Gree GWH09MB-K3DNA2K User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH09MB-K3DNA2K
GWH09MB-K3DNA3K
GWH09MB-K3DNA4K
GWH09MB-K3DNA5K
GWH09MB-K3DNB3K
GWH09MB-K3DNC9K
GWH09MB-K3DNE1K
GWH09MB-K3DNC8K
GWH09MB-K3DNE3K
GWH09MB-K3DNC1K
GWH12MB-K3DNA2K
GWH12MB-K3DNA3K
GWH12MB-K3DNA4K
GWH12MB-K3DNA5K
GWH12MB-K3DNA8K
GWH12MB-K3DNB3K
GWH12MB-K3DNC9K
GWH12MB-K3DND3K
GWH12MB-K3DNE1K
GWH12MB-K3DNC8K
GWH12MB-K3DNE3K
GWH12MB-K3DNC1K
(Refrigerant R410A)
Model:

Service Manual
Table of contents
Table of Contents
Part Ⅰ: Technical Information............................................................................1
1. Summary...........................................................................................................................1
2. Specications...............................................................................................................4
2.1 Specication Sheet................................................................................................................4
2.2 Operation Characteristic Curve ...........................................................................................14
2.3 Capacity Variation Ratio According to Temperature ............................................................14
2.4 Cooling and Heating Data Sheet in Rated Frequency ........................................................15
2.5 Noise Curve.........................................................................................................................15
3. Outline Dimension Diagram............................................................................................16
3.1 Indoor Unit...........................................................................................................................16
3.2 Outdoor Unit ........................................................................................................................16
4. Refrigerant System Diagram.........................................................................18
5. Electrical Part..............................................................................................................19
5.1 Wiring Diagram....................................................................................................................19
5.2 PCB Printed Diagram..........................................................................................................22
6. Function and Control...........................................................................................24
6.1 Remote Controller Introduction ..........................................................................................24
6.2 Brief Description of Modes and Functions...........................................................................28
Part Ⅱ: Installation and Maintenance ......................................................34
7. Notes for Installation and Maintenance...............................................34
8. Installation.....................................................................................................................36
8.1 Installation Dimension Diagram...........................................................................................36
8.2 Installation Parts-checking .................................................................................................38
8.3 Selection of Installation Location.........................................................................................38
8.4 Electric Connection Requirement........................................................................................38
8.5 Installation of Indoor Unit.....................................................................................................38
8.6 Installation of Outdoor Unit..................................................................................................41
8.7 Vacuum Pumping and Leak Detection ................................................................................42
8.8 Check after Installation and Test Operation ........................................................................42

Service Manual
Table of contents Table of contents
9. Maintenance.................................................................................................................43
9.1 Error Code List....................................................................................................................43
9.2 Troubleshooting for Main Malfunction .................................................................................50
9.3 Troubleshooting for Normal Malfunction..............................................................................65
10. Exploded View and Parts’ List..................................................................67
10.1 Indoor Unit.........................................................................................................................67
10.2 Outdoor Unit ......................................................................................................................86
11. Removal Procedure............................................................................................94
11.1 Removal Procedure of Indoor Unit ....................................................................................94
11.2 Removal Procedure of Outdoor Unit .................................................................................99
Appendix:...........................................................................................................................104
Appendix 1: Reference Sheet of Celsius and Fahrenheit .......................................................104
Appendix 2: Conguration of Connection Pipe........................................................................104
Appendix 3: Pipe Expanding Method ......................................................................................105
Appendix 4: List of Resistance for Temperature Sensor .........................................................106

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWH09MB-K3DNA3K/I
GWH12MB-K3DNA3K/I
GWH09MB-K3DNA2K/I
GWH12MB-K3DNA2K/I
GWH09MB-K3DNC9K/I
GWH12MB-K3DNC9K/I
GWH09MB-K3DNE1K/I
GWH12MB-K3DNE1K/I
GWH12MB-K3DND3K/I
GWH09MB-K3DNA4K/I
GWH12MB-K3DNA4K/I
GWH09MB-K3DNA5K/I
GWH12MB-K3DNA5K/I
Part Ⅰ : Technical Information

2Technical Information
Service Manual
GWH09MB-K3DNB3K/I
GWH12MB-K3DNB3K/I
GWH09MB-K3DNC8K/I
GWH12MB-K3DNC8K/I
GWH09MB-K3DNE3K/I
GWH12MB-K3DNE3K/I
GWH09MB-K3DNC1K/I
GWH12MB-K3DNC1K/I
GWH12MB-K3DNA8K/I
Outdoor Unit:
GWH09MB-K3DNA3K/O(CB171W07600)
GWH09MB-K3DNA3K/O(LCLH)(CB171W07605)
GWH12MB-K3DNA3K/O(CB171W07700)
GWH09MB-K3DNA3K/O(CB171W07602)
GWH09MB-K3DNA3K/O(CB171W07604)
GWH12MB-K3DNA3K/O(CB171W07702)

3
Technical Information
Service Manual
Remote Controller:
YB1FA
ON OFF／MODE
FA N
CLOCK TIMER ON
X-FAN TEMP
TIMEROFF
TURBO SLEEP LIGH T
Model ProductCode IndoorUnit ProductCode OutdoorUnit ProductCode
GWH09MB-K3DNA2K CB181005700 GWH09MB-K3DNA2K/I CB181N05700 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNA3K CB171007600 GWH09MB-K3DNA3K/I CB171N07600 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNA4K CB161005902 GWH09MB-K3DNA4K/I CB161N05901 GWH09MB-K3DNA3K/O CB171W07602
GWH09MB-K3DNA4K CB161005901 GWH09MB-K3DNA4K/I CB161N05901 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNA5K CB162006700 GWH09MB-K3DNA5K/I CB162N06700 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNA5K CB162006702 GWH09MB-K3DNA5K/I CB162N06700 GWH09MB-K3DNA3K/O CB171W07602
GWH09MB-K3DNA5K(LCLH) CB162006704 GWH09MB-K3DNA5K/I CB162N06700 GWH09MB-K3DNA3K/O CB171W07604
GWH09MB-K3DNA5K(LCLH) CB162006705 GWH09MB-K3DNA5K/I CB162N06700 GWH09MB-K3DNA3K/O CB171W07605
GWH09MB-K3DNB3K CB163005501 GWH09MB-K3DNB3K/I CB163N05501 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNC9K CB145003600 GWH09MB-K3DNC9K/I CB145N03600 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNE1K CB143001300 GWH09MB-K3DNE1K/I CB143N01300 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNE3K CB404002001 GWH09MB-K3DNE3K/I CB404N02001 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNC8K CB192000200 GWH09MB-K3DNC8K/I CB192N00200 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNC8K CB192000201 GWH09MB-K3DNC8K/I CB192N00201 GWH09MB-K3DNA3K/O CB171W07600
GWH09MB-K3DNC1K CB139005202 GWH09MB-K3DNC1K/I CB139N05202 GWH09MB-K3DNA3K/O CB171W07600
GWH12MB-K3DNA2K CB181005800 GWH12MB-K3DNA2K/I CB181N05800 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNA3K CB171007700 GWH12MB-K3DNA3K/I CB171N07700 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNA4K CB161006001 GWH12MB-K3DNA4K/I CB161N06001 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNA4K CB161006002 GWH12MB-K3DNA4K/I CB161N06001 GWH12MB-K3DNA3K/O CB171W07702
GWH12MB-K3DNA5K CB162006800 GWH12MB-K3DNA5K/I CB162N06800 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNA5K CB162006802 GWH12MB-K3DNA5K/I CB162N06800 GWH12MB-K3DNA3K/O CB171W07702
GWH12MB-K3DNB3K CB163005601 GWH12MB-K3DNB3K/I CB163N05601 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNC9K CB145003700 GWH12MB-K3DNC9K/I CB145N03700 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DND3K CB405002901 GWH12MB-K3DND3K/I CB405N02901 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNE1K CB143001400 GWH12MB-K3DNE1K/I CB143N01400 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNE3K CB404002101 GWH12MB-K3DNE3K/I CB404N02101 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNC8K CB192000300 GWH12MB-K3DNC8K/I CB192N00300 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNC8K CB192000300 GWH12MB-K3DNC8K/I CB192N00301 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNA8K CB173005400 GWH12MB-K3DNA8K/I CB173N05400 GWH12MB-K3DNA3K/O CB171W07700
GWH12MB-K3DNC1K CB139005301 GWH12MB-K3DNC1K/I CB139N05301 GWH12MB-K3DNA3K/O CB171W07700
Model list:

4Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH09MB-K3DNA4K GWH09MB-K3DNA5K
Product Code CB161005902 CB162006702
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity (Min~Max) W 2700(600~3200) 2700(600~3200)
Heating Capacity (Min~Max) W 2800(800~3600) 2800(800~3600)
Cooling Power Input (Min~Max) W 870(185~1300) 870(185~1300)
Heating Power Input (Min~Max) W 900(220~1400) 900(220~1400)
Cooling Power Current A 3.8 3.8
Heating Power Current A 3.92 3.92
Rated Input W 1400 1400
Rated Current A6.69 6.69
Air Flow Volume(SH/H/M/L/SL) m3/h 600/500/400/300/- 600/500/400/300/-
Dehumidifying Volume L/h 0.8 0.8
EER W/W 3.10 3.10
COP W/W 3.11 3.11
SEER W/W 5.6 5.6
HSPF W/W 3.8 3.8
Application Area m212-18 12-18
Indoor
Unit
Model of Indoor Unit GWH09MB-K3DNA4K/I
GWH09MB-K3DNA5K/I GWH09MB-K3DNA4K/I GWH09MB-K3DNA5K/I
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1260/1050/900/690/- 1260/1050/900/690/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1320/1200/1000/910/- 1320/1200/1000/910/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.1 0.1
Fan Motor Capacitor μF 1.0 1.0
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 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) 41/39/34/28/- 41/39/34/28/-
Sound Power Level (SH/H/M/L/SL) dB (A) 54/50/45/40/- 54/50/45/40/-
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
Gross Weight kg 12 12

5
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-K3DNA3K/O
Product Code of Outdoor Unit CB171W07602
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A
Compressor Oil FVC 68EP
Compressor Type Rotary
L.R.A. A 16.5
Compressor RLA A 4.9
Compressor Power Input W 950
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (Cooling) ºC -7~43
Ambient temp (Heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 710X19.05X508
Fan Motor Speed rpm 900/650
Output of Fan Motor W 30
Fan Motor RLA A 0.15
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 63/-/-
Dimension (WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package (LXWXH) mm 851X363X595
Net Weight kg 28.0
Gross Weight kg 32.0
Refrigerant R410A
Refrigerant Charge kg 0.7
Connectio
n Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Model GWH09MB-K3DNA5K(LCLH) GWH09MB-K3DNA5K(LCLH)
Product Code CB162006704 CB162006705
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity (Min~Max) W 2700(600~3200) 2700(600~3200)
Heating Capacity (Min~Max) W 2800(800~3600) 2800(800~3600)
Cooling Power Input (Min~Max) W 870(185~1300) 870(185~1300)
Heating Power Input (Min~Max) W 900(220~1400) 900(220~1400)
Cooling Power Current A 3.8 3.8
Heating Power Current A 3.92 3.92
Rated Input W 1400 1400
Rated Current A 6.69 6.69
Air Flow Volume(SH/H/M/L/SL) m3/h 600/500/400/300/- 600/500/400/300/-
Dehumidifying Volume L/h 0.8 0.8
EER W/W 3.10 3.10
COP W/W 3.11 3.11
SEER W/W 5.6 5.6
HSPF W/W 3.8 3.8
Application Area m212-18 12-18
Indoor
Unit
Model of Indoor Unit GWH09MB-K3DNA5K/I GWH09MB-K3DNA5K/I
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) mm Φ92X645 Φ92X645
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1260/1050/900/690/- 1260/1050/900/690/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1320/1200/1000/910/- 1320/1200/1000/910/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.1 0.1
Fan Motor Capacitor μF 1.0 1.0
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 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) 41/39/34/28/- 41/39/34/28/-
Sound Power Level (SH/H/M/L/SL) dB (A) 54/50/45/40/- 54/50/45/40/-
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
Gross Weight kg 12 12

7
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-K3DNA3K/O(LCLH) GWH09MB-K3DNA3K/O(LCLH)
Product Code of Outdoor Unit CB171W07604 CB171W07605
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 -7~43 -7~43
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 1-1.4
Coil Length (LXDXW) mm 710X19.05X508 710X19.05X508
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/-/- 51/-/-
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 28.0
Gross Weight kg 32.0 32.0
Refrigerant R410A R410A
Refrigerant Charge kg 0.7 0.7
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.

8Technical Information
Service Manual
Model
1.GWH09MB-K3DNA2K, 2.GWH09MB-K3DNA3K
3.GWH09MB-K3DNB3K, 4.GWH09MB-K3DNC9K
5.GWH09MB-K3DNE1K, 6.GWH09MB-K3DNA5K
7.GWH09MB-K3DNA4K, 8.GWH09MB-K3DNC8K
9.GWH09MB-K3DNE3K,10.GWH09MB-K3DNC1K
Product Code
1.CB181005700, 2.CB171007600
3.CB163005501, 4.CB145003600
5.CB143001300, 6.CB162006700
7.CB161005901, 8.CB192000200 CB192000201
9.CB404002001, 10.CB139005202
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity (Min~Max) W 2700(600~3200)
Heating Capacity (Min~Max) W 2800(800~3600)
Cooling Power Input (Min~Max) W 870(185~1300)
Heating Power Input (Min~Max) W 900(220~1400)
Cooling Power Current A 3.8
Heating Power Current A 3.92
Rated Input W 1400
Rated Current A 6.69
Air Flow Volume(SH/H/M/L/SL) m3/h 600/500/400/300/-
Dehumidifying Volume L/h 0.8
EER W/W 3.10
COP W/W 3.11
SEER W/W 5.6
HSPF W/W 3.8
Application Area m212-18
Indoor
Unit
Model of Indoor Unit
1.GWH09MB-K3DNA2K/I, 2.GWH09MB-K3DNA3K/I
3.GWH09MB-K3DNB3K/I, 4.GWH09MB-K3DNC9K/I
5.GWH09MB-K3DNE1K/I, 6.GWH09MB-K3DNA5K/I
7.GWH09MB-K3DNA4K/I, 8.GWH09MB-K3DNC8K/I
9.GWH09MB-K3DNE3K/I,10.GWH09MB-K3DNC1K/I
Fan Type Cross-ow
Diameter Length(DXL) mm Φ92X645
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1260/1050/900/690/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1320/1200/1000/910/-
Output of Fan Motor W 20
Fan Motor RLA A 0.1
Fan Motor Capacitor μF 1.0
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 636X25.4X267
Swing Motor Model MP24AA
Output of Swing Motor W 2
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 41/39/34/28/-
Sound Power Level (SH/H/M/L/SL) dB (A) 54/50/45/40/-
Dimension (WXHXD) mm 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355
Dimension of Package (LXWXH) mm 918X258X370
Net Weight kg 9
Gross Weight kg 12

9
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-K3DNA3K/O
Product Code of Outdoor Unit CB171W07600
Compressor Manufacturer/Trademark ZHUHAI LANDACOMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A
Compressor Oil FVC 68EP
Compressor Type Rotary
L.R.A. A 16.5
Compressor RLA A 4.9
Compressor Power Input W 950
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (Cooling) ºC -7~43
Ambient temp (Heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 710X19.05X508
Fan Motor Speed rpm 900/660
Output of Fan Motor W 30
Fan Motor RLA A 0.15
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 63/-/-
Dimension (WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package (LXWXH) mm 851X363X595
Net Weight kg 28.0
Gross Weight kg 32.0
Refrigerant R410A
Refrigerant Charge kg 0.7
Connectio
n Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

10 Technical Information
Service Manual
Model
1.GWH12MB-K3DNA2K, 2.GWH12MB-K3DNA3K
3.GWH12MB-K3DNB3K, 4.GWH12MB-K3DNC9K
5.GWH12MB-K3DND3K, 6.GWH12MB-K3DNE1K
7.GWH12MB-K3DNA5K, 8.GWH12MB-K3DNA4K
9.GWH12MB-K3DNC8K 10.GWH12MB-K3DNE3K
11.GWH12MB-K3DNA8K, 12.GWH12MB-K3DNC1K
Product Code
1.CB181005800, 2.CB171007700 3.CB163005601, 4.CB145003700
5.CB405002901, 6.CB143001400 7.CB162006800, 8.CB161006001
9.CB192000300 CB192000301 10.CB404002101 11.CB173005400
12.CB139005301
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity (Min~Max) W 3500(600~3900)
Heating Capacity (Min~Max) W 4000(880~4400)
Cooling Power Input (Min~Max) W 1170(185~1400)
Heating Power Input (Min~Max) W 1200(250~1550)
Cooling Power Current A 5.1
Heating Power Current A 5.22
Rated Input W 1600
Rated Current A7.8
Air Flow Volume(SH/H/M/L/SL) m3/h 580/500/400/300/-
Dehumidifying Volume L/h 1.2
EER W/W 2.99
COP W/W 3.33
SEER W/W 6.1
HSPF W/W 4.0
Application Area m216-24
Indoor
Unit
Model of Indoor Unit
1.GWH12MB-K3DNA2K/I, 2.GWH12MB-K3DNA3K/I
3.GWH12MB-K3DNB3K/I, 4.GWH12MB-K3DNC9K/I
5.GWH12MB-K3DND3K/I, 6.GWH12MB-K3DNE1K/I
7.GWH12MB-K3DNA5K/I, 8.GWH12MB-K3DNA4K/I
9.GWH12MB-K3DNC8K/I 10.GWH12MB-K3DNE3K/I
11.GWH12MB-K3DNA8K/I,12.GWH12MB-K3DNC1K/I
Fan Type Cross-ow
Diameter Length(DXL) mm Φ92X645
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1290/1070/900/690/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1280/1050/980/920/-
Output of Fan Motor W 20
Fan Motor RLA A 0.1
Fan Motor Capacitor μF 1.0
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 636X25.4X267
Swing Motor Model MP24AA
Output of Swing Motor W 2
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/40/35/30/-
Sound Power Level (SH/H/M/L/SL) dB (A) 54/51/45/42/-
Dimension (WXHXD) mm 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355
Dimension of Package (LXWXH) mm 918X258X370
Net Weight kg 9
Gross Weight kg 12

11
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 GWH12MB-K3DNA3K/O
Product Code of Outdoor Unit CB171W07700
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A
Compressor Oil FVC 68EP
Compressor Type Rotary
L.R.A. A 16.5
Compressor RLA A 4.9
Compressor Power Input W 950
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (Cooling) ºC -7~43
Ambient temp (Heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 695X38.1X506
Fan Motor Speed rpm 900/660
Output of Fan Motor W 30
Fan Motor RLA A 0.15
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 53/-/-
Sound Power Level (H/M/L) dB (A) 63/-/-
Dimension (WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package (LXWXH) mm 851X363X595
Net Weight kg 29.0
Gross Weight kg 33.0
Refrigerant R410A
Refrigerant Charge kg 0.85
Connectio
n Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

12 Technical Information
Service Manual
Model GWH12MB-K3DNA4K
GWH12MB-K3DNA5K
Product Code CB161006002
CB162006802
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity (Min~Max) W 3500(600~3900)
Heating Capacity (Min~Max) W 4000(880~4400)
Cooling Power Input (Min~Max) W 1170(185~1400)
Heating Power Input (Min~Max) W 1200(250~1550)
Cooling Power Current A 5.2
Heating Power Current A 5.3
Rated Input W 1600
Rated Current A 7.8
Air Flow Volume(SH/H/M/L/SL) m3/h 580/500/400/300/-
Dehumidifying Volume L/h 1.2
EER W/W 2.99
COP W/W 3.33
SEER W/W 6.1
HSPF W/W 4.0
Application Area m216-24
Indoor
Unit
Model of Indoor Unit GWH12MB-K3DNA4K/I
GWH12MB-K3DNA5K/I
Fan Type Cross-ow
Diameter Length(DXL) mm Φ92X645
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1290/1070/900/690/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1280/1050/980/920/-
Output of Fan Motor W 20
Fan Motor RLA A 0.1
Fan Motor Capacitor μF 1.0
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 636X25.4X267
Swing Motor Model MP24AA
Output of Swing Motor W 2
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/40/35/30/-
Sound Power Level (SH/H/M/L/SL) dB (A) 54/51/45/42/-
Dimension (WXHXD) mm 845X275X180
Dimension of Carton Box (LXWXH) mm 915X255X355
Dimension of Package (LXWXH) mm 918X258X370
Net Weight kg 9
Gross Weight kg 12

13
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 GWH12MB-K3DNA3K/O
Product Code of Outdoor Unit CB171W07702
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXA-A091zE190A
Compressor Oil FVC 68EP
Compressor Type Rotary
L.R.A. A 16.5
Compressor RLA A 4.9
Compressor Power Input W 950
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Operation temp ºC 16~30
Ambient temp (Cooling) ºC -7~43
Ambient temp (Heating) ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 695X38.1X506
Fan Motor Speed rpm 900/650
Output of Fan Motor W 30
Fan Motor RLA A 0.15
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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) 53/-/-
Sound Power Level (H/M/L) dB (A) 63/-/-
Dimension (WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 848X360X580
Dimension of Package (LXWXH) mm 851X363X595
Net Weight kg 29.0
Gross Weight kg 33.0
Refrigerant R410A
Refrigerant Charge kg 0.85
Connectio
n Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

14 Technical 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
09K
12K
-7 -5 0510
Condition
Indoor:DB20
Indoor air flow:
Turbo
Pipe length:5m
°C °C °C
°C °C °C

15
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
Noise/dB(A)
75
09K
12K
Indoor fan motor rotating speed
LowMiddleHighSupper High
25
30
35
40
45
Noise/dB(A)
2.5 Noise Curve

16 Technical Information
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
GWH09MB-K3DNA3K/O(CB171W07600) GWH09MB-K3DNA3K/O(CB171W07605) GWH12MB-K3DNA3K/O(CB171W07700)

17
Technical Information
Service Manual
Unit:mm
320 776
510
714257
286
540
GWH09MB-K3DNA3K/O(CB171W07602) GWH09MB-K3DNA3K/O(CB171W07604) GWH12MB-K3DNA3K/O(CB171W07702)