Johnson Controls YJHJXH024BARR-FX Service Manual Download

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&LUFXLW'LDJUDPV

Domestic Air Conditioner

119

CN26
P

CN24

680U/400V/450V

CX6
105/275VAC

R23
220K/2W

LED2

POWER

250 Connector

11.2.2 Module Board Circuit Diagram

41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

IC1

SH7046

IC8
SGH40N60UF

BG1
D25B X60B

D207

FFA30U60DN

C404

474/275V

C405

104/275V

5. 2MH/15A

AC -L

AC -N

CN8

CN9

CN7

CN6

RS1

0. 015/5W

R215

10K

RS2

0. 015/5W

R006 100

CN1

CN5

680U/400V*2

CN2

CN3

CN4

9 10 11 12 13 14 15 16 17

PS21965-AT

PM1

C013
104

C005

104

030

029

C201
104

X1 10M

R220 82

R218 82

R009 4. 7K

R005 4. 7K

R010

4. 7K

R007 4. 7K

CN12

GND

MD1

RXD

TXD

FWP

RES

IC2

T600D

C202
104

C203
104

C207
104

C208

104

IC5

HA17393AF

IC6

HA1630D06

IC6

HA1630D06

R221 140

R216
10

R224
4. 7K

R211
1K

R212
9. 1K

R209

R223

330

R210 6. 8K

R214
100

R207

TR1

MMBT9013

15V

IC7

TLP251

R015

330

R208
6. 8K

R014

330

R013

330

R018 4. 7K

R016

R012

4. 7K

R011
4. 7K

R008
4. 7K

R019
4. 7K

R213 100

IC4

HA1630D06

IC4

HA1630D06

R206
1K

R205
1K

R203

R204 6. 2K

R201

R202
6. 2K

CN11

communicate

TR2
MMBT9012

PC1

PC817A

PC2

PC817A

TR3

MMBT9013

C018
103

C016
472

C017

223

C014

102

C036

104

C032

104

C023

224

C015
102

C034

104

C001

104

C413

100U/25V

D203
US1M

D202
US1M

D201
US1M

C412

47U/25V

C411

47U/25V

C410

47U/25V

15V

1
2
3
4

C004
104

C028

103

C020

102

IC3

24C04

C003

104

C002

104

C006

474

C022
103

613

713

30K

D204

LL4148

CN10

POWER(BLUE)

15V

C501
100U/16V

C011
104

C502
100U/25V

C012

104

D206

24V/1W

15V

R017 4. 7K

D208

LL4148

C503

4. 7U/16V

R230

C406
104/275V

C504
100U/25V

IC5

HA17393AF

R222

R225

C204104

C019
103

YJHJZH024BARRAFX

-SM

R :13%, G :12%, B :12%, a:100%

Summary of Contents for YJHJXH024BARR-FX

Page 1: ...on technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt...

Page 2: ...lue of thermistor 29 6 System Configuration 41 6 1 System Configuration 41 6 2 Instruction 41 7 Error Codes and Description 62 8 Installations 77 9 Removal Procedure 92 9 1 Removal of Front panel 92 9...

Page 3: ...lectrcal Box 104 9 11 Removal of the Side panel 105 9 12 Removal of Fan Motor 107 9 13 Removal of Compressor and Heat Exchanger 111 10 Wiring Diagrams 115 10 1 Indoor Unit 115 10 2 Outdoor Unit 116 11...

Page 4: ...re disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct th...

Page 5: ...der in an enclosed room can cause oxygen deficiency 1 1 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate...

Page 6: ...or fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can...

Page 7: ...tension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Caution Installation of a leakage breaker is nece...

Page 8: ...Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an elec...

Page 9: ...he fan speed LO MED HI AUTO N Constant temperature dehumidification Avoid the child s wrong operation on the remote controller Sleep mode Catches most small particles and remove unpleasant odors effec...

Page 10: ...5848 1892 6020 7 9 5 9 1 2 6 25 10 15 20 25 10 15 20 1126X344X388 3 Specification 6536 1032 8170 15 88 15 88 1046X234X299 1126X344X388 1046X230X299 AS24GS1ERA AS24GS2ERA 94 97 9 52 16 7 14 6 12 5 17...

Page 11: ...0 50 R410a 1 60 51 7 1823 8 51 7 1823 8 52 2 48 2 60 860x308x730 995X420X815 2120 1970 9 5 9 1 60 27 35 70 70 SNB130FGYM2 900 FV50S 5 YJHJZH024BARRAFX SM...

Page 12: ...Connector for display board 7 C0N6 C0N8 Connector for ions generator 8 CON7 Connector for communicate between the indoor board and the outdoor board 9 CON9 Connector for new airflow wire 10 CN34 Conn...

Page 13: ...Connector Wiring Diagram Domestic Air Conditioner 10 3 CN26 CN1 SW1 CON1 CN11 CON6 CON6 CON7 CN32 CON2 CON9 CN34 CN20 YJHJZH024BARRAFX SM...

Page 14: ...ctor to P and N of the module board 11 CN36 Connector for communicate between indoor and outdoor unit 12 CN15 Connector for electric expansion valves 13 CN45 Connector for terminal socket protect 14 C...

Page 15: ...Connector Wiring Diagram Domestic Air Conditioner 12 3 CN2 CN1 CN23 CN8 CN10 CN12 CN11 CN21 CN20 CN19 CN18 CN22 CN25 CN28 CN45 CN17 CN7 CN6 CN47 CN16 CN15 CN4 CN36 CN22 YJHJZH024BARRAFX SM...

Page 16: ...Connector Wiring Diagram Domestic Air Conditioner 13 3 CN5 CN7 CN6 CN11 CN2 CN1 CN4 CN3 CN9 CN8 CN10 YJHJZH024BARRAFX SM...

Page 17: ...the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 1 Au...

Page 18: ...s 3 the manual opera tion can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the fro...

Page 19: ...for 20 seconds If other conditions are satisified when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start t...

Page 20: ...u can set 24 hours on off timing accordingly After the setting the timing indicator will be lightened Also the light will be turning off after the timing is finished The followings are several timing...

Page 21: ...ode if you press the urgency key for 5 to 10 seconds the system will start the test operation Under the system off mode If you press the urgency key for 10 to 15 seconds the display screen will show t...

Page 22: ...ction list resume Nothing is presented if there is no code list The malfunction display will automatically finish in 10 seconds The remote control only receives the sigals for stop According to the si...

Page 23: ...r cut compensation mode the processing of the indoor system should be as the followings Remote control urgency singal operate according to the remote control and the urgent conditions the present stat...

Page 24: ...tus exist at the same time then the last set color will be shown The lighting key of the control board can turn on or off the display 5 1 20 2 LED display Set timing to display timing signs set dorman...

Page 25: ...ent temperature Heating mode Serial No Temperature scope Frequency limitation 1 Wh_c 12 Max_hz8 100 HZ 2 Wh_c 8 Max_hz7 100HZ 3 Wh_c 2 Max_h z4 100HZ 4 Wh_c 5 Max_hz5 90 HZ 5 Wh_c 10 Max_hz1 80 HZ 6 W...

Page 26: ...ged to 15 seconds 5 2 2 1 The outdoor fan control when refrigerating or dehumidifying After the compressor is started for 5 seconds the outdoor fan is started at the medium speed at first after 30 sec...

Page 27: ...way valve control see the defrosting process Four way working in other ways Under the mode of heating open the four way valve when the compressor is not started or changed to non heating mode make su...

Page 28: ...7KH FRQGLWLRQV RI ZLWKGUDZLQJ IURP GHIURVWLQJ The defrosting operation will change to heating operation if any of the following conditions is satisfied 1 The temperature of the outdoor heat exchanger...

Page 29: ...Fgh_t5 48 Fgh_t5 2 Normal N Decreasing at the speed of 1HZ 1 second P Decreasing at the speed of 1Hz 10 seconds Q Continue to keep the last time instruction cycle R Increasing at the speed of 1Hz 10s...

Page 30: ...When the outdoor environment temperature is higher than 50 AC current protection value decreases by 2 5A 5 2 6 5 Antifreezing protection of the indoor heat exchanger When refrigerating heating prevent...

Page 31: ...the outdoor unit will flash and its frequency is 1HZ the number of times is according to the table when a round of flashing is finished the light shoud be off for 5 seconds b For the units malfunctins...

Page 32: ...25 122 8484 110 9627 100 1367 1 85 1 69 24 115 9272 104 8882 94 8149 1 83 1 67 23 109 4410 99 1858 89 8106 1 81 1 66 22 103 3598 93 8305 85 1031 1 80 1 64 21 97 6556 88 7989 80 6728 1 78 1 63 20 92 30...

Page 33: ...9 9409 18 9463 1 13 1 09 10 20 0176 19 0621 18 1358 1 11 1 07 11 19 1149 18 2270 17 3646 1 08 1 05 12 18 2580 17 4331 16 6305 1 06 1 03 13 17 4442 16 6782 15 9315 1 03 1 01 14 16 6711 15 9601 15 2657...

Page 34: ...31 1 78 1 70 53 3 6601 3 4416 3 2332 1 82 1 74 54 3 5374 3 3227 3 1183 1 87 1 78 55 3 4195 3 2085 3 0079 1 91 1 82 56 3 3060 3 0989 2 9021 1 95 1 85 57 3 1969 2 9935 2 8005 2 00 1 89 58 3 0919 2 8922...

Page 35: ...3 90 3 55 97 0 9490 0 8558 0 7711 3 96 3 60 98 0 9232 0 8319 0 7489 4 01 3 64 99 0 8983 0 8088 0 7275 4 07 3 69 100 0 8741 0 7863 0 7067 4 12 3 74 101 0 8507 0 7646 0 6867 4 18 3 78 102 0 8281 0 7436...

Page 36: ...023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 5...

Page 37: ...29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06...

Page 38: ...19 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592...

Page 39: ...1 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 Discharging Sensor R80 50K 3 B25 80 4450K 3 Temp Max K Normal K Min K Tolerance 30 14646 0505 12061 7438 9924 4...

Page 40: ...45 2 16 6 1541 5904 1355 6163 1191 0048 2 43 2 15 7 1458 1938 1284 3593 1130 2298 2 41 2 14 8 1379 7528 1217 2282 1072 8813 2 40 2 13 9 1305 9472 1153 9626 1018 7481 2 38 2 12 10 1236 4792 1094 3200...

Page 41: ...181 1 58 1 50 50 174 8228 163 7951 153 3249 1 56 1 48 51 167 3280 156 9733 147 1268 1 53 1 46 52 160 1904 150 4683 141 2090 1 51 1 44 53 153 3914 144 2641 135 5577 1 49 1 42 54 146 9136 138 3454 130 1...

Page 42: ...8302 30 4467 29 0970 1 33 1 30 95 30 7933 29 4246 28 0915 1 37 1 34 96 29 7950 28 4417 27 1254 1 41 1 37 97 28 8337 27 4961 26 1970 1 45 1 41 98 27 9078 26 5864 25 3048 1 49 1 44 99 27 0160 25 7110 24...

Page 43: ...0 2191 2 68 2 51 127 11 5475 10 7046 9 9142 2 72 2 55 128 11 2242 10 3957 9 6197 2 77 2 59 129 10 9112 10 0970 9 3352 2 81 2 63 130 10 6084 9 8082 9 0602 2 86 2 67 131 10 3151 9 5288 8 7945 2 91 2 71...

Page 44: ...1 6 2 1 The Instruction For AS24GS1ERA YJHJZH024BARRAFX SM...

Page 45: ...Domestic Air Conditioner 2 System Configration YJHJZH024BARRAFX SM 1 2 3 5 6 4 7 4 POWER SOFT button is not available for 07k 09k 12k...

Page 46: ...is below 16 o C do not use it in the Test operation Use this switch in the test operation when the room normal operation your finger from the switch the cooling Continue to press the test operation s...

Page 47: ...uiet sleeping function can t be set up After the sleeping function is set up if user resets TIMER function the sleeping function will be cancelled the machine will be in the state of timing on if the...

Page 48: ...tling of the air EUROPEAN REGULATIONS CONFORMITY FOR THE MODELS 1 1 2 kg R410A 2 kg 2 1 B C D F E kg A This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into...

Page 49: ...tdoor unit Place where cold air can be spread in a room entirely Place nearby a power receptacle with enough space around Place where the distance of more than lm from televisions radios wireless appa...

Page 50: ...ipes and the drain hose then fasten them with the adhesive tape Left Left rear piping In case of left side piping cut away with a nipper the lid for left piping In case of left rear piping bend the pi...

Page 51: ...onal are tool Clutch type clutch type Rigid type Wing nut type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage breaker Lean Damage of are Partial Too outside Correct Incorrect On Drainage It b...

Page 52: ...using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter The white s...

Page 53: ...ROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not u...

Page 54: ...nditioner immediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V Do not obstruct or...

Page 55: ...eiving the remote control signal display the set displayed and this room time the room temperature is temperature and in the rest temperature is only for reference Note to the power failure resume pre...

Page 56: ...the air conditioner automatically adjusts the fan speed according to room temperature In FAN operation mode the unit will not operate in COOL or HEAT mode but only in FAN mode AUTO is not available i...

Page 57: ...fter SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 rises by 1 futher The unit will run for further 3 hours then stops Temp is lower than temp se...

Page 58: ...irective 2002 96 CE of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products conditioning system treatment of the refrigera...

Page 59: ...nne cted with the outdoor unit Place where cold air can be spread in a room entirely Place nearby a power receptacle with enough space around Place where the distance of more than lm from televisions...

Page 60: ...t Rear piping Draw pipes and the drain hose then fasten them with the adhesive tape Left Left rear piping In case of left side piping cut away with a nipper the lid for left piping In case of left rea...

Page 61: ...laring Work of Piping Flare tool for R410A Conventional are tool Clutch type clutch type Rigid type Wing nut type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage breaker Lean Damage of are Par...

Page 62: ...indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Conditioner Replacement of Air Purifying Filter...

Page 63: ...ON PROHIBITION PROHIBITION PROHIBITION Do not start or stop the operation by disconnecting Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reco...

Page 64: ...inutes to protect the air conditioner immediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T...

Page 65: ...he indoor PCB Check to make sure that the indoor PCB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Check for faulty op...

Page 66: ...ection of IPM Page 67 3 Overcurrent protection of AC electricity for the outdoor model Page 76 F3 4 Communication fault between the IPM and outdoor PCB Page 68 F19 6 Power voltage is too high or low P...

Page 67: ...some models 6XSSRVHG Faulty connector connection DXVHV Faulty thermistor Faulty PCB 7URXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch before connect or disconnect connector or else parts damage...

Page 68: ...fan motor Operation halt due to breaking of the fan motor lead wires Detection error due to faulty indoor unit PCB RZ WR FKHFN DQ 0RWRU 1 Check connector connection 2 Check motor power supply voltage...

Page 69: ...put of fan motor connector I s m o t o r p o w e r voltage DC310V NO Yes Replace indoor unit PCB Replace fan motor Stop fan motor Is rotation number command pulse generated Is motor control power volt...

Page 70: ...ccurred KHFN WKH 30 PRGXOH PHWKRG Disconnect the compressor harness connector from the outdoor unit PCB To disengage the connector press the protrusion on the connector Then to measure resistance betw...

Page 71: ...ing disconnected 7URXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred NO YES Are they good 1 Pull out and reinsert the te...

Page 72: ...microcomputer 0DOIXQFWLRQ A thermistor error is detected by checking the temperature HWHFWLRQ 0DOIXQFWLRQ The thermistor input is above 4 9V or below 0 1V with the power on HFLVLRQ RQGLWLRQV 1RWH The...

Page 73: ...nect connector or else parts damage may be occurred YES NO the temperature exceeds 110 shortly after the machine 1 The cryogen may have been leaked during installation or there may be leakage in the p...

Page 74: ...off power switch before connect or disconnect connector or parts damage may be occurred YES NO Pull out the exhaust sensor and measure its resistance at standard temperatures according to the resista...

Page 75: ...posed indoor unit outdoor unit signal transmission error due to wiring error Causes Faulty PCB 7URXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch before connect or disconnect connector or else pa...

Page 76: ...age between positions 1 and 3 on the terminal of outdoor unit with a multimeter If 230VAC is available but 310DC not the power module is damaged replace it with a new one Test the outdoor power supply...

Page 77: ...ircuit to the microcomputer HFLVLRQ RQGLWLRQV 6XSSRVHG Supply voltage not as specified DXVHV the IPM module is broken the outdoor PCB is broken TURXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch...

Page 78: ...ty PCB 7URXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Malfunction unso YES YES NO 1 The wiring of compressor is incorrec...

Page 79: ...DXVHV Faulty compressor Faulty power supply 7URXEOHVKRRWLQJ DXWLRQ Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Yes IPM Module is damaged and...

Page 80: ...he total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop...

Page 81: ...e and strong wind If vibration may affect the house x the unit by attaching a vibration proof mat The marks from to in the gure are the parts numbers The distance between the indoor unit and the oor s...

Page 82: ...79 Domestic air conditioner Installation WARNING CAUTION YJHJZH024BARRAFX SM...

Page 83: ...80 Domestic air conditioner Installation YJHJZH024BARRAFX SM...

Page 84: ...id refrigerant to charge the system Charge the unit with gas refrigerant will cause the refrigerant in the cylinder to change its composition and will lead to a drop in performance Do not use a chargi...

Page 85: ...ns in the manual and make sure that they properly drain water so as to avoid dew condensation If not installed properly they may cause water leaks and damage the furnishings Do not spray water on the...

Page 86: ...Installation 83 Domestic air conditioner YJHJZH024BARRAFX SM...

Page 87: ...Installation 84 Domestic air conditioner YJHJZH024BARRAFX SM...

Page 88: ...Installation 85 Domestic air conditioner YJHJZH024BARRAFX SM...

Page 89: ...NO Wind direction Air outlet Cushion rubber 4 Installation dimension Unit mm 86 Domestic air conditioner Installation YJHJZH024BARRAFX SM...

Page 90: ...refrigerant should be charged according to E g m But the charge of refrigerant must be conducted by professional air conditioner engineer Before adding additional refrigerant perform air purging from...

Page 91: ...88 Domestic air conditioner Installation YJHJZH024BARRAFX SM...

Page 92: ...e g 1U18FS1ERA 89 Domestic air conditioner Installation YJHJZH024BARRAFX SM...

Page 93: ...BS1ERA 1U09BS1ERA 1U12BS1ERA 1U18FS1ERA 1U24GS1ERA Model Connecting wiring Power cable 3G2 5mm2 3G4 0mm2 3G1 5mm2 4G0 75mm 2 4G0 75mm 2 4G0 75mm 2 N 1 3 C L 2 L 1 N 2 POWER Outdoor unit To Indoor unit...

Page 94: ...18 4 11 6 25 25 25 110 Suction temperature sensor failure When the The wiring of compressor is wrong or the connection is poor 17 16 15 Lack of refrigerant Check if there is leakage in the unit m 91 D...

Page 95: ...r u d e c o r P 1 Remove the front panel Start the removal procedure of front grille when the panels are closed Slide the front panel side to side to release each axis When assembling align the right...

Page 96: ...edure 1 Lift an air filter upwards slightly and then pull it out downwards Insert the air filters along grooves when installing When installing insert 2 hooks of the air filter completely Step s t n i...

Page 97: ...d Front Grill 1 Release the marked four hooks When assembling install the front grille horizontally so as not to stuff the flap inside When assembling make sure the three hooks are caught properly Ste...

Page 98: ...ep Procedure Points 2 Remove the horizontal blade The horizontal blade is single Installation procedure 1 Since key pattern hook is provided rotate the blade and fit it to the left pivot first 2 Fit t...

Page 99: ...e 4 Pull the front grille out horizontallyandremove it When assembling install the front grille horizontally so as not to stuff the flap inside When assembling make sure the three hooks are caught pro...

Page 100: ...off all power supplies before disassembling work Step Procedure Points Remove the front grille Remove the assembly of the reduction motor 1 Remove the Drain pan 1 Loosen the marked screws under the sc...

Page 101: ...s or more after turning off all power supplies before disassembling work Step Procedure Points 2 Push the hooks on the back of the vertical blades and remove Loosen the marked 1 screws 9 5 Removal of...

Page 102: ...sen the screw of the drip proof plate 2 Lift and remove the drip proof plate Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Pr...

Page 103: ...t R410A into refrigerant cycle Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries Pay attention so that the r...

Page 104: ...Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Loosen the 6 screws 2 Remove the right side plate 9 8 Removal of Fan and Fan...

Page 105: ...9 9 Removal of Outdoor panel Step Procedure Points 1 Features 1 Loosen the service cover screw and remove the service cover Be careful not to FXW RXU QJHU E WKH QV RI WKH KHDW H FKDQJHU Removal of pr...

Page 106: ...tioner Step Procedure Points 2 Remove the panels 1 Loosen the 4 screws and lift the top panel 2 Loosen the screws of the panel 3 Pull and remove the front panel Removal of procedure AA99P2E0B AA99P2E0...

Page 107: ...104 Domestic air conditioner 9 10 Romoval of Electrcal Box Step Procedure Points 5HPRYH WKH LQJ screws then lift the electrical box Removal of procedure YJHJZH024BARRAFX SM...

Page 108: ...105 Domestic air conditioner 9 11 Romoval of the Side panel Step Procedure Points 1 RRVHQ WKH LQJ screws and remove the side panel Removal of procedure YJHJZH024BARRAFX SM...

Page 109: ...106 Domestic air conditioner Step Procedure Points 2 Remove the EDFN SDQHO 3 RRVHQ WKH LQJ screws and remove the side panel Removal of procedure YJHJZH024BARRAFX SM...

Page 110: ...ocedure Points 1 Loosen the LQJVFUHZ DQG remove the fan Put the lead wire WKURXJKWKH EDFN of motor when DVVHPEOLQJ VR DV QRW WR HQWDQJOHG ZLWK the propeller fan 9 12 Removal of fan and fan motor Remov...

Page 111: ...108 Domestic air conditioner Step Procedure Points 2 RRVHQ WKH LQJ screws and lift the fan motor Removal of procedure YJHJZH024BARRAFX SM...

Page 112: ...109 Domestic air conditioner Step Procedure Points 3 5HPRYH WKH LQJ screws then lift the IDQ PRWRU EUDFNHW Removal of procedure YJHJZH024BARRAFX SM...

Page 113: ...110 Domestic air conditioner Step Procedure Points 4 5HPRYH WKH LQJ screws then lift the proof plate Removal of procedure YJHJZH024BARRAFX SM...

Page 114: ...c air conditioner 13 5RPRYDO RI FRPSUHVVRU DQG KHDW H FKDQJHU Step Procedure Points 1 Cut down the FRQHFWLQJ SLSH and pull out the compressor and remove the YDOXH EUDFNHW Removal of procedure YJHJZH02...

Page 115: ...112 Domestic air conditioner Step Procedure Points 2 RRVHQ WKH PDUNHG LQJ VFUHZV Removal of procedure YJHJZH024BARRAFX SM...

Page 116: ...113 Domestic air conditioner Step Procedure Points 3 RRVHQ WKH LQJ KRRN DQG UHPRYH WKH KHDW H FKDQJHU Removal of procedure YJHJZH024BARRAFX SM...

Page 117: ...114 Domestic air conditioner Step Procedure Points 4 Remove the YDOYH EUDFNHW Removal of procedure YJHJZH024BARRAFX SM...

Page 118: ...LULQJ LDJUDPV Domestic Air Conditioner 115 10 Wiring Diagrams 10 1 Indoor unit YJHJZH024BARRAFX SM...

Page 119: ...W P N AC L LI AC N L0 CN25 N P CN28 2 N 1 L G G B CAP M VALVE MOTOR MOTOR NOTES THE DOTTED PARTS ARE OPTIONAL OUTDOOR UNIT WIRING DIAGRAM CAP CAP COMPRESSOR DON T TOUCH CAPACITOR EVEN AF TER PLUG OFF...

Page 120: ...XD2 41 P3_1 TRBO 42 P3_0 TRAO 43 P3_6 INT1 44 P3_2 INT2 45 P1_3 KI3 AN11 46 P1_2 KI2 AN10 47 P1_1 KI1 AN9 48 P1_0 KI0 AN8 49 P0_0 AN7 50 P0_1 AN6 51 P0_2 AN5 52 P0_3 AN4 53 P0_4 AN3 54 P6_2 55 P6_1 56...

Page 121: ...1 1 2 3 4 CN20 1 2 3 CN17 1 2 3 CN19 1 2 CN18 5V 5V R69 20K 1 R72 20K 1 R73 20K 1 R74 1K R76 20K 1 R70 1K R75 1K R71 1K C28 104 50V C27 104 50V C30 104 50V C29 104 50V E17 4 7U 16V E16 4 7U 16V E19 4...

Page 122: ...4 5 6 7 CN12 GND 5V MD1 RXD TXD FWP RES IC2 T600D C202 104 C203 104 C207 104 C208 104 IC5 HA17393AF IC6 HA1630D06 IC6 HA1630D06 R221 140 R216 10 R224 4 7K R211 1K R212 9 1K R209 1K R223 330 R210 6 8K...

Page 123: ...The end YJHJZH024BARRAFX SM...

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Johnson Controls YJHJXH024BARR-FX, Service Manual

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