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Read carefully before installation, commissioning and operation
Heating-Controller HCC 3
Installation and operating instructions
Weathercontrolled heat circuit regulator
2
Table of content
Description of controller
2.1 Speci cations
2.2 About the controller
2.3 Scope of supply
2.4 Disposal of pollutants
2.5 Hydraulic variants
2
5
6
6
6
7
Operation
4.1 Display and input
4.2 Menu sequence
4
12
13
Parametrisation
5.1 Commissioning help
5.2 Free commissioning
5
14
14
Malfunctions/Maintenance
17.1 Error messages
17.2 Replacing the fuse
17.3 Maintenance
16
29
30
30
Protective functions Menu 7
12.1 Anti seizing
12.2 Frost protection
12.3 Min. ow
12.4 Max. ow
11 22
22
22
23
Special functions Menu 8
12.1 Sensor calibration
12.2 Commissioning
12.3 Factory settings
12.4 Expansions
12.5 Mixer
12.6 Turn-time
12.7 Pause factor
12.8 Increase
12.9 Room controller
12
24
24
24
25
25
25
25
25
26
Useful notes/tips&tricks
17 31
Chapter Page Chapter Page
Measurement values
Menu 1
615
Statistics Menu 2
7.1 24 hours
7.2 28 days
7.3 Operating hours HC
7.4 Error messages
7.5 Reset/clear
7
16
16
16
16
16
Settings HC Menu 5
10.1 Su/Wi Day
10.2 Su/Wi Night
10.3 Curve
10.4 Day correction
10.5 Night correction
10.6 Comfort boost
10
19
19
20
21
21
21
Menu lock Menu 9 27
13
Language Menu11
14 27
Service values Menu 10
15 28
Safety instructions
1.1 EC conformity
1.2 General instructions
1.3 Explanation of symbols
1.4 Changes
1.5 Warranty
1
3
3
3
4
4
Operating modes Menu 4
9.1 Heat circuit
9.2 Manual
9
18
18
Installation
3.1 Wall installation
3.2 Electrical connection
3.3 Installing the sensors
3.4 Installing RS-485
3
8
9-10
11
11
17
17
17
Operating times Menu 3
8.1 time & date
8.2-8.4 Heat circuit day
8.5-8.7 Heat circuit comf.
8
3
1.1 EC declaration of conformity
By af xing the CE mark to the unit the manufacturer declares that the HCC3
conforms to the following relevant safety regulations:
- EC low voltage directive
73/23/EEC, as amended by 93/68/EEC
- EC electromagnetic compatibility directive
89/336/EEC version 92/31/EEC version 93/68/EEC
Conformity has been veri ed and the corresponding documentation and
the EC declaration of conformity are kept on le by the manufacturer.
1.2 General instructions It is essential that you read this!
These installation and operating instructions contain basic instructions
and important information regarding safety, installation, commissioning,
maintenance and the optimal use of the unit. Therefore these instructions
must be read completely and understood by the installation technician/
specialist and by the system user before installation, commissioning and
operation of the unit.
The valid accident prevention regulations, VDE regulations, the regulations
of the local power utility, the applicable DIN-EN standards and the
installation and operating instruction of the additional system components
must also be observed. The controller does not under any circumstances
replace any safety devices to be provided by the customer!
Installation, electrical connection, commissioning and maintenance of the unit
may only be carried out by specialists who possess the appropriate training.
For the user: Make sure that the specialist gives you detailed information on the
function and operation of the controller. Always keep these instructions
in the vicinity of the controller.
1.3 Explanation of symbols
Failure to observe these instructions can result in danger to life
from electric voltage.
Danger
Danger
Failure to observe these instructions can result in serious damage
to health such as scalding, or even life-threatening injuries.
Caution
Failure to observe these instructions can result in destruction of
the unit or the system, or damage to the environment.
Caution
Information which is especially importation for the function and
optimal use of the unit and the system.
Safety instructions
1 1
4
Safety instructions
1 1
1.4 Changes to the unit
1.5 Warranty and liability
The controller has been manufactured and tested with regard to high quality
and safety requirements. The unit is subject to the statutory guarantee
period of two years from the date of sale.
The warranty and liability shall not include, however, any injury to persons or
material damage that is attributable to one or more of the following causes:
- Failure to observe these installation and operating instructions
- Improper installation, commissioning, maintenance and operation
- Improperly executed repairs
- Unauthorised structural changes to the unit
- Installation of additional components that have not been tested
together with the unit
- Any damage resulting from continued use of the unit despite an
obvious defect
- Failure to use original spare parts and accessories
- Use of the device for other than its intended purpose
- Operation above or below the limit values listed in the speci cations
- Force majeure
- Changes, additions to or conversion of the unit are not permitted without
written permission from the manufacturer
- It is likewise forbidden to install additional components that have not
been tested together with the unit
- If it becomes clear that safe operation of the unit is no longer possible,
for example because of damage to the housing, then turn the controller
off immediately
- Any parts of the unit or accessories that are not in perfect condition must
be exchanged immediately
- Use only original spare parts and accessories from the manufacturer.
- Markings made on the unit at the factory must not be altered, removed
or made illegible
- Only the settings actually described in these instructions may be made
on the controller
Gefahr
Changes to the unit can compromise the safety and function of the
unit or the entire system.
5
Description of controller
2 2
2.1 Specifi cations
Electrical specifi cations:
Mains Voltage 230VAC +/- 10%
Mains frequency 50...60Hz
Power consumption 2VA
Total switched power 460VA (Relay outputs 1-3)
Switched power per relay 460VA for AC1 / 185W for AC3
Internal fuse 2A slow blow 250V
Protection category IP40
Protection class II
Sensor inputs 5x Pt1000 temperature sensor
1x Room
Measuring range -40 to110°C
Permissible ambient conditions:
Ambient temperature
for controller operation 0°C...40°C
for transport/storage 0°C...60°C
Air humidity
for controller operation max. 85% humidity at 25°C
for transport/storage no moisture condensation permitted
Other specifi cations and dimensions
Housing design 2-part, ABS plastic
Installation methods Wall installation, optionally panel installation
Overall dimensions 163mm x 110mm x 52mm
Aperture installation dimensions 157mm x 106mm x 31mm
Display Fully graphical display 128 x 64 dots
Light diode Multicolour
Operation 4 entry keys
Temperature sensors: (may not be included in the scope of supp-
ly)
Immersion sensor Pt1000, e.g. immersion sensor TT/P4
Pipe-mounted sensor Pt1000, e.g. pipe-mounted sensor TR/P4
Outdoor sensor Pt1000, e.g. outdoor sensor TA52
Remote adjuster Pt1000, Typ RC21
Sensor leads 2x0.75mm² extendable up to 30m
Temperature resistance table for Pt1000 sensors
°C 0 102030405060708090100
Ω1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385
6
2.2 About the controller
The weather controlled Heat Circuit Controller HCC 3 facilitates ef cient use
and function control of your heating system. The device is impressive
most of all for its functionality and simple, almost self-explanatory operation.
For each step in the input process the individual entry keys are assigned
to appropriate functions and explained. The controller menu contains
headwords for the measured values and settings, as well as help texts or
clearly-structured graphics.
Important characteristics of the HCC3:
- Depiction of graphics and texts in a lighted display
- Simple viewing of the current measurement values
- Statistics and monitoring of the system by means of statistical graphics, etc.
- Extensive setting menus with explanations
- Menu block can be activated to prevent unintentional setting changes
- Resetting to previously selected values or factory settings
Description of controller
2 2
2.3 Scope of supply
- Heating controller HCC3
- 3 screws 3,5x35mm and 3 plugs 6mm for wall installation
- 6 strain reliefs with 12 screws, replacement fuse 2AT
- installation and operating instructions HCC3
Optionally contained depending on design/order:
- 1x outdoor sensor e.g. TA52 (Pt1000)
- 1x pipe-mounted sensor e.g. TR/P4 (Pt1000)
- 1x Indoor sensor/remote adjuster with mode switch RC21
2.4 Disposal and pollutants
The unit conforms to the European RoHS directive 2002/95/EC for the
restriction of the use of certain hazardous substances in electrical and
electronic equipment.
Caution
The unit must not under any circumstances be disposed of with
ordinary household refuse. Dispose of the unit only at appropriate
collection points or ship it back to the seller or manufacturer.
7
Description of controller
2 2
2.5 Hydraulic variants
The following illustrations should be viewed only as schematic diagrams
showing the respective hydraulic systems, and do not claim to be
complete. The controller does not replace safety devices
under any circumstances. Depending on the speci c application, additional
system components and safety components may be mandatory, such
as check valves, non-return valves, safety temperature limiters, scalding
protectors, etc., and must therefore be provided.
Caution
1Mixed heating circuit
8
3.1 Wall installation
Installation
3 3
Caution
Install the controller only in dry areas and under the ambient conditions
described under 2.1 „Speci cations“. Carry out the following steps 1-8.
Fig.3.1.1
Fig.3.1.2
1. Unscrew cover screw completely
2. Carefully pull upper part of housing
from lower part.
3. Set upper part of housing aside,
being sure not to touch the electronics
when doing so.
4. Hold the lower part of the housing
up to the selected position
and mark the 3 mounting holes.
Make sure that the wall surface
is as even as possible so that
the housing does not become
distorted when it is screwed on.
5. Using a drill and size 6 bit, drill 3
holes at the points marked on the
wall and push in the plugs.
6. Insert the upper screw and screw
it in slightly.
7. Fit the upper part of the housing
and insert the other two screws.
8. Align the housing and tighten the
three screws.
Caution
For panel installation, a
special installation set is
available as an accessory.
9
Installation
3 3
3.2 Electrical connection
Before working on the unit, switch off the power supply and secure
it against being switched on again!
Check for the absence of power!
Electrical connections may only be made by a specialist and in
compliance with the applicable regulations. The controller may not be put
into operation if there is visible damage to the housing, e.g. cracks.
Caution
Danger
Low-voltage cables such as temperature sensor cables must be
routed separately from mains voltage cables. Feed temperature
sensor cables only into the left-hand side of the unit, and mains
voltage cables only into the right-hand side.
Caution
Fig.
3.2.1
Caution
The cables being connected to the unit must not be stripped by
more than 55mm, and the cable jacket must reach into the housing
just to the other side of the strain relief.
The customer must provide an all-pole disconnecting device, e.g.
a heating emergency switch.
1.Open controller housing (see 3.1)
2.Strip cables max. 55mm, insert, t
the strain relief devices, strip the last
8-9 mm of the wires. (Fig.3.2.1)
3. Open the terminals using a suitable
screwdriver (Fig. 3.2.1) and make
electrical connections on the controller
(Pages 10)
4. Re t upper part of housing and
fasten with screw.
6. Switch on mains voltage and
place controller in operation
8...9
~30°
max. 55
10
Installation
3 3
3.2.2 Electrical terminals
Caution
Left-hand terminal compart-
ment only for low voltage if
max. 12VAC/DC Danger
Right-hand terminal compart-
ment only for mains voltages
of 230VAC 50-60Hz
Low voltage max. 12VAC/DC
connection in the left-hand terminal
compartment!
Terminal: Connection for:
- Jumper terminal block S-
S1 Sensor 1 outdoor
S2 Sensor 2 heating circuit
S3 not used
S4 not used
S5 Sensor 5 indoor sensor
S6 Sensor 6 remote adjuster
+ not used
Z1 Option / add. function
Z2 Option / add. function
Use terminal block S- for connec-
ting the sensor earths of S1-S6.
The polarity of the sensors is freely
selectable.
Mains Voltage 230VAC 50-60Hz
connection in the right-hand terminal
compartment.
Terminal: Connection for:
R1 Heating pump L
N Heating pump N
L Mains phase conductorL
N Mains phase concuctorN
R2 Mixer open L
N not used N
R3 Mixer close L
N Mixer N
The PE protective conductor must
be connected to the PE metal terminal
block!
* Note: If the remote adjuster RC21 or
a different external oating thermostat
is connected, the bridge at S6 has to
be removed.
11
3.3 Installing the temperature sensors
The temperature sensor cables must be routed separately from
mains voltage cables, and must not, for example, be routed in the
same cable duct!
Caution
The controller operates with Pt1000 temperature sensors which are accurate
to the degree, thus ensuring optimal control of system functions.
Caution
If desired the sensor cables can be extended to a maximum of 30m
using a cable with a cross-section of at least 0.75mm². Make sure
that there is no contact resistance!
Position the sensor precisely in the area to be measured!
Only use immersion, pipe-mounted or at-mounted sensor suitable
for the speci c area of application with the appropriate permissible
temperature range.
3.4 Installation of the additional functions via clamps Z1/Z2
The instructions are supplied with the expansion board. The installa-
tion has to be commenced accordingly and all warnings have to be
observed.
Caution
Installation
3 3
S6 is by default connected by bridge with the terminal block S- to enable
the heating circuit functions. If the bridge is removed, the heating circuit
is switched off. When connecting the remote adjuster RC21 the bridge
has to be removed. If a third party external thermostat is connected, it’s
electrical contacts has to be oating and of low resistance = 0 Ohm.
Caution
12
Operation
4 4
4.1 Display and input
The display (1), with its extensive
text and graphics mode, is almost
self-explanatory, allowing easy
operation of the controller.
The LED (2) lights up green when a
relay is switched on.
The LED (2) lights up red when
operating mode „Off“ is set.
The LED (2) ashes slowly
red in the operating mode „Manual“.
The LED (2) ashes quickly
red when an error is present.
Entries are made using four keys
(3+4), to which different functions
are assigned depending on the
situation. The „esc“ key (3) is used
to cancel an entry or to exit a menu.
If applicable there will be a request
for confirmation as to whether the
changes which have been made
should be saved.
The function of each of the other
three keys (4) is shown in the display
line directly above the keys;
the right-hand key is generally
has a con rmation and selection
function.
Examples of key functions:
+/- = enlarge/shrink values
/ = scroll menu down/up
yes/no = approve/reject
Info = additional information
Back = to previous screen
ok = con rm selection
Con rm = con rm setting
Examples of display symbols:
Heating circuit pump
(rotates when active)
Heating circuit mixer
(black when active)
HC -Day mode (Time progr.)
HC-Night mode (Time progr.)
HC-Comfort mode (Time progr.)
Day mode
Night mode
Day mode due to RC21
Night mode due to RC21
Reference value mode
Reference value 14 day
Warning / Error message
New information available
(1)
(2)
(3)
(4)
13
Operation
4 4
4.2 Menu sequence and menu structure
The graphics or overview mode ap-
pears when no key has been pressed
for 2 minutes, or when the main menu
is exited by pressing „esc“.
Pressing a key in graphics or overview
mode takes you directly to the main
menu. The following menu
items are then available for selection
there:
Current temperature values with
explanations (see 6.)
Function control of the system with
operating hours, etc. (see 7.)
Operating times for heating circuit and hot
water, setting the clock (see 8.)
Operating times for heating circuit and hot
water, manual mode (see 9.)
Set parameters for the heating circuit
(see 10.)
Anti-seizing protection, Frost prot.,
Anti-Legionella activation (see 11.)
Sensor calibration, Remote adjuster,
Mixer, etc. (see 12.)
Against unintentional setting changes
at critical points (see 13.)
For diagnosis in the event of an
error (see 14.)
Selection of the menu language
(see 15.)
14
Parametrisation
5 5
The rst time the controller is turned
on and after the language and time
are set, a query appears as to whether
you want to parametrise the
controller using the commissioning
help or not. The commissioning help
can also be terminated or called up
again at any time in the special
functions menu. The commissioning
help guides you through the neces-
5.1 Commissioning help
Caution
Observe the explanations for the the individual parameters on the
following pages, and check whether further settings are necessary
for your application.
5.2 Free commissioning
If you decide not to use the commissioning help, you should make the
necessary settings in the following sequence:
- Menu 10. Language (see 15.)
- Menu 3. Time, date and operating times (see 8.)
- Menu 5 Settings for heat circuit, all settings (see 10.)
- Menü 6. Protective functions if necessary (see 11.)
- Menü 7. Special functionsif necessary (see 13.)
Finally, menu 4.2 under operating mode „Manual“ should be used to test
the switch outputs with the consumers connected, and to check the sensor
values for plausibility. Then switch on automatic mode.
sary basic settings in the correct order, and provides brief descriptions of
each parameter in the display.Pressing the „esc“ key takes you back to the
previous value so you can look at the selected setting again or adjust it if
desired. Pressing the „esc“ more than once takes you back step by step to
the selection mode, thus cancelling the commissioning help. Finally, menu 4.3
under operating mode „Manual“ should be used to test the switch outputs with
the consumers connected, and to check the sensor values for plausibility. Then
switch on automatic mode.
Caution
Observe the explanations for the the individual parameters on the
following pages, and check whether further settings are necessary
for your application.
15
Menu “1. Measurement values”
serves to display the currently mea-
sured temperatures.
The menu is closed by pressing
“esc” or selecting “Exit measurement
values”.
Selecting “Info” leads to a brief help
text explaining the measurement
values.
Selecting “Overview” or “esc” exits
the Info mode.
If “Error” appears on the display instead of the measurement value,
then there may be a defective or incorrect temperature sensor.
Caution
Measurement values Menu 1
6 6
If the cables are too long or the sensors are not placed optimally, the result
may be small deviations in the measurement values. In this case the display
values can be compensated for by making entries on the controller.
Follow the instructions under 12.1.
What measurement values are displayed depends on the selected
program, the connected sensors and the speci c device design.
6. Measurement values
16
Statistics Menu 2
7 7
7. Statistics
Menu “2. Statistics” is used for func-
tion control and long-term monitoring
of the system.
The submenus described under 7.1-
7.5 are available.
The menu is closed by pressing
“esc” or selecting “Exit statistics”.
7.1 Today Menu 2.1 (=Flow temperature for the present day)
In the graphical overview the characteristics of outdoor-and ow temperature
for the present day is shown from 0-24h. The right button changes the unit of
time and the two left buttons scroll through the diagram.
7.3 Operating hours Heat Circuit Menu 2.3
Display of operating hours of the heat pump connected to the controller, and
the date the measurement started.
7.4 Error messages Menu 2.4
Resetting and clearing the individual statistics. Selecting “All statistics”
clears everything except for the error log.
7.5 Reset / clear Menu 2.5
Display of the last three errors in the system with indication of date and time.
For system data statistics it is essential for the time to be set accurately
on the controller. Please note that the clock continues to
run for about 24 hours if the mains voltage is interrupted, and after
that has to be reset. Improper operation or an incorrect time may result
in data being cleared, recorded incorrectly or overwritten.
The manufacturer accepts no liability for the recorded data!
Caution
7.2 28-days Menu 2.2 (=Flow temperature during the last 28 days)
In the graphical overview the characteristics of the outdoor and ow tempera-
ture during the last 28 days is shown. The right button changes the unit of time
(Days) and the two left buttons scroll through the diagram.
17
Times Menu 3
8 8
8. Times
Menu “3. Times” is used to set the
time, date, operating times for the
heating circuit and hot water.
8.2 Heating circuit day Menu 3.2
This menu is used to select the daytime mode times for the heating circuit;
three time periods can be speci ed for each weekday and copied over to
the following days.
Setting range: Three time ranges for each day of the week
Default: Mo-Su 6:00-22:00
Note: See 10. for the associated temperature settings
8.1 Time & Date Menu 3.1
This menu is used to set the current time and date.
For proper functioning of the controller and statistics for the system
data it is essential for the time to be set accurately on the controller.
Please note that the clock continues to run for about 24 hours if the
mains voltage is interrupted, and after that has to be reset.
Caution
Caution
Times that are not speci ed are automatically considered to be
nighttime mode. The set times are only taken into account in the
heating circuit operating mode “Automatic”
8.3 Heating comfort Menu 3.3
This menu can be used to select a time range for each day of the week in
which the heating circuit is supplied with an increased comfort temperature,
e.g. for quick heating in the morning.
Setting range: One time range for each day of the week
Default: Mo-Su off
Note: See 10. for the associated temperature settings.
Caution
The menu is closed by pressing
“esc” or selecting “Exit display
mode”.
The associated temperature
reference values are speci-
ed in menu 5 “Settings”!
18
9. Operating modes
Menu “4. Operating modes” is used
to specify the operating modes for
the heating circuit.
After an interruption of the mains
voltage the controller automatically
returns to the last operating mode
selected!
The menu is closed by pressing
“esc” or selecting “Exit operating
modes”.
Operating modes Menu 4
9 9
.
The controller works with the set operating times and the corresponding
different reference ow temperature
values only in the automatic mode.
Caution
Auto = Automatic/Normal mode using the set times.
Continous Day = The set values for day mode are used.
Continous Night = The set values for night mode are used.
Reference Value = Fixed ow temperature regardless of the outdoor tempera-
ture. The desired ow temperature has to be set in menu 4.3.
14 day reference value = Speci c xed ow temperatures can be set for the
next 14 days in menu 4.4. After 14 days, the reference temperature of the 14th
day is used until the operating mode is changed.
Off = Heating circuit is switched off (except Frost protection)
Settings range: Auto, Continous day, Continous night, Reference value, 14
day reference, Off
Default: Automatic
9.1 Heat circuit Menu 4.1
19
The operating mode “Manual” may only be used by specialists for
brief function tests, e.g. during commissioning!
9.3 Manual Menu 4.2
In Manual mode the individual relay outputs and the connected consumers
can be checked for proper functioning and correct assignment.
Function in manual mode:
The relays and thus the connected consumer are switched on and off by
pressing a key, with no regard to the current temperatures and the parameters
which have been set. At the same time, the current measurement values of
temperature sensors are also shown in the display for the purposes of function
control.
Danger
9.4 14 day reference Menu 4.4
If operating mode “14 day reference value” is selected (Menu 4.1), the reference
ow temperature for each of the 14 days can be set here.
In the rst menu 4.4.1 the starting time of the program is shown. To start the
program, hit restart.
Hitting “restart” again will reset the 14 day reference program and start it at
day 1.
9. Operating modes (continued)
9.3 Heat circuit reference Menu 4.3
If operating mode “Reference value” is selected, (Menu 4.1), the reference ow
temperature has to be set here, regardless of the curve/outdoor temperature.
Settings range: 10 °C to 75 °C
Default: 30 °C
Operating modes Menu 4
9 9
20
10. Settings HC
Settings Heating circuit Menu 5
10 10
Caution
This does not under any
circumstances replace the
safety facilities to be provided
by the customer!
The menu is closed by pressing
“esc” or selecting “Exit settings”.
The necessary basic settings required
for the control function of the heating
circuit are made in menu “5. Settings
HC”.
10.1 Su/Wi Day Menu 5.1 = Summer/Winter changeover in daytime mode
If this value is exceeded at outdoor sensor S1 during the daytime mode
times, the controller automatically switches the heating circuit off = Summer
mode.
If the outdoor temperature drops below this value, the heating circuit is
switched on again = Winter mode.
Setting range: from 0°C to 30°C / default setting: 18°C
10.2 Su/Wi Night Menu 5.2 = Summer/Winterchangeover in nighttime mode
If this value is exceeded at outdoor sensor S1 during the nighttime mode
times, the controller automatically switches the heating circuit off = Summer
mode.
If the outdoor temperature drops below this value, the heating circuit is
switched on again = Winter mode.
Settings range: 0°C to 30°C / Default: 12°C
In addition to the operating times in normal daytime operation, this
setting is also valid for times with activated comfort temperature
boost and activated low-rate period boost.
Caution
21
10.3 Curve Menu 5.3 = Slope of the characteristic heating curve
The characteristic curve is used to control the heat dissipation of the heating
circuit relative to the outdoor temperature.
The demand for heat is different due to differences in the type of building/
insulation/type of heating/outdoor temperature. For this reason the controller
can make use of a normal straight curve (Setting simple) or a split curve (Setting
split).
In the simple setting the curve can be adjusted with the help of the graphic
diagram. The slope is changed, and the calculated reference ow temperature
is displayed for -12 °C.
If the split mode is selected, the characteristic curve is adjusted in 3 steps. First
the standard slope has to be set, after that the split point and nally the steepness
of the curve after the split. While adjusting the curve the steepness of the slope
and the calculated reference ow temperature for
-12 °C outdoor temperature is displayed.
Settings range:
Characteristic curve : simple or split / Default: simple
Slope : 0.0...3.0 / Default: 0.8
Splitpoint at outdoor temp.: +10°C...-10°C
Angle: differs, depends on steepnes and split point
The diagram shows the influence of the selected characteristic curve
steepness (standard curve) on the calculated reference ow temperature of
the heating circuit. The correct curve is appointed by setting the intersection
point of the calculated maximum ow temperature and the minimum outdoor
temperature.
Example:
10. Settings HC (continued)
Settings Heat circuit Menu 5
10 10
Maximum calculated ow temperature
60°C at minimum outdoor temperature
according to heat demand calculation
-12°C.
The intersection results in a slope of
1.2.
22
10.4 Day correction Menu 5.4 = parallel translation of the characteristic
The day correction produces a parallel translation of the heating
characteristic during the daytime operating hours, since depending on the
outdoor temperature it is possible that the building may not be optimally
heated with the set characteristic. If the characteristic is not optimised, the
following situation may occur:
in hot weather - the spaces are too cold
in cold weather - the spaces are too hot
In this case, one should gradually reduce the characteristic slope in steps
of 0.2, each time raising the day correction by 2-4 °C.
This procedure can be repeated several times as needed.
Setting range: from -10°C to 50°C / default setting: 5
10.5 Night correction Menu 5.5 = parallel translation of the characteristic
The night correction produces a parallel translation of the heating
characteristic during the nighttime operating hours. If a negative value
is set for the night correction, the reference ow temperature is lowered
accordingly during the nighttime operating hours. In this manner, primarily
at night, but also during the day when no-one is at home, the room
temperature is lowered, thus saving energy.
Example: A day correction of +5°C and a night correction of -2°C produces
a reference ow temperature in nighttime operation that is 7°C lower.
Setting range: from -30°C to 30°C / default setting: -2°C
10.6 Comfort temperature boost Menu 5.6 = parallel translation of the
characteristic
The comfort temperature boost is added to the set day correction. In this
manner it is possible to carry out quick heating and/or a higher temperature
in the living spaces at a certain time each day.
Setting range: from 0°C to 15°C / default setting: 0°C = off
Settings Heat circuit Menu 5
10 10
10. Settings HC (continued)
The following settings can be used for parallel translation of the
characteristic for certain time periods such as daytime and nighttime
mode.
Caution
23
Protective functions Menu 6
11 11
11. Protective functions
Menu “6. Protective functions” can
be used by specialists to activate
and set various protective functions.
Caution
The menu is closed by pressing
“esc” or selecting “Exit settings”.
This does not under any
circumstances replace the
safety facilities to be provided
by the customer!
11.1 Anti-seizing protection Menu 6.1
If the anti-seizing protection is activated, the controller switches the heat pump
and the mixer on/off at 12:00 pm for 5 seconds to prevent seizing of the pump/
valve after long periods of inactivation.
Settings range: on, off/ Default: on
11.2 Frost protection Menu 6.2
Frost protection function can be activated for the heat circuit. If the outdoor
temperature at sensor S1 drops below 1 °C and the heat circuit is switched
off, the controller switches the heat circuit back on with the reference tem-
perature set in in menu 6.3 (min. ow temperature). As soon as the outdoor
temperature exceeds 1°C the heat circuit is switched off again.
Frost protection - settings range: on, off / Default: on
Switching the frost protection function off or setting the minimum ow
temperature too low can lead to severe damage of the system.
Caution
11.3 min. ow temperature Menu 6.3
The minimum ow temperature is the lower limit for the characteristic curve/
slope and as a result of the reference ow temperature of the heat circuit.
Additionally, the min. ow temperature is the reference ow temperature for
the frost protection.
Settings range: 5°C to 30°C / Default: 15°C
24
11.3 max. ow Menu 6.3
This is used as the upper limit for the reference ow temperature of the heat
circuit. Should the heat circuit temperature exceed this value, the heat circuit is
switched off until the temperature drops below.
Settings range: 30 °C to 105 °C / Default: 45 °C
Caution
For safety, the customer must provide an additional limiting
thermostat which is connected to the pumps in series.
11. Protective functions (continued)
Protective functions Menu 6
11 11
25
12.2 Commissioning Menu 7.2
Starting the commissioning help guides you in the correct order through the
basic settings necessary for commissioning, and provides brief descriptions of
each parameter in the display.
Pressing the “esc” key takes you back to the previous value so you can
look at the selected setting again or adjust it if desired. Pressing the “esc”
more than once takes you back to the selection mode, thus cancelling the
commissioning help. (see also 5.1)
Caution
May only be started by a specialist during commissioning! Observe
the explanations for the the individual parameters in these
instructions, and check whether further settings are necessary for
your application.
12.3 Factory settings Menu 7.3
All of the settings that have been made can be reset, thus returning the
controller to its delivery state.
Caution
The entire parametrisation, statistics, etc. of the controller will be lostir-
revocably. The controller must then be commissioned once again.
Special functions Menu 8
12 12
12. Special functions
Menu “7. Special functions” is used
to set basic items and expanded
functions.
The menu is closed by pressing
“esc” or selecting “Exit special func-
tions”.
Caution
12.1 Sensor calibration Menu 7.1 / 7.1.1 - 7.1.6
Deviations in the temperature values displayed, for example due to cables which
are to long or sensors which are not positioned optimally, can be compensated
for manually here. The settings can be made for each individual sensor in steps
of 0.5°C.
Offset S1...S6 per settings range : -10°C...+10°C Default : O°C
Caution
Settings are only necessary in special cases at the time of initial
commissioning by the specialist. Incorrect measurement values
can lead to unpredictable errors.
The settings in this menu
should only be made by a
specialist.
26
Special functions Menu 8
12 12
12.4 Expansions Menu 7.4
This menu can only be selected and used if additional options or expansion
modules have been built into the controller.
The associated supplementary installation, mounting and operation
instructions are then included with the speci c expansion.
12.5 Mixer Menu 7.5
12.6 Turn time Menu 7.5.1
The mixer is switched on i.e. is opening or closing for the timespan set here,
then the temperature is measured to control the ow temperature.
Settings range: 0.5 sec to 3 sec. / Default: 2 sec.
12.7 Pause-Factor Menu 7.5.2
The calculated pause time of the mixer is multiplied with the value set here. If
the pause factor is “1”, the normal pause time is used, “0.5” will use half the
normal pause time, “4” would quadruple the pause time.
Settings range: 0.1 to 4.0 / Default: 1.0
12.8 Increase Menu 7.5.3
If the temperature rises very fast, this value is added to the measured ow
temperature so that the mixer’s reaction is stronger.
If the measured temperature does not rise any more, the measured value is
used again. The measurement occurs once every minute.
Settings range: 0 to 20 / Default: 8
Caution
Settings are only necessary at the time of initial commissioning by the
specialist. Incorrect measurement values can lead to severe unpredict-
able errors.
27
12.9 Room controller Menu 7.6
Special functions Menu 8
12 12
12.9.1 Room controller Menu 7.6.1
12.9.2 Room reference day Menu 7.6.2
The desired room temperature for day mode. As long as this temperature is
not reached, the reference ow temperature is raised or respectiveley lowered
according to the percent setting in “room controller”. If “room controller” is set
to 0%, this function is deactivated.
Settings range: 10 °C to 30 °C / Default: 20 °C
12.9.3 Room reference night Menu 7.6.3
The desired room temperature for night mode. As long as this temperature is
not reached, the reference ow temperature is raised or respectiveley lowered
according to the percent setting in “room controller”. If “room controller” is set
to 0%, this function is deactivated.
Settings range: 10 °C to 30 °C / Default: 20 °C
The settings necessary for the optional room controller RC21 are made in this
menu.
The 3 modes “continous day”, “continous night” and “Time controlled/automatic”
can be switched at the RC21.
Additionally the reference temperature of the ow can be parallel translated by
turning the control wheel. If the wheel is set to minimum, only the minum values
that can be set in the protective functions menu will be used.
This value is used to appoint the amount of in uence in percent the room
temperature has on the reference ow temperature. For every degree of
deviation of the room temperature from the reference room temperature the
percentage of the calculated reference ow temperature set here is added to
or, respectively, subtracted from the reference ow temperature. As long as
it is within the limits of the min. and max. ow temperatures that can be set in
the protective functions.
Example: Reference roomtemp.: e.g. 25 °C ; room temp.: e.g. 20 °C = 5 °C
deviation.
calculated reference temp..: e.g. 40 °C : room controller: 10 % = 4 °C
5 X 4 °C = 20 °C According to this 20 °C are added to the reference ow
temperature, resulting in 60 °C. If the value is higher than the one set in max.
ow temp-, the resulting temperature is only the one set in max. ow temp.
Settings range: 0 % to 20 % / Default: 0
Caution
In the operating modes “Reference value” and 14day ref.” the remote
adjuster is without function.
28
Menu lock Menu 9
13 13
13. Menu lock
Menu “8. Menu lock” can be used to
secure the controller against uninten-
tional changing and compromise of
basic functions.
The menu is closed by pressing
“esc” or selecting “Exit menu lock”.
The menus listed below remain completely accessible despite the menu
lock being activated, and can be used to make adjustments if necessary:
1. Measurement values
2. Statistics
3. Times
8. Menu lock
9. Service values
To block the other menus, select “Menu lock on”.
To enable the menus again, select “Menu lock off”.
Setting range: on, off / default setting: off
Language Menu 1
14 14
Menu “10. Language” can be used
to select the language for the menu
guidance. This is queried automati-
cally
during initial commissioning.
The choice of languages may differ,
however, depending on the device
design. Language selection is not
available in every device design!
14. Language
29
Service values Menu 10
15 15
15. Service values
Menu “9. Service values” can be
used for remote diagnosis by a
specialist or the manufacturer in the
event of an error, etc.
Caution
Enter the values at the time
when the error occurs
into the table.
The menu can be closed at any time
by pressing “esc”.
30
Malfunctions
16 16
16.1 Malfunctions with error messages
If the controller detects a malfunction,
the red light ashes and the warning
symbol also appears in the display.
If the error is no longer present, the
warning symbol changes
to an info symbol and the red light
no longer ashes. To obtain more
detailed information on the error,
press the key under the warning or
info symbol.
Notes for the specialist:
Means that either the sensor, the
sensor input at the controller or the
connecting cable is/was defective.
(Resistance table on page 5)
The maximum heat circuit temperature
set in menu 6.3 was exceeded.
Means that the controller was restar-
ted, for example due to a power failure.
Check the date&time!
(Led ashes+ warning symbol)
Do not try to deal with this
yourself. Consult a specialist
in the event of an error!
Danger
Possible error/information messages:
Sensor x defective----------------------->
max. heat circuit---- --------------------->
(Information only)
Restart--------------------------------------->
(Information only)
31
16.2 Replacing the fuse
If the mains voltage is switched on and
the controller still does not function
or display anything, then the internal
device fuse may be defective.
In that case, open the device as de-
scribed under 3.1, remove the old fuse
and check it.
Exchange the defective fuse for a new
one, locate the external source of the
error (e.g. pump) and exchange it.
Then rst recommission the controller
and check the function of the switch
outputs in manual mode as described
under 10.2.
Malfunctions
16 16
Repairs and maintenance may only be performed by a specialist.
Before working on the unit, switch off the power supply and secure
it against being switched on again! Check for the absence of power!
Danger
Danger
Only use the supplied spare fuse or a fuse of the same design with
the following speci cations: T2A 250V
Fig.3.1.1
Fuse
16.3. Maintenance
In the course of the general annual maintenance of your heating
system you should also have the functions of the controller checked
by a specialist and have the settings optimised if necessary.
Caution
Performing maintenance:
- Check the date and time (see 8.1)
- Assess/check plausibility of statistics (see 7.)
- Check the error memory (see 7.4)
- Verify/check plausibility of the current measurement values (see 6.)
- Check the switch outputs/consumers in manual mode (see 9.3)
- Poss. optimise the parameter settings
32
DTP:\Bedienanleitungen\HCC\HCC3 83331Englisch.pmd / pdf
Your specialist dealer:
Final declaration:
Although these instructions have been created with the greatest possible
care, the possibility of incorrect or incomplete information cannot be excluded.
Subject as a basic principle to errors and technical changes.
Hydraulic variant set:
Commissioned on:
Commissioned by:
Manufacturer:
SOREL GmbH Mikroelektronik
Jahnstr. 36
D - 45549 Sprockhövel
Tel. +49 (0)2339 6024
Fax +49 (0)2339 6025
www.sorel.de info@sorel.de
The service values (see 15.) include not only current measurement
values and operating states, but also all of the settings for the controller.
Write the service values down just once after commissioning has been
successfully completed.
In the event of uncertainty as to the control response or malfunctions
the service values are a proven and successful method for remote
diagnosis. Write the service values down (see 15.) at the time that
the suspected malfunction occurs. Send the service value table
by fax or e-mail with a brief description of the error to the specialist
or manufacturer.
To protect against loss of data, record any statistics and data that
are particularly important to you (see 7.) at regular intervals.
Useful notes / tips and tricks
17 17
23

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