background image

42CJR024-7

2

3 / 38CJR024-7

2

3

42CJR018-7

2

3 / 38CJR018-7

2

3

42TAR024X-7

2

3 / 38TAR024X-7

2

3

42TAR018-7

2

3 / 38TAR018-7

2

3

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

42

HN

R0

24

-7

1

3 / 38

HN

R0

24

-7

1

3

42

HN

R018-7

1

3 / 38

HN

R018-7

1

3

FILE NO. SVM-05010-2

18 Class

(Heat pump model)

24 Class

18 Class

(Cooling only model)

Revised Aug, 2005

Summary of Contents for 38CJR018-723

Page 1: ...42TAR024X 723 38TAR024X 723 42TAR018 723 38TAR018 723 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE 42HNR024 713 38HNR024 713 42HNR018 713 38HNR018 713 FILE NO SVM 05010 2 18 Class Heat pump model 24...

Page 2: ...REFRIGERATION CYCLE DIAGRAM 5 1 42CJR024 723 38CJR024 723 42TAR024X 723 38TAR024X 723 5 2 42HNR024 713 38HNR024 713 5 3 42CJR018 723 38CJR018 723 6 CONTROL BLOCK DIAGRAM 7 OPERATION DESCRIPTION 7 1 O...

Page 3: ...r Unit 38CJR024 723 38TAR024X 723 38TAR018 723 10 3 Outdoor Unit 38CJR018 723 11 EXPLODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 11 2 Indoor Unit 11 3 Outdoor Unit 38CJR024 723 38TAR024X 7...

Page 4: ...tion type Flare connection pipe Maximum length m 15 1 One way 25 2 Maximum height m 10 difference INDOOR UNIT 42CJR024 723 42TAR024X 723 Height mm 298 Dimensions Width mm 998 Depth mm 208 Net weight k...

Page 5: ...pipe Maximum length m 15 1 One way 20 2 Maximum height m 8 difference INDOOR UNIT 42CJR018 723 42TAR018 723 Height mm 298 Dimensions Width mm 998 Depth mm 208 Net weight kg 13 Evaporator type Finned t...

Page 6: ...re connection Liquid side size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way 25 2 20 2 Maximum height 10 8 difference INDOOR UNIT 42HNR024 713 42HNR018 71...

Page 7: ...8CJR018 723 42TAR024X 723 38TAR24X 723 42HNR024 713 38HNR024 713 42TAR018 723 38TAR18 723 42HNR018 713 38HNR018 713 1 No need to charge 15 m or less 15 m or less Note 1 Capacity is based on the follow...

Page 8: ...298 10 763 5 55 55 55 41 29 Knock out system Knock out system Connecting pipe 0 39 m Flare 15 88 Drain hose 0 54 m Connecting pipe 0 49 m Flare 6 35 For stud bolt 6 For stud bolt 8 10 6 5 Installatio...

Page 9: ...3 5 55 55 55 41 29 Knock out system Knock out system Connecting pipe 0 39 m Flare 12 7 Drain hose 0 54 m Connecting pipe 0 49 m Flare 6 35 For stud bolt 6 For stud bolt 8 10 6 5 Installation Plate out...

Page 10: ...364 A 12x18 hole A Detail Drawing 25 Drain outlet 52 Handle Installation dimension 600 100 or more 100 or more 600 or more 600 or more Air outlet Air inlet Electric Parts cover Liquid side Flare 6 35...

Page 11: ...in outlet FAN GUARD 36 6 Hole 2 11x14 Hole For 8 10 anchor bolt 436 4x 11 Long holes For 8 10 anchor bolt 11x14 Hole 6 Hole 36 52 310 330 R15 270 600 90 780 62 COVER PV Electrical part cover Liquid si...

Page 12: ...er Liquid side Flare 6 35 Gas side Flare 12 7 Installation dimension 100 or more Air inlet 600 or more 100 or more Air inlet Air outlet 600 or more 600 50 35 600 344 325 91 54 60 50 90 600 830 90 120...

Page 13: ...8 9 5 9 8 7 1 2 3 4 6 10 YEL GRY BRW TEMP FUSE 145 C 6 6 5 5 4 4 1 3 2 1 3 2 Control Fan motor circuit Power supply circuit TC sensor Heat exchanger TA sensor Thermo 1 1 2 CN03 BLK 2 BLK BLK 2 BLK CN0...

Page 14: ...5 5 4 4 1 3 2 1 3 2 Control Fan motor circuit Power supply circuit TC sensor Heat exchanger TA sensor Thermo 1 1 2 CN03 BLK 2 BLK BLK 2 BLK CN01 2 1 1 MAIN P C BOARD WP 003 CN27 CN31 INDOOR BRW 6 6 B...

Page 15: ...4 1 3 2 1 3 2 Control Fan motor circuit Power supply circuit TC sensor Heat exchanger TA sensor Thermo 1 1 2 CN03 BLK 2 BLK BLK 2 BLK CN01 2 1 1 MAIN P C BOARD WP 003 CN27 CN31 INDOOR BRW 6 6 BLU BLU...

Page 16: ...RY07 RY05 RY06 SG01 CN06 TNR R74 TNR R73 MAIN P C BOARD MCC 890 COMPR E S S OR FAN MOTOR 3 4 42HNR018 713 38HNR018 713 FILE NO SVM 05010 1 R C S 10 10 9 8 7 1 2 3 4 6 5 10 Infrared rays receive 5 6 4...

Page 17: ...13 RY07 RY05 RY06 SG01 CN06 TNR R74 TNR R73 MAIN P C BOARD MCC 890 COMPRESSOR FAN MOTOR 3 5 42HNR024 713 38HNR024 713 FILE NO SVM 05010 1 R C S 10 10 9 8 7 1 2 3 4 6 5 10 Infrared rays receive 5 6 4 C...

Page 18: ...TION OF ELECTRICAL PARTS 4 2 Indoor Unit 42HNR024 713 42HNR018 713 FILE NO SVM 05010 4 1 Indoor Unit 42CJR024 723 42CJR018 723 42TAR024X 723 42TAR018 723 No Parts name Type Specifications 1 Fan motor...

Page 19: ...05B AC 440 V 45 F for compressor 5 Magnetic contactor A35 220 240V 50 Hz 4 3 Outdoor Unit 38CJR024 723 38TAR024X 723 No Parts name Type Specifications Output Rated 1500 W 2 poles 1 phase 220 240 V 50...

Page 20: ...o Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240V 50 Hz 1 Compressor 2JS386D5BB02 Winding resistance C R C S at 20 C 0 886 1 979 Output Rated 65 W 6 poles 1 phase 220 240 V...

Page 21: ...5P T3 Winding resistance Red Black White Black at 20 C 64 4 127 4 3 Running capacitor 451205L AC 450 V 2 F for fan motor 4 Running capacitor BUM44X4505B AC 440 V 45 F for compressor 5 Solenoid coil VH...

Page 22: ...illary tube 2 4 x 1500 s Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 11 0 High 27 19 35 24 Coo...

Page 23: ...emperature 0 6 12 0 High 32 23 43 26 Low temperature 0 3 1 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T C Fan speed indoor 50 Hz Evaporator Indoor uni...

Page 24: ...pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0 x 1400 s Accumulator Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions...

Page 25: ...g pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0 x 800 s Accumulator Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions...

Page 26: ...x 400 s Capillary tube 2 0 x 600 s 5 5 42HNR018 713 38HNR018 713 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 During heating overload the high temperatur...

Page 27: ...nute Delay at Restart for Compressor Motor Revolution Control Processing Timer Louver ON OFF Signal Louver Driver Operation Display Timer Display Filter Sign Display AUTO FAN Sign Display Indoor Fan M...

Page 28: ...3 minute Delay at Restart for Compressor Motor Revolution Control Processing Timer Louver ON OFF Signal Louver Driver Operation Display Timer Display Filter Sign Display PRE DEF Sign Display Indoor Fa...

Page 29: ...indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the...

Page 30: ...ed with 1 are calculated and controlled by the difference in motor speed between M and L 7 2 2 Cooling operation MODE button on the remote control is set to the cooling operation 1 The compressor 4 wa...

Page 31: ...n in Fig 7 2 4 Fig 7 2 4 2 The microprocessor turns the compressor on and off at the regular intervals 4 to 6 minutes While the compressor is turning off the indoor fan motor operates in the SUPER LOW...

Page 32: ...f 3 operations Cooling Fan only or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2...

Page 33: ...preventing control of the indoor microcomputer Then PRE DEF lamp on the indoor unit comes on The defrosting operation stops and the 4 way valve relay outdoor fan motor and the indoor fan motor are tu...

Page 34: ...restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the TEMPORARY button located in the center of the front panel continuous...

Page 35: ...to turn off filter check lamp Press FILTER button on the remote control OR push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the...

Page 36: ...which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make su...

Page 37: ...lutely sure that the installation of this appliance is reported to the local power supplier before installation If you experience any problems or if the installation is not accepted by the supplier th...

Page 38: ...er Attach to the front panel Attach to the air filter Pan head wood screw 4 Remote control holder Before installing the wireless remote control With the remote control cover open load the batteries su...

Page 39: ...or 10 mm anchor bolts and nuts Air inlet Air outlet Part Code A B C Q ty One each 1 One each Parts name Refrigerant piping Liquid side 6 35 mm Gas side 12 70 mm 42CJR018 Gas side 15 88 mm 42CJR024 42...

Page 40: ...llation plate x 1 Wireless remote control x 1 Battery x 2 Part name Q ty Remote control holder x 1 Nano silver filter x 2 Nano Photo filter x 2 Part No 4 5 6 Part No 7 8 Others Name Owner s manual Ins...

Page 41: ...set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 8 4 1 5 m 5 m 45 45 75 7 m 7 m...

Page 42: ...y damage if the unit falls In case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws 7 NOTE Secure four corners and lowe...

Page 43: ...the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit 1 2 Cord clamp Front panel Terminal block Earth line Connecting cable Screw Terminal cover Screw Air...

Page 44: ...e handle of screwdriver etc Gas side To connect the pipe after installation of the unit figure Fig 8 4 12 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After pas...

Page 45: ...pipe Extension drain hose Wall Drain guide Space for pipes Do not put the drain hose end in the drainage ditch Do not form the drain hose into a wavy shape Do not put the drain hose end into water Do...

Page 46: ...ed to strong wind like a coast or on a high storey of a building secure the normal fan operation using a duct or a wind shield 3 In particularly windy areas install the unit such as to avoid admission...

Page 47: ...lose the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both side of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tight...

Page 48: ...of indoor and outdoor unit to prevent water coming in the outdoor unit 4 Insulate the unused cords conductors from any water coming in the outdoor unit Proceed them so that they do not touch any elec...

Page 49: ...et Remote Control Selector Switch When two indoor units as installed in seperated rooms there is no need to change the selector switch Remote control selector switch When two indoor units are installe...

Page 50: ...t Valve stem cap connection D C A B 8 7 3 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failur...

Page 51: ...ting operation 7 The compressor is not turned on even though the room temperature is in the range that the compressor is turned on 8 The operation mode changes in the Automatic operation 9 The Auto Fa...

Page 52: ...blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION TIMER and AUTO FAN lamps are blinking H OPERATION TIMER and AUTO FAN lamps are blinking Table 9 3 2 Diagnosis by detective operat...

Page 53: ...ncil to set the remote control to the service mode 00 is indicated on the display of the remote control The timer lamp on the indoor unit blinks continuously 5 times per 1 sec 2 Press TEMP 8 button If...

Page 54: ...errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected And it returns to...

Page 55: ...ct crossover wires properly Connect connector properly Indoor P C board is defective Replace P C board Operation Check item Conceivable principle cause Measure Item by symptoms Does four way valve ope...

Page 56: ...Outdoor P C board is defective Indoor P C board is defective Is TC sensor resistance value 10 k at 25 C normal Failure 09 Other cycle error 1 Heat pump model 09 Other cycle error 2 Clean filters Repla...

Page 57: ...Connect CN03 properly Replace TA sensor Replace P C board NO NO YES YES Is CN01 TC sensor connector connected properly Is TC sensor resistance value 10 k at 25 C normal Indoor P C board is defective...

Page 58: ...mal Is TD sensor resistance value 50 k at 25 C normal Are wires connected to connector properly Outdoor P C board is defective Connect wires to connector properly Check and modify charged amount of re...

Page 59: ...its signal transmitted properly Remote control is defective Refer to 9 9 Troubleshooting for Remote Control Parts R21 R22 SG01 C01 DB01 C02 M01 and IC04 are defective Is fuse F01 of indoor control boa...

Page 60: ...he bearing of the fan Thermal fuse operated due to prevent temperature rising cause of incompleted connecting Shut off the power supply Turn on the power supply Does the fan speed become higher Operat...

Page 61: ...or does not operate Primary check 1 Is the preset temperature higher than the room temperature in cooling operation 2 Is the crossover cable connected properly Inspection procedure Cooling only model...

Page 62: ...r motor winding normal Check winding resistor NO Compressor is defective YES Replace compressor Is capacitor for compressor normal NO Capacitor is defective Is it possible to detect AC 200V between 2...

Page 63: ...62 Inspection pr ocedure Heating model Replace transformer FILE NO SVM 05010 AC 70 100V outdoor P C board...

Page 64: ...compressor motor winding normal Check winding resistor Is gas quantity normal Check gas pressure Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop...

Page 65: ...s or more to restart the unit 2 1 3 Terminal block on indoor side Terminal block Tester Red White 2 The outdoor unit stops once it would not operate until the power is turned on again 3 The outdoor un...

Page 66: ...he indoor fan motor short circuited 1 The terminal block or the crossover cable is connected wrongly 2 The capacitor C01 and C02 line filter L01 resistor R319 or the diode DB01 is defective 3 M01 DB01...

Page 67: ...en the time of the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit compressor operates conti...

Page 68: ...s defective Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defe...

Page 69: ...between the front panel and the back body If you operate the air conditioner in cooling or dry operation without pushing the 3 places the surface of the front panel may be covered with frost and have...

Page 70: ...ocedure 4 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws fixing the bearing base and the back body 4 Pull the cross flow fan toward you 1 Remove the front panel electrical parts assemb...

Page 71: ...band 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor...

Page 72: ...apacitor band 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the ca...

Page 73: ...e capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fi...

Page 74: ...ect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common p...

Page 75: ...C 404 43T69005 Sensor Thermostat 10 k 25 C 405 43T69066 P C Board ASSY WRS LED MCC 819 Location Part Description No No 407 43T62003 Cord Clamp 411 43T69442 P C Board ASSY 42TAR024X CJR024 411 43T6944...

Page 76: ...Sensor 218 43T49009 Spring Location Part Description No No 219 43T49036 Plate EVA Seal 220 43T49039 Holder Plate EVA Seal 221 43T49038 Plate EVA Seal 222 43T49037 Holder Plate EVA Seal 223 43T79007 G...

Page 77: ...ia 16 43T60324 Terminal Block 6P 18 Compressor PH400X3CS 4KT1 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 24 43T21314 Motor Fan AC 220 240V 50Hz 25 43T20301 F...

Page 78: ...t 15 88Dia 14 43T47331 Bonnet 6 35Dia 15 43T47013 Capillary Tube 2 0Dia 16 43T60324 Terminal Block 6P 19 43T62014 Protector Cord 20 43T62015 Protector Cord Location Part Description No No 24 43T21314...

Page 79: ...ked 12 7Dia 12 43T47331 Bonnet 6 35Dia 13 43T47333 Bonnet 12 70Dia 14 15 43T47013 Capillary Tube 2 0Dia 16 43T41371 Compressor PH340X3C 4KT1 20 43T00396 Upper Cabinet Assembly Location Part Descriptio...

Page 80: ...Cord 20 43T62015 Protector Cord Location Part Description No No 23 43T49309 Cushing Rubber 24 43T21315 Motor Fan AC225 240V 50Hz 25 43T20301 Fan Propeller PP491 26 43T96001 Bushing 27 43T96004 Bushing...

Page 81: ...or 45 F 440V 25 43T55324 Capacitor Plastic Film 26 43T60324 Terminal Block 6P 27 43T41341 Compressor 2JS350D5DA02 28 43T52302 Magnetic Contactor CLK 26J 29 43T46319 4 Way Valve 43043609 Condenser Asse...

Page 82: ...64 FILE NO SVM 03012...

Reviews: