Handleiding REMKO ATY350 (pagina 22 van 32) (Engels)

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Edition GB – T08

REMKO ATY

ATY 260, ATY 350

Wall - room air conditioner in split design

Operation · Technology · Spare parts

Contents

Read these operating instructions carefully before start up / use of

units!

These instructions are part of the unit and must always be stored in

immediate vicinity of the placement location or on the unit.

Changes reserved; no liability for errors or printing errors!

Safety guidelines 4

Environmental protection and recycling 4

Warranty 4

Transport and packaging 5

Product description 5

Operation 6-13

Shut down 14

Care and maintenance 14-15

Troubleshooting and customer service 16-17

Assembly instructions for technicians 18-21

Installation 21-22

Leakage test 23

Condensation connection 24

Electrical connection 24-25

Electrical circuit diagram 25

Electrical connection diagram 26

Before start up 26

Add refrigerant 26

Start up 27

Unit dimensions 28

Technical data 29

Product illustration 30-31

Spare parts list 30-31

Made by REMKO

Safety guidelines

Disposal of packaging

All products are packed for

transport in environmentally

friendly materials. Do your part

in the reduction of waste and

conservation of resources and

dispose of the packaging material

only at appropriate collection

points.

Disposal

of old units

Our Production department is

under constant quality control.

Only top quality materials are

processed, the majority of which

are recyclable. Do your part

to protect the environment by

ensuring that your old unit is

disposed of according to regionally

valid regulations, for example in

authorized disposal and recycling

centers or collection points.

Environmental

protection

and recycling

Before using your unit for the first

time, carefully read the operating

instructions for your unit.

It contains useful tips , remarks

as well as warnings to avoid

danger to personnel and property.

Non-observance of these

instructions can endanger persons,

the environment and the system

and therefore lead to loss of any

possible warranty claims.

■

Keep these operating instructions

and the refrigerant data page

near the unit.

■ The set up and installation of

the units and components may

only be carried out by expert

technicians.

■ Set up, connection and

operation of the unit and

components must be made

within the usage and operating

conditions according to the

instructions and valid regional

regulations.

■ The units for mobile use must be

set up on a suitable base, safe

to operate and vertically. Units

for stationary operation may

only be operated in permanently

installed condition.

■ Modification and changes of

units or components supplied by

REMKO are not permissible and

can cause malfunctions.

■ The units and components may

not be operated in areas with

increased danger of damage.

The minimum clearances must

be observed.

■ The electrical power supply must

be matched to the requirements

of the units.

■ The operational safety of the

units and components is only

ensured in case of proper and

destined use and in completely

installed condition. Safety

devices may not be changed or

bypassed.

■ Any units or components with

noticeable defects or damage

may not be put in operation.

■ All housing parts and unit

openings, such as air inlets and

outlets must be clear of foreign

objects, fluids or gases.

■ The units and components

require a sufficient safety

distance to inflammable,

explosive, combustible,

aggressive and contaminated

areas or atmospheres.

■ Contact with certain unit parts

or components can cause burns

or injuries.

■ Installation, repairs and

maintenance may only be

carried out by authorized

technicians, visual inspections

and cleanings can be made

by the operator, if the unit is

unplugged.

■ Suitable measures and

preparations must be made for

installation, repair, maintenance

and cleaning of the units to

eliminate danger from the unit

for personnel.

■ Do not subject the units or

components to mechanical

loads, extreme moisture and

direct sun

exposure.

Warranty

Prerequisite for any warranty

claims is that the purchaser or his

client has completely filled out

the "warranty registration card"

included with any unit within the

relevant time period of sale and

initial operation as well as the

„Start up protocol“ and returned

it to REMKO GmbH & Co. KG .

The warranty conditions are listed

in the „General business and

delivery conditions“. Above and

beyond these conditions, special

agreements can only be made

between contracting parties. For

that reason, please contact your

direct contracting party / dealer

first.

REMKO ATY

The room air conditioning units

ATY 260-350 have a REMKO

ATY...AT exterior section as well as

an interior unit ATY...IT.

The exterior section is used in

cooling operation to discharge

the heat, which was removed to

the exterior by the interior unit

from the room to be cooled. In

heater operation, the heat taken

up by the exterior section can be

discharged by the interior unit into

the room to be heated.

The exterior section can be

installed outside or in interior areas,

if certain requirements are met.

The interior unit is designed for the

upper wall area in the interior. It

is operated via an infrared remote

control.

The exterior section consists of a

coolant circuit with compressor,

ﬁn evaporator, evaporator fan,

reverse valve and restrictor. The

exterior section is controlled via

the regulation of the interior unit.

The interior unit consists of a

ﬁn evaporator, evaporator fan,

regulation and condensation pan.

Floor consoles, wall consoles,

refrigerant lines and condensation

pumps are available as accessories.

Unit description

The units are delivered in strong

transport packaging. Please check

the units immediately at delivery

and note any damage or missing

parts on the shipping papers

and inform the carrier and your

contracting party.

No warranty can be assumed for

later claims.

Transport and

packaging

Circuit diagram - coolant circuit - interior unit

Evaporator fan

Connection - suction line

Connection - injection line

Evaporator

The connection between the interior unit and the exterior unit is made

with refrigerant lines.

Exterior unit

System design

Injection line

Interior unit

Interior area

Exterior area

Blocking valve

Evaporator fan

Suction line

Condensation line

Electr. power supply line Control line

Diagram - Cooling circuit - exterior unit

Evaporator fan

Reverse valve

Evaporator Filter dryer Restrictor -

capillary tube

Connector valve

Injection line

Connector valve

Suction line

Compressor

Operation

Infrared remote control

The infrared remote control

sends the programmed settings

in a distance of up to 6 m to

the receiver of the interior unit.

Uninterrupted receipt of data is

only possible if the remote control

is directed to the receiver and no

obstacles hinder the transfer.

First insert the supplied batteries

(2 each, Type AAA) into the

remote control. To do so, pull

off the ﬂap of the battery

compartment and insert the

batteries correctly by polarization

(see marks).

The interior unit can be comfortably operated with the standard infrared remote control. The proper data transfer

is confirmed by the interior unit with a signal sound. If programming via the infrared remote control is not

possible, then the interior unit can also be operated manually.

Problems are shown in code

(see chapter Troubleshooting

and Customer service).

NOTE

Replace discharged batteries

immediately with a new set to

prevent battery leakage.

For longer down times, we

recommend removal of the

batteries.

NOTE

Display on interior unit

The display lights up according to the settings. In operation, the display

lights up, the selected mode and the nominal temperature are shown.

Manual operation

The interior unit can also be

operated manually. To do so, press

the button on the right side of

the unit to activate the automatic

mode.

In manual operation, the following

settings apply:

Automatic operation:

Above 21 °C = cooling operation,

set temperature 24 °C under

21 °C = heater operation, set

temperature 24 °C fan speed

AUTO

By pressing the button of the infra-

red remote control, the manual

operation is interrupted.

max. 6 m

1 Max. distance 6 m

Display on interior unit

Power

Unit turned on

Air circulation

mode set

Timer operation Fan speed

Stage 1, 2 and 3 and

Auto (blinking)

Display

of coded error

messages, room

and nominal

temperature

TURBO

SET

Ion generator

turned on

REMKO ATY

„ “ (SWING) button

This button directly activates

the oscillating function of the

ﬁns for better air distribution in

the room.

„TIMER“ button

With this button, the automatic

turn on or turn off time of

the unit is activated and

programmed with buttons

and at intervals of 10

minutes.

„“ button

This button increases the

value for time and timer

programming.

„“ button

This button reduces the

value for time and timer

programming.

„SET“ button

Pressing this button activates

the previously set timer.

„OFF “ button

When this button is pressed, a

shut off timer of 1/2, 1, 2 or 5

hours is activated.

„TURBO“ button

By pressing this button, the

maximum fan stage is activated

for 30 minutes.

„CLOCK“ button

By pressing this button, the

time setting is activated.

„DISP“ button

By pressing this button, the

current temperature on the

remote control is transmitted to

the unit in the I-Feel function.

„ION“ button

By pressing this button, the ion

generator is turned on.

2. Cooling mode

In this mode, the cold air in the

room is cooled down to the

desired temperature.

3. Heating mode

In this mode, the warm air in

the room is warmed up to the

desired temperature.

. Air circulation mode

In this mode, the air in the room

is recirculated.

. Dehumidiﬁcation mode

In this mode, the room is mainly

dehumidiﬁed, the adjusted

temperature is retained.

„FAN“ button

With this button, the desired

fan speed can be set. 4 stages

are available: Automatic, high,

medium and low fan stage.

„I FEEL“ button

With this button, the sensing of

the room temperature is moved

from the interior unit to the

remote control.

The temperature measured

on the remote control is then

transmitted to the interior unit

in certain intervals.

„ “ (SLEEP) button

After pressing this button, the

Sleep mode is activated and

in cooling operation, the

nominal temperature increases

automatically by 1 °C within an

hour, in heating operation, the

nominal temperature is lowered

by 1 °C within an hour. After

the 2. hour, the temperature

increases / decreases by 2°C.

After 6 hours, the function is

turned off.

Buttons of remote control

uttons of remote control

„ON/OFF“ button

Press this button to operate the

unit.

„“ button

With this button, the desired

temperature can be decreased

up to 16 °C.

„“ button

With this button, the desired

temperature can be increased

up to 30 °C.

„MODE“ button

With this button, the operating

mode is selected. The interior

unit has 5 modes:

1. Automatic mode

In this mode, the unit works in

cooling or in heating mode.

The transmission of the settings is shown by a symbol in the display.

Button functions

By pressing the ON / OFF button, you can activate or deactivate your

unit. The programmed settings and adjustment values before the unit

was turned off will appear in the display.

ON/OFF Button

ON/OFF ON/OFF

/ Buttons The remote control has its own temperature display. If buttons / are

pressed alternately, the display changes to . The  button can

be used to reduce the desired nominal temperature, the  button can be

used to increase it. This adjustment is only possible in cooling and heating

mode. In automatic mode, the ﬁxed temperature is reduced with the 

button from 24 °C by 1 or 2 °C and increased by 1 or 2 °C with button .

The current setting is shown next to the temperature display.

In dehumidiﬁcation mode, no temperature adjustment can be made.

Automatic mode

... ... 

Cooling / heating

mode

 

MODE Button Use the MODE button to select between the individual operating modes.

5 modes are available:

1. Automatic automatic selection of cooling or heating operation

2. Cooling predominantly summer operating mode

3. Heating predominantly winter operating mode

4. Air circulation only for air circulation

5. Dehumidiﬁcation Summer or winter operating mode

MODE

Automatic Cooling Heating Air circulation Dehumidiﬁcation

MODE MODE MODE MODE

REMKO ATY

In automatic mode, the regulation autonomously selects between heating

and cooling operation, when the unit is ﬁrst turned on. A nominal

temperature of 24 °C is preset. The regulating range is between 22 °C

and 26 °C. It can be increased or decreased by 1 °C with buttons /.

The fan speed cannot be changed.

AUTOMATIK mode

AUTOMATIC

MODE

In cooling mode, the air in the room is cooled down to the adjusted

nominal temperature. The desired room temperature is set with buttons

/ in 1 °C increments. If the room temperature is 1 °C above the

selected nominal temperature, then the interior unit starts to cool down

the air in the room. If the adjusted room temperature is lower than

approx. 0.5 °C, then the regulation turns the cooling function off. To

protect the compressor, the regulation only turns the cooling on again

after a waiting period of 3 minutes.

COOLING mode

COOLING

OPERATION

MODE

In the air circulation mode, the air in the room is only circulated.

The room temperature cannot be changed in this mode.

The cooling or heating operation is not activated.

AIR CIRCULATION MODE

AIR CIRCULATION

MODE

In the heating mode, you can heat the room in spring or fall. The desired

room temperature is set with buttons / in 1 °C increments. If the

room temperature is 1 °C below the selected nominal temperature, then

the interior unit starts to warm up the air in the room. If the adjusted

room temperature is exceeded by approx. 0.5 °C, then the regulation

turns the heater function off. To protect the compressor, the regulation

only turns the heater on again after a waiting period of 3 minutes.

HEATING mode

HEATING

OPERATION

MODE

The time can be programmed by pressing the CLOCK button under the

cover. The time blinks in the display and the current time can be set via

the button  and  under the cover. Programming is completed by

pressing the SET button, the display no longer blinks.

CLOCK Button (covered)



SET

CLOCK

The oscillating function of the air ﬁns can be adjusted with this button.

This makes it possible to directly switch between an adjusted position and

the oscillating function. The air distribution in the room is improved with

the swing function.

SWING Button (covered)

SWINGSWINGSWING

The fan speed can be adjusted with this button. A selection can be made

between low, medium, high and automatic fan speed.

FANFANFAN FAN

FAN Button

In the dehumidiﬁcation mode, the room temperature can be adjusted

between 18 °C and 30 °C. Due to the low temperature of the refrigerant,

the dew point of the air on the condenser is lower. The excess moisture in

the air is condensed on the condenser, the room is dehumidiﬁed. The fan

speed cannot be changed.

DEHUMIDIFICATION MODE

DEHUMIDIFICATION

MODE

SWING

REMKO ATY

With the button a programming function is activated, which causes

the nominal temperature in the cooling mode to increase after one hour

by 1 °C and after 2 hours by 2 °C . In the heating mode, the nominal

temperature is decreased after one hour by 1 °C and after 2 hours

by 2 °C.

SLEEP button (covered)

Nominal temperature +1°C

Unit operation

1st hour

Functional diagram

Operation

Stop

Nominal temperature +2°C

2nd hour 6th hour

1st hour 2nd hour 6th hour

Nominal temperature -2°C

Nominal temperature -1°C

SLEEPSLEEPSLEEP

TIMER B

utton (covered) The turn on and turn off time can be programmed with this button. By

pressing the TIMER button several times, the turn on, the turn off and

the combined turn on and off timer is activated. The turn on or turn off

time blinks. The timer display on the interior unit lights up. The desired

turn on or turn off time is set by pressing the buttons  and . After

completed adjustment, the timer symbol still blinks for approx.

15 seconds. After pressing the SET key, the programming is completed.

When the programmed time is reached, the unit turns on or off

automatically. When the unit is turned on automatically, then the mode,

the temperature and the fan speed of the last settings is reactivated.

The prior deletion of the on and off time is made by pressing the

corresponding timer button. The timer display on the interior unit turns

off.

PROGRAMMING TIMER ON

TIMER

\

SET

Unit in

operation

Programmed

time reached

/

PROGRAMMING TIMER ON/OFF The regulation turns the unit on or off after programming. In operation,

all settings are visible on the display. Out of operation, only the timer

settings are visible.

Unit On Unit Off Example:

The regulation turns on at 9:00.

The unit is in operation until 16:30.

TIMER OFF

(Covered) This button is used to program a decremental turn off timer. By pressing

the button several times, the timer can be set to 30 minutes, 1 hour,

2 hours, 3 hours or 5 hours. The current time is replaced by the still

remaining time.

OFF OFF OFF

With this button, the air volume ﬂow in cooling and heating operation is

increased for 30 minutes. This makes it possible to cool off or warm up

a room quicker. The ventilation and dehumidiﬁcation mode cannot be

obtained, the system changes to automatic mode.

After 30 minutes, the regulation returns to the last programmed settings.

TURBO Button (covered)

TURBOTURBOTURBO

PROGRAMMING TIMER OFF

TIMER



SET

Unit out of

operation

Programmed

time reached



REMKO ATY

The unit determines the actual temperature inside the wall unit. The

temperature near the remote control may deviate from that setting.

With the button, the temperature measured on the remote control is

transmitted to the wall unit, the nominal temperature does not change. A

continuing temperature reconciliation with the actual current temperature

of the remote control is made approx. every 5 minutes as long as the

function is turned on.

I FEEL button (covered)

I FEELI FEELI FEEL

In the I FEEL operating ode, the temperatures between the remote

control and the display on the unit may differ. With this button,

an immediate reconciliation is transmitted to the unit, the nominal

temperature does not change.

DISP Button (covered)

DISP

The unit is equipped with an ion generator to create negative ions. A

high concentration of negative ions is found for example in mountains,

near waterfalls and in forests and people perceive this inhaled air as

„clean“. Only a slight ion concentration is found in interior rooms. In this

case, the ion generator can enhance the ions to the oxygen molecules

of the surrounding air and can increase the feeling of well-being. In

addition, atmospheric particles and dust particles in the air are bound,

naturally cleaning the air. Any dust can settle on smooth surfaced due

to the ionization and can be removed manually. Weekly cleaning of the

housing and the ﬁlter should be observed when using the ionization

feature. The function is available in all operating modes.

ION Button (covered)

IONIONION

Maintenance

■

We recommend placing a

maintenance agreement with

an annual maintenance interval

with an appropriate company.

Taking the unit out of

operation

Time-limited shut down

1. Let the interior unit run for 2

to 3 hours in air circulation

mode or in cooling operation at

maximum temperature setting

to remove any residual moisture

from the unit.

2. Take the unit out of operation

with the remote control.

3. Turn the power supply of the

unit off.

4. Check the unit for visible

damage and clean it as

described in chapter „Care and

maintenance“.

Unlimited shut down

The disposal of the units and

components must be made

according to regionally valid

regulations, for example by

authorized certiﬁed disposal and

recycling companies or collection

points.

Contact REMKO GmbH & Co.

KG or your contract partner for

companies near you.

Care and maintenance

Regular care and maintenance

ensure problem-free operation and

long service life of the unit.

Care and maintenance work

may only be carried out if the

unit is disconnected.

CAUTION

Care

■

Keep the interior unit and the

exterior unit free of dirt, plant

covers and other deposits.

■

Clean the units only with a

damp cloth. Do not use harsh,

abrasive or solvent-containing

cleaners. Do not use a water

jet.

■

Before an extended shut down

period, clean the ﬁns on the

exterior unit and cover the

exterior unit with plastic to

avoid inﬁltration of dirt into the

unit.

Cleaning the housing on the

interior unit

1. Disconnect the power supply to

the unit.

2. Clean the unit with a soft damp

cloth.

3. Turn the power supply on

again.

Air ﬁlter of the interior unit

Clean the air ﬁlter at intervals of

no more than 2 weeks. Reduce this

time in case of very dirty air.

Cleaning the ﬁlter on the

interior unit

The interior unit is equipped with

a ﬁlter with antibacterial coating.

The ﬁlter cleans the air of dust and

thereby reduces the distribution of

bacteria.

1. Switch the interior unit via the

remote control to air circulation

(the front cover of the air inlet

must be open!) (Fig. 2).

Before any work on the units,

the power supply must be

disconnected and secured to

prevent it from being turned

on again!

CAUTION

This ensures continuous

operating safety of the system!

NOTE

REMKO ATY

Cleaning of condensation

pump (optional equipment)

An optional integrated or separate

condensation pump may be on the

interior unit, which pumps out any

accumulated condensation into

higher positioned drains.

Observe the care and maintenance

instructions in the separate

Operating instructions.

Type of work

Check / maintenance / inspection

Start up

Monthly

Semiannually

Annually

General • •

Check voltage and current • •

Check function of compressor • •

Check function of fan • •

Contamination of evaporator ﬁns • •

Check refrigerant quantity • •

Check condensation discharge • •

Check insulation • •

Check movable parts • •

2 Open front cover

6 Clean with lukewarm water

2. Open the lower display cover

on the front side of the unit

by pressing both latches

and carefully fold the cover

downward and remove it from

the bracket (Fig. 3).

3. Push the clips on the ﬁlter up

and pull it out on the clips

(Fig. 4).

4. Clean the ﬁlter with a

commercially available vacuum

cleaner. To do so, turn the dirty

side upward (Fig. 5).

5. Carefully clean off any dirt in

lukewarm water and with mild

cleaner. To do so, turn the dirty

side downward (Fig. 6).

6. When using water, allow the

ﬁlter to air dry completely

before reinsertion into the unit.

7. Carefully reinsert the ﬁlter.

Make sure it is seated correctly.

8. Close the display cover in

reverse order as described

above.

9. Set the desired operating mode.

4 Pull out the ﬁlter

5 Clean with a vacuum cleaner 3 Remove the display cover

Troubleshooting and Customer service

The units and components are manufactured with the most up-do-date manufacturing methods and are checked

several times for proper function. However, should a functional problems occur, please check the function

according to the chart below. When all functional checks have been completed and the unit still does not work

properly, please contact your dealer!

Problem Possible cause Check Remedy

The unit does not start or does

not turn off by itself.

Power failure, low voltage, main

fuse defective / main switch

turned off.

Are all other electrical devices

working?

Check voltage, possible wait until

turned on again.

Power line damaged. Are all other electrical devices

working? Repair by certiﬁed service center.

Waiting time after turn on too

short.

Have 5 minutes passed after

restart? Plan for longer waiting period.

Operating temperature fallen

below / exceeded.

Do the fans on interior unit and

exterior unit work?

Observe temperature ranges of

interior unit and exterior unit.

Power surge due to thunderstorm. Were there any lightning strikes

nearby lately?

Shut off main fuse and turn on

again.

Inspection by certiﬁed service

center.

Problem of external condensation

pump.

Did the pump turn off due to a

problem?

Check or clean the pump, if

necessary.

The unit does not react to

remote control.

Transmission distance too large /

receiving problem.

Is there a signal sound on the

interior unit when pressing the

button?

Reduce the distance to less than

6 m and change location.

Remote control is defective. Is the unit working in manual

operation? Replace remote control.

Receiver and transmitter are

exposed to too much sun

exposure.

Is it working in shade? Shade the transmitter and receiver.

Electromagnetic ﬁelds disrupt the

transmission.

Is it working after turning any

possible interfering sources off?

No signal transfer at simultaneous

operation of interfering sources.

Button of remote control stuck /

dual button control.

Does the “Send” symbol appear in

the display?

Release the button / press only

one button.

Batteries of remote control are

discharged.

Have new batteries been inserted?

Is the display incomplete? Insert new batteries.

The unit works at reduced or

no cooling output.

Filter is dirty / air inlet / outlet

opening is blocked by debris. Have the ﬁlters been cleaned? Clean ﬁlters.

Windows and doors are open.

Heating or cooling load has

increased.

Have there been any

constructional / user changes?

Close windows and doors / install

additional systems.

No cooling operation is set. Is the cooling symbol in the

display activated? Correct the adjustment of the unit.

Fins of the exterior unit are

blocked by foreign matter.

Does the fan of the exterior unit

work? Are the evaporator ﬁns

clear?

Check fan or winter regulation,

reduce air resistance.

Leaks in refrigerant circuit. Is frost formation visible on

connections of the exterior unit? Repair by certiﬁed service center.

Condensation discharge on unit.

Drain pipe of collector reservoir

plugged / damaged.

Is unrestricted condensation

discharge ensured?

Cleaning of drain pipe and

collector reservoir.

External condensation pump or

ﬂoater defective.

Is the catch pan full of water and

the pump is not working?

Have pump replaced by certiﬁed

service center.

Non-discharged condensation is in

the condensation line.

Is the condensation line routed

downward or not plugged?

Route the condensation line

downward or clean it.

Condensation cannot be

discharged.

Are the condensation lines clear

and routed downward? Does the

condensation pump and the ﬂoater

switch work?

Route the condensation line

downward or clean it. If the ﬂoater

switch or the condensation pump is

defective, have them replaced.

Functional problem

REMKO ATY

Problem display by blinker code

Display Cause What to do ?

88 blinks Loss of power for 3 minutes Turn off and on again

E1 blinks Communication error Display regulation Contact dealer

E2 blinks Air circulation sensor on interior unit is defective / triggered Contact dealer

E3 blinks Antifreeze sensor interior unit defective / triggered Contact dealer

E4 blinks Evaporator fan motor speed too low / defective Contact dealer

E5 blinks No cooling / heating output after approx. 30 min. Contact dealer

E6 blinks Low voltage fuse triggered Contact dealer

E7 blinks Communication error Contact dealer

Installation instructions for technicians

Important notes before

installation

■

Select the installation location

to ensure clear air input and

output. (See section „Minimum

clearances“).

■

Do not install the unit in

the immediate vicinity of

devices with intensive thermal

radiation. Installation near

thermal radiation reduces the

unit output.

■

Open the blocking valves of the

refrigerant lines only after the

installation is complete.

■

Seal off open refrigerant lines

with suitable caps or adhesive

strips to avoid inﬁltration of

moisture and never kink or

compress the refrigerant lines.

■

Avoid unnecessary bends.

You thereby minimize loss of

pressure in the refrigerant lines

and ensure clear return ﬂow of

the compressor oil.

■

Make special preparations

regarding the oil return when

the exterior unit is located

above the inner unit. (See

section „Oil return ﬂow

measures“).

■

If the single length of the

refrigerant lines exceeds

5 meters, then refrigerant has

to be added. For the quantity of

additional refrigerant, refer to

chapter „Add refrigerant“.

■

Only use the union nuts for

the refrigerant lines provided

in the delivery scope, and

remove them just shortly before

connecting them with the

refrigerant lines.

■

Make all electrical connections

according to valid DIN and DE

regulations.

■

Always attach electrical lines

properly in electrical clamps.

Otherwise a ﬁre could result.

The assembly and installation

of the units and components

may only be carried out by

especially trained technicians.

NOTE

■

Locate the unit in original

packaging as close as possible

to the installation point to

avoid transport damage.

■

Check the contents of the

packaging for completeness

and check the unit for visible

transport damage. Report

any damage immediately to

your contracting party and the

shipping company.

■

Lift the unit on the corners

and not on the refrigerant or

condensation connections.

■

The refrigerant lines (injection

and suction line), valves and

connections must be insulated

impervious to vapor diffusion.

If necessary, insulate the

condensation line also.

REMKO ATY

Selection of the installation

location

The interior unit is designed for

horizontal wall installation in the

upper wall area (at least 1.75 m

from the upper edge - ﬂoor).

However, it can also be used in the

upper wall area above doors.

The exterior unit is designed

for horizontal base installation

externally. The placement location

of the unit must be horizontal,

level and ﬁrm. In addition, the unit

must be secured to prevent it from

tipping over. The exterior unit can

be set up outside as well as inside

a building. For external installation,

please observe the following

notes to protect the unit from

atmospheric conditions.

Wall openings

■ A wall opening of at least 70

mm diameter and 10 mm slope

from the inside to the outside

must be made for each interior

unit.

■ We recommend to pad the hole

inside or to cover it for example

with a PVC pipe to avoid

damage to the lines.

■ After installation, the wall

opening should be closed off on

the building side with a suitable

sealant. Do not use cement or

lime containing substances!

Installation material

The interior unit is attached with 4

screws on the building side, through

the back wall of the unit.

The exterior unit is attached with

4 screws via a wall bracket on

the wall or a ﬂoor bracket on the

ground.

Rain

For attic or roof set up, the unit

should be installed with at least

10 cm ground clearance. A ﬂoor

bracket is available as optional

equipment.

Sun

The evaporator ﬁns of the exterior

unit are the heat discharge

components in cooling operation.

Sun exposure increases the

temperatures of the ﬁns and

therefore reduces the heat

discharge for the evaporator

ﬁns. The exterior unit should be

set up on the north side of the

building, if possible. If necessary,

a shade should be installed on the

side of the building. This can be

something like a small roof.

However, the discharging warm air

ﬂow may not be affected by the

measures.

Wind

If the unit is installed in windy

areas, then it should be ensured

that the building discharged warm

air ﬂow is carried away with

the main wind direction. If this

is not possible, wind protection

should be installed on the building

site. Make sure that the wind

protection does not affect the air

supply to the unit.

20 cm

Snow

Minimum distance to snow

Wind protection

Wind

Snow

In areas with heavy snowfall, you

should install the unit on a wall.

The installation should be at least

20 cm above expected snow levels

to avoid inﬁltration of snow into

the exterior unit. A wall bracket is

available as optional equipment.

Lines in wall opening

Control line

Condensation line

Injection line

Suction line

PVC pipe

Install the exterior unit

with appropriate anchors,

depending on the type of wall.

NOTE

Set up inside a building

■

Make sure there is sufﬁcient

heat discharge, if the exterior

unit is set up in the basement,

the attic, in secondary rooms or

hallways (Fig. 7).

■

Install an additional fan with

the same air volume ﬂow as

the exterior unit installed in the

room, which can compensate

for any possible additional

pressure losses through air

channels (Fig. 7).

■

Ensure a continuing unimpaired

air supply from outside, if

possible through opposite,

sufﬁciently large air openings

(Fig. 7).

Minimum clearances

The minimum clearances are to

be provided for maintenance and

repair work and for optimum air

distribution.

ATY 260 AT ATY 350 AT

A 100 mm 100 mm

B 700 mm 700 mm

C 400 mm 400 mm

D 100 mm 100 mm

E 300 mm 300 mm

■

Observe the static and

other construction technical

regulations and conditions

regarding the building and,

if necessary, provide sound

insulation.

Minimum clearances

1000

Air inlet

Air

discharge

Warm air Cold

fresh air

Light well

Exterior unit

Warm air

Light well

Additional fan

7 Set up inside the building

300

REMKO ATY

Connection variations of

inner unit

Unit installation

When attaching the interior unit,

pay attention to the lower, upper

and side area air discharge.

1. Mark the mounting points on

the statically admissible building

sections, according to the

dimensions of the unit.

2. Open the display cover (Fig.

8) and remove the two screws

underneath the ﬁlter (Fig. 9).

3. Remove the front of the unit

by lifting the front in the lower

area from the body approx. 10

cm and folding it upward

(Fig. 10).

4. Pull the plugs of the front cover

from the circuit board (Fig. 11).

5. If necessary, remove the break

out opening of the housing.

6. Install the unit on the wall.

7. Connect the refrigerant,

electrical and condensation line

to the interior unit, as described

below.

8. Recheck the horizontal

alignment of the unit.

9. Reassemble the unit.

Installation of the interior unit

The wall bracket for the unit must

be attached with suitable screws

and anchors.

Installation

The installation may only

be made by authorized

technicians.

NOTE

Oil return measures

If the exterior unit is located at a

higher level than the interior unit,

then suitable oil return measures

must be made. This is usually done

by fabricating an oil lift ﬁtting,

which is to be installed for each

2.5 ascending meter.

Oil return measures

Exterior unit

Oil lift ﬁtting in the

suction line to the

exterior unit

1 x for each 2.5

ascending meter

Radius:

50 mm

max. 5 m

exterior unit

Open display cover

Connection variations

1 Outlet on the wall, right

2 Outlet through the wall, right

3 Outlet through the wall, left

4 Outlet on the wall, left

View from the rear

Remove screws

Release the unit

front

Pull off the plug

The units have been filled at

the factory with dry nitrogen to

check for leaks.

The pressurized nitrogen will

be released when the union

nuts are loosened.

CAUTION

Connection of

refrigerant lines

The on site connection of the

refrigerant lines is made inside the

unit.

If necessary, a reducer or

expansion ﬁtting must be installed

on the interior units. These ﬁttings

are part of the accessory kit

provided with the interior unit.

After assembly, the connections

must be insulated impervious to

vapor diffusion.

The following instructions describe

the installation of the refrigerant

circuit and the assembly of the

interior unit and the exterior unit.

Check the „Technical Data“

chart for the required pipe

diameters and connect the

refrigerant line.

2. To bend the copper tubing, use

the appropriate bending tool to

prevent kinks in the tubing.

3. At installation, check the

bending radii of the refrigerant

lines and never bend a pipe

twice at the same location.

This could result in brittleness

and danger of cracks.

4. Route the refrigerant lines from

the interior unit to the exterior

unit. Make sure they are

sufﬁciently attached and take

measures for the oil return, if

necessary!

5. Install the exterior unit with the

wall or ﬂoor bracket to statically

admissible building sections

(pay attention to the installation

instructions for the brackets).

6. Make sure that no body

vibration is transferred to part

of the building. Body

vibration transfers are reduced

by vibration dampers!

7. Remove the factory installed

protective caps as well as the

union nuts on the blocking

valve connections and use them

for further installation.

8. Before ﬂanging the refrigerant

lines, make sure, that the union

nut is on the pipe.

9. Prepare the routed refrigerant

lines as shown below

(Fig. 12+13, page 23).

10.

Check if the ﬂange has the

correct shape (Fig. 14,

page 23).

11.

Connect the refrigerant lines

with the blocking valves ﬁrst by

hand, to ensure proper seating.

Use only tools which are

approved for use in an HVAC

environment. Pipe cutter,

deburrer, bending pliers and

ﬂanging tool.

NOTE

12.

Then tighten the ﬁttings with

2 properly sized open-ended

wrenches.

In any case, while tightening,

counter with one open-ended

wrench (Fig. 15, page 23).

13.

Apply appropriate heat

insulation to both installed

refrigerant lines, including

connector.

14.

Only use insulating hoses

suitable and diffusion-safe or

the temperature range.

Additional notes for

installation

■

For the combination of the

exterior unit with some interior

units, the connection of the

refrigerant lines may differ. In

that case, install the provided

reducer or expansion ﬁttings to

the interior unit.

■

If the length of the connector

line is longer than

5 m, then refrigerant must be

added for initial operation. (See

chapter „Add refrigerant“).

REMKO ATY

Flanging tool

Flanging the refrigerant line

Refrigerant line

Deburrer

12 Deburring the refrigerant line

14 Correct ﬂange shape

Tighten 1. open-ended wrench

Counter

2. open-ended wrench

15 Tighten ﬁttings

Tightening

torque:

14“

12-16 Nm

38“

28-32 Nm

12“

40-44 Nm

58“

64-68 Nm

Leakage test

When all connections are made,

the pressure gauge station is

connected to the corresponding

Schrader valve connections, if

present:

red = small valve

= Injection pressure

blue = large valve

= Suction pressure

After completed connection, the

leakage test is carried out with dry

nitrogen.

A vacuum of min. 0.05 mbar

must be created!

NOTE

The duration of the vacuum

creation depends on the pipe line

volume of the interior unit and

the length of the refrigerant lines,

however, the procedure takes at

least 60 minutes.

When foreign gases and moisture

have been completely removed

from the system, the valves on the

pressure gauge station are closed

and the valves of the exterior unit

as opened, as described in chapter

„Start up".

Before the leakage test, the

pipe connections must be

checked.

CAUTION

For the leakage test, the

established connections are

sprayed with leak detection spray.

If air bubbles are visible, then the

connection has not been made

properly. Retighten the ﬁtting or, if

necessary, make a new ﬂange.

After successful leakage test, the

excess pressure in the refrigerant

lines is removed and a vacuum

pump with the absolute ﬁnal

partial pressure of min. 0,01 mbar

is used to remove all the air and

empty the lines. In addition, any

existing moisture is also removed

from the lines.

All electrical installations must

be made by certified electrical

companies. The installation of

the electrical connections must

be made voltage-free.

CAUTION

Condensation

connection

Due to the dew point shortfall on

the evaporator, condensation is

created on the interior unit during

the cooling operation and on the

exterior unit during the heating

operation.

Below the evaporator is a catch

pan, which must be connected

with a drain.

■

The building side condensation

line must be routed at a down

slope of min. 2 % (Fig. 11).

If necessary, prepare a vapor

proof insulation.

■

Route the condensation line

of the unit freely into the

drain line. If the condensation

is routed into a wastewater

disposal line, provide an anti-

siphon trap.

■

When operating the unit at

ambient temperatures below

0 °C , make sure to route the

condensation line freeze proof.

If necessary, provide a pipe

heating system.

■

After completed routing, check

for unobstructed condensation

discharge and ensure that a

permanent seal is provided.

Electrical connection

A power line must be installed as

power supply to the interior unit

and a control line to the exterior

unit, with appropriate safeguards.

■

We recommend to install a

main / repair switch on the

building near the interior unit.

■

The power supply is made to

the interior unit, the exterior

unit is supplied via a control

line from the interior unit to the

exterior unit.

■

The strip terminals for the

connections are behind the

cover of the exterior unit.

■

If an optionally available

condensation pump is used on

the unit, then - for the shut

off contact of the pump - an

additional relay to increase the

switching power to shut off the

compressor might be needed.

■

If the lines are routed in areas

with strong magnetic ﬁelds,

then the control lines should be

shielded.

■

The electrical safeguard of the

system is made according to the

Technical data.

The condensation hose is designed

to be installed on the right and the

left side (view from front). Remove

the plug at the corresponding

connection.

Slope of condensation line

minimum

2% slope

Condensation connection - exterior unit

Opening for

condensation connection

Condensation pan

of exterior section

Condensation

connection, right or left

Condensation connection-Interior unit

A condensation pump cannot

be installed within the units.

NOTE

REMKO ATY

Connection of interior unit

Make the connection as follows:

1. Remove the front of the unit,

as described in chapter „Device

installation“.

2. Select the diameter of the

connection line according to

regulations.

3. Connect the unit with the

power supply line and the

control line to the exterior unit

(see electrical wiring schematic).

4. Reassemble the unit.

Connection of interior unit

Terminal bar /

control bar

Connection of the

exterior unit

To connect the line, proceed as

follows:

1. Remove the unit cover.

2. Remove the side wall at the

connection.

3. Guide the line through the edge

protection ring of the ﬁxed

connection plate.

4. Connect the line according to

the wiring schematic.

5. Anchor the line in the pull relief

and reassemble the unit.

Power supply line

Check all electrical plug and

terminal connections for

tight and permanent seating,

retighten, if necessary.

NOTE

Electrical wiring

schematic

ATY 260 / ATY 350

Exterior section Interior unit Power supply line

Fan motor

230 V~,

50 Hz,

L1 / N

/ PE

Control conductor

Compressor guard

Control conductor

Ground

Reverse valve

Neutral conductor

External

conductor

Grounding

conductor

Before start up

After successful leakage test, the

vacuum pump must be connected

with the pressure gauge station

to the valve connections of the

exterior unit (see chapter „Leakage

test“) to create a vacuum.

Before initial start up of the units

and after entry into the refrigerant

circuit, the following tests must be

Add refrigerant

The units have a base antifreeze

ﬁlling. In addition, for refrigerant

line length of more than 5 meters

per circuit, an additional amount

of refrigerant must be added,

according to the following chart:

ATY 260 ATY 350

Single line

length Additional quantity

Up to and

including 5 m 0 g/m

5 m to

max. 15 m 10 g/m

Make sure that the refrigerant

in use is always supplemented

in liquid form!

NOTE

Electrical wiring schematic

made and documented in the start

up protocol:

■

Check all refrigerant lines and

valves with leak detection spray

or soapy water for leaks and for

inadvertent mix up of suction

and injection line.

With the unit at a standstill.

■

Check the refrigerant lines and

insulation for damage.

■

Check the electrical connection

between the interior unit and

the exterior unit for correct

polarity.

■

Check all mountings,

suspensions etc. for proper

support and correct level.

When handling refrigerant,

always were appropriate

protective clothing.

CAUTION

Power

supply

line

Swingmotor

Lamelle 1

Swingmotor

Lamelle 2

Swingmotor

Lamelle 3

Hubmotor

Front 1

Hubmotor

Front 2

CN 6 CN 8 CN 9 CN 10 CN 11 CN 1 CN 4

1 2 3 4 5

1 2 3

1N 2 3 4 5

CN 5

1 2 3 4

CN 7

1 2 3 4

Sensor Umluft

Sensor Frostschutz

Anzeigedisplay

Taste

manueller Betrieb

1 2

Sicherung

250V 3A N3

Ry2

Ry3

Ry1

Ry3

CN 3

1 2 3

Ionen-Generator

N L PE

Display

Antifreeze sensor

Air circulation sensor

Evaporator

fan

Swing motors

Ion generator

Fuse

Lift motors

Button

manual operation

Control

line

RD RD

Control

line

Evaporator fan

Com-

pressor

Condenser, combined

Reverse valve

ATY 260 AT / ATY 350 AT

Color identiﬁcation

WH = White

BU = Blue

BR = Brown

BK = Black

RD = Red

YE = Yellow

ATY 260 IT / ATY 350 IT

REMKO ATY

Start up

After all components are

connected and tested, the system

can be put into operation. To

ensure proper function, a function

test should be made to recognize

any irregularities during operation

of the units before transfer to the

client.

Function test and test run

Check the following points.

■

Leak tightness of refrigerant

lines.

■

Even run of compressor and

fan.

■

Discharge of cold air on the

interior unit and heated air on

the exterior unit during cooling

operation.

■

Function test of the interior unit

and all program runs.

■

Check of the surface

temperature of the suction

line and determination of

evaporator overheating. To

measure the temperature, hold

the thermometer to the suction

line and subtract the boiling

point temperature reading on

the pressure gauge from the

measured temperature.

■

Documentation of the

measured temperatures in the

start up protocol.

Function test of Cooling

operating mode

1. Remove the caps on the valves.

2. Start operation by opening

the blocking valves of the

exterior unit momentarily until

the pressure gauge shows a

pressure of approx. 2 bar. .

3. Check all connections for leaks

with leak detection spray and

suitable leak detectors.

4. If not leaks are found, open the

blocking valves by turning them

in counterclockwise direction

with a hexagon wrench to the

stop. If leaks were found, draw

off the refrigerant and rework

the defective connection. In

this case, a new vacuum and

drying procedure is imperatively

required!

5. Turn the main switch on the

building or the fuse on.

6. Turn the unit on via the remote

control and select the cooling

mode, maximum fan speed and

lowest nominal temperature.

7. Measure all required values,

record them in the start up

protocol and check the safety

functions.

8. Check the unit control with

the functions described in

chapter „Operation“.

Timer, temperature setting, fan

speed and change between air

circulation or dehumidiﬁcation

mode.

9. Check the function of the

condensation line by pouring

distilled water into the

condensation pan.

To do so, use a spout to guide

the water into the condensation

pan.

10.

Switch the interior unit to

cooling mode.

11.

Check all regulating, control

and safety devices for function

and correct adjustment during

the test run.

12.

Check the control of the

interior unit with the functions

described in the operating

instructions

(Timer, temperature

adjustments and all mode

settings).

13.

Measure the overheating,

external, internal, discharge and

evaporator temperatures and

record the test data in the start

up protocol.

14.

Remove the pressure gauge

and install the caps.

The start up may only be

made by especially trained

technicians and must be

documented accordingly.

NOTE

Due to the turn on delay, the

compressor will start up a few

minutes later.

NOTE

Then check the blocking valves

for leaks.

NOTE

Final tasks

■

Reinstall all parts which were

removed.

■

Familiarize the operator with

the system.

Unit dimensions

ATY 260 AT / ATY 350 AT

Dimensional and design changes to advance technical progress are reserved.

ATY 260 IT / ATY 350 IT

265

245

532

148

567

All measurements in mm

720

623

495

470

396

REMKO ATY

Technical data

Series ATY 260 ATY 350

Operating mode Wall / room air conditioner combination for cooling and heating

Nominal cooling output 1) kW 2,69 3,56

Nominal heat capacity 2) kW 3,05 3,99

Energy efﬁciency class Cooling EER 1) B B

Energy efﬁciency class Heating COP 2) B B

Energy efﬁciency size EER 1) 3,02 3,04

Energy efﬁciency size COP 2) 3,43 3,41

Operating range (room volume), approx. m³ 80 110

Refrigerant R 410A R 410A

Operating pressure, max. per cooling circuit kPa 3800/1200 3800/1200

Power supply V/Hz 230/1~/50 230/1~/50

Electr. nominal power consumption Cooling 1) kW 0,89 1,17

Electr. nominal power consumption Heating 2) kW 0,89 1,17

Electr. nominal current consumption Cooling 1) A 4,10 5,60

Electr. nominal current consumption Heating 2) A 4,00 5,40

Electr. starting current, max. A 20 25

Refrigerant connection - injection line Inch (mm) 1/4 (6,35) 1/4 (6,35)

Refrigerant connection - suction line Inch (mm) 3/8 (9,52) 1/2 (12,7)

Associated interior unit

ATY 260 IT ATY 350 IT

Operating range °C +16 to +32 +16 to +32

Adjustment range - Cooling °C +18 to +30 +18 to +30

Adjustment range - Heating °C +16 to +28 +16 to +28

Air volume per stage m³/h 360/390/420 380/410/440

Protection type IP X0 X0

Sound pressure level per stage 3) dB(A) 33/36/40 35/37/41

Dimensions Height mm 567 567

Width mm 567 567

Depth mm 148 148

Weight kg 12,0 12,0

Associated exterior unit

ATY 260 AT ATY 350 AT

Operating range - Cooling °C +21 to +45 +21 to +45

Operating range - Heating °C -7 to +21 -7 to +21

Air volume, max. m³/h 1340 1890

Protection type IP X4 X4

Sound pressure level, max. 3) dB(A) 45 49

Refrigerant, base quantity kg 0,63 0,83

Refrigerant, additional quantity > 5 m g/m 10 10

Refrigerant line, length max. m 15 15

Refrigerant line, height max. m 5 5

Dimensions Height mm 532 532

Width mm 720 720

Depth mm 245 245

Weight kg 28,0 32,0

Serial number 740... 741...

EDV-No. 1619260 1619350

1) Air inlet temperature TK 27°C / FK 19°C, outside temperature TK 35 °C, FK 24 °C, max. air volume ﬂow

2) Air inlet temperature TK20, outside temperature TK 7 °C / FK 6 °C, max. air volume ﬂow

3) Distance 1 m clear ﬁeld

Unit illustration ATY 260 IT / ATY 350 IT

For spare parts orders, please also provide the unit serial no. and unit type (see data tag) in addition to the EDV-No!

Spare parts list

No. Description ATY 260 IT ATY 350 IT

1 Cover - air inlet 1107400 1107400

2 Cover - display 1107401 1107401

3 Air ﬁlter 1107402 1107402

4 Display circuit board 1107403 1107403

5 Lift motor, set 1107404 1107404

6 Swing motor 1107405 1107405

7 Air outlet ﬁns, set 1107406 1107406

8 Condensation pan 1107439 1107439

9 Fin evaporator 1107408 1107409

10 Fan wheel, evaporator 1107410 1107410

11 Fan motor, evaporator 1107442 1107443

12 Control circuit board 1107440 1107441

13 Ion generator 1107415 1107415

14 Housing angle, set (right & left) 1107416 1107416

15 Mounting clip - cover, set 1107417 1107417

16 Antifreeze sensor / air circulation sensor 1107418 1107418

17 IR remote control 1107419 1107419

678

REMKO ATY

Dimensional and design changes to

advance technical progress are reserved.

Product illustration ATY 260 AT / ATY 350 AT

Spare parts list

For spare parts orders, please also provide the unit serial no. and unit type (see data tag) in addition to the EDV-No!

No. Description ATY 260 AT ATY 350 AT

1 Front wall 1107421 1107421

2 Fan blade, evaporator 1107422 1107422

3 Fan motor, evaporator 1107423 1107424

4 Evaporator ﬁn 1107425 1107426

5 Side section, right 1107427 1107427

6 Compressor, cpl. 1107428 1107429

7 Condenser, compressor, evaporator fan 1107430 1107431

8 Blocking valve, suction line 1107434 1107435

9 Blocking valve, injection line 1107436 1107436

10 Reverse valve 1107437 1107437

11 Side section, left 1107438 1107438

Dimension and design changes to advance technical progress are reserved.

Technical changes reserved, no responsibility is assumed for the correctness of this data!

REMKO THROUGHOUT EUROPE

… and right around the corner from you!

Take advantage of our experience and consulting services

Consulting service

We constantly keep the expert

knowledge of our consultants

up-do-date through intensive

training. This has earned the

reputation that we are more than

only a good, reliable supplier:

REMKO, a partner who ﬁnds a

solution to any problem.

Sales

REMKO provides not only a

well-established distribution

network at home and abroad,

but also an exceptionally highly

qualiﬁed sales staff.

REMKO staff members in the

ﬁeld are more than just sales

people: Above anything, they

are able to advise our customers

about cooling and heating

technology.

Customer service

Our units operate precisely

and reliably. However, should a

problem occur, then REMKO's

Customer service is quickly on

site. Our extensive network of

experienced dealers guarantees

quick and reliable service at all

times.

REMKO GmbH & Co. KG

Cooling and heating technology

Im Seelenkamp 12 · 32791 Lage

P.O. Box 1827 · 32777 Lage

Phone +49 5232 606-0

Fax +49 5232 606-260

E-mail info@remko.de

Internet www.remko.de

Hotline

Consulting services, Sales Cooling

technology

+49 5232 606-160

Consulting services, Sales Heating

technology

+49 5232 606-100

Sales - Spare parts

+49 5232 606-210

Export

+49 5232 606-130

Service

+49 5232 606-200

REMKO ATY350 Handleiding

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