURE PROBE

11. ROOM PROBE

12. PRESSURE DIFFERENTIAL

13. SOFTWARE UPDATE (USB)

14. SMOKE FAN ENCODER

15. PELLET LEVEL SENSOR (OPTIONAL)

16. BRUSHLESS GEAR MOTOR

PLEASE NOTE The electrical wiring of individual components is tted with pre-wired connectors of dierent sizes.

LIVE ELECTRICAL CABLES

DISCONNECT THE POWER

SUPPLY CABLE 230V

BEFORE CARRYING OUT

ANY OPERATIONS ON THE

ELECTRICAL BOARDS

23/01/2023REV.08902287400

MCZ GROUP S.p.A.

Via La Croce n°8

33074 Vigonovo di Fontanafredda (PN) – ITALY

Telephone: 0434/599599 a.s.

Fax: 0434/599598

Website: www.mcz.it

e-mail: mcz@mcz.it

MCZ STREAM COMFORT AIR 12 M2 Handleiding

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