Gree GWC12NC-K3NNA3F User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWC12NC-K3NNA3F
GWH12NC-K3NNA2G
GWC12NC-K3NNA4F
GWH12NC-K3NNA4H
GWC12NC-K3NNA5F
GWH12NC-K3NNA5G
GWC12NC-K3NNA9F
GWH12NC-K3NNA9G
GWC12NC-K3NNB4F
GWH12NC-K3NNB4G
GWC12NC-K3NND4E
(Refrigerant:R410A)

Service Manual
Table of Contents
Part Ⅰ: Technical Information......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
2.2 Capacity Curve in Different Outdoor Temperature ...........................................................9
2.3 Cooling and Heating Data Sheet in Rated Frequency .....................................................9
3. Outline Dimension Diagram......................................................................10
3.1 Indoor Unit......................................................................................................................10
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram....................................................................11
5. Electrical Part.........................................................................................................13
5.1 Wiring Diagram...............................................................................................................13
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................17
6.1 Remote Controller Introduction .....................................................................................17
6.2 Brief Description of Modes and Functions......................................................................21
Part Ⅱ: Installation and Maintenance .................................................26
7. Notes for Installation and Maintenance..........................................26
8. Installation................................................................................................................28
8.1 Installation Dimension Diagram......................................................................................28
8.2 Installation Parts-Checking ............................................................................................30
8.3 Selection of Installation Location....................................................................................30
8.4 Electric Connection Requirement...................................................................................30
8.5 Installation of Indoor Unit................................................................................................30
8.6 Installation of Outdoor Unit.............................................................................................33
8.7 Vacuum Pumping and Leak Detection ...........................................................................34
8.8 Check after Installation and Test Operation ...................................................................34
9. Maintenance............................................................................................................35
9.1 Error Code......................................................................................................................35
9.2 Procedure of Troubleshooting ........................................................................................36
9.3 Maintenance Method for Normal Malfunction.................................................................40
Table of Contents

Service Manual
10. Exploded View and Parts List ..............................................................42
10.1 Indoor Unit....................................................................................................................42
10.2 Outdoor Unit .................................................................................................................50
11. Removal Procedure.......................................................................................56
11.1 Removal Procedure of Indoor Unit ...............................................................................56
11.2 Removal Procedure of Outdoor Unit ............................................................................61
Appendix:........................................................................................................................65
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................65
Appendix 2: Conguration of Connection Pipe.....................................................................65
Appendix 3: Pipe Expanding Method ...................................................................................66
Appendix 4: List of Resistance for Temperature Sensor ......................................................67
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit:
GWC12NC-K3NNA3F/I
GWH12NC-K3NNA2G/I
GWC12NC-K3NNA4F/I
GWH12NC-K3NNA4H/I
GWC12NC-K3NNA5F/I
GWH12NC-K3NNA5G/I
CoolHeatPower
Dry
GWC12NC-K3NNA9F/I
GWH12NC-K3NNA9G/I

2Technical Information
Service Manual
Outdoor Unit:
GWC12NC-K3NNA3E/O
GWC12NC-K3NNA3F/O
GWH12NC-K3NNA2G/O
YB1FA(MOTO)
X-FAN
I
I
I
Remote ControlIer:
GWC12NC-K3NND4E/I
GWC12NC-K3NNB4F/I
GWH12NC-K3NNB4G/I
Unit model Unit code Indoor unit
model
Indoor unit
code
Outdoor unit
model
Outdoor unit
code
Remove
Controller
GWH12NC-K3NNA2G CA181015200 GWH12NC-K3NNA2G/I CA181N15200 GWH12NC-K3NNA2G/O CA181W15200
YB1FA(MOTO)
GWC12NC-K3NNA3F CA171029800 GWC12NC-K3NNA3F/I CA171N29800 GWC12NC-K3NNA3F/O CA171W29800
GWC12NC-K3NNA4F CA161013300 GWC12NC-K3NNA4F/I CA161N13300
GWH12NC-K3NNA4H CA161013400 GWH12NC-K3NNA4H/I CA161N13400 GWH12NC-K3NNA2G/O CA181W15200
GWC12NC-K3NNA5F CA162018000 GWC12NC-K3NNA5F/I CA162N18000 GWC12NC-K3NNA3F/O CA171W29800
GWH12NC-K3NNA5G CA162018100 GWH12NC-K3NNA5G/I CA162N18100 GWH12NC-K3NNA2G/O CA181W15200
GWC12NC-K3NNA9F CA182006200 GWC12NC-K3NNA9F/I CA182N06200 GWC12NC-K3NNA3F/O CA171W29800
GWH12NC-K3NNA9G CA182006300 GWH12NC-K3NNA9G/I CA182N06300 GWH12NC-K3NNA2G/O CA181W15200
GWC12NC-K3NNB4F CA163013300 GWC12NC-K3NNB4F/I CA163N13300 GWC12NC-K3NNA3F/O CA171W29800
GWH12NC-K3NNB4G CA163013200 GWH12NC-K3NNB4G/I CA163N13200 GWH12NC-K3NNA2G/O CA181W15200
GWC12NC-K3NND4E CA145006400 GWC12NC-K3NND4E/I CA145N06400 GWC12NC-K3NNA3E/O CA171W24100

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model
GWC12NC-K3NNA3F
GWC12NC-K3NNA4F
GWC12NC-K3NNA5F
GWH12NC-K3NNA2G
GWH12NC-K3NNA4H
GWH12NC-K3NNA5G
Product Code
CA171029800
CA161013300
CA162018000
CA181015200
CA161013400
CA162018100
Power Supply
Rated Voltage V~ 220 220
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 3223 3223
Heating Capacity W / 3250
Cooling Power Input W 1001 1001
Heating Power Input W / 867
Cooling Power Current A 4.64 4.64
Heating Power Current A / 4.02
Rated Input W 1500 1500
Rated Current A 8.0 8.0
Air Flow Volume(SH/H/M/L/SL) m3/h 650/550/450/330/- 650/550/450/330/-
Dehumidifying Volume L/h 1.4 1.2
EER W/W 3.22 3.22
COP W/W / 4
SEER W/W / /
HSPF W/W / /
Application Area m215-22 15-22
Indoor Unit
Model of indoor unit
GWC12NC-K3NNA3F/I
GWC12NC-K3NNA4F/I
GWC12NC-K3NNA5F/I
GWH12NC-K3NNA2G/I
GWH12NC-K3NNA4H/I
GWH12NC-K3NNA5G/I
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1250/1100/950/- 1350/1250/1100/950/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min / 1350/1250/1100/1000/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.22 0.2
Fan Motor Capacitor μF 1 1
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 645X25.4X266.7 645X25.4X266.7
Swing Motor Model MP24AA MP24AA
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 41/38/34/29/- 41/38/34/29/-
Sound Power Level (SH/H/M/L/SL) dB (A) 51/48/44/39/- 51/48/44/39/-
Dimension (WXHXD) mm 845X275X180 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355 915X255X355
Dimension of Package(LXWXH) mm 918X258X370 918X258X370
Net Weight kg 9.5 9.5
Gross Weight kg 11.5 11.5

4Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit GWC12NC-K3NNA3F/O GWH12NC-K3NNA2G/O
Product Code CA171W29800 CA181W15200
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXA-B117C050 QXA-B117C050
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
L.R.A. A 21 21
Compressor RLA A 4 4
Compressor Power Input W 800 800
Overload Protector HPA-322 HPA-322
Throttling Method Throttle Throttle
Operation Temp OC 16~30 16~30
Ambient Temp (Cooling) OC 18~43 18~43
Ambient Temp (Heating) OC / -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ5 Φ7.94
Rows-n Gap mm 1-1.3 1-1.4
Coil Length (LXDXW) mm 710X11.4X495 697X19.05X506
Fan Motor Speed rpm 850 850
Output of Fan Motor W 35 35
Fan Motor RLA A 0.33 0.22
Fan Motor Capacitor μF 2.5 2.5
Air Flow Volume of Outdoor Unit m3/h 1600 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ394.5 Φ394.5
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.0 4.0
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 50/-/- 51/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 61/-/-
Dimension (WXHXD) mm 776X540X320 776X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580 820X355X580
Dimension of Package(LXWXH) mm 823X358X595 823X358X595
Net Weight kg 27 29
Gross Weight kg 29.5 31.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.55 0.8
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 15 15
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ12 Φ12
Max Distance Height m 10 10
Max Distance Length m 20 20
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GWC12NC-K3NNA9F
GWC12NC-K3NNB4F
GWH12NC-K3NNA9G
GWH12NC-K3NNB4G
Product Code CA182006200
CA163013300
CA182006300
CA163013200
Power Supply
Rated Voltage V~ 220 220
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 3223 3223
Heating Capacity W / 3250
Cooling Power Input W 1001 1001
Heating Power Input W / 867
Cooling Power Current A 4.64 4.64
Heating Power Current A / 4.02
Rated Input W 1500 1500
Rated Current A 8.0 8.0
Air Flow Volume(SH/H/M/L/SL) m3/h 650/550/450/330/- 650/550/450/330/-
Dehumidifying Volume L/h 1.4 1.2
EER W/W 3.22 3.22
COP W/W / 4
SEER W/W / /
HSPF W/W / /
Application Area m215-22 15-22
Indoor Unit
Model of indoor unit GWC12NC-K3NNA9F/I
GWC12NC-K3NNB4F/I
GWH12NC-K3NNA9G/I
GWH12NC-K3NNB4G/I
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1250/1100/950/- 1350/1250/1100/950/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min / 1350/1250/1100/1000/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.22 0.2
Fan Motor Capacitor μF 1 1
Input of Heater W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Row-n Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 645X25.4X266.7 645X25.4X266.7
Swing Motor Model MP24AA MP24AA
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 41/38/34/29/- 41/38/34/29/-
Sound Power Level (SH/H/M/L/SL) dB (A) 51/48/44/39/- 51/48/44/39/-
Dimension (WXHXD) mm 845X275X180 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355 915X255X355
Dimension of Package(LXWXH) mm 918X258X370 918X258X370
Net Weight kg 9.5 9.5
Gross Weight kg 11.5 11.5

6Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit GWC12NC-K3NNA3F/O GWH12NC-K3NNA2G/O
Product Code CA171W29800 CA181W15200
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXA-B117C050 QXA-B117C050
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
L.R.A. A 21 21
Compressor RLA A 4 4
Compressor Power Input W 800 800
Overload Protector HPA-322 HPA-322
Throttling Method Throttle Throttle
Operation Temp OC 16~30 16~30
Ambient Temp (Cooling) OC 18~43 18~43
Ambient Temp (Heating) OC / -7~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ5 Φ7.94
Rows-n Gap mm 1-1.3 1-1.4
Coil Length (LXDXW) mm 710X11.4X495 697X19.05X506
Fan Motor Speed rpm 850 850
Output of Fan Motor W 35 35
Fan Motor RLA A 0.33 0.22
Fan Motor Capacitor μF 2.5 2.5
Air Flow Volume of Outdoor Unit m3/h 1600 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ394.5 Φ394.5
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.0 4.0
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 50/-/- 51/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 61/-/-
Dimension (WXHXD) mm 776X540X320 776X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580 820X355X580
Dimension of Package(LXWXH) mm 823X358X595 823X358X595
Net Weight kg 27 29
Gross Weight kg 29.5 31.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.55 0.8
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 15 15
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ12 Φ12
Max Distance Height m 10 10
Max Distance Length m 20 20
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model GWC12NC-K3NND4E
Product Code CA145006400
Power Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 3224
Heating Capacity W /
Cooling Power Input W 1147
Heating Power Input W /
Cooling Power Current A 5.32
Heating Power Current A /
Rated Input W 1400
Rated Current A 7.72
Air Flow Volume(SH/H/M/L/SL) m3/h 600/550/500/450/-
Dehumidifying Volume L/h 1.2
EER W/W 2.81
COP W/W /
SEER W/W /
HSPF W/W /
Application Area m215-22
Indoor Unit
Model of indoor unit GWC12NC-K3NND4E/I
Fan Type Cross-ow
Diameter Length(DXL) mm Φ92X645
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1250/1100/950/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min /
Output of Fan Motor W 20
Fan Motor RLA A 0.31
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 645X25.4X266.7
Swing Motor Model MP24AA
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/39/36/33/-
Sound Power Level (SH/H/M/L/SL) dB (A) 52/49/46/43/-
Dimension (WXHXD) mm 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355
Dimension of Package(LXWXH) mm 918X258X370
Net Weight kg 10
Gross Weight kg 12