Gree GWH12MB-K3DNE3G User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH09MB-K3DNE3G
GWH12MB-K3DNE3G
Model:
(Refrigerant:R410A)

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 Outdoor 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 ......................................................22
7. Notes for Installation and Maintenance...............................................22
8. Installation.....................................................................................................................24
8.1 Installation Dimension Diagram...........................................................................................24
8.2 Installation Parts-checking .................................................................................................26
8.3 Selection of Installation Location.........................................................................................26
8.4 Electric Connection Requirement........................................................................................26
8.5 Installation of Indoor Unit.....................................................................................................26
8.6 Installation of Outdoor Unit..................................................................................................29
8.7 Vacuum Pumping and Leak Detection ................................................................................30
8.8 Check after Installation and Test Operation ........................................................................30

Service Manual
Table of contents Table of contents
9. Maintenance.................................................................................................................31
9.1 Error Code List....................................................................................................................31
9.2 Troubleshooting for Main Malfunction .................................................................................38
9.3 Troubleshooting for Normal Malfunction..............................................................................53
10. Exploded View and Parts’ List..................................................................55
10.1 Indoor Unit.........................................................................................................................55
10.2 Outdoor Unit ......................................................................................................................58
11. Removal Procedure............................................................................................64
11.1 Removal Procedure of Indoor Unit ....................................................................................64
11.2 Removal Procedure of Outdoor Unit .................................................................................67
Appendix:.............................................................................................................................72
Appendix 1: Reference Sheet of Celsius and Fahrenheit .........................................................72
Appendix 2: Conguration of Connection Pipe..........................................................................72
Appendix 3: Pipe Expanding Method ........................................................................................73
Appendix 4: List of Resistance for Temperature Sensor ...........................................................74

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Part Ⅰ : Technical Information
Remote Controller:
YT1F(MOTO)
Outdoor Unit:
GWH09MB-K3DNE3G/I
GWH12MB-K3DNE3G/I
GWH09MB-K3DNE3G/O
GWH12MB-K3DNE3G/O

2. Specifications
2.1 Specification Sheet
Model
GWH09MB-K3DNE3G
GWH12MB-K3DNE3G
Product Code
CB404003600
CB404003601 CB404003500 CB404003501
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Power
Supply Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity (Min~Max) W2600(600~3200) 3500(600~3900)
Heating Capacity (Min~Max) W3000(800~3600) 4000(880~4400)
Cooling Power Input (Min~Max) W870(185~1300) 1170(185~1400)
Heating Power Input (Min~Max) W900(220~1400) 1200(250~1550)
Cooling Power Current A3.8 5.2
Heating Power Current A3.92 5.3
Rated Input W1400 1600
Rated Current A6.69 7.8
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 6.1 6.1
HSPF W/W 4.0 4.0
Application Area m212-18 16-24
Model of Indoor Unit GWH09MB-K3DNE3G/I GWH12MB-K3DNE3G/I
Indoor Unit Product Code CB404N03600/CB404N03601 CB404N03500/CB404N03501
Fan Type Cross-flow Cross-flow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed
(SH/H/M/L/SL) r/min 1260/1050/900/690/- 1290/1070/900/690/-
Fan Motor Heating Speed
(SH/H/M/L/SL) r/min 1320/1200/1000/910/- 1280/1050/980/920/-
Output of Fan Motor W20 20
Fan Motor RLA A0.1 0.1
Fan Motor Capacitor μF1.0 1.0
Input of Heater W- -
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm Φ7Φ7
Row-fin 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 A3.15 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) 54/50/45/40/- 54/51/45/42/-
Dimension (WXHXD) mm 845X275X180 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355 915X255X355
Dimension of Package (LXWXH) mm 918X258X370 918X258X370
Net Weight kg 9 9
Indoor
Unit
Gross Weight kg 12 12
2Technical Information

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
Product Code of Outdoor Unit
CB404W03600/CB404W03601 CB404W03500/CB404W03501
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO., LTD. ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A QXA-A091zE190A
Compressor Oil FVC 68EP FVC 68EP
Compressor Type Rotary Rotary
L.R.A. A 16.5 16.5
Compressor RLA A 4.9 4.9
Compressor Power Input W 950 950
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) 63/-/- 63/-/-
Dimension (WXHXD) mm 776X540X320 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580 848X360X580
Dimension of Package (LXWXH) mm 851X363X595 851X363X595
Net Weight kg 28.0 29.0
Gross Weight kg 32.0 33.0
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 0.85
Connectio
n 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
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
020406080 100 120
Condition
Indoor:DB 20
Indoor air flow:Turbo
Pipe length:5m
Voltage:230V
Compressor Speed(rps)
Cooling Heating
Current(A)
Current(A)
50
60
70
80
90
100
110
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Condition
Indoor:DB27 WB19
Indoor air flow:
Turbo
Pipe length:5m
Outdoor temp. (°C)
0
20
40
60
80
100
120
Capacity ratio(%)
Outdoor temp. (°C)
gnitaeHgnilooC
09K
12K
-7 -5 0510
Condition
Indoor:DB20
Indoor air flow:
Turbo
Pipe length:5m
°C °C °C
°C °C °C
09K
12K

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°C) (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
revolution (rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 09K 0.9~1.1 12 to 15 65 to 38 TURBO High 54
12K 11 to 14 64 to 37 60
Rated heating
condition(°C) (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
revolution (rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 09K 2.2~2.4 35 to 63 2 to 5 TURBO High 62
12K 35 to 65 2 to 5 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:
Indoor side noise when blowing
Outdoor side noise when Compressor speed changed
Compressor Speed(rps)
706050403020
45
50
55
)
A(Bd
/
esioN
75
09K
12K
Indoor fan motor rotating speed
LowMiddleHighSupper High
25
30
35
40
45
)
A(Bd
/esioN
2.5 Noise Curve

Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
3.2 Outdoor Unit
143 80
45 45
Φ55 Φ55
845
542 173
180
275
130
Unit:mm
320 776
510
714257
286
540
6Technical Information

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