Gree GWH07QA-K6DNC4A User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information .................................. 2
1. Summary......................................................................... 2
2. Specications............................................................... 3
2.1 Specication Sheet..................................................................................................5
2.2 Capacity Variation Ratio According to Temperature .................................33
2.3 Cooling and Heating Data Sheet in Rated Frequency...............................35
2.4 Noise Curve..............................................................................................................35
3. Outline Dimension Diagram................................. 37
3.1 Indoor Unit ................................................................................................................37
3.2 Outdoor Unit.............................................................................................................38
4. Refrigerant System Diagram ............................... 41
5. Electrical Part ............................................................. 42
5.1 Wiring Diagram .......................................................................................................42
5.2 PCB Printed Diagram............................................................................................51
6. Function and Control .............................................. 60
6.1 Remote Controller Introduction ........................................................................60
6.2 Brief Description of Models and Functions..................................................74
6.3 GREE+ App Operation Manual ..........................................................................83
6.4 Ewpe Smart App Operation Manual.................................................................84
Part Ⅱ: Installation and Maintenance ................ 85
7. Notes for Installation and Maintenance.......... 85
8. Installation ................................................................... 90
8.1 Installation Dimension Diagram........................................................................90
8.2 Installation Parts-checking ................................................................................92
8.3 Selection of Installation Location.....................................................................92

Service Manual
Table of Contents
8.4 Electric Connection Requirement ....................................................................92
8.5 Installation of Indoor Unit....................................................................................93
8.6 Installation of Outdoor unit.................................................................................95
8.7 Vacuum Pumping and Leak Detection............................................................96
8.8 Check after Installation and Test operation..................................................97
9. Maintenance................................................................ 98
9.1 Error Code List........................................................................................................98
9.2 Procedure of Troubleshooting ........................................................................103
9.3 Troubleshooting for Normal Malfunction ....................................................117
10. Exploded View and Parts List......................... 119
10.1 Indoor Unit............................................................................................................119
10.2 Outdoor Unit ........................................................................................................133
11. Removal Procedure ............................................. 143
11.1 Removal Procedure of Indoor Unit ..............................................................143
11.2 Removal Procedure of Outdoor Unit...........................................................148
Appendix ......................................................................... 177
Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................177
Appendix 2: Conguration of Connection Pipe ...............................................177
Appendix 3: Pipe Expanding Method...................................................................178
Appendix 4: List of Resistance for Temperature Sensor..............................179

2Technical Information
Service Manual
Outdoor Unit:
1. Summary
Indoor Unit:
B2A5
C4
D2 for some model
D2 for some model
B4 B8
GWH09AFC-K6DNA2F/O
GWH12AFC-K6DNA2F/O
GWH18ALD-K6DNA1A/O
GWH07QA-K6DNC4A/O
GWH09AGA-K6DNA1A/O
GWH12AGB-K6DNA1A/O

3
Technical Information
Service Manual
Remote Controller:
YAC1FB9(WiFi)
GWH18AFD-K6DNA2I/O
GWH24ALD-K6DNA1B/O GWH24AFE-K6DNA2I/O
GWH18QD-K6DNA1D/O
GWH24QE-K6DNA1E/O
YAN1F6(WiFi)
MODE FAN
SWING TURBO
SLEEP TEMP
WiFi
LIGHT
CLOCK
TIMER
ON
TIMER
OFF
YAP1F2(WiFi)
TURBO
FAN
MODE
ON/OFF
I FEEL T-ON T-OFF
TEMP
CLOCK
LIGHT
WiFi
SLEEP
2. Specications

4Technical Information
Service Manual
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1 GWH07QA-K6DNC4A CB444013200 GWH07QA-K6DNC4A/I CB444N13200 GWH07QA-K6DNC4A/O CB444W13200
YAN1F6
(WiFi)
2GWH09QA-K6DNB4A CB434020401 GWH09QA-K6DNB4A/I CB434N20401
GWH09AGA-K6DNA1A/O CB385W01000
3 CB434020402 CB434N20402
4GWH09QA-K6DNB2A CB432025402 GWH09QA-K6DNB2A/I CB432N25402
5 CB432025401 CB432N25401
6 GWH09QA-K6DNB8A CB438012600 GWH09QA-K6DNB8A/I CB438N12600
7 GWH09QA-K6DNC4A CB444013800 GWH09QA-K6DNC4A/I CB444N13800
8GWH12QB-K6DNB2A CB432025502 GWH12QB-K6DNB2A/I CB432N25502
GWH12AGB-K6DNA1A/O CB385W01700
9 CB432025503 CB432N25503
10 GWH12QB-K6DNB4A CB434020501 GWH12QB-K6DNB4A/I CB434N20501
11 GWH12QB-K6DNB8A CB438012700 GWH12QB-K6DNB8A/I CB438N12700
12 GWH12QB-K6DNC4A CB444013900 GWH12QB-K6DNC4A/I CB444N13900
13 GWH09QC-K6DNB2F CB432026000 GWH09QC-K6DNB2F/I CB432N26000
GWH09AFC-K6DNA2F/O CB363W02900
YAC1FB9
(WiFi)
14 GWH09QC-K6DNC4F CB444013400 GWH09QC-K6DNC4F/I CB444N13400
15 GWH09QC-K6DND2F CB461007700 GWH09QC-K6DND2F/I CB461N07700
16 GWH12QC-K6DNA5F CB425016200 GWH12QC-K6DNA5F/I CB425N16200
GWH12AFC-K6DNA2F/O
CB363W0360017 GWH12QC-K6DNB2F CB432026102 GWH12QC-K6DNB2F/I CB432N26102
18 GWH12QC-K6DND2F CB461007502 GWH12QC-K6DND2F/I CB461N07502
19 GWH12QC-K6DNC4F CB444013501 GWH12QC-K6DNC4F/I CB444N13500
CB363W0360120 GWH12QC-K6DNB2F CB432026101 GWH12QC-K6DNB2F/I CB432N26100
21 GWH12QC-K6DND2F CB461007501 GWH12QC-K6DND2F/I CB461N07500
22 GWH18QD-K6DNA5I CB425016301 GWH18QD-K6DNA5I/I CB425N16300
GWH18AFD-K6DNA2I/O
CB363W04201
YAC1FB9
(WiFi)
23 GWH18QD-K6DND2I CB461007601 GWH18QD-K6DND2I/I CB461N07601
24 GWH18QD-K6DNB2I CB432026200 GWH18QD-K6DNB2I/I CB432N26200
CB363W0420025 GWH18QD-K6DNC4I CB444013300 GWH18QD-K6DNC4I/I CB444N13300
26 GWH18QD-K6DND2I CB461007600 GWH18QD-K6DND2I/I CB461N07600
27 GWH18QD-K6DNC4D CB444012303 GWH18QD-K6DNC4D/I CB444N12302 GWH18QD-K6DNA1D/O CB419W15601
28 GWH24QE-K6DNC4E CB444009802 GWH24QE-K6DNC4E/I CB444N09802 GWH24QE-K6DNA1E/O CB419W15701
29 GWH24QE-K6DNB2I CB432026300 GWH24QE-K6DNB2I/I CB432N26300
GWH24AFE-K6DNA2I/O
CB363W04100
30 GWH24QE-K6DND2K CB461007800 GWH24QE-K6DND2K/I CB461N07800
31 GWH24QE-K6DNA5I CB425016401 GWH24QE-K6DNA5I/I CB425N16400 CB363W04101
32 GWH24QE-K6DND2K CB461007801 GWH24QE-K6DND2K/I CB461N07801
33 GWH18QD-K6DNB2E CB432026600 GWH18QD-K6DNB2E/I CB432N26600 GWH18ALD-K6DNA1A/O CB513W01600 YAP1F2
(WiFi)
34 GWH18QD-K6DNC4A CB444013700 GWH18QD-K6DNC4A/I CB444N13700
35 GWH24QD-K6DNB2B CB432026700 GWH24QD-K6DNB2B/I CB432N26700 GWH24ALD-K6DNA1B/O CB513W02200
36 GWH24QD-K6DNC4B CB444013600 GWH24QD-K6DNC4B/I CB444N13600

5
Technical Information
Service Manual
2.1 Specication Sheet
Model GWH07QA-K6DNC4A
Product Code CB444013200
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2200
Heating Capacity W 2300
Cooling Power Input W 600
Heating Power Input W 590
Cooling Current Input A 2.9
Heating Current Input A 2.9
Rated Input W 1500
Rated Cooling Current A 6.0
Rated Heating Current A 7.5
Air Flow Volume m3/h 500/420/390/300
Dehumidifying Volume L/h 0.80
EER W/W 3.67
COP W/W 3.90
SEER -- 6.5
SCOP (Warmer/Average/Colder) -- 5.1/4.0/-
Application Area m212-18
Indoor Unit
Model GWH07QA-K6DNC4A/I
Product Code CB444N13200
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ98X507
Cooling Speed r/min 1300/1200/1000/800
Heating Speed r/min 1300/1200/1000/800
Fan Motor Power Output W 10
Fan Motor RLA A 0.2
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.5
Evaporator Coil Length (LXDXW) mm 510X22.8X266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling:39/36/32/25
Heating:39/36/33/26
Sound Power Level dB (A) Cooling:55/48/44/37
Heating:49/48/45/38
Dimension (WXHXD) mm 713X270X195
Dimension of Carton Box (LXWXH) mm 760X334X259
Dimension of Package (LXWXH) mm 763X350X270
Net Weight kg 8
Gross Weight kg 9.5

6Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH07QA-K6DNC4A/O
Outdoor Unit Product Code CB444W13200
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model FTz-AN075ACBF-A
Compressor Oil FW68DA
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 3.00
Compressor Power Input W 633
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC -15~43
Heating Operation Ambient Temperature Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 1-1.4
Condenser Coil Length (LXDXW) mm 700X19.05X528
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Heater Power Input W /
Outdoor Unit Air Flow Volume m3/h 1950
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A) 51/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension(WXHXD) mm 732X550X330
Dimension of Carton Box (LXWXH) mm 789X390X600
Dimension of Package(LXWXH) mm 792X393X615
Net Weight kg 25
Gross Weight kg 27.5
Refrigerant R32
Refrigerant Charge kg 0.5
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model 1.GWH09QA-K6DNB4A 2.GWH09QA-K6DNB2A
3.GWH09QA-K6DNB8A 4.GWH09QA-K6DNC4A
Product Code 1.CB434020401/CB434020402 2.CB432025401/CB432025402
3.CB438012600 4.CB444013800
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2500
Heating Capacity W 2800
Cooling Power Input W 720
Heating Power Input W 750
Cooling Current Input A 3.2
Heating Current Input A 3.2
Rated Input W 1500
Rated Cooling Current A 6
Rated Heating Current A 7.5
Air Flow Volume m3/h 500/420/390/300
Dehumidifying Volume L/h 0.80
EER W/W 3.47
COP W/W 3.73
SEER -- 6.5
SCOP (Warmer/Average/Colder) -- 5.1/4.1/-
Application Area m212-18
Indoor Unit
Model 1.GWH09QA-K6DNB4A/I 2.GWH09QA-K6DNB2A/I
3.GWH09QA-K6DNB8A/I 4.GWH09QA-K6DNC4A/I
Product Code 1.CB434N20401/CB434N20402 2.CB432N25401/CB432N25402
3.CB438N12600 4.CB444N13800
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф98X507
Cooling Speed r/min 1300/1200/1000/800
Heating Speed r/min 1300/1200/1000/800
Fan Motor Power Output W 10
Fan Motor RLA A 0.2
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.5
Evaporator Coil Length (LXDXW) mm 510X22.8X266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling:39/36/32/25
Heating:39/36/33/26
Sound Power Level dB (A) Cooling:55/48/44/37
Heating:49/48/45/38
Dimension (WXHXD) mm 713X270X195
Dimension of Carton Box (LXWXH) mm 760X334X259
Dimension of Package (LXWXH) mm 763X350X270
Net Weight kg 8
Gross Weight kg 9.5

8Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH09AGA-K6DNA1A/O
Outdoor Unit Product Code CB385W01000
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model FTz-AN075ACBF-A
Compressor Oil FW68DA
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 3.00
Compressor Power Input W 633
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature Range ºC -15~43
Heating Operation Ambient Temperature Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 1-1.4
Condenser Coil Length (LXDXW) mm 700X19.05X528
Fan Motor Speed rpm 900
Output of Fan Motor W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Heater Power Input W /
Outdoor Unit Air Flow Volume m3/h 1950
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A) 51/-/-
Sound Power Level (H/M/L) dB (A) 62/-/-
Dimension(WXHXD) mm 732X550X330
Dimension of Carton Box (LXWXH) mm 789X390X600
Dimension of Package(LXWXH) mm 792X393X615
Net Weight kg 25
Gross Weight kg 27.5
Refrigerant R32
Refrigerant Charge kg 0.5
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 16
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.