Gree GWH09RB-K3DNA3G User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH09RB-K3DNA3G
GWH12RB-K3DNA3G
(Refrigerant:R410A)
Models:

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................4
2.3 Capacity Variation Ratio According to Temperature .........................................................4
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5
2.5 Noise Curve......................................................................................................................5
3. Outline Dimension Diagram........................................................................6
3.1 Indoor Unit........................................................................................................................6
3.2 Outoor Unit .......................................................................................................................6
4. Refrigerant System Diagram......................................................................7
5. Electrical Part...........................................................................................................8
5.1 Wiring Diagram.................................................................................................................8
5.2 PCB Printed Diagram .....................................................................................................10
6. Function and Control......................................................................................12
6.1 Remote Controller Introduction .....................................................................................12
6.2 Brief Description of Modes and Functions......................................................................16
Part Ⅱ: Installation and Maintenance .................................................21
7. Notes for Installation and Maintenance..........................................21
8. Installation................................................................................................................23
8.1 Installation Dimension Diagram......................................................................................23
8.2 Installation Parts-checking ............................................................................................25
8.3 Selection of Installation Location....................................................................................25
8.4 Electric Connection Requirement ..................................................................................25
8.5 Installation of Indoor Unit................................................................................................25
8.6 Installation of Outdoor Unit.............................................................................................28
8.7 Vacuum Pumping and Leak Detection ...........................................................................29
8.8 Check after Installation and Test Operation ...................................................................29

Service Manual
Table of Contents Table of Contents
9. Maintenance............................................................................................................30
9.1 Error Code List ...............................................................................................................30
9.2 Procedure of Troubleshooting ........................................................................................37
9.3 Troubleshooting for Normal Malfunction.........................................................................52
10. Exploded View and Parts List ..............................................................54
10.1 Indoor Unit....................................................................................................................54
10.2 Outdoor Unit .................................................................................................................56
11. Removal Procedure.......................................................................................58
11.1 Removal Procedure of Indoor Unit ...............................................................................58
11.2 Removal Procedure of Outdoor Unit ............................................................................65
Appendix:........................................................................................................................70
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................70
Appendix 2: Conguration of Connection Pipe.....................................................................70
Appendix 3: Pipe Expanding Method ...................................................................................71
Appendix 4: List of Resistance for Temperature Sensor ......................................................72

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09RB-K3DNA3G/I
GWH12RB-K3DNA3G/I
GWH09MB-K3DNE3G/O
GWH12MB-K3DNE3G/O
Outdoor Unit
Remote Controller
YAA1FB

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH09RB-K3DNA3G GWH12RB-K3DNA3G
Product Code CB302003100 CB302003200
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 2600(600~3200) 3500(600~3900)
Heating Capacity W 3000(800~3600) 4000(880~4400)
Cooling Power Input W 870(185~1300) 1170(185~1400)
Heating Power Input W 900(220~1400) 1200(250~1550)
Cooling Power Current A 3.80 5.20
Heating Power Current A 3.92 5.30
Rated Input W 1400 1550
Rated Current A 6.69 7.80
Air Flow Volume(SH/H/M/L/SL) m3/h 600/500/400/300/- 600/500/400/300/-
Dehumidifying Volume L/h 0.8 1.2
EER W/W 2.99 2.99
COP W/W 3.33 3.33
SEER W/W 6.10 6.10
HSPF W/W 4.00 4.00
Application Area m212-18 16-24
Indoor Unit
Model of indoor unit GWH09RB-K3DNA3G/I GWH12RB-K3DNA3G/I
Indoor Unit Product Code CB302N03100 CB302N03200
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1260/1050/950/750/- 1290/1070/900/730/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1320/1150/1050/950/- 1320/1150/1050/920/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.10 0.10
Fan Motor Capacitor μF 1 1
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 636X25.4X267 636X25.4X267
Swing Motor Model MP24AA MP24AA
Output of Swing Motor W 2 2
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/39/34/28/- 42/40/35/30/-
Sound Power Level (SH/H/M/L/SL) dB (A) 52/49/44/38/- 52/50/45/40/-
Dimension (WXHXD) mm 848X274X189 848X274X189
Dimension of Carton Box (LXWXH) mm 923X356X264 923X356X264
Dimension of Package (LXWXH) mm 926X359X279 926X359X279
Net Weight kg 10 10
Gross Weight kg 12 12

3
Technical 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 GWH09MB-K3DNE3G/O GWH12MB-K3DNE3G/O
Outdoor Unit Product Code CB404W03600 CB404W03500
Compressor Manufacturer/Trademark ZHUHAI LANDA
COMPRESSOR CO., LTD.
ZHUHAI LANDA
COMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A QXA-A091zE190A
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
L.R.A. A 16.5 16.5
Compressor RLA A 4.5 4.5
Compressor Power Input W 942 942
Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Electron expansion valve Electron expansion valve
Operation Temp oC 16~30 16~30
Ambient Temp (Cooling) oC -15~48 -15~48
Ambient Temp (Heating) oC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7 Φ7
Rows-n Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 710X19.05X508 695X38.1X506
Fan Motor Speed rpm 900/650 900/650
Output of Fan Motor W 30 30
Fan Motor RLA A 0.15 0.15
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit m3/h 1600 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ400
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive Operating Pressure for
the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure for
the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 51/-/- 53/-/-
Sound Power Level (H/M/L) dB (A) 61/-/- 63/-/-
Dimension (WXHXD) mm 776X540X320 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580 848X360X580
Dimension of Package (LXWXH) mm 851X363X595 851X363X595
Net Weight kg 28 29
Gross Weight kg 31 32
Refrigerant R410A R410A
Refrigerant Charge kg 0.70 0.85
Connection
Pipe
Length m 5 5
Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe mm Φ6 Φ6
Outer Diameter Gas Pipe mm Φ9.52 Φ9.52
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
Cooling Heating
28 30 32 34 36 38 40 42 48 –15 –10 –5
43 44 46
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05
710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%)
Capacity ratio (%)
Cooling Heating
0
1
2
3
4
5
6
7
8
9
10
020406080100 120
Condition
Indoor:DB 27 WB19
Indoor air flow: Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
0
1
2
3
4
5
6
7
8
020406080100 12
0
Condition
Indoor:DB 20
Indoor air flow:Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
Current(A)
Current(A)
09K
12K


°C °C °C
09K
12K

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(oC)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
27/19 35/24
09K
0.8 to 1.0
12 to 15 65 to 38 Super High High 54
12K 11 to 14 64 to 37 Super High High 60
Rated heating
condition(oC)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
20/15 7/6
09K
2.2 to 2.4
35 to 63 2 to 5 Super High High 62
12K 35 to 65 2 to 5 Super High High 66
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Cooling:
Heating:
2.5 Noise Curve
Indoor side noise when blowing
Outdoor side noise when Compressor speed changed
CompressorSpeed(rps)
706050403020
45
50
55
)A(Bd/esioN
75
09K
12K
Indoor fanmotor rotating speed
LowMiddleHighSupper High
25
30
35
40
45
)A(Bd/esioN

6Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
3.2 Outoor Unit
Unit:mm
Unit:mm
320 776
510
714257
286
540
274
189
50
85
174542132
69
Φ55
Φ55
848

7
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
StrainerStrainer ElectronCapillary
expansion
valve
Compressor