Table of Contents
Related Manuals for REMKO ATY DC Series
Summary of Contents for REMKO ATY DC Series
- Page 1 Assembly and operating instructions REMKO ATY...DC ATY 265 DC, ATY 355 DC, ATY 525 DC Inverter wall-mounted room air conditioner with split design Read the instructions prior to performing any task! 0124-2017-03 Edition 1, en_GB...
- Page 2 Read these operating instructions carefully before commis- sioning / using this device! These instructions are an integral part of the system and must always be kept near or on the device. Subject to modifications; No liability accepted for errors or mis- prints! Installation and operating instructions (translation of the orig- inal)
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Page 3: Table Of Contents
Table of contents Safety and usage instructions......................5 1.1 General safety notes........................5 1.2 Identification of notes........................5 1.3 Personnel qualifications........................5 1.4 Dangers of failure to observe the safety notes................5 1.5 Safety-conscious working....................... 5 1.6 Safety notes for the operator......................6 1.7 Safety notes for installation, maintenance and inspection.............. - Page 4 REMKO ATY...DC Commissioning........................... 42 Troubleshooting and customer service.................... 44 11.1 Troubleshooting and customer service..................44 11.2 Indoor unit fault analysis......................46 Care and maintenance........................59 Shutdown............................. 61 Exploded view and spare parts lists....................62 14.1 Exploded view - Indoor unit......................62 14.2 Spare parts list - Indoor unit......................
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Page 5: Safety And Usage Instructions
Safety and usage instructions CAUTION! This combination of symbol and signal word 1.1 General safety notes warns of a potentially hazardous situation, which if not avoided may cause injury or mate- Carefully read the operating manual before com- rial and environmental damage. missioning the units for the first time. -
Page 6: Safety Notes For The Operator
"certificate of warranty" to conditions stipulated in this manual and comply REMKO GmbH & Co. KG at the time when the with all applicable regional regulations. units are purchased and commissioned. -
Page 7: Transport And Packaging
1.11 Transport and packaging The devices are supplied in a sturdy shipping con- tainer. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner. For later complaints can not be guaranteed. -
Page 8: Technical Data
REMKO ATY...DC Technical data 2.1 Unit data Series ATY 265 DC ATY 355 DC ATY 525 DC Inverter wall-mounted room air conditioner combination Operating mode for cooling and heating 2.64 (1.17-3.31) 3.52 (1.26-4.45) 5.28 (1.83-6.11) Nominal cooling output Energy efficiency ratio SEER Electrical rated power consumption, 0.79... - Page 9 Data specific to indoor unit ATY 265 DC IT ATY 355 DC IT ATY 525 DC IT Application area (room volume), approx. Adjustment range, room temperature °C +17 to +30 Air flow volume per level m³/h 240/300/400 270/350/500 480/620/740 dB (A) 26/31/37 27/30/37 33/36/40...
- Page 10 REMKO ATY...DC Data specific to outdoor unit ATY 265 DC AT ATY 355 DC AT ATY 525 DC AT V/Ph/ Power supply 230 / 1~ / 50 Operating range, cooling °C +5 to +30 °C +5 to +50 Operating range, heating Air flow rate, max.
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Page 11: Unit Dimensions
2.2 Unit dimensions Outdoor units Fig. 1: Outdoor unit dimensions ATY 265-525 DC AT Dimensions (mm) ATY 265 DC AT ATY 355-525 DC AT Indoor units Fig. 2: Indoor unit dimensions ATY 265-525 DC IT Dimensions (mm) ATY 265 DC IT ATY 355 DC IT ATY 525 DC IT 1004... -
Page 12: Performance Curves For Heating And Cooling
REMKO ATY...DC 2.3 Performance curves for heating and cooling Heating capacity ATY 265 DC 6,50 6,00 5,50 5,00 4,50 4,00 3,50 3,00 2,50 2,00 1,50 1,00 0,50 0,00 [°C] Fig. 3: Performance curves, heating ATY 265 DC (data for 20 °C indoor temperature) A: Outside temperature / 1: COP 2: Heating capac. - Page 13 Heating capacity ATY 355 DC 6,50 6,00 5,50 5,00 4,50 4,00 3,50 3,00 2,50 2,00 1,50 1,00 0,50 0,00 [°C] Fig. 5: Performance curves, heating ATY 355 DC (data for 20 °C indoor temperature) A: Outside temperature / 1: COP 2: Heating capac.
- Page 14 REMKO ATY...DC Heating capacity ATY 525 DC 6,50 6,00 5,50 5,00 4,50 4,00 3,50 3,00 2,50 2,00 1,50 1,00 0,50 0,00 [°C] Fig. 7: Performance curves, heating ATY 525 DC (data for 20 °C indoor temperature) A: Outside temperature / 1: COP 2: Heating capac.
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Page 15: Design And Function
Design and function 3.1 Unit description The ATY 265-525 DC room air conditioners have a REMKO ATY...AT outdoor unit as well as an ATY...IT indoor unit. In cooling mode, the outdoor unit serves to output the heat extracted by the indoor unit from the room being cooled. -
Page 16: Operation
REMKO ATY...DC Operation 4.1 General notes Alarms are indicated by a code (see chapter The indoor unit is easily operated using the Troubleshooting and customer service). standard infrared remote control. The indoor unit beeps to acknowledge the correct transmission of data. -
Page 17: Keys On The Remote Control
4.3 Keys on the remote control "SLEEP" key Activates/deactivates the "SLEEP" function. Pressing this key will automatically increase or decrease the target temperature by 1 °C within an hour in cooling and heating mode respectively. Press this key to maintain the most convenient temperature and save energy. - Page 18 REMKO ATY...DC "TIMER ON" key Indicators on the LCD This key initiates the automatic switch-on time for the unit. Each press of this key increases the delay time by 30 minutes. When the set time on the dis- play exceeds 10.0, each press of the button increases the set time by 60 minutes.
- Page 19 "Cooling", "Heating" and "Recirculation" mode Make sure that the indoor unit is connected to the power supply, and is switched on. The illustration of the LCD with all of the sym- bols present is only intended to provide a Press the "MODE"key to select from oper- clearer overview.
- Page 20 REMKO ATY...DC "Dehumidification" mode "Timer" mode Make sure that the indoor unit is connected to the Press the "TIMER ON" key to set the "Auto on" power supply, and is switched on. time and the "TIMER OFF" key to set the "Auto off"...
- Page 21 Setting the "Auto off" time Example TIMER function settings Press the "TIMER OFF" key. The remote "TIMER ON" (Auto on mode) control shows "TIMER OFF", the last "Auto Example: off" time setting and the symbol "H" appears on the display. The unit is now ready to reset You want the air conditioning unit to switch on six the "Auto off"...
- Page 22 REMKO ATY...DC Combined TIMER (setting "TIMER ON" and "TIMER ON ð "TIMER OFF" "TIMER OFF" at the same time) (Off ð Start ð Stop) "TIMER OFF ð "TIMER ON" Example: (On ð Stop ð Start) You want the air conditioning unit to switch on in...
- Page 23 SLEEP function The sleep function saves energy while you sleep. This function is activated by pressing the key on the remote control. Press the key before going to sleep. In cooling mode, the unit automatically increases the set room temperature by 1 °C after 1 hour.
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Page 24: Installation Instructions For Qualified Personnel
REMKO ATY...DC Installation instructions for qualified personnel 5.1 Important notes prior to instal- 5.2 Wall openings lation A wall opening of at least 70mm diameter and 10mm incline from the inside to the outside Transport the unit in its original packaging as must be created. -
Page 25: Selection Of Installation Location
5.4 Selection of installation Wind location If the unit is being installed in windy areas, ensure that the warm outlet air is discharged in the pre- Indoor unit vailing wind direction. If this is not the possible, it The indoor unit is designed for horizontal wall may be necessary to install a windbreak (to be pro- installation above doors. - Page 26 REMKO ATY...DC Fig. 29: Installation inside buildings K: Cold fresh air W: Warm air 1: Outdoor unit 2: Additional fan 3: Air shaft...
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Page 27: Minimum Clearances
5.5 Minimum clearances Observe the minimum clearances to allow access for maintenance and repair work and facilitate optimum air distribution. Fig. 30: Minimum clearances of the indoor unit and outdoor unit AT: Outdoor unit Air inlet IT: Indoor unit Air outlet Indoor units Outdoor units Dimensions... -
Page 28: Connection Variants For The Indoor Unit
REMKO ATY...DC 5.7 Connection variants for the indoor unit The following connection variants can be used for the refrigerant, condensate and control lines. Fig. 32: Connection variant (view from the rear) A: Infeed of the refrigerant piping at the wall, left... -
Page 29: Installation
Installation Once the panel has been opened, you can perform the electrical wiring. The terminal 6.1 Installation of the indoor unit block is located beneath a plastic cover on the right side. The indoor unit is attached directly to the wall using screws Mark the mounting points on the structurally permissible building sections according to the... -
Page 30: Connection Of Refrigerant Piping
REMKO ATY...DC 6.2 Connection of The following instructions describe the installation of the cooling cycle and the assembly of the indoor refrigerant piping unit and the outdoor unit. The refrigerant piping connection is established by The required pipe diameters are given in the the customer on the back side of the units. - Page 31 Label the refrigerant piping (injection and suc- tion pipes) as well as the associated electrical control lines of each interior unit with a letter. Only connect the lines to their associated con- nections. NOTICE! Always pay attention to the affiliation of the electrical lines and refrigerant piping! The con- nections of the individual circuits must not be mixed up.
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Page 32: Additional Notes On Connecting The Refrigerant Piping
REMKO ATY...DC 6.3 Additional notes on connecting the refrigerant piping When combining the outdoor unit with some indoor units, the procedure for connecting the refrigerant piping may differ. Install the pro- vided reducer or expansion fittings to the indoor unit. -
Page 33: Leak Testing
6.4 Leak testing 6.5 Adding refrigerant Once all the connections have been made, the The units contain a basic quantity of refrigerant. In pressure gauge station is attached to the Schrader addition, an additional amount of refrigerant must valve as follows (if fitted): be added for refrigerant piping lengths exceeding 5 metres per circuit. -
Page 34: Condensate Drainage Connection And Safe Drainage
REMKO ATY...DC Condensate drainage connection and safe drainage Fig. 42: Dimensions for the strip foundation (bird's eye view) For the designations of 1,3,5,8,9 and 11, please refer to the legend for the Fig. 41 dimensioning of the strip foundation (in mm) - Page 35 (view from front). Remove the stopper at the corresponding connec- tion. Safe drainage in the event of leakages The REMKO oil separator OA 2.2 fulfils the fol- lowing list of requirements from regional regula- tions and laws. NOTICE!
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Page 36: Electrical Wiring
REMKO ATY...DC Electrical wiring 8.1 General notes 8.2 Connecting the indoor unit If a condensate pump, available as an acces- sory, is used in conjunction with the unit, it may DANGER! be necessary to install an additional relay with a higher contact rating after the switch-off con-... -
Page 37: Outdoor Unit Connection
8.3 Outdoor unit connection Fix the line in the strain relief and re- assemble the unit. We recommend that a mains/repair switch be installed near the outdoor unit. The power supply is established on the outdoor unit. The indoor unit is supplied via the control line from the outdoor unit. - Page 38 REMKO ATY...DC Connection of optional condensate pump KP-6 / KP-8 W 1(L) 2(N) W 1(L) 2(N) L N PE Fig. 47: Electrical wiring diagram Outdoor unit Power supply for condensate pump Indoor unit Condensate pump fault contact Condensate pump KP-6 / KP-8...
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Page 39: Electrical Drawings
8.5 Electrical drawings Indoor units ATY 265-525 DC IT Weiß/ White Rot/ Blau/ Yellow/ Blue Gelb W 1(L) 2(N) S N-IN Cn31 Fig. 48: Electrical drawings A: Control board 3: Fin motor, vertical B: Display board 4: Fin motor, horizontal C: Control line coming from the outdoor unit 5: Temperature probe for evaporator T2 1: DC fan motor... - Page 40 REMKO ATY...DC Outdoor units ATY 265-355 DC AT CN 17 CN 15 CN 60 Fig. 49: Electrical drawings A: Control board 4: Condenser / DC fan B: Power supply 5: Temperature probe for air inlet condenser T4 C: Lines to the indoor unit...
- Page 41 Outdoor unit ATY 525 DC AT Yellow/ Gelb Schwarz/ Black Blau/ Rot/ Blue Rot/ W 1(L) 2(N) S CN 5 CN 16 CN 60 CN 7 CN 8 CN 2 Yellow and Green/ Gelb und Grün L-OUT RY 1 Fig. 50: Electrical drawings A: Control board 5: Temperature probe for air inlet condenser T4 B: Power supply...
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Page 42: Before Commissioning
REMKO ATY...DC Before commissioning Commissioning After leak testing has been successfully com- pleted, connect the vacuum pump via the pressure NOTICE! gauge station to the valve connections on the out- door unit (see chapter "Leak testing") and create a Commissioning should only be performed by vacuum. - Page 43 Function test of cooling operating mode Remove the protective caps from the valves. Start the commissioning procedure by briefly opening the shut-off valves on the outdoor unit until the pressure gauge indicates a pressure of approx. 2 bar. Check all connections for leaks with leak detection spray and suitable leak detectors.
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Page 44: Troubleshooting And Customer Service
REMKO ATY...DC Troubleshooting and customer service 11.1 Troubleshooting and customer service The unit and components are manufactured using state-of-the-art production methods and tested several times to verify their correct function. However, if alarms should occur, please check the functions as detailed in the list below. - Page 45 Malfunction Possible causes Checks Remedial measures Windows and doors Have structural / usage Close windows and open. Heating / cooling modifications been doors / install additional load has increased made? units Cooling mode is not set Does the cooling symbol Correct the settings for appear on the display? the unit...
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Page 46: Indoor Unit Fault Analysis
REMKO ATY...DC Fault display on the indoor unit Display Error description EEPROM error, indoor unit Communication error between indoor unit and outdoor unit Fan speed control indoor unit disabled Room temperature probe T1 defective Temperature probe, evaporator T2 defective Overflow protection... - Page 47 Error code: Reason: The indoor unit does not receive a signal from the outdoor unit within 110 seconds Cause: Electrical connection not configured correctly Control boards outdoor unit or indoor unit defective Switch off voltage, switch on again 2 minutes later.
- Page 48 REMKO ATY...DC Error code: E3 / F5 Reason: If the fan speed of the indoor unit/outdoor unit falls below 300 rpm, the unit switches off and the display shows error code E3 or E5 Cause: Electrical connection faulty Evaporator fan wheel defective...
- Page 49 Procedure DC fan motor of the indoor unit (control chip is installed in the motor): Switch on the voltage to the unit. In standby mode, measure the unit between terminals 1-3 and 4-3 of the connector plug. Check the measured values against those listed in the table below. If these differ, there is a problem with the control board and it must be replaced.
- Page 50 REMKO ATY...DC Error code: Reason: The evaporator probe T2 measures the actual value with the compressor start and takes this as the reference value T . If, 5 minutes after the compressor start, the value T Start Start has not dropped by 2 °C for at least 4 seconds then the system assumes that the refrig- erant is low.
- Page 51 Error code: E4 / E5 / F1 / F2 / F3 Reason: If the test voltage of the probes is lower than 0.06 V or higher than 4.94 V then the display shows the error code of the corresponding probe. Cause: Electrical connection faulty Temperature probe defective...
- Page 52 REMKO ATY...DC Error code: Reason: Safety shutdown due to overly high current consumption of individual unit components Cause: Faulty power supply Cooling circuit blocked Faulty control board Electrical connections faulty Compressor defective Switch the unit off and ensure correct supply Check the supply voltage.
- Page 53 Error code: Reason: If the power supply to the compressor controller is faulty, the display shows the error code “P0” and the unit switches off Cause: Electrical connection faulty Faulty control board Condenser fan motor defective or blocked Compressor defective Check the connecting cables between the con- Establish a correct connection between the trol board and compressor? Are they faulty?
- Page 54 REMKO ATY...DC Error code: Reason: Overvoltage or undervoltage protection has tripped Cause: Faulty supply voltage Refrigerant low or cooling circuit blocked Faulty control board Check the power supply. Is the supply voltage Switch the unit off and have the power supply correct? checked/corrected.
- Page 55 Error code: P2 (with units with a thermal contact) Reason: If the test voltage of the thermal contact does not lie at 5V then the display shows the error message “P2” Cause: Faulty supply voltage Refrigerant low or cooling circuit blocked Faulty control board Check the air flow volumes of the...
- Page 56 REMKO ATY...DC Error code: Reason: Safety shutdown of inverter controller. Internal system monitoring triggered (e.g. communi- cation problem between board and compressor, the compressor speed is not OK) Cause: Faulty electrical connections Inverter regulation on board defective Condenser fan motor defective...
- Page 57 Resistance values for probes T1, T2, T3 and T4 K Ohm K Ohm K Ohm K Ohm...
- Page 58 REMKO ATY...DC Resistance values for probe T5 K Ohm K Ohm K Ohm K Ohm...
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Page 59: Care And Maintenance
Care and maintenance Maintenance It is recommended that you take out a mainte- Regular care and observation of some basic points nance contract with an annual service from an will ensure trouble-free operation and a long appropriate specialist firm. service life. DANGER! This enables you to ensure the operational reli- Prior to performing any work, ensure the equip-... - Page 60 REMKO ATY...DC Dirt can also be removed by carefully Cleaning the condensate pump (accessories) cleaning with lukewarm water and mild The indoor unit may contain an optional integrated cleaning agents. To do so, turn the dirty side or separate condensate pump, which pumps out so it is facing down (Fig.
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Page 61: Shutdown
Ensure that units and components are disposed of in accordance with local regulations, e.g. through authorised disposal and recycling specialists or at collection points. REMKO GmbH & Co. KG or your contractual partner will be pleased to provide a list of certified firms in your area. -
Page 62: Exploded View And Spare Parts Lists
REMKO ATY...DC Exploded view and spare parts lists 14.1 Exploded view - Indoor unit Fig. 57: Exploded view of the unit ATY 265-525 DC IT We reserve the right to modify the dimensions and design as part of the ongoing technical development... -
Page 63: Spare Parts List - Indoor Unit
14.2 Spare parts list - Indoor unit IMPORTANT! To ensure the correct delivery of spare parts, please always the device type with the corresponding serial number (see type plate) No. Designation Unit trim Air filter, set Fine dust filter Unit trim, bracket Servo motor, LED light indicator Servo motor, LED light indicator Housing front... -
Page 64: Exploded View - Outdoor Unit
REMKO ATY...DC 14.3 Exploded view - Outdoor unit Fig. 58: Exploded view of the unit ATY 265-525 DC AT We reserve the right to modify the dimensions and design as part of the ongoing technical development process. -
Page 65: Spare Parts List - Outdoor Unit
14.4 Spare parts list - Outdoor unit IMPORTANT! To ensure the correct delivery of spare parts, please always the device type with the corresponding serial number (see type plate) No. Designation Front panel, left Protection grid, front plate Fan blade Fan motor Fan motor bracket Corner panel... -
Page 66: Index
REMKO ATY...DC Index Minimum clearances ..... 27 Alarms Checks ......44 Oil return measures . - Page 68 SFlb Customer Service Our equipment operates precisely and reliably. However, in the event of a fault, REMKO customer service is quickly at the scene. Our comprehensive network of experienced dealers always guarantees quick and REMKO GmbH & Co. KG reliable service.