DeLonghi CF 1130 Manuel de service

Room Air ConditionerSPLIT TYPE ROOM AIR CONDITIONERPrior to installation, this air-conditioning unit mustbe submitted for approval by the utility serv

Service Manual 8Product SpecificationsProduct Specifications Table-1Model NameItem UnitWMIN kcal/h.(W)Btu/h

9Room Air ConditionerInstallationInstallationIndoor unit• Do not have any heat or steam near the unit.• Select a place where there are no obstacles in

Service Manual 10InstallationThe wall you select should be strong and solidenough to prevent vibration1. Mount the installation plate on the wall with

11 Room Air ConditionerFlaring work and connection of pipingFlaring work and connection of pipingFlaring workFlaring workMain cause for refrigerant le

Service Manual 12Flaring work and connection of pipingRoute the indoor tubing and the drain hose in the direction ofrear right.Drain hoseConnectingcab

13 Room Air ConditionerFlaring work and connection of piping• Bundle the piping and drain hose together by wrappingthem with vinyl tape for enough to

Service Manual 14Flaring work and connection of piping• Wrap the area which accommodates the rear piping hous-ing section with vinyl tape.Indoor unit

15 Room Air ConditionerConnection of the pipes-OutdoorFlaring work and connection of pipingAlign the center of the pipings and sufficientlytighten the

Service Manual 16Connect the cable to the Indoor unit.Connecting the cable between indoor unit and outdoor unitConnecting the cable between indoor uni

17 Room Air ConditionerConnecting the cable between indoor unit and outdoor unitRemove the control cover from the unit byloosening the screw.Connect t

Air Conditioner Service ManualTABLE OF CONTENTSSafety Precautions ...

Service Manual 18Checking the drainage and forming the pipingsChecking the drainage and forming the pipingsChecking the drainage Form the pipingTo rem

19 Room Air ConditionerAir purging Air and moisture remaining in the refrigerant system haveundesirable effects as indicated below.• Pressure in the s

Service Manual 20Air purgingEvacuation• Connect the charge hose end described in the precedingsteps to the vacuum pump to evacuate the tubing andindoo

21 Room Air ConditionerTest runningTest Running1. Check that all tubing and wiring have been properly con-nected.2. Check that the gas and liquid side

Service Manual 22Functions• Maintain the room temperature in accordance with the Setting Temp. • Restarting is for approx. 3 minutes.• Super High, Hig

Service Manual 23•If power is on, it will operate to chage capacitor on controller and power relay will operate after about 2~5sec.• The active power

Room Air Conditioner 24 Operation Function of ControlsOperation • DISPLAY1) C/O Model Operation Indicator• ON while in appliance operation, OFF whil

25 Service ManualOperation Cooling mode operation• Operating frequency of compressor depend on the difference of the temperature.(= intake air Temp.

Room Air Conditioner 26Operation • Operating frequency of compressor depend on the difference of the temperature(= compressor off temp. - intake air

27 Service ManualOperation 1. Sleep timer operation for cooling cycle• While in cooling mode operation, 60 min. later since the start of the sleep

1 Room Air ConditionerSafety Precautions Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instruct

Room Air Conditioner 28Operation Auto restarting operationForced operation• When the power is restarted after a sudden power failure while in applia

29 Service Manual Operation • If the temperature of the heat sink TH. reaches over Toff, the Compressor stop instantly.• It will be limited the comp

Room Air Conditioner 30Remote Control OperationsOperation The remote control sends signals to the appliance. Meaning of the symbols shown on the l

31 Service ManualDisassembly DisassemblyIndoor UnitDisconnect the unit from power supply before mak-ing any checks.Be sure the power switch is set t

Room Air Conditioner 32Disassembly３．• • ４．• ５．• Screw coverScrewTube sensorEarth screwFixing screwL ight board S crewsMotor terminalDisassemble the

33 Service ManualDisassembly６．• Screw off the fixing screws of evaporator left side７．••• When repair, do not damage the Caution label.ScrewsScrewsMo

Service Manual 34Disassembly outdoor Unit1.•2.•3.•Top coverScrewsRear grillScrewsScrewsFront grillTake down the top coverScrew off the 6pcs screw arou

35 Room Air Conditioner Disassembly4.•6.••5.•ScrewsEarth screwR ight side plateScrewsElectric box coverS crewsDisassemble the front panelScrew off t

Service Manual 36Disassembly7.• 8.8.•••• Axial flow fanNutScrewsMotorScrewsDisassemble the axial flow fanSrew off the nut which fixing the axial f

37 Room Air ConditionerDisassembly9.••10.•Four-way valveSoldered pointCapillaryBoltValvesCompressorBottom nutDisassemble the capillaries and valvesU

Service Manual 2Safety Precautions Do not install the product on a defective instal-lation stand.Be sure the installation area does not deteriorate w

Room Air Conditioner 38Wiring DiagramSchematic DiagramIndoor Unit Models: Schematic DiagramTRANSFORMERM2SWINGTR-OUTROOMTUBEAP1RT2 RT1TR-INPTC(FUT)X

39 Service Manual Schematic DiagramOutdoor Unit Models: BKX1C1X203X204 AC-LBKBN6 5YE4 31BNBNBN BL YEWHWHEFAN MOTORM4EYEGN X106X107CN10X13RLY1NOCOM

Service Manual 40• TOP VIEWSchematic Diagram• TOP VIEWModels:

41 Room Air Conditioner• TOP VIEWSchematic Diagram• BOTTOM VIEWOutdoor Unit Models:

Room Air Conditioner 42Troubleshooting Guide Troubleshooting Guide INDOOR UNIT OUTDOOR UNITHEATEXCHANGE(EVAPORATOR)HEATEXCHANGE(CONDENSER)EERCOMPRES

43 Room Air ConditionerTroubleshooting Guide 2-way, 3-way Valve 2-way Valve (Liquid Side) 3-way Valve (Gas Side)Shaft position Shaft position Service

Service Manual 44Troubleshooting Guide Required tools : hexagonal wrench, adjustable wrench,torque wrenches, wrench to hold thejoints, and gas leak de

45 Room Air ConditionerTroubleshooting Guide • Procedure (1) Confirm that both the 2-way and 3-way valvesare set to the open position. – Remove the

Service Manual 46Troubleshooting Guide Re-air Purging (Re-installation)• Procedure (1) Confirm that both the liquid side valve and thegas side valve a

47 Room Air ConditionerTroubleshooting Guide Balance Refrigerant of the 3-way Valve(Gas leakage)• Procedure (1) Confirm that both the 2-way and 3-way

3 Room Air ConditionerSafety Precautions OperationDo not turn the air-conditioner ON or OFF byplugging or unplugging the power plug.Use a dedicate

Service Manual 48Troubleshooting Guide Evacuation (All amount of refrigerant leaked)• Procedure (1) Connect the vacuum pump to the center hoseof charg

49 Room Air ConditionerTroubleshooting Guide Gas Charging (After Evacuation)• Procedure (1) Connect the charge hose to the chargingcylinder. – Connec

Service Manual 50Troubleshooting Guide Trouble analysis Cycle PartsBreaker tripped or fuseburnt outWhen set the breaker to ON, it will trip off at onc

51 Room Air ConditionerTroubleshooting Guide Poor cooling (heating) effect Filters of indoor unit are blockedClean the filters regularly Heat exchang

Service Manual 52Troubleshooting Guide Water leakage Wrap of refrigerant pipe connector is not tight enough Re-wrap and make it tight Abnormal sound

53 Room Air ConditionerTroubleshooting Guide Malfunction display Blink 1 time Compressor is running Blink 2 times High-pressure protection stop of co

Service Manual 54Troubleshooting Guide Blink 1 timeBlink 2 timesBlink 3 times Blink 4 times Blink 5 times Blink 6 times Blink 7 times Blink 8 times Co

55 Room Air ConditionerTroubleshooting Guide Blink 5 times Blink 6 times Blink 7 times Blink 8 times Heating anti-high-temperature frequency limitatio

Service Manual 56Troubleshooting Guide Blink 10 times Blink 11 times Blink 12 timesBlink 13 times Blink 14 times Volts D.C. too low FIN temperature to

57Room Air ConditionerTroubleshooting Guide （℃）（KΩ）（V）*15K（V）*8.1K（℃） （KΩ）（V）*15K（V）*8.1K（℃） （KΩ）（V）*15K（V）*8.1K-20 147.69 0.46 0.26 32 11.0917 2.87 2

Service Manual 4Always check for gas (refrigerant) leakage afterinstallation or repair of product.Install the drain hose to ensure that water isdraine

Service Manual 58Troubleshooting Guide （℃）（KΩ）（V）*15K（℃） （KΩ）（V）*8.1K（℃） （KΩ）（V）*8.1K-20 192 0.47 32 14.79 2.87 84 2.194 4.51-19 181.4 0.5 33 14.18 2.

59 Room Air ConditionerTroubleshooting Guide （℃）（KΩ）（V）*15K（℃） （KΩ）（V）*8.1K（℃） （KΩ）（V）*8.1K-20 484.5536 0.04 32 36.9866 0.52 84 5.4621 2.2-19 457.363

UFFICI COMMERCIALE E TECNICO - VIA SEITZ, 47 - 31100 TREVISO -ITALIA,TELEFONO 0422 4131 - TELEFAX 0422 413659GRUPPOP/No.: 3828A20833B R

5 Room Air ConditionerUse a soft cloth to clean. Do not use harshdetergents, solvents, etc.Do not touch the metal parts of the productwhen removing th

Service Manual 6DimensionsDimensionsDHWInstallation plateW mm 907H mm 285D mm 231ModelDimension18k Btu SeriesIndoor UnitThis symbol alerts you to the

7 Room Air ConditionerWL2L31LDHL5Gas side(3-way valve)Liquid side(2-way valve)MODELDIM unitW mm 845H mm 680D mm 304L1 mm 378L2 mm 68L3 mm 530L4 mm 14L