Gree MULTI30HP230V1CO User manual
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: MULTI30HP230V1CO
MULTI36HP230V1CO
MULTI42HP230V1CO
Service Manual
Table of Contents
Table of Contents
Part Ė: Technical Information...............................................................................1
1. Summary..............................................................................................................................1
6SHFL¿FDWLRQV..................................................................................................................2
6SHFL¿FDWLRQ6KHHW.....................................................................................................................2
2.2 Cooling capacity tables...............................................................................................................6
3. Outline Dimension Diagram................................................................................9
4. Refrigerant System Diagram............................................................................10
5. Electrical Part.................................................................................................................11
5.1 Wiring Diagram.........................................................................................................................11
5.2 PCB Printed Diagram ...............................................................................................................13
6. Function and Control..............................................................................................14
Part ė: Installation and Maintenance .........................................................16
7. Safety Precautions....................................................................................................16
8.Installation Manual .....................................................................................................18
8.1 Preparation before Installation..................................................................................................19
8.2 Installation Instruction...............................................................................................................21
9. Troubleshooting ..........................................................................................................27
9.1 Malfunction Indicator ...............................................................................................................27
0DOIXQFWLRQ&KHFNLQJDQG(OLPLQDWLRQ......................................................................................28
0DLQWHQDQFH0HWKRGIRU1RUPDO0DOIXQFWLRQ...........................................................................34
10. Exploded View and Parts List ......................................................................36
11. Removal Procedure...............................................................................................40
Appendix:................................................................................................................................52
$SSHQGL[5HIHUHQFH6KHHWRI&HOVLXVDQG)DKUHQKHLW ..............................................................52
$SSHQGL[&RQ¿JXUDWLRQRI&RQQHFWLRQ3LSH...............................................................................52
Appendix 3: Pipe Expanding MHWKRG .............................................................................................53
Appendix 4: List of Resistance for Ambient Temperature Sensor...................................................54
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Service Manual
1. Summary
Part Ė: Technical Information
Outdoor Unit
MULTI36HP230V1CO
MULTI42HP230V1CO
MULTI30HP230V1CO
27HFKQLFDO,QIRUPDWLRQ
Service Manual
6SHFL¿FDWLRQV
Model MULTI30HP230V1CO
Product Code CN860W0160
Power
supply
Rated Voltage V~ 208/230
5DWHG)UHTXHQF\ Hz 60
3KDVHV 1
Cooling capacity(max~min) W 8500(2400~9800)
Heating capacity(max~min) W 9260(2400~9500)
Cooling Power Input(max~min) W 2420
Heating Power Input(max~min) W 2470
Cooling Current Input A 10.5
Heating Current Input A 10.7
Rated Power Input W 2800
Rated Current A 30
EER W/W 3.52
COP W/W 3.75
Outdoor
Unit
&RPSUHVVRU7UDGHPDUN ZHUHAI LANDA COMPRESSOR CO.LTD
Compressor Model QXAS-D32zX090A
Compressor Refrigerant Oil Type RB68EP
Compressor Type Inverter Rotary
L.R.A A 30
Compressor Rated Load Amp (RLA) A 13.9
Compressor Power Input W 4150
&RPSUHVVRU7KHUPDO3URWHFWRU 1NT11L—6233
7KURWWOLQJ0HWKRG Electron expansion valve
Cooling Operation Ambient Temperature Range O)0~118
Heating Operation Ambient Temperature Range O)-4~86
Condenser Material $OXPLQXP)LQFRSSHU7XEH
Condenser Pipe Diameter LQFK ĭ
5RZV)LQ*DSPP LQFK 2-1/18
&RLOOHQJWKO;KHLJKW+;FRLOZLGWK/ LQFK 27 4/9X29 4/9X12 1/5
)DQ0RWRU6SHHGUSP+0/ rpm 630
2XWSXWRI)DQ0RWRU W60
)DQ0RWRU5/$ A/
)DQ0RWRU&DSDFLWRU ȝ) /
$LU)ORZ9ROXPHRI2XWGRRU8QLW &)0 2330
)DQ7\SH3LHFH $[LDOÀRZ
)DQ'LDPHWHU LQFK ĭ
'HIURVWLQJ0HWKRG Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
3HUPLVVLEOH([FHVVLYH2SHUDWLQJ3UHVVXUHIRUWKH
'LVFKDUJH6LGH MPa 4.3
3HUPLVVLEOH([FHVVLYH2SHUDWLQJ3UHVVXUHIRUWKH
Suction Side MPa 2.5
Dimension (W/H/D) LQFK 38 3/7X31 1/9X17 1/3
'LPHQVLRQRI3DFNDJH/:+ LQFK 42 1/2X19X33
'LPHQVLRQRI3DFNDJH/:+ LQFK 42 2/3X19 1/5X33 2/3
1HW:HLJKW lb 145.5
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Cross-sectional Area of Power Cable Conductor VTLQ 0.0062
Recommended Power Cable(Core) N 3
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1RW$GGLWLRQDO*DV&RQQHFWLRQ3LSH/HQJWK ft 131.2
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(Metric) LQFK 1/4
Outer Diameter of Gas Pipe1(GREE Allocation)
(Metric) LQFK 3/8
Outer Diameter of Gas Pipe2(GREE Allocation)
(Metric) LQFK 3/8
Outer Diameter of Gas Pipe3(GREE Allocation)
(Metric) LQFK 3/8
Outer Diameter of Gas Pipe4(GREE Allocation)
(Metric) LQFK 3/8
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indoor) ft 24.6
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outdoor and indoor up) ft 49.2
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outdoor and outdoor up) ft 49.2
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last indoor) ft 82.0
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Service Manual
Model MULTI36HP230V1CO MULTI42HP230V1CO
Product Code CN860W0170 CN860W0180
Power
supply
Rated Voltage V~ 208/230 208/230
5DWHG)UHTXHQF\ Hz 60 60
3KDVHV 11
Cooling capacity(max~min) W 9970(2600~10500) 11430(2600~12000)
Heating capacity(max~min) W 12460(2600~13000) 13190(2600~13500)
Cooling Power Input(max~min) W 2800 3740
Heating Power Input(max~min) W 3350 3650
Cooling Current Input A 12.5 16.5
Heating Current Input A 15 16
Rated Power Input W 3800 4000
Rated Current A 30 30
EER W/W 3.56 3.06
COP W/W 3.72 3.61
Outdoor
Unit
&RPSUHVVRU7UDGHPDUN ZHUHAI LANDA COMPRESSOR
CO.LTD
ZHUHAI LANDA COMPRESSOR
CO.LTD
Compressor Model QXAS-D32zX090A QXAS-D32zX090A
Compressor Refrigerant Oil Type RB68EP
Compressor Type Inverter Rotary Inverter Rotary
L.R.A A 35 40
Compressor Rated Load Amp (RLA) A 15.6 17.8
Compressor Power Input W 4150 4150
&RPSUHVVRU7KHUPDO3URWHFWRU 1NT11L—6233 1NT11L—6233
7KURWWOLQJ0HWKRG Electron expansion valve Electron expansion valve
Cooling Operation Ambient Temperature
Range
O)0~118 0~118
Heating Operation Ambient Temperature
Range
O)-4~86 -4~86
Condenser Material $OXPLQXP)LQFRSSHU7XEH $OXPLQXP)LQFRSSHU7XEH
Condenser Pipe Diameter LQFK ĭ ĭ
5RZV)LQ*DSPP LQFK 2-1/18 2-1/18
&RLOOHQJWKO;KHLJKW+;FRLOZLGWK/ LQFK 27 4/9X29 4/9X12 1/5 27 4/9X29 4/9X12 1/5
)DQ0RWRU6SHHGUSP+0/ rpm 850 850
2XWSXWRI)DQ0RWRU W 140 140
)DQ0RWRU5/$ A/ /
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$LU)ORZ9ROXPHRI2XWGRRU8QLW &)0 4531 4531
)DQ7\SH3LHFH $[LDOÀRZ $[LDOÀRZ
)DQ'LDPHWHU LQFK ĭ² ĭ²
'HIURVWLQJ0HWKRG Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating Pressure for
WKH'LVFKDUJH6LGH MPa 4.3 4.3
Permissible Excessive Operating Pressure for
WKH6XFWLRQ6LGH MPa 2.5 2.5
Dimension (W/H/D) LQFK 42 1/2X43 3/7X17 1/3 42 4/5X43 3/7X17 1/3
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1HW:HLJKW lb 198.5 198.5
*URVV:HLJKW lb 216.1 216.1
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Cross-sectional Area of Power Cable Conductor VTLQ 0.0062 0.0062
Recommended Power Cable(Core) N 3 3
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(Metric) LQFK 1/4 1/4
Outer Diameter of Gas Pipe1(GREE Allocation)
(Metric) LQFK 3/8 3/8
Outer Diameter of Gas Pipe2(GREE Allocation)
(Metric) LQFK 3/8 3/8
Outer Diameter of Gas Pipe3(GREE Allocation)
(Metric) LQFK 3/8 3/8
Outer Diameter of Gas Pipe4(GREE Allocation)
(Metric) LQFK 3/8 3/8
Outer Diameter of Gas Pipe4(GREE Allocation)
(Metric) LQFK 3/8 3/8
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indoor) ft 24.6 24.6
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outdoor and indoor up) ft 49.2 49.2
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outdoor and outdoor up) ft 49.2 49.2
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last indoor) ft 82.0 82.0
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Service Manual
ROOM MODEL:
MULTI30HP230V1CO
CONNECTIVE INDOOR
UNIT1 :
TERRA09HP230V1AH×2
TERRA12HP230V1AH×1
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
-13.88OC(7O)'
-15OC(5O):
-8.33OC(17O)'
-9.44OC(15O):
-2.22OC(28O)'
-3.89OC(25O):
3.33OC(38O)'
1.67OC(35O):
8.33OC(47O)'
6.11OC(43O):
13.89OC(57O)'
12.7OC(55O):
15OC(59O)'
10OC(50O):
Total capacity(W) 6560 6580 8050 10880 11300 11800
Sensitive capacity(W) 6560 6580 8050 10880 11300 11800
Total power input(W) 2820 2150 2750 2850 2950 2480
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
18OC(64O)'
12OC(54O):
Total capacity(W) 6400 6530 8200 9000 11050 11600
Sensitive capacity(W) 6400 6530 8200 9000 11050 11600
Total power input(W) 2950 2280 2980 2950 3100 2630
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
21OC(70O)'
15OC(59O):
Total capacity(W) 6450 6450 7900 8850 10750 11450
Sensitive capacity(W) 6450 6450 7900 8850 10750 11450
Total power input(W) 3100 2400 3080 3100 3220 2750
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
24OC(75O)'
17OC(63O):
Total capacity(W) 6400 6380 7950 8550 10650 11080
Sensitive capacity(W) 6400 6380 7950 8550 10650 11080
Total power input(W) 3150 2500 3130 3200 3400 2930
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
Cooling
Heatling
2.2 Cooling capacity tables
ROOM MODEL:MULTI30HP230V1CO
CONNECTIVE INDOOR UNIT1:
TERRA09HP230V1AH×2
TERRA12HP230V1AH×1
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
20OC
68O)
25OC
77O)
30OC
86O)
35OC
95O)
40OC
104O)
45OC
113O)
21OC(70O)'
15OC(59O):
Total capacity(W) 7186 8391 9044 8474 6697 5228
Sensitive capacity(W) 6194 6818 7084 6779 6127 5175
Total power input(W) 1736 2108 2826 3099 2566 2172
Sensitive capacity(W)/ Total
capacity(W) 85.3 81.2 78.3 79.9 91 98.9
24OC(75O)'
17OC(63O):
Total capacity(W) 8074 9106 9696 9149 7195 5631
Sensitive capacity(W) 6950 7474 7659 7414 6703 5585
Total power input(W) 1760 2111 2853 3121 2583 2207
Sensitive capacity(W)/ Total
capacity(W) 85.65 82 78.9 81 93.1 99.1
27OC(80O)'
19OC(67O):
Total capacity(W) 8884 9921 10310 9863 7635 7543
Sensitive capacity(W) 7533 8027 9587 7665 7169 7359
Total power input(W) 2009 2365 2905 3206 2773 2835
Sensitive capacity(W)/ Total
capacity(W) 84.55 80.9 92.9 76.9 93.8 97.5
32OC(90O)'
23OC(73O):
Total capacity(W) 9152 10953 11606 10847 8300 6389
Sensitive capacity(W) 8558 8374 8584 8359 7377 6268
Total power input(W) 2025 2402 2955 3267 2668 2244
Sensitive capacity(W)/ Total
capacity(W) 93.5 76.4 80.9 77 88.8 98
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
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Service Manual
ROOM MULTI36HP230V1CO
CONNECTIVE INDOOR
UNIT1:
TERRA09HP230V1AH×4
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
-13.88OC(7O)'
-15OC(5O):
-8.33OC(17O)'
-9.44OC(15O):
-2.22OC(28O)'
-3.89OC(25O):
3.33OC(38O)'
1.67OC(35O):
8.33OC(47O)'
6.11OC(43O):
13.89OC(57O)'
12.7OC(55O):
15OC(59O)'
10OC(50O):
Total capacity(W) 7480 8880 9720 12050 11400 12000
Sensitive capacity(W) 7480 8880 9720 12050 11400 12000
Total power input(W) 3450 3200 2960 3280 2370 2000
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
18OC(64O)'
12OC(54O):
Total capacity(W) 7680 8750 9540 11700 11250 11800
Sensitive capacity(W) 7680 8750 9540 11700 11250 11800
Total power input(W) 3440 3360 3100 3300 2520 2140
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
21OC(70O)'
15OC(59O):
Total capacity(W) 8275 8720 9500 11500 11000 11500
Sensitive capacity(W) 8275 8720 9500 11500 11000 11500
Total power input(W) 3690 3490 3240 3580 2660 2250
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
24OC(75O)'
17OC(63O):
Total capacity(W) 8460 8800 9360 10690 10580 11300
Sensitive capacity(W) 8460 8800 9360 10690 10580 11300
Total power input(W) 3785 3600 3410 3580 2780 2420
Sensitive capacity(W)/
Total capacity(W) 100 100 100 100 100 100
Cooling
Heatling
ROOM MODEL: MULTI36HP230V1CO
CONNECTIVE INDOOR UNIT1:
TERRA09HP230V1AH×4
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
20OC
68O)
25OC
77O)
30OC
86O)
35OC
95O)
40OC
104O)
45OC
113O)
21OC(70O)'
15OC(59O):
Total capacity(W) 9560 10300 10400 9430 8045 6900
Sensitive capacity(W) 8662 8880 8900 8435 7750 6800
Total power input(W) 2010 2450 3120 3300 3075 2765
Sensitive capacity(W)/ Total
capacity(W) 90.6 86.2 85.6 89.4 96.3 98.6
24OC(75O)'
17OC(63O):
Total capacity(W) 9795 11500 11265 10500 8820 7515
Sensitive capacity(W) 8805 9205 9485 9160 8365 7305
Total power input(W) 1995 2435 3125 3400 3085 2790
Sensitive capacity(W)/ Total
capacity(W) 89.9 80.0 84.2 87.2 94.8 97.2
27OC(80O)'
19OC(67O):
Total capacity(W) 10135 11370 11425 10575 9025 7900
Sensitive capacity(W) 9300 9610 9675 9355 8750 7555
Total power input(W) 2010 2440 3160 3335 3115 2800
Sensitive capacity(W)/ Total
capacity(W) 91.8 84.5 84.7 88.5 97.0 95.6
32OC(90O)'
23OC(73O):
Total capacity(W) 12170 13200 13250 12020 10390 8700
Sensitive capacity(W) 9875 10220 10155 10045 9575 8450
Total power input(W) 2025 2430 3185 3405 3145 2825
Sensitive capacity(W)/ Total
capacity(W) 81.1 77.4 76.6 83.6 92.2 97.1
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
87HFKQLFDO,QIRUPDWLRQ
Service Manual
Heatling
Cooling
ROOM MODEL:
MULTI42HP230V1CO
CONNECTIVE INDOOR
UNIT1 :
TERRA09HP230V1AH×2
TERRA12HP230V1AH×2
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
-13.88OC(7O)'
-15OC(5O):
-8.33OC(17O)'
-9.44OC(15O):
-2.22OC(28O)'
-3.89OC(25O):
3.33OC(38O)'
1.67OC(35O):
8.33OC(47O)'
6.11OC(43O):
13.89OC(57O)'
12.7OC(55O):
15OC(59O)'
10OC(50O):
Total capacity(W) 7990 9122 9249 12680 11470 11800
Sensitive capacity(W) 7990 9122 9249 12680 11470 11800
Total power input(W) 3580 3380 3320 3580 2380 2020
Sensitive capacity(W)/
Total capacity(W) 100.0 100.0 100.0 100.0 100.0 100.0
18OC(64O)'
12OC(54O):
Total capacity(W) 8100 9080 9400 12700 11250 11700
Sensitive capacity(W) 8100 9080 9400 12700 11250 11700
Total power input(W) 3550 3400 3300 3625 2530 2150
Sensitive capacity(W)/
Total capacity(W) 100.0 100.0 100.0 100.0 100.0 100.0
21OC(70O)'
15OC(59O):
Total capacity(W) 8328 9053 9345 12200 11000 11420
Sensitive capacity(W) 8328 9053 9345 12200 11000 11420
Total power input(W) 3660 3570 3400 3760 2650 2300
Sensitive capacity(W)/
Total capacity(W) 100.0 100.0 100.0 100.0 100.0 100.0
24OC(75O)'
17OC(63O):
Total capacity(W) 8230 8960 8750 12100 10820 11400
Sensitive capacity(W) 8230 8960 8750 12100 10820 11400
Total power input(W) 3760 3690 3400 3910 2820 2420
Sensitive capacity(W)/
Total capacity(W) 100.0 100.0 100.0 100.0 100.0 100.0
ROOM MODEL:MULTI42HP230V1CO
CONNECTIVE INDOOR UNIT1 :
TERRA09HP230V1AH×2
TERRA12HP230V1AH×2
OUTDOOR TEMPERATURE DRY
INDOOR
TEMPERATURE
20OC
68O)
25OC
77O)
30OC
86O)
35OC
95O)
40OC
104O)
45OC
113O)
21OC(70O)'
15OC(59O):
Total capacity(W) 9675 10320 10700 9900 8640 6800
Sensitive capacity(W) 8720 8550 8510 8600 8000 6590
Total power input(W) 1980 2480 3650 3635 3600 2750
Sensitive capacity(W)/ Total
capacity(W) 90.1 82.8 79.5 86.9 92.6 96.9
24OC(75O)'
17OC(63O):
Total capacity(W) 9840 11130 11295 10730 9915 7555
Sensitive capacity(W) 8615 9075 9155 9320 9065 7200
Total power input(W) 1990 2685 3555 3485 3645 2775
Sensitive capacity(W)/ Total
capacity(W) 87.6 81.5 81.1 86.9 91.4 95.3
27OC(80O)'
19OC(67O):
Total capacity(W) 10990 12130 12700 11960 10250 8400
Sensitive capacity(W) 9415 9830 10000 9900 9550 7820
Total power input(W) 2000 2820 3600 3590 3670 2800
Sensitive capacity(W)/ Total
capacity(W) 85.7 81.0 78.7 82.8 93.2 93.1
32OC(90O)'
23OC(73O):
Total capacity(W) 13150 14010 14235 12135 11100 8750
Sensitive capacity(W) 10005 10100 10355 9910 9590 8215
Total power input(W) 2210 2515 3280 3555 3735 2830
Sensitive capacity(W)/ Total
capacity(W) 76.1 72.1 72.7 81.7 86.4 93.9
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
1Tables based on Terra Series High Wall indoor units, data may vary slightly if other High Wall models are utilized
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Service Manual
3. Outline Dimension Diagram
MULTI36HP230V1CO MULTI42HP230V1CO
MULTI30HP230V1CO
8QLWLQFK
40
42 1/2
24 5/6
17 1/3
14 1/4
14 4/5
43 3/7
38 3/7
36 2/9
17 1/3
14 4/7
31
24
15 5/7
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Service Manual
4. Refrigerant System Diagram
Schematic Diagram of Free Match Series Inverter Heat Pump System
M
Heat Exchanger
Four-way Valve
Compressor
Silencer
Gas/Liquid Separator
Heat Exchanger
Heat Exchanger
Heat Exchanger
Heat Exchanger
Heat Exchanger
Heating
Cooling
Outdoor Uint
Indoor Uint
Electronic Expansion Valve
Schematic Diagram of Free Match Series Inverter Heat Pump System
The outdoor and indoor units start to work once the power is switched on. During the cooling operation,
the low temperature, low pressure refrigerant gas from the heat exchanger of each indoor unit gets together
and then is taken into the compressor to be compressed into high temperature, high pressure gas, which will
soon go to the heat exchanger of the outdoor unit to exchange heat with the outdoor air and then is turned into
refrigerant liquid. After passing through the throttling device, the temperature and pressure of the refrigerant
liquid will further decrease and then go the main valve. After that, it will be divided and go to the heat exchanger
of each indoor unit to exchange heat with the air which needs to be conditioned. Consequently, the refrigerant
liquid become low temperature, low pressure refrigerant gas again. Such a refrigeration cycle goes round and
round to achieve the desired refrigeration purpose. During the heating operation, the four-way valve is involved
to make the refrigeration cycle run reversely. The refrigerant radiates heat in the heat exchanger of the indoor
unit (so do the electric heating devices) and absorb heat in the heat exchanger of the outdoor unit for a heat
pump heating cycle so as to achieve the desired heating purpose.
High Pressure Swicth
Filter
Eutectic Stopper
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5. Electrical Part
5.1 Wiring Diagram
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH :KLWH GN GREEN COMP Compressor
YE Yellow BN Brown Grouding wire
RD Red BU Blue
YEGN Yellow/Green BK %ODFN
VT Violet OG Orange
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5.2 PCB Printed Diagram
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2 N: terminals of neureal wire
3 AC-L: terminals of line wire
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5 U/V/W: terminals of
compressor
6 OVC-COMP: terminals of
overload protector
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8 EVA-EVE: terminals of
EXV(electronic expansion
valve)
9 CN802-CN803: terminals of
temperature sensor
10 COMU: terminals of
communication
11 2)$1WHUPLQDOVRIIDQ
12 4WAY: terminals of 4-way
valve
13 HEAT: terminals of
FRPSUHVVRUEDQGKHDWHU
14 HEAT1: terminals of bottom
EDQGKHDWHU
15 K101: Main relay
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Service Manual
6. Function and Control
1.Function Control
1) Cooling mode
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IRUFRROLQJRSHUDWLRQDQGWKHHOHFWURQLFH[SDQVLRQYDOYHWKHRXWGRRUIDQDQGWKHFRPSUHVVRUVWDUWRSHUDWLRQ
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GRHVQRWVWRSWKHFRPSUHVVRUDGMXVWWKHIUHTXHQF\DFFRUGLQJWRGHPDQG)RUWKHLQGRRUXQLWZLWKVWRSFRQGLWLRQVDWLVILHVWKH
corresponding electronic expansion valve will be closed.
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d. 4-way valve
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e. Outdoor fan control in cooling mode
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set speed.
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3) Heating mode
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mode
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demand.
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e. Defrosting function
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operation will runs for 60 second.
4) Fan mode
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2.Protection Function
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2) Overload protection
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Service Manual
3) High exhaust temperature protection
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times will be cleared to zero time.
4) Communication malfunction
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5) System high-pressure protection
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run.
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6) Compressor overload protection
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cleared to zero.
7) Antifreeze protection
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If Tevap. exceed 10OCDQGWKHFRPSUHVVRUKDVUHPDLQHGDW2))IRUDWOHDVWPLQXWHVWKHFRPSUHVVRUZLOOUHVXPHLWVRULJLQDORSHUDWLRQVWDWH
16 Installation and Maintenance
Service Manual
Part ė: Installation and Maintenance
)ROORZWKLVLQVWUXFWLRQWRFRPSOHWHWKH
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before unit startup and service.
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disaster etc.
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properly and soundly after plugging into
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power safety.
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accidents.
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exclusive cable.
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wired controller can not be used.
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immediately.Poisonous gas will emerge
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order to avoid accident.
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7. Safety Precautions
17
Installation and Maintenance
Service Manual
Main Tools for Installation and Maintenance
1. Level meter, measuring tape
4. Electroprobe
7. Electronic leakage detector
10. Pipe pliers, pipe cutter
2. Screw driver
5. Universal meter
8. Vacuum pump
11. Pipe expander, pipe bender
3. Impact drill, drill head, electric drill
6. Torque wrench, open-end wrench, inner
hexagon spanner
9. Pressure meter
12. Soldering appliance, refrigerant container
18 Installation and Maintenance
Service Manual
Preparation before installation
Prepare tools
Read the requirements
for electric connection
select installation
location
Select indoor unit
installation location
Install wall-mounting
frame, drill wall holes
Connect pipes of indoor
unit and drainage pipe
Connect wires of indoor unit
Connect wires of outdoor unit
Bind up pipes and
hang the indoor unit
Make the bound pipes pass
through the wall hole and then
connect outdoor unit
Neaten the pipes
Vacuum pumping and leakage detection
Check after installation and test operation
Finish installation
Note: this flow is only for reference; please find the more detailed installation steps in this section.
Select outdoor unit
installation location
Install the support of outdoor unit
(select it according to the actual situation)
Install drainage joint of outdoor unit
(only for cooling and heating unit)
Connect pipes of outdoor unit
Start installation
Fix outdoor unit
Installation procedures
8.Installation Manual
This manual suits for next models
2
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