Gree GWH09MA-K3DND3L User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH09MA-K3DNA3L
GWH09MA-K3DNA4L
GWH09MA-K3DNB7L
GWH09MA-K3DND3L
GWH09MA-K3DNC9L
GWH09MA-K3DNB3L
GWH12MA-K3DNA3L
GWH12MA-K3DNB3L
Models: GWH12MA-K3DNB7L
GWH12MA-K3DNC9L
GWH12MA-K3DND3L
(Refrigerant:R410A)

Service Manual
Table of Contents
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 ....................................................................................................................... 7
4. Refrigerant System Diagram ........................................................................ 8
5. Electrical Part............................................................................................................. 9
5.1 Wiring Diagram ................................................................................................................... 9
5.2 PCB Printed Diagram ........................................................................................................11
6. Function and Control ........................................................................................ 13
6.1 Remote Controller Introduction ........................................................................................ 13
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

Table of Contents
Service Manual
Table of Contents Table of Contents
9. Maintenance .................................................................................................................30
9.1 Malfunction Analysis ............................................................................................................30
9.2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ...........................................34
9.3 How to Check Simply the Main Part ....................................................................................43
10. Exploded View and Parts List ...................................................................56
10.1 Indoor Unit .........................................................................................................................56
10.2 Outdoor Unit ......................................................................................................................63
11. Removal Procedure ............................................................................................67
11.1 Removal Procedure of Indoor Unit ....................................................................................67
11.2 Removal Procedure of Outdoor Unit .................................................................................72
Appendix: .............................................................................................................................81
Appendix 1: Reference Sheet of Celsius and Fahrenheit .........................................................81
Appendix 2: Conguration of Connection Pipe ..........................................................................81
Appendix 3: Pipe Expanding Method ........................................................................................ 82
Appendix 4: List of Resistance for Temperature Sensor ...........................................................83

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit:
GWH09MA-K3DNA3L/I
GWH12MA-K3DNA3L/I
GWH09MA-K3DNB7L/I
GWH12MA-K3DNB7L/I
GWH12MA-K3DND3L/I
GWH09MA-K3DND3L/I
GWH09MA-K3DNB3L/I
GWH12MA-K3DNB3L/I
GWH12MA-K3DNC9L/I
GWH09MA-K3DNC9L/I
GWH09MA-K3DNA4L/I
Outdoor Unit:
GWH09MA-K3DNA3L/O GWH12MA-K3DNA3L/O
Remote Controller:
YX1F
ON/OFF MODE
FAN SWING
SLEEP TIMER
+
-
AUTO
COOL
DRY
FAN
HEAT
T-ON T-OFF SWING
SLEEP
LOCK
SPEED

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model
GWH09MA-K3DNA3L GWH09MA-K3DNA4L
GWH09MA-K3DNB7L GWH09MA-K3DND3L
GWH09MA-K3DNC9L GWH09MA-K3DNB3L
GWH12MA-K3DNA3L
GWH12MA-K3DNB7L GWH12MA-K3DNC9L
GWH12MA-K3DND3L GWH12MA-K3DNB3L
Product Code
CB171010400 CB161007300
CB164002600 CB405004100
CB145005700 CB163007000
CB171010300
CB164002700 CB145005600
CB405004000 CB163007100
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) W 2500(600~2800) 3200(600~3500)
Heating Capacity(Min~Max) W 2750(600~3000) 3400(600~3800)
Cooling Power Input(Min~Max) W 800(120~1300) 1020(120~1400)
Heating Power Input(Min~Max) W 780(120~1400) 995(120~1500)
Cooling Current Input A 3.6 4.5
Heating Current Input A 3.5 4.4
Rated Input W 1400 1500
Rated Current A 6.7 7.2
Air Flow Volume(SH/H/M/L/SL) m3/h 500/400/300/250/- 500/400/300/250/-
Dehumidifying Volume L/h 0.8 1.4
EER W/W 3.13 3.14
COP W/W 3.53 3.42
SEER 5.8 6.1
HSPF / /
Application Area m212-18 15-22
Indoor
Unit
Indoor Unit Model
GWH09MA-K3DNA3L/I GWH09MA-K3DNA4L/I
GWH09MA-K3DNB7L/I GWH09MA-K3DND3L/I
GWH09MA-K3DNC9L/I GWH09MA-K3DNB3L/I
GWH12MA-K3DNA3L/I
GWH12MA-K3DNB7L/I GWH12MA-K3DNC9L/I
GWH12MA-K3DND3L/I GWH12MA-K3DNB3L/I
Indoor Unit Product Code
CB171N10400 CB161N07300
CB164N02600 CB405N04100
CB145N05700 CB163N07000
CB171N10300
CB164N02700 CB145N05600
CB405N04000 CB163N07100
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ85X596 Φ85X596
Cooling Speed(SH/H/M/L/SL) r/min 1320/1100/920/730/- 1320/1100/920/730/-
Heating Speed(SH/H/M/L/SL) r/min 1350/1200/1100/1000/- 1350/1200/1100/1000/-
Fan Motor Power Output W 10 10
Fan Motor RLA A 0.15 0.15
Fan Motor Capacitor μF 1 1
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Φ7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil
Length(LXDXW) mm 592X25.4X266.7 592X25.4X266.7
Swing Motor Model MP24AA MP24AA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level
(SH/H/M/L/SL) dB (A) 38/34/31/28/- 39/34/31/28/-
Sound Power Level
(SH/H/M/L/SL) dB (A) 50/46/43/40/- 53/47/43/40/-
Dimension(WXHXD) mm 790X265X174 790X265X174
Dimension of Carton
Box(LXWXH) mm 870X248X355 870X248X355
Dimension of
Package(LXWXH) mm 873X251X370 873X251X370
Net Weight kg 9 9
Gross Weight kg 10.5 10.5

3
Technical Information
Service Manual
Outdoor
Unit
Model of Outdoor Unit GWH09MA-K3DNA3L/O GWH12MA-K3DNA3L/O
Product Code of Outdoor Unit CB171W10400 CB171W10300
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI GREE DAIKIN DEVICE
CO., LTD
Compressor Model QXA-A091zE190A 1GDY23AXD
Compressor Oil 68EP FVC50K
Compressor Type Rotary Rotary
L.R.A. A 16.5 16.5
Compressor RLA A 4.5 4
Compressor Power Input W 942 845
Overload Protector 1NT11L-6233 1GDY23AXD-05
Throttling Method Capillary Capillary
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 Φ7.94
Rows-n Gap mm 1-1.4 1-1.4
Coil Length (LXDXW) mm 692X19.05X506 731X19.05X550
Fan Motor Speed rpm 900/600 900/600
Output of Fan Motor W 30 30
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit m3/h 1600 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ438
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) 50/-/- 51/-/-
Sound Power Level (H/M/L) dB (A) 60/-/- 63/-/-
Dimension (WXHXD) mm 776X540X320 842X596X320
Dimension of Carton Box (LXWXH) mm 820X355X580 878X360X630
Dimension of Package (LXWXH) mm 823X358X595 881X363X645
Net Weight kg 27 31
Gross Weight kg 29.5 34
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 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 Φ12
Max Distance Height m 10 10
Max Distance Length m 15 20
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
11
10
9
8
7
6
5
4
3
2
1
0
220V
230V
240V
220V
230V
240V
Current (A)
Current (A)
Conditions
Indoor:DB27°C/WB19°C
Outdoor:DB35°C/WB24°C
Indoor air flow:Super High
Pipe length:5m
Conditions
Indoor:DB20°C/WB15°C
Outdoor:DB7°C/WB6°C
Indoor air flow:Super High
Pipe length:5m
Compressor speed (rps) Compressor speed (rps)
Cooling Heating
32 33 34 35 36 37 38 39 43
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Capacity ratio (%)
–15 –10 –5
110
100
90
80
70
60
50
40
0 5 7 10
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Capacity ratio (%)

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
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:
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
revolution (rps)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
27/19 35/24 09/12K 0.8 ~ 1.1 11 to 14 38 to 41 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
revolution (rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/15 7/6 09/12K 2.8 ~ 3.2 38 to 41 2 to 5 Super High High 66
2.5 Noise Curve
Indoor side noise
Outdoor side noise
Indoor fan motor rotating speed Compressor frequency/Hz
Low Middle High Supper High
Noise/dB(A)
Noise/dB(A)
70
60
40
30
35
25
50
40
30
0 20 40 60 80 100
20
09K 12K

6Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
174
790
71
40
76
40
605
37 148
Φ55 Φ55
265
265

7
Technical Information
Service Manual
714 257
776
510
320
540
286
320
540
297
842
320
596
257
763
3.2 Outdoor Unit
12K
09K
Unit:mm
Unit:mm