Classic Air Conditioners GWFRC09S User manual

Service Manual

Service Manual
Table of Contents
Part Ⅰ: Technical Information .................................. 1
1. Summary......................................................................... 1
2. Specications............................................................... 2
2.1 Specication Sheet................................................................................... 2
2.2 Capacity Variation Ratio According to Temperature ........................... 12
2.3 Cooling and Heating Data Sheet in Rated Frequency ......................... 13
3. Outline Dimension Diagram................................. 14
3.1 Indoor Unit ............................................................................................... 14
3.2 Outdoor Unit ............................................................................................ 15
4. Refrigerant System Diagram ............................... 17
5. Electrical Part ............................................................. 18
5.1 Wiring Diagram........................................................................................ 18
5.2 PCB Printed Diagram.............................................................................. 22
6. Function and Control .............................................. 28
6.1 Remote Controller Introduction............................................................. 28
6.2 Ewpe Smart App Operation Manual ...................................................... 30
6.3 Brief Description of Modes and Functions........................................... 31
Part Ⅱ: Installation and Maintenance ................ 40
7. Notes for Installation and Maintenance.......... 40
8. Installation ................................................................... 43
8.1 Installation Dimension Diagram ............................................................ 43
8.2 Installation Parts-checking ................................................................... 45
8.3 Selection of Installation Location.......................................................... 45
8.4 Electric Connection Requirement ......................................................... 45
8.5 Installation of Indoor Unit....................................................................... 45
8.6 Installation of Outdoor Unit.................................................................... 47
Table of Contents

Service Manual
Table of Contents
8.7 Vacuum Pumping and Leak Detection .................................................. 49
8.8 Check after Installation and Test Operation ......................................... 49
9. Maintenance................................................................ 50
9.1 Error Code List ........................................................................................ 50
9.2 Procedure of Troubleshooting............................................................... 55
9.3 Troubleshooting for Normal Malfunction.............................................. 67
10. Exploded View and Parts List........................... 69
10.1 Indoor Unit ............................................................................................. 69
10.2 Outdoor Unit .......................................................................................... 73
11. Removal Procedure ............................................... 76
11.1 Removal Procedure of Indoor Unit ...................................................... 76
11.2 Removal Procedure of Outdoor Unit ................................................... 81
Appendix:.......................................................................... 94
Appendix 1: Reference Sheet of Celsius and Fahrenheit ......................... 94
Appendix 2: Conguration of Connection Pipe ......................................... 94
Appendix 3: Pipe Expanding Method.......................................................... 95
Appendix 4: List of Resistance for Temperature Sensor .......................... 96
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWFRC09S GWFRC12SA GWFRC12S
GWFRC18S GWFRC24S
Outdoor Unit:
GRFRC09AS
GRFRC12ASA
GRFRC12AS
GRFRC18AS
GRFRC24AS
Remote Controller:
YAP1F
ON/OFF
MODE
I FEEL T-ON T-OFF
TURBO
TEMP
CLOCK
LIGHT
X-FAN
SLEEP
FAN
Model list:
No. Model Product code Indoor model Indoor product code Outdoor model Outdoor product code Remote
Controller
1 GWFRC09S,GRFRC09AS CB464009000_X29326 GWFRC09S CB464N09000_X29326 GRFRC09AS CB444W15500_X29326
YAP1F
2 GWFRC12SA,GRFRC12ASA CB464008900_X29326 GWFRC12SA CB464N08900_X29326 GRFRC12ASA CB444W15100_X29326
3 GWFRC12S,GRFRC12AS CB464008401_X29326 GWFRC12S CB464N08401_X29326 GRFRC12AS CB444W15000_X29326
4 GWFRC18S,GRFRC18AS CB464008301_X29326 GWFRC18S CB464N08301_X29326 GRFRC18AS CB444W15700_X29326
5 GWFRC24S,GRFRC24AS CB464008102_X29326 GWFRC24S CB464N08102_X29326 GRFRC24AS CB444W15800_X29326

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWFRC09S,GRFRC09AS
Product Code CB464009000_X29326
Power
Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 9000
Heating Capacity Btu/h /
Cooling Power Input W 841
Heating Power Input W /
Cooling Power Current A 3.73
Heating Power Current A /
Rated Input W 1080
Rated Cooling Current A 5.9
Rated Heating Current A /
Air Flow Volume CFM 330/294/277/253/224/194/177
Dehumidifying Volume Pint/h 1.69
EER (Btu/h)/W 10.70
COP (Btu/h)/W /
SEER 17.2(SEER) 17.2(SEER2)
HSPF /
Application Area yd214-22
Indoor
Unit
Model of indoor unit GWFRC09S
Indoor Unit Product Code CB464N09000_X29326
Fan Type Cross-ow
Fan Diameter Length(D×L) mm Φ98×580
Cooling Speed r/min 1300/1200/1120/1050/920/860/800
Heating Speed r/min /
Fan Motor Power Output W 20
Fan Motor RLA A 0.28
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (L×D×W) mm 584×22.8×266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 40/37/35/33/29/27/26
Sound Power Level dB (A) Cooling: 50/47/45/43/39/37/36
Dimension (W×H×D) inch 31 7/64×10 53/64×7 7/8
Dimension of Carton Box (L×W×H) inch 33 15/32×13 11/32×10 5/16
Dimension of Package (L×W×H) inch 33 35/64×13 31/32×10 3/4
Net Weight Ib 19.8
Gross Weight Ib 24.3

3
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 GRFRC09AS
Outdoor Unit Product Code CB444W15500_X29326
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXF-A082zC170
Compressor Oil ZE-GLES RB68GX or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 4.7
Compressor Power Input W 756.6
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºF 61~86
Cooling Operation Ambient Temperature
Range ºF 0~118
Heating Operation Ambient Temperature
Range ºF /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ5
Condenser Rows-n Gap mm 1-1.3
Condenser Coil Length (L×D×W) mm 675×11.4×514.4
Fan Motor Speed rpm 850
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume CFM 1070
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IPX4
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 dB (A) 50
Sound Power Level dB (A) 60
Dimension (W×H×D) inch 28 13/16×21 27/32×12 63/64
Dimension of Carton Box (L×W×H) inch 31 9/64×14 11/16×23 15/64
Dimension of Package (L×W×H) inch 31 17/64×14 51/64×24 7/32
Net Weight Ib 50.7
Gross Weight Ib 56.2
Refrigerant R410A
Refrigerant Charge oz 18.0
Connection
Pipe
Connection Pipe Length ft 24.6
Connection Pipe Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height ft 32.8
Max Distance Length ft 49.2
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model GWFRC12SA,GRFRC12ASA
Product Code CB464008900_X29326
Power
Supply
Rated Voltage V~ 115
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 11700
Heating Capacity Btu/h /
Cooling Power Input W 1345
Heating Power Input W /
Cooling Power Current A 14.6
Heating Power Current A /
Rated Input W 1500
Rated Cooling Current A 16.3
Rated Heating Current A /
Air Flow Volume CFM 371/294/262/235/218/201/182
Dehumidifying Volume Pint/h 2.96
EER (Btu/h)/W 8.70
COP (Btu/h)/W /
SEER 16.5(SEER) 16.5(SEER2)
HSPF /
Application Area yd219-29
Indoor
Unit
Model of indoor unit GWFRC12SA
Indoor Unit Product Code CB464N08900_X29326
Fan Type Cross-ow
Fan Diameter Length(D×L) mm Φ98×633.5
Cooling Speed r/min 1350/1200/1100/1000/920/850/800
Heating Speed r/min /
Fan Motor Power Output W 20
Fan Motor RLA A 0.31
Fan Motor Capacitor μF 4
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (L×D×W) mm 635×22.8×304.8
Swing Motor Model MP24BA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 45/42/39/35/32/29/28
Sound Power Level dB (A) Cooling: 55/52/49/45/42/39/38
Dimension (W×H×D) inch 33 17/64×11 3/8×8 15/64
Dimension of Carton Box (L×W×H) inch 35 7/16×13 13/16×10 45/64
Dimension of Package (L×W×H) inch 35 5/8×14 29/64×11 9/64
Net Weight Ib 22
Gross Weight Ib 26.5

5
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 GRFRC12ASA
Outdoor Unit Product Code CB444W15100_X29326
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model FTz-AN108ACBD
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 15
Compressor Power Input W 857
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºF 61~86
Cooling Operation Ambient Temperature
Range ºF 0~118
Heating Operation Ambient Temperature
Range ºF /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ5
Condenser Rows-n Gap mm 1-1.3
Condenser Coil Length (L×D×W) mm 675×11.4×514.4
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume CFM 1148
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IPX4
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 dB (A) 51
Sound Power Level dB (A) 61
Dimension (W×H×D) inch 28 13/16×21 27/32×12 63/64
Dimension of Carton Box (L×W×H) inch 31 9/64×14 11/16×23 15/64
Dimension of Package (L×W×H) inch 31 17/64×14 51/64×24 7/32
Net Weight Ib 55.1
Gross Weight Ib 60.6
Refrigerant R410A
Refrigerant Charge oz 19.4
Connection
Pipe
Connection Pipe Length ft 24.6
Connection Pipe Gas Additional Charge oz/ft 0.16
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height ft 40
Max Distance Length ft 65.6
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Model GWFRC12S,GRFRC12AS
Product Code CB464008401_X29326
Power
Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 11700
Heating Capacity Btu/h /
Cooling Power Input W 1345
Heating Power Input W /
Cooling Power Current A 6
Heating Power Current A /
Rated Input W 1500
Rated Cooling Current A 6.6
Rated Heating Current A /
Air Flow Volume CFM 371/294/262/235/218/201/182
Dehumidifying Volume Pint/h 2.96
EER (Btu/h)/W 8.70
COP (Btu/h)/W /
SEER 17(SEER) 17(SEER2)
HSPF /
Application Area yd219-29
Indoor
Unit
Model of indoor unit GWFRC12S
Indoor Unit Product Code CB464N08401_X29326
Fan Type Cross-ow
Fan Diameter Length(D×L) mm Φ98×633.5
Cooling Speed r/min 1350/1200/1120/1050/980/920/850
Heating Speed r/min /
Fan Motor Power Output W 20
Fan Motor RLA A 0.31
Fan Motor Capacitor μF 1.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (L×D×W) mm 635×22.8×304.8
Swing Motor Model MP24BA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 45/42/39/37/35/31/30
Sound Power Level dB (A) Cooling: 55/52/49/47/45/41/40
Dimension (W×H×D) inch 33 17/64×11 3/8×8 15/64
Dimension of Carton Box (L×W×H) inch 35 7/16×13 13/16×10 45/64
Dimension of Package (L×W×H) inch 35 5/8×14 29/64×11 9/64
Net Weight Ib 22.1
Gross Weight Ib 26.5

7
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 GRFRC12AS
Outdoor Unit Product Code CB444W15000_X29326
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model FTz-AN108ACBD
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 6.80
Compressor Power Input W 857
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºF 61~86
Cooling Operation Ambient Temperature
Range ºF 0~118
Heating Operation Ambient Temperature
Range ºF /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ5
Condenser Rows-n Gap mm 1-1.3
Condenser Coil Length (L×D×W) mm 675×11.4×514.4
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.40
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume CFM 1148
Fan Type Axial-ow
Fan Diameter mm Φ400
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IPX4
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 dB (A) 51
Sound Power Level dB (A) 61
Dimension (W×H×D) inch 28 13/16×21 27/32×12 63/64
Dimension of Carton Box (L×W×H) inch 31 9/64×14 11/16×23 15/64
Dimension of Package (L×W×H) inch 31 17/64×14 51/64×24 7/32
Net Weight Ib 50.7
Gross Weight Ib 56.2
Refrigerant R410A
Refrigerant Charge oz 19.4
Connection
Pipe
Connection Pipe Length ft 24.6
Connection Pipe Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 3/8
Max Distance Height ft 32.8
Max Distance Length ft 65.6
Note: The connection pipe applies metric diameter.

8Technical Information
Service Manual
Model GWFRC18S,GRFRC18AS
Product Code CB464008301_X29326
Power
Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 17100
Heating Capacity Btu/h /
Cooling Power Input W 1829
Heating Power Input W /
Cooling Power Current A 7.85
Heating Power Current A /
Rated Input W 2300
Rated Cooling Current A 9.5
Rated Heating Current A /
Air Flow Volume CFM 471//436/406/374/335/312/277
Dehumidifying Volume Pint/h 3.8
EER (Btu/h)/W 9.35
COP (Btu/h)/W /
SEER 17(SEER) 17.5(SEER2)
HSPF /
Application Area yd228-41
Indoor
Unit
Model of indoor unit GWFRC18S
Indoor Unit Product Code CB464N08301_X29326
Fan Type Cross-ow
Fan Diameter Length(D×L) mm Ф106×706
Cooling Speed r/min 1350/1280/1200/1130/1050/980/900
Heating Speed r/min /
Fan Motor Power Output W 35
Fan Motor RLA A 0.3
Fan Motor Capacitor μF 2.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (L×D×W) mm 715×25.4×304.8
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 47/45/43/41/39/37/34
Sound Power Level dB (A) Cooling: 57/55/53/51/49/47/44
Dimension (W×H×D) inch 38 3/16×11 13/16×8 55/64
Dimension of Carton Box (L×W×H) inch 40 5/32×14 9/16×11 37/64
Dimension of Package (L×W×H) inch 40 23/64×14 7/8×11 31/32
Net Weight Ib 29.8
Gross Weight Ib 35.3

9
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 GRFRC18AS
Outdoor Unit Product Code CB444W15700_X29326
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO. LTD.
Compressor Model QXF-A108zH170C
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A 17.0
Compressor RLA A 8.6
Compressor Power Input W 1000
Compressor Overload Protector /
Throttling Method Capillary
Set Temperature Range ºF 61~86
Cooling Operation Ambient Temperature
Range ºF 0~118
Heating Operation Ambient Temperature
Range ºF /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (L×D×W) mm 780×23×514
Fan Motor Speed rpm 900
Fan Motor Power Output W 30
Fan Motor RLA A 0.5
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume CFM 1177
Fan Type Axial-ow
Fan Diameter mm Φ420
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IPX4
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 dB (A) 54
Sound Power Level dB (A) 64
Dimension (W×H×D) inch 31 37/64×21 27/32×13 25/32
Dimension of Carton Box (L×W×H) inch 34 7/32×15 35/64×23 25/64
Dimension of Package (L×W×H) inch 34 21/64×15 43/64×24 13/32
Net Weight Ib 67.3
Gross Weight Ib 72.8
Refrigerant R410A
Refrigerant Charge oz 35.3
Connection
Pipe
Connection Pipe Length ft 24.6
Connection Pipe Gas Additional Charge oz/ft 0.1
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 1/2
Max Distance Height ft 32.8
Max Distance Length ft 82.0
Note: The connection pipe applies metric diameter.

10 Technical Information
Service Manual
Model GWFRC24S,GRFRC24AS
Product Code CB464008102_X29326
Power
Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 22000
Heating Capacity Btu/h /
Cooling Power Input W 1896
Heating Power Input W /
Cooling Power Current A 8.5
Heating Power Current A /
Rated Input W 2500
Rated Cooling Current A 12
Rated Heating Current A /
Air Flow Volume CFM 677/588/559/500/471/441/412
Dehumidifying Volume Pint/h 5.28
EER (Btu/h)/W 11.60
COP (Btu/h)/W /
SEER 18(SEER) 18(SEER2)
HSPF /
Application Area yd228-41
Indoor
Unit
Model of indoor unit GWFRC24S
Indoor Unit Product Code CB464N08102_X29326
Fan Type Cross-ow
Fan Diameter Length(D×L) mm Ф108×830
Cooling Speed r/min 1300/1150/1100/1000/950/900/850
Heating Speed r/min /
Fan Motor Power Output W 45
Fan Motor RLA A 0.3
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length (L×D×W) mm 850×25.4×342.9
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level dB (A) Cooling: 51/46/45/42/40/38/37
Sound Power Level dB (A) Cooling: 61/56/55/52/50/48/47
Dimension (W×H×D) inch 42 7/16×12 51/64×9 11/16
Dimension of Carton Box (L×W×H) inch 44 1/4×15 3/4×12 61/64
Dimension of Package (L×W×H) inch 44 29/64×16 1/16×13 11/32
Net Weight Ib 36.4
Gross Weight Ib 43.0

11
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 GRFRC24AS
Outdoor Unit Product Code CB444W15800_X29326
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO. LTD.
Compressor Model FTz-SM151AXBD
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A 35.00
Compressor RLA A 10.58
Compressor Power Input W 1330
Compressor Overload Protector HPC 115/95U1 KSD115ºC
Throttling Method Capillary
Set Temperature Range ºF 61~86
Cooling Operation Ambient Temperature
Range ºF 0~118
Heating Operation Ambient Temperature
Range ºF /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ5
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (L×D×W) mm 855×22.8×609.6
Fan Motor Speed rpm 880
Fan Motor Power Output W 60
Fan Motor RLA A 0.73
Fan Motor Capacitor μF 3.5
Outdoor Unit Air Flow Volume CFM 1883
Fan Type Axial-ow
Fan Diameter mm Φ520
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IPX4
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 dB (A) 58
Sound Power Level dB (A) 68
Dimension (W×H×D) inch 37 23/32×25 63/64×15 53/64
Dimension of Carton Box (L×W×H) inch 40 33/64×17 53/64×28 5/32
Dimension of Package (L×W×H) inch 40 5/8×17 61/64×29 1/64
Net Weight Ib 89.3
Gross Weight Ib 99.2
Refrigerant R410A
Refrigerant Charge oz 42.3
Connection
Pipe
Connection Pipe Length ft 24.6
Connection Pipe Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 5/8
Max Distance Height ft 32.8
Max Distance Length ft 82.0
Note: The connection pipe applies metric diameter.

12 Technical Information
Service Manual
2.2 Capacity Variation Ratio According to Temperature
GWFRC09S,GRFRC09AS GWFRC12SA,GRFRC12ASA
GWFRC12S,GRFRC12AS
Cooling operation ambient temperature range is 0oF~118oF.
Cooling Heating
Outdoor temp.(°F) Outdoor temp.(°F)
Capacity ratio(%) Capacity ratio(%)
0
20
40
60
80
100
120
140
0514 23 32 41 50 59 68 77 86 95 104118
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
0
20
40
60
80
100
120
140
-13-4514 19 36 45 59 64 70 75
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
Cooling
Cooling
Cooling
Heating
Heating
Heating
Outdoor temp.(°F)
Outdoor temp.(°F)
Outdoor temp.(°F)
Outdoor temp.(°F)
Outdoor temp.(°F)
Outdoor temp.(°F)
Capacity ratio(%)Capacity ratio(%)Capacity ratio(%)
Capacity ratio(%)Capacity ratio(%)Capacity ratio(%)
0
20
40
60
80
100
120
0517 23 32 41 50 57 67 75 86 95 104113118
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
0
20
40
60
80
100
120
140
-13-50 510172024324143475359647075
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
0
20
40
60
80
100
120
140
-4 0517 23 32 41 50 57 67 75 86 95 104113122
0
20
40
60
80
100
120
140
-13-50 510172024324143475359647075
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
0
20
40
60
80
100
120
140
-20-15-10-5 0517 23 32 41 50 57 67 75 86 95104
113
122
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:16.4 ft
0
20
40
60
80
100
120
140
-22-1 3-5 5100 17 20 24 32 41 43 47 53 59 64 70 75 80 86
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 16.4 ft
Cooling operation ambient temperature range is 0oF~118oF.
Cooling
Cooling
Heating
Outdoor temp.(°F)
Outdoor temp.(°F)
Outdoor temp.(°F)
Capacity ratio (%)Capacity ratio (%)
Capacity ratio (%)
0
20
40
60
80
100
120
0517 23 32 41 50 57 67 77 86 95 104109118
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
0
20
40
60
80
100
120
-135 14 20 32 36 40 45 48 50 59 65 70 75
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
0
20
40
60
80
100
120
-4 514233241505968778695109118122
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
GWFRC18S,GRFRC18AS
Cooling operation ambient temperature range is 0oF~118oF.
GWFRC24S,GRFRC24AS
Cooling Heating
Outdoor temp.(°F)
Outdoor temp.(°F)
Capacity ratio (%)
Capacity ratio (%)
0
20
40
60
80
100
120
-13
0517 23 32 41 50 57 67 76 86 95 104113 118
-5 0510 17 20 24 32 41 43 47 53 59 64 70 75
Conditions
Indoor:DB80°F/WB66.9°F
Outdoor:DB95°F
Indoor air flow:Super High
Pipe length:24.6ft
0
20
40
60
80
100
120
Conditions
Indoor: DB70°F
Outdoor: DB19.94°F/WB19.04°F
Indoor air flow: Super High
Pipe length: 24.6 ft
Cooling Heating
Outdoor temp.(°F) Outdoor temp.(°F)
0
20
40
60
80
100
120
0
-4 517 23 32 41 50 57 67 75 86 95 113
104122
Capacity ratio (%) Capacity ratio (%)
0
20
40
60
80
100
120
140
-5
-13 0510 17 20 24 32 41 43 47 53 59 64 70 75
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~118oF.

13
Technical Information
Service Manual
Cooling operation ambient temperature range is 0oF~118oF.
Cooling operation ambient temperature range is 0oF~118oF.
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: 16.4/24.6 ft.
Cooling:
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

14 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Model W H D W1 W2 W3
GWFRC09S 31 7/64 10 53/64 7 7/8 6 41/64 18 3/16 6 9/32
GWFRC12SA
GWFRC12S 33 17/64 11 3/8 8 15/64 4 27/32 21 11/32 7 3/32
GWFRC18S 38 3/16 11 13/16 8 55/64 4 3/32 26 31/32 7 1/8
GWFRC24S 42 7/16 12 51/64 9 11/16 8 7/64 26 31/32 7 23/64
Unit:inch
Unit:mm(inch)
W
H
D
43
(1 11/16)
83
(3 17/64)
130
(5 1/8)
W1 W2 W3
QC
43
(1 11/16)
154
(6 1/16)
79
(3 7/64)
W1 W2 W3
QE
W1 W2 W3
90
(3 35/64)
150
(5 29/32)
54
(2 1/8)
QB
140
(5 33/64)
190
(7 31/64)
38
(1 1/2)
W1 W2 W3
QD

15
Technical Information
Service Manual
3.2 Outdoor Unit
12 13/64
17 29/32
11 7/32
21 27/32
12 63/64
26 37/64
28 13/16
GRFRC09AS GRFRC12ASA GRFRC12AS
GRFRC18AS
31 37/64
29 21/64
13 25/32
21 27/32
20 5/32
13 5/64
11 52/64
Unit:inch
Unit:inch

16 Technical Information
Service Manual
GRFRC24AS
37 23/32
3513 25/64
15 53/64
25 63/64
22 7/16
14 41/64
Unit:inch

17
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4"
Gas pipe:3/8"(09K/12K)
Gas pipe:1/2"(18K)
Gas pipe:5/8"(18K)
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