Gree GWH07AGA-K3NNA1B User manual

Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Models:
GWH07AGA-K3NNA1B
GWH09AGA-K3NNA1A
GWH09AGB-K3NNA1B
GWH12AGB-K3NNA1A
GWH12AGC-K3NNA1B
GWH18AGC-K3NNA1A
GWH18AGD-K3NNA1B
GWH24AGD-K3NNA1A
(Refrigerant R410A)

Service Manual
Table of Contents
Table of Contents
Part Ⅰ : Technical Information............................................. 1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet..................................................................................................3
2.2 Capacity Variation Ratio According to Temperature .................................11
2.3 Cooling and Heating Data Sheet in Rated Frequency............................... 11
2.4 Noise Curve..............................................................................................................12
3. Outline Dimension Diagram......................................................................13
3.1 Indoor Unit ................................................................................................................13
3.2 Outdoor Unit.............................................................................................................14
4. Refrigerant System Diagram....................................................................17
5. Electrical Part.........................................................................................................18
5.1 Wiring Diagram .......................................................................................................18
5.2 PCB Printed Diagram............................................................................................21
6. Function and Control......................................................................................23
6.1 Remote Controller Introduction ........................................................................23
6.2 Brief Description of Modes and Functions ...................................................26
Part Ⅱ: Installation and Maintenance .................................................31
7. Notes for Installation and Maintenance..........................................31
8. Installation................................................................................................................34
8.1 Installation Dimension Diagram........................................................................34
8.2 Installation Parts-checking ................................................................................36
8.3 Selection of Installation Location.....................................................................36
8.4 Electric Connection Requirement ....................................................................36
8.5 Installation of Indoor Unit....................................................................................36
8.6 Installation of Outdoor unit.................................................................................39

Service Manual
Table of Contents
8.7 Vacuum Pumping and Leak Detection............................................................40
8.8 Check after Installation and Test operation..................................................40
9. Maintenance............................................................................................................41
9.1 Error Code List........................................................................................................41
9.2 Procedure of Troubleshooting ..........................................................................43
9.3 Troubleshooting for Normal Malfunction ......................................................48
10. Exploded View and Parts List ..............................................................50
10.1 Indoor Unit..............................................................................................................50
10.2 Outdoor Unit ..........................................................................................................59
11. Removal Procedure.......................................................................................70
11.1 Removal Procedure of Indoor Unit ................................................................70
11.2 Removal Procedure of Outdoor Unit.............................................................75
Appendix:......................................................................................................................100
Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................100
Appendix 2: Conguration of Connection Pipe ...............................................100
Appendix 3: Pipe Expanding Method...................................................................101
Appendix 4: List of Resistance for Temperature Sensor..............................102

1
Technical Information
Service Manual
Outdoor Unit:
1. Summary
Part Ⅰ : Technical Information
Indoor Unit:
GWH07AGA-K3NNA1B/I
GWH09AGA-K3NNA1A/I
GWH09AGB-K3NNA1B/I
GWH12AGB-K3NNA1A/I
GWH12AGC-K3NNA1B/I
GWH18AGC-K3NNA1A/I
GWH18AGD-K3NNA1B/I
GWH24AGD-K3NNA1A/I
GWH07AGA-K3NNA1B/O
GWH09AGB-K3NNA1B/O
GWH12AGC-K3NNA1B/O
GWH09AGA-K3NNA1A/O
GWH12AGB-K3NNA1A/O

2Technical Information
Service Manual
Remote Controller:
YAW1F10(WiFi)
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1GWH07AGA-K3NNA1B CA385000300 GWH07AGA-K3NNA1B/I CA385N00300 GWH07AGA-K3NNA1B/O CA385W00300
YAW1F10
(WiFi)
2 CA385000301 CA385N00301
3GWH09AGA-K3NNA1A CA385001000 GWH09AGA-K3NNA1A/I CA385N01000 GWH09AGA-K3NNA1A/O CA385W01000
4 CA385001001 CA385N01001
5 GWH09AGB-K3NNA1B CA385000200 GWH09AGB-K3NNA1B/I CA385N00200 GWH09AGB-K3NNA1B/O CA385W00200
6GWH12AGB-K3NNA1A CA385001100 GWH12AGB-K3NNA1A/I CA385N01100 GWH12AGB-K3NNA1A/O CA385W01100
7 CA385001101 CA385N01101
8 GWH12AGC-K3NNA1B CA385000400 GWH12AGC-K3NNA1B/I CA385N00400 GWH12AGC-K3NNA1B/O CA385W00400
9GWH18AGC-K3NNA1A CA385000800 GWH18AGC-K3NNA1A/I CA385N00800 GWH18AGC-K3NNA1A/O CA385W00800
10 CA385000801 GWH18AGC-K3NNA1A/I CA385N00801
11 GWH18AGD-K3NNA1B CA385000100 GWH18AGD-K3NNA1B/I CA385N00100 GWH18AGD-K3NNA1B/O CA385W00100
12 GWH24AGD-K3NNA1A CA385000900 GWH24AGD-K3NNA1A/I CA385N00900 GWH24AGD-K3NNA1A/O CA385W00900
13 CA385000901 CA385N00901
GWH18AGC-K3NNA1A/O GWH18AGD-K3NNA1B/O
FANAUTO
OPER
Fan Swing
ModeOn/Off
Sleep Temp
Turbo
X-Fan Light
Timer I Feel
GWH24AGD-K3NNA1A/O

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH07AGA-K3NNA1B GWH09AGB-K3NNA1B
Product Code CA385000300
CA385000301 CA385000200
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 2250 2638
Heating Capacity W 2350 2784
Cooling Power Input W 700 821
Heating Power Input W 651 752
Cooling Current Input A 3.5 4
Heating Current Input A 3.2 3.5
Rated Input W 1050 1150
Rated Cooling Current A 5.5 6
Rated Heating Current A 4.7 5.6
Air Flow Volume(SS/H/MH/M/ML/L/SL/SM) m3/h 520/470/450/420/310/290/250 570/520/482/440/333/326/280
Dehumidifying Volume L/h 0.6 0.8
EER W/W 3.21 3.21
COP W/W 3.61 3.70
SEER W/W / /
HSPF W/W / /
Application Area m210-16 12-18
Indoor Unit
Model GWH07AGA-K3NNA1B/I GWH09AGB-K3NNA1B/I
Product Code CA385N00300
CA385N00301 CA385N00200
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ93×505 Φ93×580
Cooling Speed r/min 1300/1200/1150/1100
/900/850/750
1300/1200/1150/1100
/900/850/750
Heating Speed r/min 1200/1100/1050/1000
/950/900/800
1250/1150/1100/1050
/950/900/800
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.2 0.215
Fan Motor Capacitor μF 1 1
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7.94 Φ7.94
Evaporator Row-n Gap mm 1-1.2 1-1.2
Evaporator Coil Length (LXDXW) mm 508×19.05×254 583×19.05×264
Swing Motor Model MP24BA/MP24AK MP24BA/MP24AK
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:39/37/35/34/28/27/24
Heating:37/34/33/32/30/27/24
Cooling:40/37/36/34/30/27/24
Heating:39/35/33/32/30/27/24
Sound Power Level dB (A) Cooling:49/47/45/44/38/37/34
Heating:47/44/43/42/40/37/34
Cooling:50/47/46/44/40/37/34
Heating:49/45/43/42/40/37/34
Dimension (WXHXD) mm 704X260X185 779X260X185
Dimension of Carton Box (LXWXH) mm 748X316X247 823X316X247
Dimension of Package (LXWXH) mm 753X332X258 828X332X258
Net Weight kg 7.5 8
Gross Weight kg 8.7 9.5

4Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH07AGA-K3NNA1B/O GWH09AGB-K3NNA1B/O
Outdoor Unit Product Code CA385W00300 CA385W00200
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXA-A081T130A QXA-B102C130
Compressor Oil RB68EP/FVC68D/FV50S RB68EP/FV50S
Compressor Type Rotary Rotary
Compressor LRA. A 15 17
Compressor RLA A 3.25 4
Compressor Power Input W / 865
Compressor Overload Protector UP3-MC0 UP3- 00
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~43 18~43
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94 Φ7.94
Condenser Rows-n Gap mm 1-1.4 1-1.4
Condenser Coil Length (LXDXW) mm 658.3×19.05×396 655×19.05×396
Fan Motor Speed rpm 950 950
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.25 0.25
Fan Motor Capacitor μF 1.5 1.5
Outdoor Unit Air Flow Volume m3/h 1200 1200
Fan Type Axial-ow Axial-ow
Fan Diameter mm 320 320
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
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) 48 48
Sound Power Level (H/M/L) dB (A) 58 58
Dimension(WXHXD) mm 720X428X310 720X428X310
Dimension of Carton Box (LXWXH) mm 765X350X475 765X350X475
Dimension of Package(LXWXH) mm 768X353X490 768X353X490
Net Weight kg 23.4 25.5
Gross Weight kg 25.4 27.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.52 0.63
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe inch 1/4" 1/4"
Outer Diameter Gas Pipe inch 3/8" 3/8"
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model GWH09AGA-K3NNA1A GWH12AGB-K3NNA1A
Product Code CA385001000
CA385001001
CA385001100
CA385001101
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 2550 3250
Heating Capacity W 2650 3400
Cooling Power Input W 794 985
Heating Power Input W 734 941
Cooling Current Input A 3.7 4.62
Heating Current Input A 3.4 4.41
Rated Input W 1120 1250
Rated Cooling Current A 6.2 5.6
Rated Heating Current A 5.2 5.38
Air Flow Volume(SS/H/MH/M/ML/L/SL/SM) m3/h 520/470/450/420/310/290/250 590/520/482/440/402/348/333
Dehumidifying Volume L/h 0.8 1.4
EER W/W 3.21 3.3
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m212-18 16-24
Indoor Unit
Model GWH09AGA-K3NNA1A/I GWH12AGB-K3NNA1A/I
Product Code CA385N01000
CA385N01001
CA385N01100
CA385N01101
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ93×505 Φ93×580
Cooling Speed r/min 1300/1200/1150/1100
/900/850/750
1350/1200/1150/1100
/1050/950/900
Heating Speed r/min 1200/1100/1050/1000
/950/900/800
1350/1200/1150/1100
/1000/900/850
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.2 0.22
Fan Motor Capacitor μF 1 1
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7.94 Φ7.94
Evaporator Row-n Gap mm 1-1.2 1-1.2
Evaporator Coil Length (LXDXW) mm 508×19.05×254 583×19.05×264
Swing Motor Model MP24BA/MP24AK MP24BA/MP24AK
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:40/37/36/34/29/27/24
Heating:37/34/33/32/30/27/24
Cooling:41/37/36/34/33/30/28
Heating:41/37/36/34/32/28/27
Sound Power Level dB (A) Cooling:50/47/46/44/39/37/34
Heating:47/44/43/42/40/37/34
Cooling:51/47/46/44/43/40/38
Heating:51/47/46/44/42/38/37
Dimension (WXHXD) mm 704X260X185 779X260X185
Dimension of Carton Box (LXWXH) mm 748X316X247 823X316X247
Dimension of Package (LXWXH) mm 753X332X258 828X332X258
Net Weight kg 7.5 8.2
Gross Weight kg 8.7 9.7

6Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH09AGA-K3NNA1A/O GWH12AGB-K3NNA1A/O
Outdoor Unit Product Code CA385W01000 CA385W01100
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXA-M094T130 QXA-B120C150A
Compressor Oil RB68EP or equivalent RB68EP
Compressor Type Rotary Rotary
Compressor LRA. A 18 26
Compressor RLA A 3.6 4.4
Compressor Power Input W 773 970
Compressor Overload Protector UP3-MC1 INTERNAL (UP3-02)
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~43 18~43
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94 Φ7.94
Condenser Rows-n Gap mm 1-1.4 1-1.4
Condenser Coil Length (LXDXW) mm 658.3×19.05×396 697×19.05×506
Fan Motor Speed rpm 950 850
Fan Motor Power Output W 20 35
Fan Motor RLA A 0.25 0.33
Fan Motor Capacitor μF 1.5 2.5
Outdoor Unit Air Flow Volume m3/h 1200 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm 320 394.5
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
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) 49 50
Sound Power Level (H/M/L) dB (A) 59 60
Dimension(WXHXD) mm 720X428X310 782X540X320
Dimension of Carton Box (LXWXH) mm 765X350X475 820X355X580
Dimension of Package(LXWXH) mm 768X353X490 823X358X595
Net Weight kg 25 29.2
Gross Weight kg 27 31.7
Refrigerant R410A R410A
Refrigerant Charge kg 0.56 0.72
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe inch 1/4" 1/4"
Outer Diameter Gas Pipe inch 3/8" 1/2"
Max Distance Height m 10 10
Max Distance Length m 15 20
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model GWH12AGC-K3NNA1B GWH18AGC-K3NNA1A
Product Code CA385000400 CA385000800
CA385000801
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 3550 4800
Heating Capacity W 3700 5300
Cooling Power Input W 1076 1476
Heating Power Input W 1025 1468
Cooling Current Input A 5.04 6.42
Heating Current Input A 4.8 6.38
Rated Input W 1300 2150
Rated Cooling Current A 7.42 11.62
Rated Heating Current A 6.82 11.35
Air Flow Volume(SS/H/MH/M/ML/L/SL) m3/h 680/620/560/490/450/420/390 650/590/530/480/410/370/340
Dehumidifying Volume L/h 1.4 1.8
EER W/W 3.30 3.25
COP W/W 3.61 3.61
SEER W/W / /
HSPF W/W / /
Application Area m216-24 21-31
Indoor Unit
Model GWH12AGC-K3NNA1B/I GWH18AGC-K3NNA1A/I
Product Code CA385N00400 CA385N00800
CA385N00801
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ98×630 Φ98×630
Cooling Speed r/min 1300/1150/1100/1000
/950/850/800
1300/1250/1200/1150
/1100/1050/1000
Heating Speed r/min 1250/1100/1050/1000
/950/850/800
1300/1250/1200/1150
/1100/1050/900
Fan Motor Power Output W 25 20
Fan Motor RLA A 0.3 0.3
Fan Motor Capacitor μF 1.5 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Φ7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 634×22.8×304.8 634×25.4×304.8
Swing Motor Model MP24BA/MP24AK MP24BA/MP24AK
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:42/38/37/34/33/30/28
Heating:41/37/36/34/32/28/27
Cooling:40/39/38/36/35/34/32
Heating:40/39/38/37/36/35/30
Sound Power Level dB (A) Cooling:52/48/47/44/43/40/38
Heating:51/47/46/44/42/38/37
Cooling:50/49/48/46/45/44/42
Heating:50/49/48/47/46/45/40
Dimension (WXHXD) mm 825X293X196 825X293X196
Dimension of Carton Box (LXWXH) mm 870X349X257 870X349X257
Dimension of Package (LXWXH) mm 875X365X268 875X365X268
Net Weight kg 10 10.3
Gross Weight kg 12 11.9

8Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH12AGC-K3NNA1B/O GWH18AGC-K3NNA1A/O
Outdoor Unit Product Code CA385W00400 CA385W00800
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO. LTD.
Compressor Model QXA-B129E130 QXA-D19F030
Compressor Oil FV50S/RB68EP/FVC 68D or
equivalent ATMOS-RB68EP or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 26 38
Compressor RLA A 4.7 6.85
Compressor Power Input W 1048 1540
Compressor Overload Protector Internal(UP3-B2) UP3-A6
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~43 18~43
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94 Φ7.94
Condenser Rows-n Gap mm 1-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 697×19.05×506 735×38.1×508
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 35 35
Fan Motor RLA A 0.33 0.33
Fan Motor Capacitor μF 2.5 2.5
Outdoor Unit Air Flow Volume m3/h 1600 1800
Fan Type Axial-ow Axial-ow
Fan Diameter mm 394.5 395
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
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 53
Sound Power Level (H/M/L) dB (A) 60 63
Dimension(WXHXD) mm 782X540X320 848X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580 878X360X580
Dimension of Package(LXWXH) mm 823X358X595 881X363X595
Net Weight kg 29.5 38
Gross Weight kg 32 40.5
Refrigerant R410A R410A
Refrigerant Charge kg 0.74 1.26
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 15
Outer Diameter Liquid Pipe inch 1/4" 1/4"
Outer Diameter Gas Pipe inch 1/2" 1/2"
Max Distance Height m 10 10
Max Distance Length m 20 25
Note: The connection pipe applies metric diameter.

9
Technical Information
Service Manual
Model GWH18AGD-K3NNA1B GWH24AGD-K3NNA1A
Product Code CA385000100 CA385000900 CA385000901
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Indoor Indoor
Cooling Capacity W 5275 6200
Heating Capacity W 5860 6700
Cooling Power Input W 1575 1907
Heating Power Input W 1583 1856
Cooling Current Input A 7.6 8.29
Heating Current Input A 7.6 8.07
Rated Input W 2100 2400
Rated Cooling Current A 12 13
Rated Heating Current A 12.5 12
Air Flow Volume(SS/H/MH/M/ML/L/SL) m3/h 940/840/740/690/640/590/540 950/840/740/690/640/590/540
Dehumidifying Volume L/h 1.8 1.8
EER W/W 3.35 3.25
COP W/W 3.70 3.61
SEER W/W / /
HSPF W/W / /
Application Area m223-34 23-34
Indoor Unit
Model GWH18AGD-K3NNA1B/I GWH24AGD-K3NNA1A/I
Product Code CA385N00100 CA385N00900 CA385N00901
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ106×739 Φ106×739
Cooling Speed r/min 1200/1100/1000/950
/900/850/800
1300/1200/1100/1000
/950/850/800
Heating Speed r/min 1150/1000/950/900
/850/800/750
1250/1150/1100/1050
/950/850/800
Fan Motor Power Output W 35 35
Fan Motor RLA A 0.45 0.35
Fan Motor Capacitor μF 3 3
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5 Φ5
Evaporator Row-n Gap mm 2-1.4 2-1.3
Evaporator Coil Length (LXDXW) mm 745×22.8×342.9 745×22.8×304.8
Swing Motor Model MP24BA/MP24AK MP24AK/MP24BA
Swing Motor Power Output W 1.5/1.5 1.5/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:43/41/39/36/35/33/32
Heating:43/38/37/35/33/31/30
Cooling:45/42/40/37/35/33/32
Heating:47/44/42/40/38/33/32
Sound Power Level dB (A) Cooling:53/51/49/46/45/43/42
Heating:53/48/47/45/43/41/40
Cooling:55/52/50/47/45/43/42
Heating:57/54/52/50/48/43/42
Dimension (WXHXD) mm 982X311X221 982X311X221
Dimension of Carton Box (LXWXH) mm 1039X377X287 1039X377X287
Dimension of Package (LXWXH) mm 1044x385X297 1044X385X297
Net Weight kg 13.7 13.7
Gross Weight kg 16 16

10 Technical Information
Service Manual
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH18AGD-K3NNA1B/O GWH24AGD-K3NNA1A/O
Outdoor Unit Product Code CA385W00100 CA385W00900
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXA-D20F050A QXA-E232H050
Compressor Oil ATMOS-RB68EP or equivalent RB68EP or FVC68D or FV50S
or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 44 48
Compressor RLA A 7.5 8.6
Compressor Power Input W 1630 1865
Compressor Overload Protector Internal(UP3-A7) UP3-09
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature Range ºC 18~43 18~43
Heating Operation Ambient Temperature Range ºC -15~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ5
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 704.5×44×550 845×24.8×616
Fan Motor Speed rpm 790 780
Fan Motor Power Output W 40 50
Fan Motor RLA A 0.4 0.45
Fan Motor Capacitor μF 3 3
Outdoor Unit Air Flow Volume m3/h 2400 2800
Fan Type Axial-ow Axial-ow
Fan Diameter mm 444.8 480
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
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) 52 54
Sound Power Level (H/M/L) dB (A) 62 64
Dimension(WXHXD) mm 899X596X378 912X646X373
Dimension of Carton Box (LXWXH) mm 945X417X630 960X408X680
Dimension of Package(LXWXH) mm 948X420X645 963X411X695
Net Weight kg 43 46.5
Gross Weight kg 46 49.5
Refrigerant R410A R410A
Refrigerant Charge kg 1.2 1.1
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe inch 1/4" 1/4"
Outer Diameter Gas Pipe inch 1/2" 1/2"
Max Distance Height m 10 10
Max Distance Length m 25 25
Note: The connection pipe applies metric diameter.

11
Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
Cooling Heatling
Outdoor temp.( °C )
Capacity ratio(%)
Capacity ratio(%)
20
40
60
80
100
15
120
702-5-7
24
0
-10-1
55
01
Outdoor Temp.(°C)
32 33 34 35 36 37 38 39 43
40 41 42
100
95
105
90
85
80
75
70
65
60
55
50
Condition Cooling
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Indoor air flow: Super High
Pipe length:
5m
Condition Heatin g
Indoor:DB20
°C
/WB15°C
2.3 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(°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
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 7/9K 0.8 to 1.0 in:8~11
out:11~14
in:75~85
out:37~43 Super High High
27/19 35/24 12K 0.8 to 1.1 in:10~14
out:11~14
in:69~74
out:38~45 Super High High
27/19 35/24 18K 0.8 to 1.0 in:8~11
out:11~14
in:75~85
out:37~43 Super High High
27/19 35/24 24K 0.9 to 1.1 in:8~12
out:11~14
in:75~85
out:37~43 Super High High
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
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 7/9K 2.4 to 2.6 in:55~65
out:30~37
in:1~3
out:2~5 Super High High
20/- 7/6 12K 2.4 to 2.6 in:55~65
out:25~32
in:1~3
out:2~5 Super High High
20/- 7/6 18K 2.2 to 2.4 in:75~85
out:37~43
in:1~3
out:2~5 Super High High
20/- 7/6 24K 2.2 to 2.4 in:70~85
out:37~43
in:1~3
out:2~5 Super High High

12 Technical Information
Service Manual
2.4 Noise Curve
Indoor side noise when blowing
Indoor fan motor rotating speed
Noice/dB(A)
20
25
30
35
40
45
SS HMHM ML LSL
Heating
HeatingAGD Heating
AGB Heating
AGA Heating
Indoor side noise when blowing
Indoor fan motor rotating speed
Noice/dB(A)
20
25
30
35
40
45
SS HMH MMLLSL
Indoor side noise when blowing
Indoor fan motor rotating speed
Noice/dB(A)
20
25
30
35
40
45
SS HMHM ML
LS
L
Indoor side noise when blowing
Indoor fan motor rotating speed
Noice/dB(A)
20
25
30
35
40
45
SS HMHM ML LSL
Cooling
AGC Cooling
AGB Cooling
AGD Cooling
AGB Cooling
AGA Cooling
AGC Heating
Heating
Indoor side noise when blowing
Indoor fan motor rotating speed
Noice/dB(A)
25
30
35
40
45
50
SS HMHM ML LSL
Cooling
AGC Cooling
7K
12K
9K
18K
24K

13
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
D
H
W
Unit:mm
55
40
178 89
40
75
155
42
Φ55
W3W2
W1
W3W2W1
W3W2W1
42
43
75
116
Φ55
Model W H D W1 W2 W3
AGA 704 260 185 93 462 149
AGB 779 260 185 133.5 462 183.5
AGC 825 293 196 113 542 170
AGD 982 311 221 122.5 707.5 152
AGA/AGB
AGC
AGD
Notice: Pictures are for demo size only.

14 Technical Information
Service Manual
3.2 Outdoor Unit
286
428
255
660 310
440
720
Unit:mm
712
782
510
320
257
286
540
Unit: mm
7/9K
12K
Notice: Pictures are for demo size only.

15
Technical Information
Service Manual
18K
596
354
838
818
899
303
378
550
Unit:mm
Unit:mm
320
286
763 256
848
540
18
540
GWH18AGC-K3NNA1A/O
GWH18AGD-K3NNA1B/O

16 Technical Information
Service Manual
Unit: mm
309841
912
582
373
646
349
24K

17
Technical Information
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) 07/09K
Gas : 1/2" (12 mm) 12/18/24K
Indoor unit Outdoor unit
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
COOLING
Discharge
Suction
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Valve
Valve
Liquid pipe
side
Gas pipe
side
Liquid pipe
side
Gas pipe
side
Compressor
Accumlator
Compressor
Strainer
Strainer
Capillary
StrainerCapillary