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Haier H-MRV AF092FCBHA, Service Manual

The Haier H-MRV AF092FCBHA is a superior air conditioning system that guarantees optimal comfort in any space. Access its detailed Service Manual for free download at manualshive.com, offering step-by-step instructions and valuable information to ensure hassle-free installation, maintenance, and operation of this remarkable product.

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11.

 

Failure code and troubleshooting

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

AU242FHBHA Fault Code List 

Number of 

flashes by 

fault 

indicator 

Location Description 

Is it 

fixable 

1 

TE circuit of defrost 
temperature sensor, 
outdoor unit 

The detected sensor value is below 20H 
(open-circuit) or above 1000H (short-circuit) for 
60 seconds. The fault is fixable. 

Yes 

2 

TA circuit of ambient 
temperature sensor 

The detected sensor value is below 20H 
(open-circuit) or above 1000H (short-circuit) for 
60 seconds. The fault is fixable. 

Yes 

3 

TS circuit of suction 
line temperature 
sensor 

The detected sensor value is below 20H 
(open-circuit) or above 1000H (short-circuit) for 
60 seconds. The fault is fixable. 

Yes 

4 

TD circuit of 
discharge line 
temperature sensor 

After 3 minutes of compressor operation, the 
detected sensor value is below 20H 
(open-circuit) or above 1000H (short-circuit) for 
60 seconds. Fixable when below 80°C. 

Yes 

5 

TC circuit of central 
temperature sensor, 
outdoor unit 
condenser 

The detected sensor value is below 20H 
(open-circuit) or above 1000H (short-circuit) for 
60 seconds. 

。

 

Yes 

6 

Overcurrent 

An alarm is given five seconds after the current 
limit is exceeded. Where there are 3 alarms 
within 30 minutes, the fault code is displayed. 
The fault is not fixable.   

No 

9 

IPM protection   

IPM overcurrent, short-circuit, overtemperature 
and undervoltage. When the fault occurs three 
times within 30 minutes, an alarm is given and 
the fault is not fixable. 

 

10 

Base board EEPROM 
error 

857 EEPROM data access error, 11 flashes. 
The fault is not fixable. 

 

11 

Discharge line 
temperature 
protection (TD) 

After the compressor is started, the 
temperature detected by TD1 sensor is above 
120°C. The compressor is shut off in 5 seconds 
and an alarm is given. Where there are 3 
alarms within 30 minutes, the fault code 11 is 
displayed. The fault is not fixable.   

 

12 

857-to-809 
transmission error   

 

 

13 

High pressure switch 
circuit 

The high pressure switch is activated. The fault 
is corrected after the normal pressure is 
restored for 2 minutes. 

 

 

-163-

Summary of Contents for H-MRV AF092FCBHA

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Page 8: ... temperature heating 7 DB 6 WB 2 The noise level is sound pressure level value And it is measured in the following conditions 1meter beneath the unit and in front of the unit 1meter in the anechoic chamber flared Between I D O D MAX Drop I D O D 30 20 MAX Drop indoor indoor 10 Max length outdoor indoor Piping R407C 3200 φ9 52 liquid pipe 65g actual length φ6 35 liquid pipe 30g actual length Pipe φ...

Page 9: ... outdoor temperature heating 7 DB 6 WB 2 The noise level is sound pressure level value And it is measured in the following conditions 1meter beneath the unit and in front of the unit 1meter in the anechoic chamber 1PH 220V 50Hz MP2 MP3 to indoor 15 120 2 43 60 948X1250X340 1050X1375X440 7480 TP2M φ9 52 Total power input Max power input 8mm2 H 1060 30 M 920 40 L 620 50 Compressor Fan Running Max Ru...

Page 10: ...minal condition indoor temperature cooling 27 DB 19 WB indoor temperature heating 20 DB Outdoor temperature cooling 35 DB 24 WB outdoor temperature heating 7 DB 6 WB The noise level is measured at 1meter in front of the unit and 1 meter high to the ground flared Between I D O D 30 Total Piping length 100 MAX Drop indoor indoor 10 MP2 MP3 to indoor 15 30 Weight Net Shipping 120 135 Piping Refrigera...

Page 11: ...000 16000 Cooling capacity W 5300 4100 Heating capacity W 6200 4700 Dehumidifying capacity 10 m h 2 1 2 1 Power source N V Hz Power consumption W 20 70 Running current A 0 09 0 3 Starting current A 0 3 0 9 Refrigerant R407C R407C Noise level H M L dB A 42 6 35 0 31 7 48 44 38 Type Number centrifugal fan 1 centrifugal fan 1 Air flow H M L m h 1050 910 850 920 815 704 Fan motor output W 20 70 starti...

Page 12: ... 12000 Heating capacity Btu h 11000 13500 Cooling capacity W 2600 3500 Heating capacity W 3200 4000 Dehumidifying capacity 10 m h 1 6 1 6 Power source N V Hz Power consumption W 40 40 Running current A 0 2 0 2 Starting current A 0 6 0 6 Refrigerant R407C R407C Noise level H M L dB A 37 34 30 37 34 30 Type Number cross flow fan 2 cross flow fan 2 Air flow H M L m h 600 600 Fan motor output W 20 11 ...

Page 13: ...nit Unit model color Fan Heat exchanger Dimension L W H Controller type Refrigerant control Controller type Phone type infrared Refrigerant control Electronic expansion valve 25 39 37 30 44 41 38 7 6 10 6 11 14 CROSS 1 CROSS 1 about 0 20 about 0 20 1250 1050 900 1250 1050 900 630 520 410 640 570 450 TP2M 6 35 0 7 25 3 0 75mm 2 Communication cable 1 220 230 50 AS122FCBHA white AS142FCBHA white Runn...

Page 14: ...WB 2 The noise level is sound pressure level value And it is measured in the following conditions 1meter beneath the unit and in front of the unit 1meter in the anechoic chamber 44 41 38 11 14 Piping R407C Pipe 6 35 12 7 Connecting method Flared PVC 11 4 16 4 Controller type Phone type infrared Refrigerant control Electronic expansion valve TP2M 6 35 0 7 about 0 15 cooling 6 7 heating 43 60 Dimens...

Page 15: ...4000 Heating capacity Btu h 14000 16000 Dehumidifying capacity 10 m h 1 8 2 Power source N V Hz 1PH 220V 230V 50HZ 1PH 220V 230V 50HZ Refrigerant R407C R407C Noise level H M L dB A 42 38 32 42 38 32 Type Number centrifugal fan 2 centrifugal fan 2 Air flow H M L m h 650 550 400 700 550 400 starting mothod Relay control Relay control Heat exchanger Refrigerant control method External mm mm mm 828 22...

Page 16: ...0 900 700 starting mothod Relay control Relay control Heat exchanger Combination of wave cranny radiation fin and copper pipe Combination of wave cranny radiation fin and copper pipe Refrigerant control method Electronic expansion valve Electronic expansion valve External mm mm mm 1124 225 450 1124 225 450 Net kg 25 25 Liquid mm 9 52 9 52 Gas mm 15 88 15 88 Connection method flared flared Suited a...

Page 17: ...r be mounted in horizontal direction Testing method standing on floor unit If the unit cooling capacity is over 28000W the noise level should be measured at the front left right directions respectively mounting on ceiling unit mounting on wall unit built in ceiling unit 1m 1m 1m 1m 0 8m 1m 1 4m 1 4m 2m duct auxiliary duct 2m 1 4m 1m auxiliary duct 17 ...

Page 18: ...se level is the average sound pressure level measured from front left right directions 2 air outlet from top the noise level is the average sound pressure level measured from front back left right directions measured point H height to the ground h unit height 1m 2 and it is 1m to each side h 1m 1m 1m 1m 18 ...

Page 19: ... a__WcU S c a V e a Wc 3 Dimensions AU242FHBHA AU48 70 Power wiring terminal 25 18 55 948 70 184 380 840 184 340 580 948 1250 25 Power wiring Terminal 184 184 55 Screw Hole 580 70 380 18 340 18 4xM10 19 ...

Page 20: ... a__WcU S c a V e a Wc AB series AC series mm electrical box 630 630 570 700 495 12 40 35 58 52 570 15 315 201 215 20 276 53 100 240 100 900 990 655 200 880 620 605 600 40 35 35 30 199 mm 20 ...

Page 21: ...Ceiling concealed unit AF series a b C OVER 250 AE122FCBKA AE142FCBKA AE182FCBKA AE242FCBKA 990 858 AE072FCBKA AE092FCBKA unit model 93 615 704 a 54 240 100 122 1020 1350 452 452 650 800 b 452 452 c 55 25 225 30 225 R10 R5 25 21 ...

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Page 32: ...2 x 2x x0t230x y 2 x 32w 0 3 2 1 z x0 2 t V L 67zx 3 v 3 w t32 t2 vt 7 0x13 x 2 67zx M t x y3 v2 N B B gxy2 v230x 1 t 5 0xw 0x 2x v 20 x0L 5 v vt ux 31xw mx0 x1 5 0xw v 20 3 21 Ln x 0x 2x v 20 x0 vt ux 30v t1xw x620t 7N q 0xw 0x 2x 20 x0 31 z x2 wZ QNo1x x 5 0xw 0x 2x v 20 x0N mxx y z IQJ RN 1 vt u37 t 0x 2x v 20 x0 x620t 7L 0xt 8x 5 0xw 0x 2x v 20 K 0x 2x v 20 w3t v 20 wx1N FC dai nda lahjna _jin...

Page 33: ...0 1v0x5 x 1 2 y 2 x 5 0x 0x 2x v 20 x0L 2 x 120 x 2 x 5 w u v 2 2 x x1 0x1 xv2 4x 7L 2 x t z 2 x R 1v0x5 x y 2 x 5 0x v 20 x0 utv v 4x0 2 2 x 5 w u v L yt12x 2 x 5 0x 0x 2x v 20 x0 2 2 x 5t 31x 5 w 1v0x51N SN m5 2v 1x22 z n x 15 2v 1 1x22 z t1 y 51ZQNji RNjaa SNji TNjaa TN xv2 z x2 w t1 2 x y 5 z v t02 tv v 4x0 y 2 x 5 0x v 20 x0 k 1 3 2xw 5x0 t02 y 5 0x v 20 x0L ux vt0xy3 2 2 wt tzx 2N i m7 u v 3...

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Page 37: ...7A G 4 txp 23 16 53A A 4 EAj c 7 3 A3BB7 5 dpslw a Pa ztjyputMKcly jrujq juwwljyr ilmuwl xyhwyptn d _Zb uvlwhyputL 63 A3 31B txp 23 A 33232 e n 3 txp 23 uCAB 3AA txp 0CBB A3D3 B7 3A C B7 txp 23 27A 3 A l11 27 5 B B63 B7 3 A3BB7 5 A3 C3 13 4 txp zy 2 txp zqq 37B63 AB B AB A AB A AB B 1 03 3 7H32 d 7 3 1 47 7 5 l4B3 B7 3 A3BB7 5 3AA p 0CBB B 1 47 B7 3 dpslw a Na ztjyput l4B3 3 17 5 0 BB3 73A 74 E3 4...

Page 38: ...5 23Z 3AA B63 q 3A6 7 0CBB 4 B63 3 B3 1 B 3 B63 wno 27A GAV V 2 B63 C 7B 0357 A 1 B7 C CA 4 3A6 7 3 B7 k 3AA B63 0CBB 5 7 B63V V7 V V4 A63A 2 0357 CB B71 4 3A6 7 3 B7 3AA B63 0CBB 4 B63 B67 2 B7 3 B 1 13 4 3A6 7 4C 1B7 n B7 C CA 4 3A6 7 3 B7 j 6 B 7A B A G 74 B63 3 7A 7 B3 D3 B7 B63 4 3A6 7 3 B7 E7 1 B7 C CA G C 2 B AB lCB B71 4 3A6 7 3 B7 j 6 B 7A B A G B63 4 3A6 7 3 B7 C A 7 B3 7BB3 B G l4B3 b 7...

Page 39: ...u0 z 2N S Nn z t Z q x 2 x 3 2 uxx 1x22 z n z 03 zL 2 1 t u0 z 2N T Nk 5x0 t Z y2x0 x 2 x 3 2L 2 1 t u0 z 2 5 x 2 x 3 2x x 2x0 xt 2 03 zL 2 x t v t zx y0 0t zx 2 u 3x t N U Nd w 0 2x N 1x 1 0Z nx12 2 x 0 2x x0t230xN 5 7 8 9 6 d 12t t2 y 0xvx 4x w 1 t7 xvt31x y 2 x 2x x0t230x 1x 1 2 4x wx4 vxL w 2 12t 2 x 0xvx 4x w 1 t7 t2 120t z 2 13 z 2 tvxL x 2 x0 y0 2 y t 0 32 x2 z0 L y 0 2 1 xyyxv2xw z0xt2 7 y...

Page 40: ...NWMOV d MXUP TZbY UY _TQ RUS Q bUWW M QM ZY _TQ C 0 JTQ HQ Q_ N __ZY9 AY Q_ M ZUY_QP _ZZW 3XX UY_Z _TQ TZWQ ZR _TQ HQ Q_ N __ZY0 aQ d Q ZR _TQ _ZZW bUWW Q Q_ _TQQcU _UYS Q__UYS MYP _T QQ QOZYP WM_Q UYU_UMW Z Q M_UZY XZPQ bUWW M QM ZY _TQ C 0 40 JQ _ ZR QXZ_QOZY_ ZWWQ UQ0 EZ0 4 YU_ G Q KYU_ 4 N __ZY _TQ Y XNQ 4 RWM TQ bU_T M R Q QYOd ZR 2 e0 G Q _TQ XMOTUYQ Y XNQ Q_ N __ZY _TQ QWQO_QP YU_ Y XNQ bUW...

Page 41: ... MAJ L NIL O NEIH NAGJAL NOLA MAHMIL 5FA NLIG CHANE P FPA 9ON IIL DA N AR D HCAL 4ABLIMNEHC MAHMIL 5P JIL NEHC MAHMIL 5FA NLIHE ARJ HMEIH P FPA ABLECAL HN MNIL CA APE A Q S MNIJ P FPA 1 682810 6EFNAL Q S P FPA 3IGJLAMMIL LAMMOLA MQEN D 9EF MAJ L NIL Q S MNIJ P FPA 6 Refrigerant circuit 41 ...

Page 42: ...d capillary compressor capillary solenoid valve capillary evaporating temp sensor gas liquid separator suction temp sensor 4 way valve outdoor heat exchanger discharging temp sensor oil separator pressure switch MP3 electronic expansion box liquid inlet pipe temp sensor indoor heat exchanger air outlet pipe temp sensor accumulator 42 ...

Page 43: ...3 48 2 58 14 00 16 00 07 07 07 07 07 12 2 07 2 07 2 07 2 07 2 07 3 63 2 37 2 37 2 37 2 37 2 37 4 15 14 00 16 00 07 07 07 07 07 09 09 1 84 1 84 1 84 1 84 1 84 2 39 2 39 2 11 2 11 2 11 2 11 2 11 2 74 2 74 14 00 16 00 07 07 07 07 07 09 2 22 2 22 2 22 2 22 2 22 2 89 2 54 2 54 2 54 2 54 2 54 3 30 14 00 16 00 07 07 07 07 07 07 2 33 2 33 2 33 2 33 2 33 2 33 2 67 2 67 2 67 2 67 2 67 2 67 14 00 16 00 07 07...

Page 44: ... 13 13 15 00 07 07 07 12 2 60 2 60 2 60 4 55 2 97 2 97 2 97 4 55 12 35 13 46 07 07 24 18 1 71 1 71 6 06 4 52 1 95 1 95 6 93 5 17 14 00 16 00 07 07 24 14 1 84 1 84 6 54 3 78 2 11 2 11 7 47 4 32 14 00 16 00 07 07 24 12 1 92 1 92 6 81 3 36 2 19 2 19 7 78 3 84 14 00 16 00 07 07 24 09 2 04 2 04 7 26 2 66 2 34 2 34 8 29 3 04 14 00 16 00 07 07 18 14 14 1 60 1 60 4 24 3 28 3 28 1 83 1 83 4 85 3 75 3 75 14...

Page 45: ...14 00 16 00 09 09 09 09 09 07 2 43 2 43 2 43 2 43 2 43 1 87 2 77 2 77 2 77 2 77 2 77 2 13 14 00 16 00 09 09 09 09 09 2 80 2 80 2 80 2 80 2 80 3 20 3 20 3 20 3 20 3 20 14 00 16 00 09 09 09 09 24 2 08 2 08 2 08 2 08 5 68 2 38 2 38 2 38 2 38 6 49 14 00 16 00 09 09 09 09 18 07 2 06 2 06 2 06 2 06 4 19 1 58 2 35 2 35 2 35 2 35 4 79 1 81 14 00 16 00 09 09 09 09 14 07 2 21 2 21 2 21 2 21 3 48 1 70 2 52 2...

Page 46: ...3 09 3 09 3 62 3 09 14 00 16 00 12 12 12 14 09 2 85 2 85 2 85 3 34 2 12 3 26 3 26 3 26 3 81 2 42 14 00 16 00 12 12 12 14 07 2 95 2 95 2 95 3 46 1 69 3 37 3 37 3 37 3 95 1 93 14 00 16 00 12 12 12 14 3 36 3 36 3 36 3 93 3 84 3 84 3 84 4 49 14 00 16 00 12 12 12 12 3 50 3 50 3 50 3 50 4 00 4 00 4 00 4 00 14 00 16 00 12 12 12 09 07 3 25 3 25 3 25 2 41 1 85 3 71 3 71 3 71 2 75 2 12 14 00 16 00 12 12 12 ...

Page 47: ...4 14 14 09 09 3 28 3 28 3 28 2 08 2 08 3 75 3 75 3 75 2 38 2 38 14 00 16 00 14 14 14 09 07 3 40 3 40 3 40 2 15 1 66 3 88 3 88 3 88 2 46 1 89 14 00 16 00 14 14 14 09 3 85 3 85 3 85 2 44 4 40 4 40 4 40 2 79 14 00 16 00 14 14 14 07 4 01 4 01 4 01 1 96 4 59 4 59 4 59 2 24 14 00 16 00 14 14 14 4 67 4 67 4 67 5 33 5 33 5 33 14 00 16 00 14 14 12 18 3 38 3 38 2 88 4 36 3 86 3 86 3 29 4 99 14 00 16 00 14 1...

Page 48: ... 5 33 14 00 16 00 18 18 14 12 4 08 4 08 3 15 2 69 4 66 4 66 3 60 3 08 14 00 16 00 18 18 14 09 4 29 4 29 3 32 2 10 4 90 4 90 3 79 2 40 14 00 16 00 18 18 14 07 4 44 4 44 3 44 1 68 5 08 5 08 3 93 1 92 14 00 16 00 18 18 14 5 05 5 05 3 90 5 77 5 77 4 46 14 00 16 00 18 18 12 12 4 22 4 22 2 78 2 78 4 82 4 82 3 18 3 18 14 00 16 00 18 18 12 09 4 44 4 44 2 93 2 18 5 08 5 08 3 35 2 49 14 00 16 00 18 18 12 07...

Page 49: ...4 3 13 1 79 14 00 16 00 24 18 12 6 25 4 67 3 08 7 14 5 33 3 52 14 00 16 00 24 18 09 09 5 65 4 22 2 07 2 07 6 45 4 82 2 36 2 36 14 00 16 00 24 18 09 07 5 85 4 36 2 14 1 65 6 68 4 99 2 45 1 88 14 00 16 00 24 18 09 6 63 4 95 2 43 7 57 5 65 2 77 14 00 16 00 24 18 07 6 90 5 15 1 94 7 89 5 89 2 22 14 00 16 00 24 18 8 02 5 98 9 16 6 84 14 00 16 00 24 14 14 09 5 55 3 21 3 21 2 03 6 35 3 66 3 66 2 32 14 00...

Page 50: ... 14 00 16 00 24 12 07 7 89 3 89 2 22 9 02 4 44 2 54 14 00 16 00 24 12 9 23 4 55 10 55 5 20 13 78 15 75 24 09 09 07 07 6 10 2 23 2 23 1 72 1 72 6 97 2 55 2 55 1 96 1 96 14 00 16 00 24 09 09 07 6 95 2 55 2 55 1 96 7 94 2 91 2 91 2 24 14 00 16 00 24 09 09 8 08 2 96 2 96 9 24 3 38 3 38 14 00 16 00 24 09 07 8 50 3 11 2 60 9 71 3 56 2 74 14 21 16 00 24 09 9 23 3 38 10 55 3 86 12 61 14 41 24 07 9 23 2 60...

Page 51: ...4 12 7 1 2 AB18 9 52 3 8 15 88 5 8 AC14 9 52 3 8 15 88 5 8 AC18 9 52 3 8 15 88 5 8 AE07 6 35 1 4 9 52 3 8 AE09 6 35 1 4 9 52 3 8 AE12 6 35 1 4 12 7 1 2 AE14 6 35 1 4 12 7 1 2 AE18 9 52 3 8 15 88 5 8 AE24 9 52 3 8 15 88 5 8 AF09 6 35 1 4 12 7 1 2 AF12 6 35 1 4 12 7 1 2 AP18 9 52 3 8 15 88 5 8 AS07 6 35 1 4 12 7 1 2 AS09 6 35 1 4 12 7 1 2 AS12 6 35 1 4 12 7 1 2 AS14 6 35 1 4 12 7 1 2 AS18 6 35 1 4 1...

Page 52: ...e manifold pipe Gas side Liquid side Less than 38220Btu h 15 9 9 52 38220 61157Btu h 19 05 9 52 61157 126137Btu h 25 4 12 7 Note 1 Y shape manifold pipe can be placed in horizontal or vertical direction 2 The manifold pipes must be welded with hard solder 3 Pay attention to cut off the unnecessary part from its middle parts of each joint and to remove burr a__WcU S c a V e a Wc 52 ...

Page 53: ...tion according to the actual condition The refrigerant flow direction is always from the collective side to the divided side vertical floor surface floor surface floor surface floor surface horizontal floor surface floor surface floor surface floor surface floor surface vertical horizontal a__WcU S c a V e a Wc 53 ...

Page 54: ...place The box should be installed where the place a do not have vibrations b easy to piping with the indoor and the outdoor unit and the distance from the box to the indoor unit should not exceed a certain value c do not have a heat or steam source nearby d should be sunless and be dry e should be well ventilated and rainproof f do not have a strict noise restriction because when working the box m...

Page 55: ...ion wire must be corresponding with the code A B C on the device NOTE When using two or more than two MP3 devices need two or more than two MP3 devices on connecting more than three indoor units MUST mark definitely Room code of connected indoor unit on the MP3 label so as to air conditioner maintain conveniently b When connecting indoor unit firstly please weld MP3 with the corresponding contribu...

Page 56: ...on the wiring must be fixed firmly with wire clip Note Cutoff the pipe of standard accessories according to indoor distribute pipe diameter then connect it with MP3 Outer diameter 6 35mm Inner diameter 9 52mm Inner diameter 6 35mm Wax sealed 9 52 Connect with pipe diameter 9 52mm on liquid side For example Outer diameter 6 35mm 671 9E LJ FI K I AE FFI LEAKJ GC 9J FE AID K 671 HL9EKAKO 9 FI AE KF K...

Page 57: ...st branch pipe 30m 5 Max drop between outdoor unit and indoor unit H 20m indoor above outdoor H 30m indoor below outdoor 6 Max drop between the two indoor units h 10m 7 Expansion valve is less than 15m to its corresponding indoor unit 8 Only wall mounted types are connected with expansion valves 9 The expansion valves of different indoor models are different 10 The first branch pipe must use FQG 1...

Page 58: ...old wall type units you only can connect max 6 sets and set their addresses with address setting controller 4 when outdoor unit connects with 8 units according to admissible combination example except for the No 3 example please set address of the anterior 6 indoor units with the address setting remote controller and then set address of the latter 2 indoor units with dialing switches Or using belo...

Page 59: ...her 9000BTU units AS09 or other 9000BTU 12000BTU units B 5 by one Haier AU48 Expansion valve AS09 or other 9000BTU units AS09 or other 9000BTU units AS09 or other 9000BTU units AS09 or other 9000BTU units AS09 or other 9000BTU units AS09 or other 9000BTU units Combination examples A 6 by one a__WcU S c a V e a Wc 59 ...

Page 60: ...AB09 or other 9000BTU 12000BTU units AS09 or other 9000BTU 12000BTU units AC18 or other 18000BTU 14000BTU units Haier AU48 AP18 or other 18000BTU units AS18 or other 18000 14000BTU units AS09 or other 9000 12000BTU units PMV 1 D 3 by one a__WcU S c a V e a Wc 60 ...

Page 61: ... KLQ BKQBO QEB MFMBPp tp BIAFKD LC MFMBP p 0K TBIAFKDn QEB KFQOLDBK PE II B RPBA QL SLFA LUFA QFLK LC QEB MFMB FKKBO M OQp p 8EB OBCOFDBO QFKD MFMB PE II RPB IB K KBT MFMBPp EBK TLOHFKDn FQ PE II Q HB PQBMP QL MOBSBKQ T QBO KA ARPQ COLJ BKQBOFKDp p EBK ILLPBKFKD KA QFDEQBKFKD QEB KRQPn QTL PM KKBOP PE II B RPBAp 0C RPFKD LKB PM KKBOn FQ K KLQ OB E QEB ABPFOBA ABDOBB LC QFDEQKBPPp xpuw sspz lsptHDC...

Page 62: ...K LC MFMBP 0KPRI QFLK LC O K E MFMB M OQ CQBO LKKB QFLK QEB QQ EBA EB Q FKPRI QFLK J QBOF IP LC QEB O K E MFMB TFQE QEB PFQB MFMBPn FKA QEBJ MOLMBOIVp 4O BOQF I AFOB QFLK OLKD LOOB Q LOFWLKQ I AFOB QFLK ILT AFOB QFLK LC OBCOFDBO KQ OLKD LKKB QFKD AFOB QFLK ILT AFOB QFLK LC OBCOFDBO KQ LOOB Q RQ LCC FK JFAAIB KA MOLMBOIV TFQE Q MB 0KPRI QFKD J QBOF I l OO KDBA FK PFQBm 0KPRI QFKD J QBOF I l OO KDBA...

Page 63: ...J KK JC E Q LB NMGQGLMSQ E Qp 9FC GLBMMP SLGR CVN LQGML T JTC KSQR C MNCLp ASSKGLE MD RFC NGNCQ LB GLBMMP SLGR lSQGLE T ASSK NSKN RM T ASSKQn GR GQ QRPGARJW DMP GBBCL RM SQC PCDPGECP LR NSPEGLEm p FMMQC MD T ASSK NSKN GR QF JJ AFMMQC RFMQC RF R A L PC AF EMMB T ASGRW lMTCP trr6 m LB F TC J PEC GP BGQAF PEC KMSLR lMTCP vr2qKGLmp p DRCP DGLGQFGLE RFC GPRGEFR OS JGRW RCQR LB RFC LGRPMECL BGQAF PEGLE ...

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Page 66: ...cause the EEV does not reset the indoor units maybe drop water ice up We recommend that the indoor unit connect to power supply from the outdoor unit or use one power supply with the outdoor unit If the indoor unit need connect power supply individually the personnel must explain to the customer that he she must switch off the unit with wired controller or remote controller then he she can shut of...

Page 67: ...m hjdnopm 3b3fdo c i i_ rjmfncjk 3 Fj ijo n o oc pido di oc kg rc m _ nomp odq b n np c n npgapmd d_ b n jm kpib io b n ocdii m i_ b njgdi ji iom o n i_ m o din3 Qg nomjib ijpbc oj npkkjmo oc pido r dbco3 Oj sk indq mod g n np c n o g qdndji i_ kd ij gjr di_jjm pido3 Gijpbc nk ajm h dio i i 3 Qg hjm oc i 6h r t amjh o g qdndji i_ m _dj oj qjd_ _dnopm dib o g qdndji i_ m _dj3 65 G nt ajm h dio i i ...

Page 68: ... ojm jm QWE op rdoc r o m3 Ka pido dn odgodib b dino oc _dm odji ja r o m _m di b 1kmj g h h t j pm ji agj odib r o m g f b 3 Ki oc n ja dgdib gm _t sdnon 6 Kino gg pido o hkjm ggt 7 C_epno oc c dbco i_ kjndodji ja oc pido3 8 Qmj _ rdoc kmj _pm 9 ja Ki oc n ja ij dgdib Opo Qm k m di a dg_ X nc m Qm k m _ di a dg_ Tpnk i_dib jgon H no i _jp g ipon Kin mo X nc m adsdib k _ km k m _ di a dg_ Z n pm o...

Page 69: ...i b cjn 7 5hh pio m gjr 55hh Fm di b cjn gjr hh 775hh Tgjk gjr 64655 Ejii odji _m di b cjn rdoc U2ejdio gjr 55hh 32 393 Kino gg odji ja Pmi h io Q i g Kino gg jmi h io k i g ji di_jjm pido 6 Ec f rc oc m di_jjm pido dn cjmdujio g rdoc g q g m jm kjgtoc i kdk adgg _ rdoc r o m 1 i_ c f oc o oc _dh indji ja oc dgdib jk idib dn jmm o3 U f jaa oc g q m b pb ajm dino gg oc jmi h io k i g3 7 H no i oc n...

Page 70: ... hjojm Mdlpd_ dig o kdk I n jpog o kdk Fm di cjn 6 7 9 8 PQGO EMPTG Xc i do n i nn mt oj jk i oc dm dig o bmdgg 1 kg n kpgg r t oc ads _ jgo jm_dib oj oc gjr kmj _pm Hdmnogt 6 7 1 oc i 8 9 jm 8 9 admnogt1 oc i 6 7 3 Uj qjd_ 6 9 admnogt1 jm 7 8 admnogt3 32 3 3 E podjin ajm jk m odji oc k i g a__WcU S c a V e a Wc 70 ...

Page 71: ...n hose Right side Remark The main unit can be wired before the indoor unit is installed Select the most appropriate installation order A FLOOR CONSOLE TYPE 1 DRILLING FOR PIPING Select piping and drain directions Fig 2 Series14 18 24 The piping and drain can be made in three directions as shown below down Pipe connection requirement Please refer to the specification to confirm the stop valve diame...

Page 72: ...portion Fig 8 OK NO NO Drain hose CAUTION Wall 10cm 6mm Indoor unit outdoor unit Fig 4 For series 14 18 24 when installing set to wall install the accessory wall bracket at the position shown in Fig 5 and mount the set to it Fig 5 Wall bracket Side of set 65 5cm 99cm 50cm 24 5cm 6 5cm 12 5cm 10cm 6 5cm 53cm 4 5cm 7cm hole 3 5cm hole Drain pan Drain hose Nylon fastener Fig 6 Fig 7 Drain pan Drain h...

Page 73: ...is tilted downward toward the outdoor for smooth water flow With a concrete drill drill four 12 7 mm dia Holes Fig 12 Wall 6mm 60 to 70mm 12 7mm Fig 13 Install the drain hose at the rear it should not be installed on the top or right side CAUTION 3 INSTALLING BRACKETS Fig 14 Install the brackets with nuts washers and spring washers Fig 14 4 INSTALLING INDOOR UNIT Reset the hex bolts as shown in Fi...

Page 74: ...g 18 Fig 18 Piping hole Base Bottom Intake grill VT wire hole Pass the drain hose through here For series 14 18 24 Cut the grill Fig 17 OK Remove the hole cover Arrange the drain hose lower than this portion Drain hose NO GAS LEAKAGE INSPECTION After connecting the piping check the joints for gas leakage with leakage detector CAUTION HOW TO CONNECT WIRING TO THE TERMINALS A For solid core wiring o...

Page 75: ... POWER CABLE AT THE CORD CLAMP Fig 19 Insulation Strip 25mm Loop Strip 10mm Round terminal A Solid wire B Strand wire Screw with special washer Round terminal Wire Terminal board Screw with special washer Round terminal Wire Fig 20 Insulation tube Cord clamp Use VW 1 0 5 to 1 0 mm thick PVC tube as the insulation tube ELECTRICAL WIRING CAUTION 1 Match the terminal block numbers and connection cord...

Page 76: ...ION Be careful not to pinch the lead wires between the electric component box and base Fig 22 Electric component box Remove the four tapping screws CAUTION Do not remove the screws If the screws are removed the electric component box will fall Fig 23 Electric component box Fig 24 Base Electric component box cover Remove the three tapping screws a__WcU S c a V e a Wc 76 ...

Page 77: ...ranch circuit and install a special receptacle to supply power to the room air conditioner 2 Use a circuit breaker and receptacle matched to the capacity of the room air conditioner 3 The circuit breaker is installed in the permanent wiring Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between each pole 4 Perform wiring work in accorda...

Page 78: ...hinges on the bottom of the intake grill into the holes in the base assembly Then mount the arms to the three areas on the top of the intake grill Fig 29 1 Cut the right side of the intake grill This is only when the pipe exits from the right side 3 Mount the intake grill Fig 28 Fig 30 Cover plate Left Fig 26 Cover plate Right a__WcU S c a V e a Wc 78 ...

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Page 83: ... gjZa f4 Oh f Ydd l nYdn k gf l gml ggj mfal4 C c oal Y d YcY_ l lgj gj kgYh oYl j l Yl a l j ak _Yk d YcY_ Yl l hah gff lagfk Yf Zgff lk4 IfkmdYlagf lj Yle fl Oh jYl afkmdYlagf lj Yle fl gf Zgl l _Yk ka Yf daima ka g hah k j kh lan dq4 Dmjaf_ ggdaf_ gh jYlagf2Zgl l daima Yf _Yk ka k Yj gd Yf l mk k Ydd Z afkmdYl kg Yk lg Ynga o _ f jYlagf4 T afkmdYlaf_ eYl jaYd Yl _Yk ka k Ydd Z j kaklYfl lg Y l ...

Page 84: ...anel and front grille in their orginal positions once all connections are complete Tool necessary 1 Screw driver 2 Hacksaw 3 70mm dia hole core drill 4 Spanner dia 17 27mm 5 Spanner 14 17 27mm 6 Pipe cutter 7 Flaring tool 8 Knife 9 Nipper 10 Gas leakage detector or soap water 11 Measuring tape 12 Reamer 13 Refrigerant oil Standard accessories Following parts shall be field supplied Note There isn ...

Page 85: ... section free from cracks Joint Spanner Spanner Nut Apply refrigeration oil on the end of the pipe to be connected and on the flared section Align the pipes to be connected and tighten the nut See the figure Ensure that no foreign articles enter into the pipes Flared pipe connection Liquid Gas Indoor side Outdoor side Thickness of wall Wall hole 70mm Cross section of wall hole Piping connection of...

Page 86: ...ote N L R R W B Y G Q P TO POWER SUPPLY 1PH 220 230 50Hz CONNECT TO OUTDOOR UNIT Process of wire connections 1 Loop terminal After removing the screw fix the wire ring on the screw reinsert the screw into the block terminal and then tighten the screw 2 Straight terminal After loosening the screw inset the wire end into the block terminal and then tighten the screw Slightly pull the wire to see if ...

Page 87: ...lator normal Liquid pipe Pipe diameter Size A mm 0 8 1 5 1 2 2 0 6 35mm 1 4 12 7mm 1 2 Gas pipe A Correct Incorrect Lean Damage of flare Crack Partial Too outside Flare tooling die Others The power plug should be connected as follows L for live line N for neutral line and for grounding Voltage single phase1PH 220 230V 50Hz The power source must be grounded Connection parameters H05RN F 3G 1 0 1 5 ...

Page 88: ...the terminal connector shall be fixed firmly and reliably not to let external force exercise on the cables Any improper connection or fixing would cause heat fire and other accidents Wiring shall be done in a correct shape not to make any section rise upward and accurately install the air conditioner The cable shall not be clamped by the lid or outer plate Any improper installation would lead to f...

Page 89: ...ard Power supply must be grounded effectively An electric leakage breaker shall be installed Layout of power supply wiring shall be Y connection If the power supply wire is damaged it must be replaced by the manufacturer or its service center or professional person the power supply wire shall be self contained For connection of the power supply plug L shall be connected with the live wire N shall ...

Page 90: ...nlet and outlet are not blocked Install the indoor unit where the drainage is easy and the outdoor unit can be Easily connected Install the indoor unit where its cold air and hot air can be easily sent to all the comers of the room Install the indoor unit where the power socket is near and there is sufficient space around the indoor unit Install the indoor unit where there is no T V set radio set ...

Page 91: ...r the lid for left piping In case of left rear piping bend the pipes according to the piping direction to the mark of hole for left rear piping which is marked on heat insulation materials a Insert the drain hose into the dent of heat insulation materials of indoor unit b Insert the indoor outdoor electric cord from backside of indoor unit and pull it out on the front side then connect them c Coat...

Page 92: ...ut 10mm of the exposed strand wiring 2 Using a screwdriver remove the terminal screw s on the terminal board 3 Using a round terminal fastener or pliers securely clamp a round terminal to each stripped wire end 4 Position the round terminal wire and replace and tighten the terminal screw using a screw driver CAUTION After connecting the piping check the joints for gas leakage with gas leakage dete...

Page 93: ...r completely drained to outdoors Are power wire and connection wires between indoor and outdoor units correctly connected Is any gas leaked from the pipe connectors Are series numbers of the terminals on the indoor and outdoor units corresponding to each other Is the connection section of the auxiliary pipe insulated Is the indoor unit fixed firmly Is noise big Trial Operation The person who has c...

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Page 98: ...electrified the temp difference is 5 degree 4 Defrosting control In heating mode defrosting sensor TE will check the frost state of outdoor heat exchanger to control the defrosting 5 4 way valve reliable operation control 1 Purpose reliable conversion of 4 way valve 2 Startup control a If 4 way valve not being electrified before starup the 4 way valve will convert directly In heating mode after th...

Page 99: ... has 3 stages Current is over A frequency will increase to the target frequency Current is between B and C frequency will decrease current is below B at the beginning it not rises then rise slowly when it is over B stop rising to decrease frequency operation Peak current is over C and keep it for a period the unit will be standby state meanwhile sends out the failure signal If running for another ...

Page 100: ...sor and the transducer when startup the unit will decrease the startup load and operate as follow Within 3 minutes after the compressor starts up the unit runs at the fixed low frequency of 50Hz to prevent the liquid type refrigerant being sucked into the compressor Open solenoid valve to make it pass by and run with low load 3 minutes later the unit will run at the target frequency 2 3 Reducing p...

Page 101: ...put control to adjust the fan speed according to the ambient temperature Ta and the coil temperature Tc Startup stage in cooling Ta 16 high speed Ta 16 low speed Cooling mode dehumidification Ta 32 high speed Ta 31 Tc 45 high speed Ta 31 40 Tc 44 med speed Ta 31 Tc 39 low speed Low ambient cooling Ta 15 Tc 30 fan motor stops Tc 50 fan motor runs for 20 seconds at low speed Startup stage in heating...

Page 102: ...trol of refrigerant spray valve SV2 Control of refrigerant spray according to the overheat state of compressor discharging the unit will control the open time of SV2 7 1 Control conditions A In cool heat dry mode SV2 can be controlled B Within soft startup period 3 minutes after compressor starts up the abnormal suction temp discharging temp of compressor will be ignored 7 2 After compressor start...

Page 103: ...Entering condition Indoor thermostat OFF time is over 30 minutes after oil return operation time again from beginning In heating mode compressor runs for 1 hour in all after oil return operation time again from beginning Operation procedure After oil return signal has been sent to indoor for 30 seconds the unit will begin oil return operation Compressor running frequency is the oil return frequenc...

Page 104: ... jumping frequency function does not work only after the frequency is steady if the output frequency is in the jumping frequency range this function will work so the final output frequency is jumping frequency point value jumping frequency band 14 Time shorting function As long as one indoor unit is in time shorting the outdoor will enter 1 60 second time shorting function 15 Oxygen generator cont...

Page 105: ...erature 24 as base point at this temperature press SWING SLEEP button 7 times within 5 seconds the buzzer sounds two times and enters the temp compensation set mode in heating at this time if you shut off the unit when the adjusted temperature is 25 the temp compensation is 1 If you shut off the unit when the adjusted temp is 26 the temp compensation is 2 and so on The max temp compensation is 6 a...

Page 106: ...es later low speed When fan speed changes from low to high there is no delay and when changing from high to low there is 30 second delay Thermostat OFF fan motor stops in 3 minutes meanwhile the valve goes back to standby angle and 3 minutes later it is low speed Fan speed adjustment by hand when unit is running you can set High Med Low Auto speed due to request 2 4 No temperature compensation in ...

Page 107: ...when thermostat is ON for first time cooling 200 pulse heating 350 pulse 4 2 In cooling modify the base open angle according to the indoor coil temp and discharging temp 4 2 1 Correction of Overheat value The function can work in 4 minutes after starting up in cooling including startup of the protective stop The adjustment interval depends on the compressor running frequency as below Frequency Hz ...

Page 108: ...the outdoor group number is different from the indoor previous group No the previous No and unit No will be cancelled the group No from outdoor will be saved in this indoor EEPROM meanwhile indoor power LED run LED and timer LED will flash together at 2Hz frequency 3 second interval waiting for setting unit number In indoor unit has not group number it will not receive the unit number When indoor ...

Page 109: ... other modes can be set or the unit can not start up or be standby In abnormal mode fan motor stops this malfunction can be resumed automatically 5 12 Manual defrost for some outdoor not available Press SWING button 8 times the buzzer will sound 3 times and then sends defrost signal to outdoor The outdoor will stop the present operation and begin defrost 5 13 Water pump and float switch Water pump...

Page 110: ... R W CN25 LU LU LU LU COMPRESSOR BR M M M M CN4 CURRENT TEST HW HW HW HW R R R R B B B B B 5V 5V 5V 5V 13V 13V 13V 13V ARM ARM ARM ARM CN1 LU LU LU LU 0V 0V 0V 0V HU HU HU HU HV LV LV HV HV LV LV HV 1A 250V FUSE CN2 LW LW LW LW CN3 SWITCH PRESSURE P CN16 R R POWER RELAY CN5 B CT CAPACITOR BR BL CN21 B BL CN6 B BL BL FAN MOTOR SOLENOID VALVE 30A 250V B B B B B ELECTRO EXPANSION VALVE CN13 R PTC CN ...

Page 111: ...WIRING DIAGRAM FOR AU48NFIBIA 0010574131 5 Power 1 1 CN212 CN204 3 2 1 T3 15A 250VAC CF1 CF2 FAN1 3 FAN2 1 2 2 3 4 5 CN211 5 4 RY207 RY209 RY208 CN210 RY206 M 3 1 2 GN 3 2 BL 1 CN209 RY205 OX P 4 WAY CN318 6 6 R101 R114 L2 RECTIFIER 3 Noise Filter W V U IPM P N C102 C105 C101 C104 C103 C106 8 8 20 CN103 11 12 16 19 15 20 CN201 11 12 19 16 15 7 4 1 CN203 1 7 4 9 10 8 11 13 12 7 RY101 1 2 CN107 PTC ...

Page 112: ... Uninstalling Valve R Resistance R Running Capacitor Running Capacitor W B Refrigerant Throwing Valve 2 Heater O Oxygen Maker 4 way Valve B R 1 CN11 CN13 Fuse 8 8 CN8 2 1 3 2 1 3 2 3 2 3 1 2 AC 1 2 1 CN4 CN5 CN7 CN6 9 2 1 11 10 9 2 1 11 10 CN15 4 3 1 2 W B CN1 2 1 CN14 2 1 CN9 1 ON SW02 SW04 3 4 1 2 6 7 5 4 5 2 3 1 7 6 CN16 2 CN10 RL1 CN9 M Motor 1 2 1 3 4 5 RL8 RL9 RL10 2 3 1 2 3 1 2 3 RL5 3 1 1 ...

Page 113: ...OUVER PUMP MOTOR Y G FAN MOTOR ROOM TEMP SENSOR SIGNAL RECEIVER BOARD LIQUID PIPING SENSOR GAS PIPING SENSOR ELECTRO EXPANSION VALVE CN4 BL CN13 R R CN1 CN15 FLOAT SWITCH B CN14 CN11 CN12 CN10 LO Y Y COM CAPACITOR HI MED T3 15A 250V FUSE AB092 142 182FCBHA INDOOR WIRING DIAGRAM INDOOR PCB M CN6 W B TEST CN17 serial CN5 CN16 CN18 0010570136 113 ...

Page 114: ...T FAN MOTOR B BLACK BL BLUE Y G YELLOW GREEN R RED C1 L C2 W WHITE ELECTRO EXPANSION VALVE SIGNAL RECEIVER BOARD AC142 182FCBHA INDOOR WIRING DIAGRAM SW1 LOUVER MOTOR LOUVER MOTOR CN7 250VAC 3 15A TEMP COMPENSATION INDOOR PCB FT2 M CN5 MED HI M CN4 COM LO W CN12 TEST CN8 CN2 M CN10 CN6 BL W Y G B SW2 ON OFF FT1 2 1 3 4 R R SP8 ROOM TEMP SENSOR LIQUID PIPING TEMP SENSOR GAS PIPING TEMP SENSOR 00105...

Page 115: ...indoor and electronic expansion valve the label respectively other wise will cause and communication box power supply expansion valve electronic power and communication from corresponding Must connect electronic expansion valve box NOTE indoor power 1PH 220 230V 50Hz connector for float switch CN11 RL4 10A 250VAC 105 auxiliary electric heater only applicable for unit with RL3 RL2 RL1 LED3 LED2 LED...

Page 116: ...espondent respectively L and N must not be connected Valve box power supply and communication wire must be connected with the corresponding NOTE indoor 2 Electronic expansion valve wiring diagram FUSE T3 15A 250VAC brown CN13 valve 1 CN14 valve 2 CN15 valve 3 COM2 CN6 CN5 neutral wire 2 live wire 2 CN4 CN3 COM1 CN2 neutral wire 1 CN1 live wire 1 2 M 5 brown black white white black EEV 1 M 3 4 2 4 ...

Page 117: ... T 3 15A 250V CN12 INDOOR WIRING DIAGRAM FOR AF092 122FCBHA M BOTTOM CN9 BOARD RECEIVING CN8 OPTIONAL BOARD LOUVER MOTOR M M SPACING SWITCH CN15 CN11 ELECTRONIC EXPANSION VALVE GAS PIPING TEMP SENS0R TOP FAN MOTOR M CN18 LIQIUD PIPING TEMP SENS0R BOTTOM FAN MOTOR CN17 M CN13 TOP LOUVER MOTOR AMBIENT TEMP SENSOR CN16 CN14 0010571510 _ VbTZR Zb _ UZdZ_ Vb 117 ...

Page 118: ... BROWN 3 4 W VIEW A 1 B 2 R M VIEW A Y G CN2 CN10 Display Bar ON Control Board CN1 XB1 R W CN11 XB2 CN14 CN12 SW2 CN13 CN7 B L Y G M W N CN6 OFF CN5 CN8 STEPPING MOTOR EARTHING ROOM TEMP SENSOR 0010573625 FAN MOTOR EMERGENCY SWITCH LIQUID PIPE TEMP SENSOR TO ELECTROMAGNETIC VALVE BOX TRANSFORMER SW01 AS07 09 12 14 182FCBHA INDOOR WIRING DIAGRAM GAS PIPE TEMP SENSOR R RED W WHITE B BLACK C1 C2 R R ...

Page 119: ...R M CN7 SERIAL MOTOR Y G M FAN HEALTH1 HEALTH2 CN8 CN5 ROOR TEMP SENSOR SS TEST CN2 CN3 GAS PIPE TEMP SENSOR CN4 LIQUID PIPE TEMP SENSOR COLOR DESCRIPTION 1PH 220 230V 50Hz YELLOW GREEN OR 250V 3 15A c1 SWING MOTOR M FUSE FT3 CN6 FT2 W B B RED GREEN G R BLACK BL BLUE WHITE Y G W B Y G N L R R TERMINAL BLOCK R R c2 Y G CONNECTED WITH OUTDOOR UNIT YELLOW Y ORANGE POWER SUPPLY 0010540813 119 ...

Page 120: ...320 VTdbZT URdR vusv J TZbTeZd UZRXbR R U RZ V VTdbZT Rbd c VTc _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB circuit diagram 120 ...

Page 121: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB top layer printed diagram 121 ...

Page 122: ... _ VbTZR Zb _ UZdZ_ Vb AU242FHBHA PCB bottom layer printed diagram 122 ...

Page 123: ...K 2 17 metal film resistance RJ16S 470K 1 18 metal film resistance RJ17S 100 1 19 metal film resistance RJ17S 470 1 20 jumper 5mm 0 6 6 21 jumper 10mm 0 6 21 22 jumper 15mm 0 6 6 23 series resistance 10KΩ 5 1 24 series capacitor 0 001µF 9 1 25 chip capacitor CK45 50V 0 01µF 11 26 porcelain capacitor CK45 50V 0 1µF 8 27 porcelain capacitor CC1 50V 30PF 4 28 electrolytic capacitor CD110X 25V 100µF 4...

Page 124: ...D22 12 1 62 resistance S14KV350 2 63 PTC PTH491B06AR400H300 1 64 SCM MB89P857 OTP 1 65 SCM TMP87P809N OTP 1 66 EEPROM BR93LC66 1 67 EEPROM BR93LC46 1 68 communication chip MM1007 1 69 driving chip TD62003AP ULN2003 1 70 driving chip TD62803AP ULN2803 1 71 NAND gate HD14011BP MC14011 1 72 power supply monitor PST600D 2 73 constant voltage board MC7805 ST7805 1 74 pin KET6 3 5 75 socket TJC8 2A stra...

Page 125: ...eutral wire CN11 Power supply live wire To live wire CN12 Earthing wire To earthing wire CN13 Communication wire port To communication wire CN14 Sensor port Including defrost discharging ambient temp suction evaporating temp sensor CN15 Electronic expansion valve EEV port To EEV CN16 High pressure switch port To high pressure switch CN19 SERIAL Serial detecting port of chip 846 CN22 Spray valve po...

Page 126: ...FOR106 R16 2K R3 82K 3W C8 0 1U 50V C5 222 35V C2 B81130 A1104 R1 4 7 5W Pgnd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 E28028 TR1 CD5 220U 25V VD9 FOR106 R13 2K CD4 220U 25V VD8 FOR106 R10 2K CD3 220U 25V VD7 FOR106 R7 2K CD2 220U 25V VD6 HER204 R4 2K C7 0 1U 50V C6 0 1U 50V C5 0 1U 50V C4 0 1U 50V SoftStart 1 FB 2 Isense 3 GND 8 5 DRAIN 4 Vcc 7 IC1 ICE2A265 R23 RJ17 360K R27 20 R25 1 CD7 100U 25V CD8 104...

Page 127: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA high voltage PCB printed diagram 127 ...

Page 128: ...C1104 275V C1 C2 C3 3 18 power filter LX102 LX1 1 19 terylene capacitor CL21X 63V 0 01UF ECQB 50V 103J C9 1 20 electrolytic capacitor CD110X 400V 100UF CD1 1 21 electrolytic capacitor CD110X 25V 220µF CD2 CD6 5 22 electrolytic capacitor CD11CX 25V 100uF CD7 1 23 electrolytic capacitor CD11CX 25V 10uF CD8 1 24 electrolytic capacitor CD110X 50V 2 2uF CD9 1 25 diode FR106 VD5 V7 VD11 VD13 7 26 diode ...

Page 129: ... CN4 1 42 socket B2P3 VH white CN7 1 43 socket B2P3 VH green CN6 1 44 socket B2P3 VH blue CN3 1 45 socket B2P3 VH yellow CN5 CN14 2 46 socket B2P3 VH red CN1 1 47 socket B2P3 VH black CN18 1 48 socket B2P4 VH black CN9 CN10 2 49 socket B10B XH A white CN12 1 50 socket SV40 05WS grey CN13 1 129 ...

Page 130: ... 2 3 4 5 6 7 RP3 10K 6 1 2 3 4 5 6 7 8 9 RP2 10K 8 R64 10K R62 10K R60 10K R65 10K R63 10K ZD4 5 1V ZD3 5 1V 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 SW01 SWB 1 2 3 4 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 SW02 SWB C34 104 C35 104 C33 104 CS 1 SK 2 DI 3 DO 4 GND 5 ORG 6 DC 7 VCC 8 IC8 BR93LC46 1 2 J8 5MM 1 2 J7 5MM HSO P77 1 HSCK P76 2 SO P75 3 SI P74 4 SCK P73 5 PDO PWM P72 6 INT4 P71 7 I...

Page 131: ... _ VbTZR Zb _ UZdZ_ Vb AU482FIBHA low voltage PCB printed diagram 131 ...

Page 132: ...27 C28 C3 0 21 14 porcelain capacitor CK45 50V 0 1µF C8 C13 C16 C17 C21 C2 C24 C29 C31 10 15 terylene capacitor ECQB 50VDC 104KM C32 C33 C34 C35 4 16 electrolytic capacitor CD110X 25V 100µF CD3 CD4 CD5 CD7 CD8 CD9 CD10 CD11 CD12 9 17 electrolytic capacitor CD110X 25V 220µF CD1 CD2 CD6 CD13 4 18 diode 1N4148 D1 D2 D3 D4 D5 5 19 constant voltage diode 5 1V BZX55CV1SJ ZD1 ZD2 ZD3 ZD4 4 20 LED SLR 342...

Page 133: ...CN1 1 48 2 pin socket B2P2 VH white CN15 1 49 2 pin socket B2P2 VH red CN14 1 50 3 pin socket B3B XH A white CN8 CN17 2 51 3 pin socket B3B XH A black CN6 1 52 3 pin socket B3B XH A red CN12 no used 1 53 3 pin socket B3B XH A yellow CN7 1 54 3 pin socket B3B XH A blue CN13 no used 1 55 3 pin socket B3B XH A green CN5 1 56 4 pin socket B4P SHF 1AA red CN10 1 57 4 pin socket B4P SHF 1AA blue CN11 1 ...

Page 134: ...of high voltage control board used to control high voltage relay CN18 IPM To CN1 of power module used to control power module CN24 No used High voltage board CN1 Power supply port To 220V 50HZ power supply lead from front terminal block CN3 Refrigerant spray valve port To refrigerant spray valve used to decrease discharging temp CN4 Oxygen generator port To oxygen generator CN5 Heater port To heat...

Page 135: ...ot available 13 Display compensation of capacity class 4 class 4 6 class 6 After the start up of system is over the frequency of compressor has gotten the target frequency confirmed by the request of indoor unit capacity for 5 minutes and then the unit will modulate the capacity Note class 4 and class 6 can be selected Class 4 is that the capacity class whose range is from 4 classes higher to 3 cl...

Page 136: ... 1HP 7 stands for 7HP 6 0 15 Indoor required capacity decimalism indoor P CODE 7 0 15 Indoor PMV opening degree decimalism 8 0 15 Indoor saturation temperature decimalism 26 0 67 0 account according to outdoor suction pressure PS 9 1 16 Indoor sensor TA temperature decimalism 26 0 67 0 10 1 16 Indoor sensor TC2 temperature indoor gas pipe decimalism 26 0 100 0 11 1 16 Indoor sensor TC1 temperature...

Page 137: ...n 2 minutes set SW01 2 SW02 10 press SW04 for more than 2 seconds confirmation in 2 minutes 7 segment LED of base board I F will display FF all the time cancel the control software will recover PMV to normal open degree after 2 minutes after indoor software receives the signal of fully open from outdoor PMV will fully open only in 2 minutes Rated running Set the unit rated running set SW01 02 SW02...

Page 138: ...inutes 7 segment LED of base board I F will display FF all the time cancel the control software will recover PMV to normal open degree after 2 minutes after indoor software receives the signal of fully open from outdoor PMV will fully open only in 2 minutes 2 Specification for SW03 The two switches of SW03 should be ON or OFF at the same time a__WcU S c a V e a Wc 138 ...

Page 139: ...10 270 R111 270 R112 270 R113 270 R109 270 KR 160W BPS A00000011 GNDU VU GNDV VV GNDW VW GNDN VN C107 0 47uF 1250Vdc 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN103 XH20 10 SPRY Vo GND 12V GND Vo V1 0 CN204 CN201 CN309 CN306 1 2 3 5 6 7 9 1011 13141516171819 P N U V W 4 8 12 B IPM101 IPM CN106 IPM 31 R102 20k R103 20k R104 20k R105 20k R106 20k R107 20k 8a782wH1622Xfe R114 47k 5W R101 47k...

Page 140: ...74HC14 3 4 IC303B 74HC14 5 6 IC303C 74HC14 10 11 IC304E 74HC14 8 9 IC304D 74HC14 5 6 IC305C 74HC14 3 4 IC305B 74HC14 8 9 IC305D 74HC14 7 12 13 14 IC305F 74HC14 10 11 IC305E 74HC14 1 2 IC305A 74HC14 5 6 IC304C 74HC14 1 2 CN311 XH2 2 ðÉ 1 2 CN312 XH2 2ÂÌ 1 2 CN313 XH2 2 1 2 CN314 XH2 2 Æ 1 2 CN315 XH2 2ºÚ 1 2 CN316 XH2 2À R314 10k 1 R316 10k 1 R318 10k 1 R320 10k 1 R322 10k 1 R324 47k 1 R313 270 R31...

Page 141: ...2uF 275Vac C402 2 2uF 275Vac C403 2 2uF 275Vac C404 1uF 275Vac C405 1uF 275Vac C406 1uF 275Vac C407 0 22uF 275Vac C408 0 22uF 275Vac EARTH R S T N E R S T N R401 1M 0 5W R402 1M 0 5W R403 1M 0 5W PAD E R R S S T T N N LCM401 LCM10001 1 2mH 1 2mH 1 2mH 1 2mH A00000014 V1 0 1 2 3 åÍ VH3 2 CN204 AU48NFIBIA filter board circuit diagram 141 ...

Page 142: ... 3906 R132 1k R236 4 7k R237 1k R238 330 2 3 6 5 8 PC202 TLP559 15V 15V 5V 1 3 CN204 VH3 2 1 3 CN205 VH3 2 ðÉ 1 3 CN206 VH3 2ºÚ 1 3 CN207 VH3 2 Æ 1 3 CN208 VH3 2ºì 1 3 CN209 VH3 2À 1 3 CN210 VH3 2ÂÌ 1 2 3 5 CN211 CH5 4 Ò 1 2 3 5 CN212 CH5 4 Ò RY208 PCH RY209 PCH 12V Vs GND F_H F_L F_M_R Ox P GND W_P Heat SV1 SV2 4 Way R239 1k R241 4 7k R240 4 7k GND 1 2 3 4 5 CN202 XH5 5 5V 12V 5V 5VA GND GNDA 12V...

Page 143: ...106 22mF 25Vdc C109 1 C110 C111 C112 C113 C114 C115 film capacitor 0 47mF 1250Vdc C107 1 103 25Vdc 805 C108 1 C116 C117 C118 C119 C120 C121 C122 relay T92P7D22 12 RY101 1 XH20 10 white CN103 1 XH4 4 white CN104 1 XH9 9 white CN105 1 IPM31 19 black CN106 1 XH3 3 white CN102 1 part number AU48NFIBIA power module board parts list concrete resistance chip resistance Al electrolytic capacitor chip capa...

Page 144: ...7 R208 R209 R210 4 22W 0 1W 5 805 R211 R213 2 12kW 0 1W 1 805 R212 1 R214 R217 R218 R223 R232 R237 R239 47W 0 1W 5 805 R215 1 47kW 0 1W 5 805 R216 1 4 7W 0 25W 1 1210 R219 R220 2 100W 0 1W 5 805 R222 1 470W 0 1W 5 805 R226 R227 R233 3 9 1kW 0 1W 1 805 R231 1 100kW 0 1W 1 805 R234 1 R230 R236 R240 R241 R247 R248 330W 0 1W 5 805 R238 1 3 3kW 0 1W 1 805 R244 1 1 5kW 0 1W 5 805 R246 1 100kW 2W 5 R221 ...

Page 145: ...CN207 1 VH3 2 red CN208 1 VH3 2 blue CN209 1 VH3 2 green CN210 1 CH5 4 grey CN211 1 CH5 4 grey CN212 1 RY201 RY202 RY203 RY204 RY205 RY206 RY207 PCH 112D2H RY208 RY209 2 F201 F202 2 3 15A fuse and its holder Alu electrolytic capacitor 8 socket relay OJE SH 112DM 7 chip capacitor 104 25Vdc 805 name specs position QTY control board A00000014 1 carbon film resistance 1MW 0 5W 5 R401 R402 R403 3 2 2mF...

Page 146: ...8 R329 R330 R332 R350 100Ω 0 1W 5 805 R304 R305 R306 R309 R310 5 100kΩ 0 1W 5 805 R311 R312 R328 3 R313 R315 R317 R319 R321 R323 R339 R314 R316 R318 R320 R322 R345 R346 R347 R348 R349 47kΩ 0 1W 1 805 R324 1 470Ω 0 1W 5 805 R325 1 2 7kΩ 0 1W 5 805 R326 R327 R344 3 10kΩ 0 1W 5 805 R331 R334 R336 R338 R351 5 1kΩ 0 1W 5 805 R333 1 220Ω 0 1W 5 805 R335 1 8 2kΩ 0 1W 5 805 R337 1 1kΩ 0 1W 1 805 R340 R342...

Page 147: ...C310 4 22µF 25Vdc C326 1 XH5 5 white CN301 1 XH5 5 yellow CN302 1 XH5 5 blue CN303 1 XH2 2 red CN304 1 XH13 13 white CN305 1 XH9 9 white CN306 1 XH2 2 white CN307 CN308 1 XH4 4 white CN309 1 XH5 5 golden CN310 1 XH2 2 green CN312 1 XH2 2 white CN313 1 XH2 2 yellow CN314 1 XH2 2 black CN315 1 XH2 2 blue CN316 1 XH2 2 yellow CN318 1 9 socket Alu electrolytic capacitor chip capacitor 472 25Vdc 805 7 ...

Page 148: ...Oxygen generator port To oxygen generator blank temporarily CN303 Testing board port To testing board Used to modify check data for after sale personnel CN304 Communication port To C1 C2 of communication block CN307 CN308 Fan motor port for dispersing heat To fan motor for dispersing heat be spare CN310 EEV port To outdoor electronic expansion valve CN311 Radiator temp sensor port To radiator temp...

Page 149: ... radiator temperature No used at present CN312 testing port for the coil temperature Tt CN313 testing port for the defrosting temperature Te CN314 testing port for the outdoor ambient temperature Ta CN315 testing port for the suction temperature Ts CN316 testing port for the discharging temperature Td CN317 port for the signal of compressor overheat protection initially but now for low pressure sw...

Page 150: ...rd there is a black square type voltage sensor The old board adopted the LM331 to test the voltage which is an inserted part IC with 8 feet However both the new or old power boards can match any of the control board but the CPU diagrams are different 3 Filter board 0010451536 Originally the electric control box has not any filter board In order to avoid the exterior interference and result in the ...

Page 151: ...4007 D15 1N4007 D16 1N4007 D17 1N4007 R54 560K 2W DRAIN Softst FB Isense GND NC 1 2 3 8 6 5 4 7 VCC IC7 ICE2A265 R53 82K 2W C33 275V 0 01µF D18 FR106 D19 FR106 CD17 10µF 25V C32 104 SGND CD15 22µF 400V SGND ZD6 11V 0 5W R47 100 R44 100K R48 27 R49 2 R50 2 CD16 4 7µF 50V SGND SGND SGND 1 2 3 4 5 RA2 10K 4 5V1 GND 12V D20 HER204 D21 HER204 7805 IC2 7805 CD4 2200µF 25V CD18 220µF 25V 12V 5VA C19 104 ...

Page 152: ... a__WcU S c a V e a Wc AB092 182FCBHA PCB printed diagram 152 ...

Page 153: ...citor CD110X 25V 10uF CD17 1 21 electrolytic capacitor CD110X 25V 100uF CD19 1 22 electrolytic capacitor CD110X 25V 220uF CD18 1 23 electrolytic capacitor CD110X 25V 1000uF CD4 1 24 electrolytic capacitor CD110X 50V 4 7uF CD6 CD7 CD14 CD16 4 25 electrolytic capacitor CD11H 400V 22uF CD15 1 26 plastic film capacitor B81130 A1104 C2 C3 2 27 plastic film capacitor B81130 C1103 C1 C33 2 28 chip capaci...

Page 154: ...N12 white 2 65 socket SV40 03WSA CN11 1 66 socket SV40 07WSA CN10 1 67 socket TJC8 02A CN16 1 68 2 pin socket XC25 02WS white CN17 CN18 2 69 3 pin socket XC25 03WS red CN4 1 70 4 pin socket XC25 04WS blue CN5 1 71 6 pin socket XC25 06WS white CN6 1 72 7 pin socket XC25 07WS white CN15 1 73 jumper 5mm 0 6 J8 1 74 jumper 10mm 0 6 J3 J7 J9 J12 J14 J17 13 75 jumper 15mm 0 6 J1 1 76 PCB KR50QP6 PCB 228...

Page 155: ... T35 42M IPF E36 322wH E36326 IPF 7X T39 32M T55 32M T32 32M T64 32M EP43 3 4 EP38 IPF 34X F5 3P6229 F6 3P6229 F7 3P6229 F8 3P6229 IPF E9 4422wH E 326 KE 9 34 KE32 9 27 E 442wH E32 326 E33 442wH E34 326 7X 34X 3 4 EP3 34X 7X IPF E45 326 E47 322wH E46 322wH E48 322wH E49 322wH E4 326 E4 326 E52326 E53326 T62 322M T63 322M T58 32M S7 U 235 S8 U 235 T59 609M 3 703X 4 703X 5 703X 6 703X T5 32M T5 609M...

Page 156: ... a__WcU S c a V e a Wc AE FCBKA PCB printed diagram 156 ...

Page 157: ...12 C15 C22 C23 6 18 electrolytic capacitor CD110X 16V 100uF C14 C21 C24 C25 C26 C27 6 19 electrolytic capacitor CD110X 16V 220uF C9 C11 2 20 electrolytic capacitor CD110X 25V 2200uF C7 1 21 electrolytic capacitor CD110X 50V 1uF C13 1 22 electrolytic capacitor CD110X 50V 4 7uF C16 C17 C18 C32 4 23 plastic film capacitor ECQB 50V 104J C28 C29 C30 C31 4 24 plastic film capacitor 0 01uF 275Vac C1 C2 2...

Page 158: ...WS green CN24 1 58 socket B2B XH A XC25 02WS white CN15 CN16 CN17 CN23 4 59 socket B3B XH A XC25 03WS white CN8 1 60 socket B3B XH A XC25 03WS red CN11 1 61 socket B4B XH A XC25 04WS white CN14 1 62 socket B4B XH A XC25 04WS blue CN5 1 63 socket B6B XH A XC25 06WS white CN6 1 64 socket B2P3 VH white CN7 1 65 socket B2P3 VH blue CN4 1 66 socket B2P3 VH red CN12 1 67 socket SV40 07WSA CN10 1 68 sock...

Page 159: ...it port 15 CN16 series communication port 16 CN17 the short circuit port 17 CN18 neutral wire of terminal block 18 CN19 to fuse of auxiliary heater 19 CN20 live wire of terminal block 20 CN22 to auxiliary heater 21 CN23 built in electronic expansion vale short circuit port 22 CN24 to room temp sensor 23 CN25 communication port of EEV box 24 LED1 indicator power green 25 LED2 indicator timer yellow...

Page 160: ...0082 R25 10KΩ 3 B25 50 3700K 3 0010400885 sensor 001A3900003 R25 23KΩ 2 5 B25 50 4200K 3 001A3900006 sensor 001A3900004 0010400885 sensor 001A3900003 R25 23KΩ 2 5 B25 50 4200K 3 001A3900006 sensor 001A3900004 R25 10KΩ 3 B25 50 3700K 3 0010400158 liquid pipe temp sensor 001A3900004 R25 10KΩ 3 B25 50 3700K 3 001A3900006 sensor 001A3900004 R25 10KΩ 3 B25 50 3700K 3 0010400158 liquid pipe temp sensor ...

Page 161: ...29 64 55 3 22 8 2960 46 194 5 2 28 22 56 3 11 7 2793 47 186 3 3 26 4 57 3 11 6 2636 48 178 4 4 25 61 58 2 9 5 2489 49 170 9 5 24 41 59 2 81 4 2351 50 163 7 6 23 27 60 2 72 3 2221 51 155 9 7 22 2 61 2 63 2 2099 52 150 4 8 21 18 62 2 54 1 1984 53 144 2 9 20 21 63 2 49 0 1877 54 138 3 10 19 3 64 2 38 1 1775 55 132 7 11 18 43 65 2 3 2 1680 56 127 3 12 17 61 66 2 23 3 1590 57 122 1 13 16 83 67 2 16 4 1...

Page 162: ... 34 6 117 93 38 12 77 5 111 22 39 12 23 4 104 93 40 11 71 3 99 04 41 11 22 2 93 52 42 10 76 1 88 35 43 10 31 0 83 5 44 9 89 1 78 94 45 9 49 2 74 67 46 9 1 3 70 65 47 8 74 4 66 88 48 8 39 5 63 33 49 8 05 6 60 50 7 73 7 56 86 51 7 43 8 53 91 52 7 14 9 51 13 53 6 86 10 48 51 54 6 6 11 46 04 55 6 34 12 43 72 56 6 1 13 41 52 57 5 87 14 39 45 58 5 65 15 37 5 59 5 44 16 35 66 60 5 24 17 33 92 18 32 27 19...

Page 163: ...C circuit of central temperature sensor outdoor unit condenser The detected sensor value is below 20H open circuit or above 1000H short circuit for 60 seconds Yes 6 Overcurrent An alarm is given five seconds after the current limit is exceeded Where there are 3 alarms within 30 minutes the fault code is displayed The fault is not fixable No 9 IPM protection IPM overcurrent short circuit overtemper...

Page 164: ...n wire and power cable set separately wiring Separately yes yes yes Is there external signal interference Eliminate interference Is indoor mainboard poorly welded no no no yes Replace indoor PCB Are communication resistance and capacitor of indoor PCB correct See NOTE Replace indoor PCB Check outdoor mainboard 0010450351 Make necessary replacement NOTE 1 R49 R50 resistor in AS072 182FCBHA circuit ...

Page 165: ... balanced 2 Disconnect all terminals Is resistance between P and N P and U V W N and U V W acceptable Check 1 Is a valve in system close 2 Is piping clogged 3 Is system overfed is there air in system 4 Cooling cycle Is condenser dirty Does outdoor fan motor run at low speed or stop 5 Heating cycle Is evaporator or filter dirty Does indoor fan motor run at low speed or stop 6 Is ambient temperature...

Page 166: ...V Less than 250V when running at high frequency Check point CN2 in mainboard Is four way supply voltage less than 13 5V normal value 13 5 16 5VDC Replace PCB Is compressor in good condition no Is compressor winding resistance acceptable Is it blocked Is power module too hot Is silica gel well distributed on radiation fins Is current up to protection limit of power module 1 Is voltage of supply cir...

Page 167: ...meter too high yes Does indoor fan work properly during heating cycle Does outdoor fan work properly during cooling cycle Is discharging temperature sensor in good condition no no no Check fan motor and capacitor yes yes Is filter or heat exchanger dirty no Measure balance pressure and running pressure to see if the refrigerant is too much or lack Is there air in system Is there a leak Conduct lea...

Page 168: ...n necessary no Is pressure value detected by pressure gage above 3MPa no Replace high side pressure switch yes yes Are stop valves in suction pipe and liquid pipe of outdoor unit open no Is piping twisted or deformed Open stop valve yes Repair or replacement no if outdoor fan motor work properly during cooling cycle and if indoor fan motor and indoor EEV work properly during heating cycle Check fa...

Page 169: ...ed sensor value is below 20H open circuit or above 1000H short circuit for 60 seconds Yes 06 Overcurrent An alarm is given five seconds after the current limit is exceeded Where there are 3 alarms within 30 minutes the fault code is displayed The fault is not fixable No 07 Current transformer circuit When the compressor is shut off the detected current of current sensor is above 15A and when the c...

Page 170: ...rter compressor operates at a frequency of S3 and S4 the temperature detected by TD1 sensor is above 110 C 20 846 to 857 transmission error 200 times of failure in transmission An alarm is given and the indicator flashes 21 857 to 846 transmission error 200 times of failure in transmission The fault code is displayed 22 Indoor unit to 846 transmission error Receiving no signals from indoor unit fo...

Page 171: ...n wire and power cable set separately wiring Separately yes yes yes Is there external signal interference Eliminate interference Is indoor mainboard poorly welded no no no yes Replace indoor PCB Are communication resistance and capacitor of indoor PCB correct See NOTE Replace indoor PCB Check outdoor mainboard 0010450351 Make necessary replacement NOTE 1 R49 R50 resistor in AS072 182FCBHA circuit ...

Page 172: ...ls Is resistance between P and N P and U V W N and U V W acceptable Replace power module Change filter board no yes Is pressure acceptable no Check 1 Is a valve in system close 2 Is piping clogged 3 Is system overfed is there air in system 4 Cooling cycle Is condenser dirty Does outdoor fan motor run at low speed or stop 5 Heating cycle Is evaporator or filter dirty Does indoor fan motor run at lo...

Page 173: ...oaded no 1 Is output voltage among U V and W balanced 2 Disconnect all terminals Is resistance between P and N P and U V W N and U V W acceptable no Replace power module yes Check mainboard and make necessary replacement 9 flashes of outdoor ALARM light fault readout 9 Possible causes 1 Short circuit or overcurrent 2 Four way control supply 15VDC is less than 13 5V 3 Module is hot with a temperatu...

Page 174: ...meter too high yes Does indoor fan work properly during heating cycle Does outdoor fan work properly during cooling cycle Is discharging temperature sensor in good condition no no no Check fan motor and capacitor yes yes Is filter or heat exchanger dirty no Measure balance pressure and running pressure to see if the refrigerant is too much or lack Is there air in system Is there a leak Conduct lea...

Page 175: ...uring heating cycle no Repair or replacement yes Open stop valve Is piping twisted or deformed no Are stop valves in suction pipe and liquid pipe of outdoor unit open yes yes Replace high side pressure switch no Is pressure value detected by pressure gage above 3MPa no Is high pressure switch activated Check and reconnect yes yes Are connectors of CN16 pressure switch in good condition 7 High pres...

Page 176: ... Open stop valve yes Is piping twisted or deformed no Adjust and maintain no Do outdoor fan and PMV work properly during cooling cycle Do indoor fan and EEV work properly during heating cycle no Repair fan motor and EEV yes If the filter and heat exchanger are dirty yes Cleaning yes If refrigerant circuit is leak or lack of refrigerant yes Check leakage point evacuate and recharge 8 Low pressure t...

Page 177: ...t yes 9 Fault in built in overload protection of compressor Normally closed open in the event of a fault Fault readout 8 8 flashes of ALARM light no no no no yes yes yes Is connection between filter board CN1 and mainboard CN4 normal reconnect Check connection of mainboard CN4 and make necessary replacement Is compressor current acceptable Is DC voltage between both ends of CN4 acceptable if compr...

Page 178: ...re are current malfunction for 3 times in 1 hour the testing board will display the last abnormal reason P X X Need powered off and restart Read EEPROM value wrongly 10 P E E no Need reset and restart O D Yes Discharging temperature over high abnormal 11 P O D no After there are current malfunction for 3 times in half an hour the testing board will display the last abnormal reason P X X Need power...

Page 179: ...istance and capacitor of indoor PCB correct See NOTE Replace indoor PCB Check outdoor mainboard Make necessary replacement NOTE 1 R49 R50 resistor in AS072 182FCBHA circuit and R40 R41 resistor in AE072 242FCBKA circuit have a resistance of 100 K instead of 47K AS models and C28 C30 of AE models use 104 polyester resistors Is number of indoor units indicated by testing board correct Changeable yes...

Page 180: ...istics of sensor acceptable Replace sensor Check PCB and replace Is CPU chip installed firmly Is fault corrected after JP301 is reset yes yes yes no no no Is it normal after replacing chip If chip is broken Replace chip Normal yes 3 EEPROM failure no Reinstall in right direction 2 Sensor failure no Check PCB and replace 180 ...

Page 181: ... Is piping clogged 3 Is system overfed is there air in system 4 Cooling cycle Is condenser dirty Does outdoor fan motor run at low speed or stop 5 Heating cycle Is evaporator or filter dirty Does indoor fan motor run at low speed or stop no Is pressure acceptable yes no Replace power module 1 Is output voltage among U V and W balanced 2 Disconnect all terminals Is resistance between P and N P and ...

Page 182: ... if the compressor is normal no Replace power board yes Check point CN12 in mainboard Is four way supply voltage less than 13 5V normal value 13 5 16 5VDC yes Replace rectifiter no Check point and pins of CN201 in power source board Is output voltage of rectifier acceptable 530VDC at 380V no yes Check and reconnect yes yes Replace cable Is 9 pin connector between IPM and low voltage board short ci...

Page 183: ...temperature detected by thermometer too high yes Does indoor fan work properly during heating cycle Does outdoor fan work properly during cooling cycle Is discharging temperature sensor in good condition no no no Check fan motor and capacitor yes yes Is filter or heat exchanger dirty no Measure balance pressure and running pressure to see if the refrigerant is too much or lack Is there air in syst...

Page 184: ...above 3MPa no Replace high pressure switch yes yes Are stop valves in suction pipe and liquid pipe of outdoor unit open no Is piping twisted or deformed Open stop valve yes Repair or replacement no if outdoor fan motor work properly during cooling cycle and if indoor fan motor and indoor EEV work properly during heating cycle Check fan motor or indoor EEV yes Is filter or heat exchanger dirty no y...

Page 185: ...alve yes Is piping twisted or deformed no Adjust and maintain no Do outdoor fan and PMV work properly during cooling cycle Do indoor fan and EEV work properly during heating cycle no Repair fan motor and EEV yes If the filter and heat exchanger are dirty yes Cleaning yes If refrigerant circuit is leak or lack of refrigerant yes Check leakage point evacuate and recharge 8 Low pressure too low prote...

Page 186: ...rough another testing device part number 0010451800 The distributor can get the testing device and the testing software from us Testing procedure 1 After the unit powered off connect the wire of testing board to CN302 port and then pull down the communication wire between outdoor and indoor unit 2 Check if the wiring is right If yes power on the outdoor unit 3 On the operation panel of the testing...

Page 187: ...outdoor units E9 4 flashes of Timer indicator Communication error between indoor unit and PCB of PMV valve E7 5 flashes of Timer indicator AS AE series Communication error between 846 与 and 808 chips E5 6flashes of Timer indicator Power failure in PMV driving board 8 flashes of Timer indicator AS series Fault in PG fan of indoor unit 10 flashes of Timer indicator AS series Fault in float switch or...

Page 188: ...ut E3 1 flash of Timer light 2 Readout E4 2 flashes of Timer light 3 N A 3 flashes of Timer light 1 Description Liquid line temperature sensor Ti is short circuit or open circuit 2 Description Suction line temperature sensor T0 is short circuit or open circuit 3 Description Ambient temperature sensor is short circuit or open circuit Models with wired controller Models with wireless remote controll...

Page 189: ...ainboard No Reconnect Check the sensor resistance with a multimeter R25 10KΩ 3 B 25 50 3741K 70K No Replace the sensor Check if the electric control of indoor unit and the electric control of expansion valve share the same supply and if live wire and null wire are properly connected Check if the internal wiring of indoor unit and expansion valve is properly done For AE FCBKA mainboard a jumper wir...

Page 190: ...he fan of indoor unit Yes No Yes Yes No Replace the fan Check if the wire controller is properly connected to A B and C of indoor unit Reconnect Check if the voltage between A and B is 12VDC Check if the voltage between C and B changes regularly Replace indoor unit mainboard Replace the wire controller Check if the fan is properly connected to the mainboard Check if PIN 3 and 1 of CN2 color models...

Page 191: ... circuit or open circuit if the shield wires at both ends of transmission line are earthed properly if the earth wire of outdoor unit is properly earthed Disconnect the indoor unit transmission lines from the control panel and connect them to the outdoor unit Check if the number of indoor units is steady through the outdoor unit mainboard or the test kit Check if the transmission resistor and capa...

Page 192: ...able burns or hot components in the mainboard Use a multimeter to check if the 12V supply in 7805 chip of mainboard is in good condition Measure the central and the left pins of the chip Check if the mainboard is properly connected Replace the mainboard Check if the null wire and the live wire of indoor unit are properly connected Check if the mainboard and the fan wire are noticeably damage It s ...

Page 193: ...FHBHA 0 00 1 00 2 00 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 11 00 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 outdoor temp heating capacity kW 0 00 1 00 2 00 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 18 23 28 33 38 43 outdoor temp cooling capacity kW 193 ...

Page 194: ...nit group capacity modification value lo he la lb lc ha hchb ho standard capacity L m Length of refrigerant pipe corresponding length L m Total capacity of indoor unit group 2 Calculation method of heating capacity Heating capacity to be known Heating capacity 1 x 2 x 3 x 4 x 5 x 6 W 1 Capacity modification under indoor air wet bulb temperature condition 2 Capacity modification under outdoor air w...

Page 195: ...hird octave band frequency Hz sound pressure level DB heating high cooling med heating med cooling high heating low cooling low sound level AF122FCBHA 0 10 20 30 40 50 60 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5 0 0 4 0 0 0 0 5 0 0 0 0 6 3 0 0 0 8 0 0 0 0 1 0 0 0 0 0 1...

Page 196: ...0 0 1 6 0 0 0 0 2 0 0 0 0 0 third octave band frequency Hz sound pressure level DB fan high fan med fan low noise level AS142FCBHA 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5 0 0 4 0 0 0 0 5 0 0 ...

Page 197: ...0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5 0 0 4 0 0 0 0 5 0 0 0 0 6 3 0 0 0 8 0 0 0 0 1 0 0 0 0 0 1 2 5 0 0 0 1 6 0 0 0 0 2 0 0 0 0 0 third octave band frequency Hz sound pressure level DB heating high 85Hz heating high 80Hz heating high 70Hz heating high 60Hz heating high 50Hz heating high 40Hz heating high 30Hz cooling high 30Hz cooling high 40Hz cooli...

Page 198: ...0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5 0 0 4 0 0 0 0 5 0 0 0 0 6 3 0 0 0 8 0 0 0 0 1 0 0 0 0 0 1 2 5 0 0 0 1 6 0 0 0 0 2 0 0 0 0 0 third octave band frequency Hz sound pressure level DB heating high 85Hz heating high 80Hz heating high 70Hz heating high 60Hz heating high 50Hz heating high 40Hz heating high 30Hz cooling high 30Hz cooling high 40Hz cooling high 50Hz cooli...

Page 199: ...MEMO Commercial Air Conditioner ...

Page 200: ...No 1 Haier Road 266001 Qingdao China Tel 86 532 8939486 9711 Fax 86 532 8939715 E mail cactech haier com Http www haier com All rights reserved and the information in this manual is subject to change without notice in order to make the information keep latest ...

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