Gree Dettson LOMO 19 User manual

Change for life
GREE ELECTRIC APPLIANCES, INC.
LOMO 19 Installation Manual
Single Zone Ductless
Heat Pump

Service Manual
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 ........................... 15
2.3 Cooling and Heating Data Sheet in Rated Frequency ......................... 16
3. Outline Dimension Diagram................................. 17
3.1 Indoor Unit ............................................................................................... 17
3.2 Outdoor Unit ............................................................................................ 18
4. Refrigerant System Diagram ............................... 20
5. Electrical Part ............................................................. 22
5.1 Wiring Diagram........................................................................................ 22
5.2 PCB Printed Diagram.............................................................................. 26
6. Function and Control .............................................. 32
6.1 Remote Controller Introduction............................................................. 32
6.2 GREE+ App Operation Manual............................................................... 37
6.3 Ewpe Smart App Operation Manual ...................................................... 38
6.4 Brief Description of Modes and Functions........................................... 39
Part II : Installation and Maintenance .................. 47
7. Notes for Installation and Maintenance.......... 47
8. Installation ................................................................... 50
8.1 Installation Dimension Diagram ............................................................ 50
8.2 Installation Parts-checking ................................................................... 52
8.3 Selection of Installation Location.......................................................... 52
8.4 Electric Connection Requirement ......................................................... 52
8.5 Installation of Indoor Unit....................................................................... 52
Table of Contents

Service Manual
Table of Contents
8.6 Installation of Outdoor unit .................................................................... 54
8.7 Test and operation .................................................................................. 56
8.8 Leakage Detection .................................................................................. 56
8.9 Check after Installation and Test operation.......................................... 56
9. Maintenance................................................................ 57
9.1 Error Code List ........................................................................................ 57
9.2 Procedure of Troubleshooting............................................................... 63
9.3 Troubleshooting for Normal Malfunction.............................................. 80
10. Exploded View and Parts List........................... 82
10.1 Indoor Unit ............................................................................................. 82
10.2 Outdoor Unit .......................................................................................... 88
11. Removal Procedure ............................................... 94
11.1 Removal Procedure of Indoor Unit ...................................................... 94
11.2 Removal Procedure of Outdoor Unit ................................................... 99
Appendix:........................................................................ 112
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................... 112
Appendix 2: Conguration of Connection Pipe ....................................... 112
Appendix 3: Pipe Expanding Method........................................................ 113
Appendix 4: List of Resistance for Temperature Sensor ........................ 114

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
A1 Panel: A3 Panel:
GWC24QEXF-D3DNC4C/O
GWH24QEXF-D3DNC4C/O
GWC18ATDXD-D3DNA1A/O
GWH18ATDXD-D3DNA1A/O
Outdoor Unit:
GWC09ATCXB-D3DNA1A/O GWH09ATCXB-D3DNA1A/O
GWC09ATCXB-A3DNA1A/O GWH09ATCXB-A3DNA1A/O
GWC12ATCXB-D3DNA1C/O GWH12ATCXB-D3DNA1C/O
GWH12ATCXB-A3DNA1C/O GWC12ATCXB-A3DNA1C/O
Remote Controller:
YAP1F7F(WiFi)
TURBO
FAN
MODE
ON/OFF
I FEEL T-ON T-OFF
TEMP
CLOCK
LIGHT
WiFi
SLEEP

2Technical Information
Service Manual
Model list:
No. Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
1 GWC09ATCXB-D3DNA1A CB574001000 GWC09ATCXB-D3DNA1A/I CB574N01000 GWC09ATCXB-D3DNA1A/O CB574W01000
2 GWH09ATCXB-D3DNA1A CB574000900 GWH09ATCXB-D3DNA1A/I CB574N00900 GWH09ATCXB-D3DNA1A/O CB574W00900
3 GWC09ATCXB-A3DNA1A CB574001700 GWC09ATCXB-A3DNA1A/I CB574N01700 GWC09ATCXB-A3DNA1A/O CB574W01700
4 GWH09ATCXB-A3DNA1A CB574001600 GWH09ATCXB-A3DNA1A/I CB574N01600 GWH09ATCXB-A3DNA1A/O CB574W01600
5 GWH09ATCXB-A3DNA3A CB590000300 GWH09ATCXB-A3DNA3A/I CB590N00300
6 GWC12ATCXB-D3DNA1C CB574001300 GWC12ATCXB-D3DNA1C/I CB574N01300 GWC12ATCXB-D3DNA1C/O CB574W01300
7 GWH12ATCXB-D3DNA1C CB574001500 GWH12ATCXB-D3DNA1C/I CB574N01500 GWH12ATCXB-D3DNA1C/O CB574W01500
8 GWH12ATCXB-A3DNA1C CB574001400 GWH12ATCXB-A3DNA1C/I CB574N01400 GWH12ATCXB-A3DNA1C/O CB574W01400
9 GWH12ATCXB-A3DNA3C CB590000400 GWH12ATCXB-A3DNA3C/I CB590N00400
10 GWC12ATCXB-A3DNA1C CB574001200 GWC12ATCXB-A3DNA1C/I CB574N01200 GWC12ATCXB-A3DNA1C/O CB574W01200
11 GWC18ATDXD-D3DNA1A CB574003300 GWC18ATDXD-D3DNA1A/I CB574N03300 GWC18ATDXD-D3DNA1A/O CB574W03300
12 GWH18ATDXD-D3DNA1A CB574003200 GWH18ATDXD-D3DNA1A/I CB574N03200 GWH18ATDXD-D3DNA1A/O CB574W03200
13 GWC24ATEXF-D3DNA1E CB574002400 GWC24ATEXF-D3DNA1E/I CB574N02400 GWC24QEXF-D3DNC4C/O CB444W15800
14 GWH24ATEXF-D3DNA1E CB574002500 GWH24ATEXF-D3DNA1E/I CB574N02500 GWH24QEXF-D3DNC4C/O CB444W15900

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWC24ATEXF-D3DNA1E GWH24ATEXF-D3DNA1E
Product Code CB574002400 CB574002500
Power
Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 22000 22000
Heating Capacity Btu/h / 24000
Cooling Power Input W 1896 1896
Heating Power Input W / 2051
Cooling Current A 8.5 8.5
Heating Current A / 9.5
Rated Input W 2400 2400
Rated Current A 12 12
EER (Btu/h)/W 11.6 11.6
COP (Btu/h)/W / 11.7
SEER 18(SEER) 18(SEER2) 18(SEER) 18(SEER2)
HSPF / 10(HSPF) 8.5(HSPF2)
Air Flow Volume CFM 677/589/559/500/471/441/412 677/589/559/500/471/441/412
Dehumidifying Volume Pint/h 5.28 5.28
Application Area yd228-41 28-41
Indoor Unit
Indoor Unit Model GWC24ATEXF-D3DNA1E/I GWH24ATEXF-D3DNA1E/I
Product Code of Indoor Unit CB574N02400 CB574N02500
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф111.5X830 Ф111.5X830
Cooling Speed r/min 1350/1200/1100/1000/950/900/850 1350/1200/1100/1000/950/900/850
Heating Speed r/min / 1350/1200/1100/1000/950/900/850
Fan Motor Power Output W 45 45
Fan Motor RLA A 0.45 0.45
Fan Motor Capacitor μF / /
Heater Power Input W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 840X25.4X381 840X25.4X381
Swing Motor Model MP35CP MP35CP
Swing Motor Power Output W 2.5 2.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) 51/47/45/42/40/38/36 Cooling: 51/47/45/42/40/38/36
Heating: 52/48/45/42/40/38/37
Sound Power Level dB (A) 61/57/55/52/50/48/46 Cooling: 61/57/55/52/50/48/46
Heating: 62/58/55/52/50/48/47
Dimension (WXHXD) inch 42 7/16X13 7/64X9 11/16 42 7/16 X13 7/64 X9 11/16
Package Carton Dimension
(LXWXH) inch 44 13/32X15 63/64X12 23/32 44 13/32 X15 63/64X12 23/32
Package Dimension (LXWXH) inch 44 39/64/32X16 19/64X13 7/64 44 39/64/32X16 19/64X13 7/64
Net Weight Ib 33.1 33.1
Gross Weight Ib 39.7 39.7

4Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWC24QEXF-D3DNC4C/O GWH24QEXF-D3DNC4C/O
Product Code of Outdoor Unit CB444W15800 CB444W15900
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO. LTD.
ZHUHAI LANDA COMPRESSOR
CO. LTD.
Compressor Model FTz-SM151AXBD FTz-SM151AXBD
Compressor Oil FW68DA or equivalent FW68DA or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 35.00 35.00
Compressor RLA A 10.58 10.39
Compressor Power Input W 1330 1330
Compressor Overload Protector HPC 115/95U1 KSD115℃HPC 115/95U1 KSD115℃
Fan Type Axial-ow Axial-ow
Fan Diameter mm 520 520
Fan Motor Speed rpm 880 880
Fan Motor Power Output W 60 60
Fan Motor RLA A 0.73 0.73
Fan Motor Capacitor μF 3.5 3.5
Outdoor Unit Air Flow Volume CFM 1883 1883
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф5 Ф7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 855X22.8X609.6 839X38.1X616
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF -0.4~122 -0.4~122
Heating Operation Ambient Temperature Range ºF / 19.4~75.2
Throttling Method Capillary Electron expansion valve
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 58 57
Sound Power Level dB (A) 68 67
Dimension (WXHXD) inch 37 23/32X25 63/64X15 53/64 37 23/32X25 63/64X15 53/64
Dimension of Carton Box (LXWXH) inch 40 33/64X17 53/64X28 5/32 40 33/64X17 53/64X28 5/32
Dimension of Package(LXWXH) inch 40 5/8X17 61/64X29 1/64 40 5/8X17 61/64X29 1/64
Net Weight lb 89.3 97
Gross Weight lb 99.2 106.9
Refrigerant R410A R410A
Refrigerant Charge oz 42.3 52.9
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.2 0.5
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 5/8 5/8
Max. Height Distance ft 32.8 32.8
Max. Length Distance ft 82.0 82.0
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

5
Technical Information
Service Manual
Model GWC12ATCXB-D3DNA1C GWH12ATCXB-D3DNA1C
Product Code CB574001300 CB574001500
Power
Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 12000 12000
Heating Capacity Btu/h / 12000
Cooling Power Input W 1380 1380
Heating Power Input W / 1004
Cooling Current A 6.2 6.2
Heating Current A / 4.5
Rated Input W 1500 1650
Rated Current A 6.2 6.2
EER (Btu/h)/W 8.7 8.7
COP (Btu/h)/W / 11.95
SEER 17.5(SEER) 17.5(SEER2) 17.5(SEER) 17.5(SEER2)
HSPF / 10(HSPF) 8.5(HSPF2)
Air Flow Volume CFM 424/353/324/277/247/224/182 424/353/324/277/247/224/182
Dehumidifying Volume Pint/d 2.96 2.96
Application Area yd219-29 19-29
Indoor Unit
Indoor Unit Model GWC12ATCXB-D3DNA1/I GWH12ATCXB-D3DNA1C/I
Product Code of Indoor Unit CB574N01300 CB574N01500
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф94X630 Ф94X630
Cooling Speed r/min 1550/1200/1120/1050/980/920/750 1550/1200/1120/1050/980/920/750
Heating Speed r/min / 1450/1200/1140/1080/1020/960/900
Fan Motor Power Output W 15 15
Fan Motor RLA A 0.40 0.40
Fan Motor Capacitor μF / /
Heater Power Input W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
Evaporator Row-n Gap mm 2-1.3 2-1.3
Evaporator Coil Length (LXDXW) mm 634X22.8X266.7 634X22.8X266.7
Swing Motor Model MP24HF MP24HF
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) 47/39/38/35/33/32/27 Cooling:47/39/38/35/33/32/27
Heating:44/39/37/36/34/32/30
Sound Power Level dB (A) 57/49/48/45/43/42/37 Cooling:57/49/48/45/43/42/37
Heating:54/49/47/46/44/42/40
Dimension (WXHXD) inch 32 56/64X10 53/64X7 7/8 32 56/64X10 53/64X7 7/8
Package Carton Dimension
(LXWXH) inch 35 3/64X12 61/64X10 15/64 35 3/64X12 61/64X10 15/64
Package Dimension (LXWXH) inch 35 15/64X13 37/64X10 43/64 35 15/64X13 37/64X10 43/64
Net Weight Ib 19.8 19.8
Gross Weight Ib 24.3 24.3

6Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWC12ATCXB-D3DNA1C/O GWH12ATCXB-D3DNA1C/O
Product Code of Outdoor Unit CB574W01300 CB574W01500
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model FTz-AN108ACBD FTz-AN108ACBD
Compressor Oil FW68DA or equivalent FW68DA or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 7.30 7.30
Compressor Power Input W 857 857
Compressor Overload Protector / /
Fan Type Axial-ow Axial-ow
Fan Diameter mm 400 400
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.60 0.60
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume CFM 1148 1148
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф5 Ф7
Condenser Rows-n Gap mm 1-1.3 1-1.2
Condenser Coil Length (LXDXW) mm 675X11.4X514.4 677X19.05X528
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF 0~115 0~115
Heating Operation Ambient Temperature Range ºF / -4~75
Throttling Method Capillary Capillary
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 51 52
Sound Power Level dB (A) 61 62
Dimension (WXHXD) inch 28 13/16X21 27/32X12 63/64 28 13/16X21 27/32X12 63/64
Dimension of Carton Box (LXWXH) inch 31 9/64X14 11/16X23 15/64 31 9/64X14 11/16X23 15/64
Dimension of Package(LXWXH) inch 31 17/64X14 51/64X24 7/32 31 17/64X14 51/64X24 7/32
Net Weight lb 54.022 57.33
Gross Weight lb 59.535 62.842
Refrigerant R410A R410A
Refrigerant Charge oz 19.4 27.5
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.16 0.22
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 3/8 3/8
Max. Height Distance ft 32.8 32.8
Max. Length Distance ft 65.6 65.6
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

7
Technical Information
Service Manual
Model GWH12ATCXB-A3DNA1C
GWH12ATCXB-A3DNA3C GWC12ATCXB-A3DNA1C
Product Code CB574001400
CB590000400 CB574001200
Power
Supply
Rated Voltage V~ 115 115
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 12000 12000
Heating Capacity Btu/h 12000 /
Cooling Power Input W 1380 1380
Heating Power Input W 1004 /
Cooling Current A 15 15
Heating Current A 10.9 /
Rated Input W 1650 1500
Rated Current A 17.9 16.3
EER (Btu/h)/W 8.7 8.7
COP (Btu/h)/W 11.95 /
SEER 17.5(SEER) 17.5(SEER2) 17.5(SEER) 17.5(SEER2)
HSPF 10(HSPF) 8.5(HSPF2) /
Air Flow Volume CFM 424/353/324/277/247/224/182 424/353/324/277/247/224/182
Dehumidifying Volume Pint/d 2.96 2.96
Application Area yd219-29 19-29
Indoor Unit
Indoor Unit Model GWH12ATCXB-A3DNA1C/I
GWH12ATCXB-A3DNA3C/I GWC12ATCXB-A3DNA1C/I
Product Code of Indoor Unit CB574N01400
CB590N00400 CB574N01200
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф94X630 Ф94X630
Cooling Speed r/min 1550/1200/1120/1050/980/920/750/500 1550/1200/1120/1050/980/920/750/500
Heating Speed r/min 1450/1200/1140/1080/1020/960/900/- /
Fan Motor Power Output W 15 15
Fan Motor RLA A 0.40 0.40
Fan Motor Capacitor μF / /
Heater Power Input W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
Evaporator Row-n Gap mm 2-1.3 2-1.3
Evaporator Coil Length (LXDXW) mm 634X22.8X266.7 634X22.8X266.7
Swing Motor Model MP24HF MP24HF
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) Cooling:47/39/38/35/33/32/27
Heating:44/39/37/36/34/32/30 47/39/38/35/33/32/27
Sound Power Level dB (A) Cooling:57/49/48/45/43/42/37
Heating:54/49/47/46/44/42/40 57/49/48/45/43/42/37
Dimension (WXHXD) inch 32 7/8X10 53/64X7 7/8 32 7/8X10 53/64X7 7/8
Package Carton Dimension
(LXWXH) inch 35 3/64X12 61/64X10 15/64 35 3/64X12 61/64X10 15/64
Package Dimension (LXWXH) inch 35 15/64X13 37/64X10 43/64 35 15/64X13 37/64X10 43/64
Net Weight Ib 19.8 19.8
Gross Weight Ib 24.3 24.3

8Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH12ATCXB-A3DNA1C/O GWC12ATCXB-A3DNA1C/O
Product Code of Outdoor Unit CB574W01400 CB574W01200
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model FTz-AN108ACBD FTz-AN108ACBD
Compressor Oil FW68DA or equivalent FW68DA or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 15.10 15.10
Compressor Power Input W 857 857
Compressor Overload Protector / /
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф400 Ф400
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.70 0.70
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume CFM 1148 1148
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф5
Condenser Rows-n Gap mm 1-1.2 1-1.3
Condenser Coil Length (LXDXW) mm 677X19.05X528 675X11.4X514.4
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF 0~115 0~115
Heating Operation Ambient Temperature Range ºF -4~75 /
Throttling Method Capillary Capillary
Defrosting Method Automatic Defrosting /
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 52 51
Sound Power Level dB (A) 62 61
Dimension (WXHXD) inch 28 13/16X21 27/32X12 63/64 28 13/16X21 27/32X12 63/64
Dimension of Carton Box (LXWXH) inch 31 9/64X14 11/16X23 15/64 31 9/64X14 11/16X23 15/64
Dimension of Package(LXWXH) inch 31 17/64X14 51/64X24 7/32 31 17/64X14 51/64X24 7/32
Net Weight lb 59.5 56.2
Gross Weight lb 65.0 61.7
Refrigerant R410A R410A
Refrigerant Charge oz 0.7 0.55
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.22 0.22
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 3/8 3/8
Max. Height Distance ft 32.8 32.8
Max. Length Distance ft 65.6 65.6
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

9
Technical Information
Service Manual
Model GWC18ATDXD-D3DNA1A GWH18ATDXD-D3DNA1A
Product Code CB574003300 CB574003200
Power
Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 17400 17600
Heating Capacity Btu/h / 19100
Cooling Power Input W 1729 1750
Heating Power Input W / 1750
Cooling Current A 7.95 7.95
Heating Current A / 7.95
Rated Input W 2200 2300
Rated Current A 9.5 9.5
EER (Btu/h)/W 10.05 10.05
COP (Btu/h)/W / 10.90
SEER 19(SEER) 19(SEER2) 17.5(SEER) 17.5(SEER2)
HSPF / 9(HSPF) 8.5(HSPF2)
Air Flow Volume CFM 618/512/471/436/395/336/283 618/512/471/436/395/336/283
Dehumidifying Volume Pint/d 3.8 3.8
Application Area yd228-41 28-41
Indoor Unit
Indoor Unit Model GWC18ATDXD-D3DNA1A/I GWH18ATDXD-D3DNA1A/I
Product Code of Indoor Unit CB574N03300 CB574N03200
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф106X706 Ф106X706
Cooling Speed r/min 1350/1200/1120/1050/980/860/750 1350/1200/1120/1050/980/860/750
Heating Speed r/min / 1350/1200/1120/1050/950/850/750
Fan Motor Power Output W 45 45
Fan Motor RLA A 0.7 0.7
Fan Motor Capacitor μF / /
Heater Power Input W / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
Evaporator Row-n Gap mm 2-1.2 2-1.2
Evaporator Coil Length (LXDXW) mm 700X22.8X381 700X22.8X381
Swing Motor Model MP35CJ MP35CJ
Swing Motor Power Output W 2.5 2.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) 50/46/44/42/40/36/32 Cooling:50/46/44/42/40/36/32
Heating:49/46/4441/38/34/30
Sound Power Level dB (A) 60/56/55/52/50/46/42 Cooling:60/56/54/52/50/46/42
Heating:59/56/54/51/48/44/40
Dimension (WXHXD) inch 37 1/8X13 7/64X9 11/16 37 1/8X13 7/64X9 11/16
Package Carton Dimension
(LXWXH) inch 39 7/32X15 5/8X12 9/32 39 7/32X15 5/8X12 9/32
Package Dimension (LXWXH) inch 39 13/32X15 15/16X12 43/64 39 13/32X15 15/16X12 43/64
Net Weight Ib 28.7 28.7
Gross Weight Ib 34.2 34.2

10 Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWC18ATDXD-D3DNA1A/O GWH18ATDXD-D3DNA1A/O
Product Code of Outdoor Unit CB574W03300 CB574W03200
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO. LTD.
ZHUHAI LANDA
COMPRESSOR CO. LTD.
Compressor Model QXF-A108zH170C QXF-A139zH170A
Compressor Oil FW68DA or equivalent FW68DA or equivalent
Compressor Type Rotary Rotary
Compressor LRA. A 17.0 25.0
Compressor RLA A 8.60 9.35
Compressor Power Input W 1000 1295
Compressor Overload Protector / /
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф420 Ф420
Fan Motor Speed rpm 900 940
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.9 0.9
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume CFM 1400 1480
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 2-1.4 2-1.4
Condenser Coil Length (LXDXW) mm 787X23X514 787X23X514
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF 0~115 0~115
Heating Operation Ambient Temperature Range ºF / -13~75
Throttling Method Capillary Capillary
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 54 57
Sound Power Level dB (A) 64 67
Dimension (WXHXD) inch 31 37/64X21 27/32X13 25/32 31 37/64X21 27/32X13 25/32
Dimension of Carton Box (LXWXH) inch 34 7/32X15 35/64X23 25/64 34 7/32X15 35/64X23 25/64
Dimension of Package(LXWXH) inch 34 21/64X15 43/64X24 13/32 34 21/64X15 43/64X24 13/32
Net Weight lb 71.7 71.7
Gross Weight lb 77.2 77.2
Refrigerant R410A R410A
Refrigerant Charge oz 35.3 44.1
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.1 0.2
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 1/2 1/2
Max. Height Distance ft 32.8 32.8
Max. Length Distance ft 82 82
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

11
Technical Information
Service Manual
Model GWC09ATCXB-D3DNA1A GWH09ATCXB-D3DNA1A
Product Code CB574001000 CB574000900
Power
Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 9100 9100
Heating Capacity Btu/h / 10000
Cooling Power Input W 805 805
Heating Power Input W / 781
Cooling Current A 3.75 3.75
Heating Current A / 3.9
Rated Input W 1350 1450
Rated Current A 6.5 6.5
EER (Btu/h)/W 11.30 11.30
COP (Btu/h)/W / 12.80
SEER 19.5(SEER)/19.5(SEER2) 19.5(SEER)/19.5(SEER2)
HSPF / 10(HSPF)8.8(HSPF2)
Air Flow Volume CFM 353/282/264/229/211/194/158 353/282/264/229/211/194/158
Dehumidifying Volume Pint/d 1.69 1.69
Application Area yd214-22 14-22
Indoor Unit
Indoor Unit Model GWC09ATCXB-D3DNA1A/I GWH09ATCXB-D3DNA1A/I
Product Code of Indoor Unit CB574N01000 CB574N00900
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф94X630 Ф94X630
Cooling Speed r/min 1350/1150/1100/1000/950/850/750 1350/1150/1100/1000/950/850/750
Heating Speed r/min / 1300/1100/1050/1000/950/850/800
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.30 0.30
Fan Motor Capacitor μF 1.5 1.5
Heater Power Input W / 72
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
Evaporator Row-n Gap mm 2-1.3 2-1.3
Evaporator Coil Length (LXDXW) mm 634X22.8X266.7 634X22.8X266.7
Swing Motor Model MP24HF MP24HF
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) 41/37/34/32/31/28/26 Cooling:41/37/34/32/31/28/26
Heating:41/36/34/32/31/28/26
Sound Power Level dB (A) 51/47/44/42/41/38/36 Cooling:51/47/44/42/41/38/36
Heating:51/46/44/42/41/38/36
Dimension (WXHXD) inch 32 7/8X10 53/64X7 7/8 32 7/8X10 53/64X7 7/8
Package Carton Dimension
(LXWXH) inch 35 1/32X12 61/64X10 15/64 35 1/32X12 61/64X10 15/64
Package Dimension (LXWXH) inch 35 15/64X13 37/64X10 43/64 35 15/64X13 37/64X10 43/64
Net Weight Ib 19.8 19.8
Gross Weight Ib 24.3 24.3

12 Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWC09ATCXB-D3DNA1A/O GWH09ATCXB-D3DNA1A/O
Product Code of Outdoor Unit CB574W01000 CB574W00900
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXF-A082zC170 QXF-A082zC170
Compressor Oil ZE-G;ES RB68GX or equivalent ZE-G;ES RB68GX or
equivalent
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 5.20 5.20
Compressor Power Input W 756.6 756.6
Compressor Overload Protector / /
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф400 400
Fan Motor Speed rpm 850 850
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.40 0.40
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume CFM 1148 1148
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 1-1.2 1-1.2
Condenser Coil Length (LXDXW) mm 666X19.05X527 666X19.05X527
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF 0~115 0~115
Heating Operation Ambient Temperature Range ºF / -4~75
Throttling Method Capillary Capillary
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 49 51
Sound Power Level dB (A) 59 61
Dimension (WXHXD) inch 28 13/16X21 27/32X12 63/64 28 13/16X21 27/32X12 63/64
Dimension of Carton Box (LXWXH) inch 31 9/64X14 11/16X23 15/64 31 9/64X14 11/16X23 15/64
Dimension of Package(LXWXH) inch 31 17/64X14 51/64X24 7/32 31 17/64X14 51/64X24 7/32
Net Weight lb 54 56
Gross Weight lb 59.5 61.7
Refrigerant R410A R410A
Refrigerant Charge oz 24.70 24.7
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.16 0.215
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 3/8 3/8
Max. Height Distance ft 39.37 39.37
Max. Length Distance ft 65.62 65.62
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

13
Technical Information
Service Manual
Model GWC09ATCXB-A3DNA1A GWH09ATCXB-A3DNA1A
GWH09ATCXB-A3DNA3A
Product Code CB574001700 CB574001600
CB590000300
Power
Supply
Rated Voltage V~ 115 115
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity Btu/h 9100 9100
Heating Capacity Btu/h / 10000
Cooling Power Input W 771 771
Heating Power Input W / 814
Cooling Current A 8.7 8.7
Heating Current A / 9.2
Rated Input W 1350 1450
Rated Current A 17.5 17.5
EER (Btu/h)/W 11.3 11.3
COP (Btu/h)/W / 12.3
SEER 19.5(SEER)19.5(SEER2) 19.5(SEER)19.5(SEER2)
HSPF / 9.8(HSPF)8.6(HSPF2)
Air Flow Volume CFM 353/282/264/229/211/194/158 353/282/264/229/211/194/158
Dehumidifying Volume Pint/d 1.69 1.69
Application Area yd214-22 14-22
Indoor Unit
Indoor Unit Model GWC09ATCXB-A3DNA1A/I GWH09ATCXB-A3DNA1A/I
GWH09ATCXB-A3DNA3A/I
Product Code of Indoor Unit CB574N01700 CB574N01600
CB590N00300
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф94X630 Ф94X630
Cooling Speed r/min 1350/1150/1100/1000/950/850/750 1350/1150/1100/1000/950/850/750
Heating Speed r/min / 1300/1100/1050/1000/950/850/800
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.40 0.40
Fan Motor Capacitor μF 4 4
Heater Power Input W / 68
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5 Ф5
Evaporator Row-n Gap mm 2-1.3 2-1.3
Evaporator Coil Length (LXDXW) mm 634X22.8X266.7 634X22.8X266.7
Swing Motor Model MP24HF MP24HF
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level dB (A) 41/37/35/33/31/28/26 Cooling:41/37/35/33/31/28/26
Heating:41/36/35/34/31/29/27
Sound Power Level dB (A) 51/47/45/43/41/38/36 Cooling:51/47/45/43/41/38/36
Heating:51/46/45/44/41/39/37
Dimension (WXHXD) inch 32 7/8X10 53/64X7 7/8 32 7/8X10 53/64X7 7/8
Package Carton Dimension
(LXWXH) inch 35 1/32X12 61/64X10 15/64 35 1/32X12 61/64X10 15/64
Package Dimension (LXWXH) inch 35 15/64X13 37/64X10 43/64 35 15/64X13 37/64X10 43/64
Net Weight Ib 19.8 19.8
Gross Weight Ib 24.25 24.25

14 Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWC09ATCXB-A3DNA1A/O GWH09ATCXB-A3DNA1A/O
Product Code of Outdoor Unit CB574W01700 CB574W01600
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR
CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXF-N075zC170A QXF-N075zC170A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 10.50 10.50
Compressor Power Input W 640 640
Compressor Overload Protector / /
Fan Type Axial-ow Axial-ow
Fan Diameter mm 400 400
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.63 0.63
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume CFM 1148 1148
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7 Ф7
Condenser Rows-n Gap mm 1-1.2 1-1.2
Condenser Coil Length (LXDXW) mm 666X19.05X527 666X19.05X527
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
Maximum Allowable Pressure MPa 4.3 4.3
Set Temperature Range ºF 61~86 61~86
Cooling Operation Ambient Temperature Range ºF 0~115 0~115
Heating Operation Ambient Temperature Range ºF / -4~75
Throttling Method Capillary Capillary
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Sound Pressure Level dB (A) 51 51
Sound Power Level dB (A) 61 61
Dimension (WXHXD) inch 28 13/16X21 27/32X12 63/64 28 13/16X21 27/32X12 63/64
Dimension of Carton Box (LXWXH) inch 31 9/64X14 11/16X23 15/64 31 9/64X14 11/16X23 15/64
Dimension of Package(LXWXH) inch 31 17/64X14 51/64X24 7/32 31 17/64X14 51/64X24 7/32
Net Weight lb 57.3 59.5
Gross Weight lb 62.8 65
Refrigerant R410A R410A
Refrigerant Charge oz 24.3 24.34
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.16 0.22
Outer Diameter Liquid Pipe inch 1/4 1/4
Outer Diameter Gas Pipe inch 3/8 3/8
Max. Height Distance ft 39.37 39.37
Max. Length Distance ft 65.6 65.6
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

15
Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
89.6
91.495 98.6 102.2 105.8 109.4 113
93.2 96.8 100.4 104 107.6 111.2 115 -4 51423324
150
Cooling Heating
50
60
70
80
90
100
110
Capacity ratio(%)
Outdoor temp. (°F)
0
20
40
60
80
100
120
Capacity ratio(%)
Outdoor temp. (°F)
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
09/12K:
Cooling operation ambient temperature range is 0oF~115oF.
Hheating operation ambient temperature range is -4oF~75oF.
Capacity ratio(%)
Cooling
0
20
40
60
80
100
120
140
32 50 59 68 7741 86 95 115109.4
Heating
Capacity ratio(
%)
Outdoor temp.(°F) Outdoor temp.(°F)
0
20
40
60
80
100
120
140
32 35.6 44.6 59 64.4 69.
87
5-13 51419.4
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
Cooling operation ambient temperature range is 0oF~115oF.
Hheating operation ambient temperature range is -13oF~75oF.
18K:

16 Technical Information
Service Manual
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: 24.6 ft.
Cooling:
Heating:
Rated cooling condition(°F)
(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 PSIG T1 (°F) T2 (°F)
80/66.9 95/- 09K 130~142 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High
80/66.9 95/- 12K 130~142 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High
80/66.9 95/- 18K 130~142 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High
80/66.9 95/- 24K 130~142 in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High High
Rated heating condition(°F)
(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 PSIG T1 (°F) T2 (°F)
70/60 19.94/19.04 09K 362~406 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High
70/60 19.94/19.04 12K 362~406 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High
70/60 19.94/19.04 18K 507~550 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High
70/60 19.94/19.04 24K 507~550 in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High High
Capacity ratio(%)
Cooling Heating
Capacity ratio(
%)
Outdoor temp.(°F) Outdoor temp.(°F)
0
20
40
60
80
100
120
0
20
40
60
80
100
120
0 5 17 23 32 41 50 57 67 75 86 95 104113122
-13-505101720
19.4
24 32 41 43 47 53 59 64 70
75.2
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
Cooling operation ambient temperature range is 0.4oF~122oF.
Hheating operation ambient temperature range is 19.4oF~75.2oF.
24K:

17
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Model W H D W1 W2 W3
ATC 32 7/8 10 53/64 7 7/8 7 3/64 18 5/32 7 11/16
ATD 37 1/8 13 7/64 9 11/16 7 35/64 22 3/32 7 31/64
ATE 42 7/16 13 7/64 9 11/16 10 3/16 22 3/32 10 5/32
Unit:inch
Unit:inch
W
W1 W2 W3
W1 W2 W3
ATA / ATB
ATD
D
H
6 52/64 2 9/32
W1 W2 W3
ATE
9 29/64
Ø2 49/64
Ø2 49/64
4 61/64
1 11/16
1 11/16
1 11/16
1 11/16
Ø2 49/64
Ø2 49/64
W
W1 W2 W3
W1 W2 W3
ATA / ATB
ATD
D
H
6 52/64 2 9/32
W1 W2 W3
ATE
9 29/64
Ø2 49/64
Ø2 49/64
4 61/64
1 11/16
1 11/16
1 11/16
1 11/16
Ø2 49/64
Ø2 49/64
W
W1 W2 W3
ATA / ATB
D
H
6 17/64
1 11/16
5 15/64
Ø21 11/64
Ø21 11/64
Ø2 11/64
Ø2 11/64
W2 W3W1
2 61/64 2 61/64
ATC