REMKO SKT 261 Operating And Installation Instructions Download Page 2

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R32

Refrigerant

Translation of the original

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!

Summary of Contents for SKT 261

Page 1: ...g and installation instructions Read the instructions prior to performing any task REMKO SKT series SKT 261 Multisplit air conditioning systems for cooling and heating 0244 2019 12 Edition 1 en_GB Ind...

Page 2: ...hese 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 modificatio...

Page 3: ...4 3 Keys on the remote control 13 5 Installation instructions for qualified personnel 20 5 1 Important notes prior to installation 20 5 2 Installation materials 20 5 3 Selection of installation locat...

Page 4: ...13 General view of unit and spare parts 51 14 Index 53 REMKO SKT series 4...

Page 5: ...to highlight the magnitude of the danger in question DANGER Contact with live parts poses an immediate danger of death due to electric shock Damage to the insulation or individual components may pose...

Page 6: ...are safe to use and fully functional at least once yearly Visual inspections and cleaning may be performed by the operator when the units are disconnected from the mains 1 7 Safety notes for installat...

Page 7: ...parts may invalidate liability for resulting consequences 1 9 Intended use Depending on the model the units and the addi tional fittings with which they are equipped are only intended to be used as a...

Page 8: ...ved collection points Disposal of equipment and components Only recyclable materials are used in the manufac ture of the devices and components Help protect the environment by ensuring that the device...

Page 9: ...ss IP X 0 Electrical rated power consumpt cooling 1 W 24 Electrical rated power consumpt heating 2 W 24 Electrical rated current consumpt cooling 1 A 0 11 Electrical rated current consumpt heating 2 A...

Page 10: ...sions A B C Fig 1 Dimensions SKT 261 IT Measurements mm A B C SKT 261 IT 722 290 187 We reserve the right to modify the dimensions and design as part of the ongoing technical development process REMKO...

Page 11: ...densate tray The indoor unit can be combined with REMKO outdoor units from the series SKT AT that provide suffi cient cooling capacity The outdoor unit is con trolled by the regulation of the indoor u...

Page 12: ...received correctly if the remote control is pointed at the receiver and no objects are obstructing the transmission path Two AAA batteries must be inserted into the remote control in preparation To d...

Page 13: ...f the unit is working in SLEEP mode this activity is interrupted by pressing the MODE FAN Speed or ON OFF keys 5 FRESH key without function 6 TURBO key without function 7 SELF CLEAN key without functi...

Page 14: ...deactivated 14 LED key This activates deactivates the display on the indoor unit Indicators on the LCD 2 1 4 3 6 9 8 10 5 7 11 13 12 Fig 7 Indicators on the LCD 1 Mode display shows the current operat...

Page 15: ...nd 30 C in increments of 1 C 3 Press the ON OFF key to switch the air conditioning unit on 1 3 2 Fig 8 Auto mode In automatic mode the cooling unit automati cally selects among cooling recirculation a...

Page 16: ...the TIMER OFF key to set the Auto off time for the unit Setting the Auto on time 1 Press the TIMER ON key The remote con trol shows TIMER ON the last Auto on time setting and the symbol H appears on...

Page 17: ...he following settings 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 and 24 Example TIMER function settings TIMER ON Auto on mode...

Page 18: ...is acti vated On Set time Stop Start 2 hours later after setting 10 hours later after setting Fig 14 TIMER OFF TIMER ON example TIMER ON TIMER OFF Off Start Stop Example You want the air conditioning...

Page 19: ...1 hour After one more hour the room temperature is increased by an additional 1 C In heating mode the room temperature is decreased within the first two hours of operation by 2 C After 7 hours of unit...

Page 20: ...um clearances n Do not install the unit in the immediate vicinity of devices which generate intensive thermal radiation Installation in the vicinity of thermal radiation reduces the unit output n Inst...

Page 21: ...ion variants for the indoor unit The following connection variants can be used for the refrigerant condensate and control lines D C D B A C A B Fig 19 Connection variant view from the rear A Infeed of...

Page 22: ...m the wall at a 90 angle As a result of the required bending radius the unit would then be very difficult to connect or would possibly be impossible to fasten to the wall mount For this reason route t...

Page 23: ...21 Wall bracket for indoor unit SKT 261 IT rear view Measurements mm A B C D E F G H SKT 261 372 350 37 50 100 197 542 180 We reserve the right to modify the dimensions and design as part of the ongo...

Page 24: ...ting it back slightly and by pressing the bottom part of the unit against the bracket 5 Check again that the unit is level Fig 22 Fig 22 Horizontal positioning The wall bracket for the units must be a...

Page 25: ...rder to ensure permanent draining of the condensate If necessary fit a pipe heater n Following installation check that the conden sate run off is unobstructed and ensure that the line is durably leak...

Page 26: ...main repair switch on the building close to the unit This is the responsibility of the customer n The terminal blocks for making the connections are located at the rear of the unit When the unit is in...

Page 27: ...061 230V 1 50 Hz L A N A S A L N L B N B S B 1 2 N S L C N C S C 1 2 N S L 1 W 1 2 N S A 1 B1 B2 B3 2 2 L 1 W L 1 W Fig 25 Electrical wiring diagram A Outdoor unit SKT 521 1061 AT B1 B3 Indoor units S...

Page 28: ...UT L IN N IN Cn31 Blau Blue CN 24 CN 33 CN 22 CN 19 CN 27 CN 18 B Fig 26 Electrical drawings A Control board B Display circuit board C Control line from outdoor unit 1 DC fan motor 2 Motor panel 3 Fin...

Page 29: ...nnection terminals Connection terminals 5V Non functional Terminals switch 1 2 In order to utilise the potential free contact for externally switching the unit off it is first necessary to remove the...

Page 30: ...he con troller and to the X and Y terminals of the last indoor unit in the series 4 A DIP switch and a rotary switch are located on the adapter board SKT of the MXW indoor unit on the unit panel These...

Page 31: ...r Temperature setting Fan speeds and switching to recirculation or dehumidification mode 5 Check the correct function of the condensate drainage line by pouring distilled water into the condensate tra...

Page 32: ...unit and outdoor unit Electrical surges caused by thunderstorms Have there been light ning strikes in the area recently Switch off the mains breaker and switch it back on Have it inspected by a speci...

Page 33: ...d the pump not running Call out a specialist to replace the pump Condensate has not drained away and has collected in the conden sate drainage line Is there an incline on the condensate drainage line...

Page 34: ...undervoltage error P2 Compressor overheating protection heat gas temperature too high P4 Inverter control disabled P5 Mode conflict indoor units set in various operating modes P6 Low pressure probe o...

Page 35: ...age between the S and N terminals of the outdoor unit Is the measured value positive NO Check electrical connections in the indoor unit Are they OK YES YES Check electrical connections in the outdoor...

Page 36: ...erates normally YES De energise the unit and attempt to turn the fan wheel by hand Does it rotate freely NO Check the motor and the fan wheel bearing and replace the defective parts YES Check the elec...

Page 37: ...se differ there is a problem with the control board and it must be replaced 1 3 4 5 6 Fig 32 Motor measurements Terminal Colour Voltage 1 Red 280V 380V 2 3 Black 0V 4 White 17 17 5V 5 Yellow 0 5 6V 6...

Page 38: ...cooling circuit blocked n Evaporator probe T2 defective n Indoor unit control board defective Switch off voltage switch on again 2 minutes later Is the error still present YES Check whether the indoor...

Page 39: ...ctrical connection faulty n Temperature probe defective Check the connecting cable between the con trol board and the temperature probe Is it OK and correctly connected NO Establish a proper connectio...

Page 40: ...re correct supply voltage YES Check the cooling circuit for any blockages Is the cooling circuit OK NO Remove the blockage shut off valve open YES Check the winding resistances of the com pressor Are...

Page 41: ...ection Check the inverter controller on page 41 Fault eliminated NO Replace the control board YES Check the condenser fan motor Is it working correctly NO See troubleshooting fault F5 YES Check the wi...

Page 42: ...eck the electrical connections Are they OK NO Replace the electrical connections YES Switch the power on and put the unit into standby mode Measure the voltage on the board at contacts P and N This sh...

Page 43: ...ey blocked or dirty YES Clean the filter or heat exchanger and ensure a sufficient air flow volume NO Switch off the power supply to the unit and switch it on again after 10 mins Does the unit start u...

Page 44: ...roller Is this functional NO Replace the control board YES Check the condenser fan motor Is it OK NO Follow the instructions for troubleshooting fault F5 YES Check the winding resistances of the com p...

Page 45: ...13 5 26 88 37 5 87 6 25 50 38 5 63 7 24 19 39 5 40 8 22 57 40 5 18 9 21 81 41 4 96 10 20 72 42 4 76 11 19 69 43 4 57 Temp C Resistance kW Temp C Resistance kW 44 4 39 79 1 21 45 4 21 80 1 17 46 4 05 8...

Page 46: ...4 11 104 6 6 247 8 12 99 69 5 234 9 13 95 05 4 222 8 14 90 66 3 211 4 15 86 49 Temp C Resistance kW Temp C Resistance kW 16 82 54 51 18 96 17 78 79 52 18 26 18 75 24 53 17 58 19 71 86 54 16 94 20 68 6...

Page 47: ...113 2 56 91 4 85 114 2 49 92 4 70 115 2 42 93 4 56 116 2 36 94 4 43 117 2 29 95 4 29 118 2 23 96 4 17 119 2 17 97 4 05 120 2 12 98 3 93 121 2 06 99 3 81 122 2 01 100 3 70 123 1 96 101 3 60 124 1 91 10...

Page 48: ...d that you take out a mainte nance contract with an annual service from an appropriate specialist firm This enables you to ensure the operational reli ability of the plant at all times NOTICE Statutor...

Page 49: ...so turn the dirty side so it is facing upwards 5 Dirt can also be removed by carefully cleaning with lukewarm water and mild cleaning agents Fig 37 The dirty side should be face down 6 If water is us...

Page 50: ...off the voltage supply to the unit 4 Check the unit for visible signs of damage and clean it as described in the chapter Care and maintenance Permanent shut down Ensure that equipment and components a...

Page 51: ...w of the unit SKT 261 IT 11 6 4 9 10 13 12 1 3 7 8 5 2 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Fig 38 Exploded view of the unit We reserve the right to modify the dimensions and design as p...

Page 52: ...1 IR remote control 12 Room temperature probe T1 13 Temperature probe evaporator T2 14 Housing front 15 Plastic covering terminal block 16 Plastic covering board 17 Housing part electronics module 18...

Page 53: ...nance 48 Manual mode 12 Minimum clearances 21 Multifunction board connection 29 O Ordering spare parts 52 P Propellant in accordance with Kyoto Protocol 9 R Refrigerant piping connection 24 Remote con...

Page 54: ...REMKO SKT series 54...

Page 55: ......

Page 56: ...5232 606 260 E mail info remko de URL www remko de REMKO GmbH Co KG Klima und W rmetechnik Im Seelenkamp 12 32791 Lage Hotline within Germany 49 0 5232 606 0 Hotline International 49 0 5232 606 130 W...

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