Gree GWC18KG-K3DNA5A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Service Manual
MODEL: GWC18KG-K3DNA5A
GWC18KG-K3DNA6A
GWH18KG-K3DNA5A
GWH18KG-K3DNA5B
GWH18KG-K3DNA6A
GWH18KG-K3DNA6B
GWH18KG-K3DNA9B
GWC24KG-K3DNA5A
GWC24KG-K3DNA6A
GWH24KG-K3DNA5A
GWH24KG-K3DNA5B
GWH24KG-K3DNA6A
GWH24KG-K3DNA6B
GWH24KG-K3DNA9B
(Refrigerant R-410A)

Table of Contents
Summary and features
Part 1 Safety Precautions ................................................................2
Part 2 Specifications ........................................................................3
2.1 Unit Specifications ....................................................................................3
2.2 Operation Characteristic Curve ..............................................................11
................................................1
2.3 Capacity Variation Ratio AccordingtoTemperature..................................11
......................................................................................12
2.5 Noise criteria curve tables for both models ............................................13
Part 3 Construction Views
3.1 Indoor Unit
3.2 Outdoor Unit
5.1 Electrical Data
5.2 Electrical wiring
5.3 Printed Circuit Board
6.1 Remote Controller Description
6.2 Changing batteries and notices
6.3 Unit indlcation section
6.4 Unit ON/OFF button
6.5 Description of Each Control Operation
4.1 18K
4.2 24K
..................................................29
Part 4 Refrigerant System Diagram
Part 5 Schematic Diagram ..............................................................18
Part 6 Function and Control ..........................................................25
2.4 Operation Date
..............................................................14
.............................................................................................14
...........................................................................................15
...............................................16
.........................................................................................................16
.........................................................................................................17
.........................................................................................18
.......................................................................................18
...............................................................................20
................................................................25
...............................................................28
..............................................................................28
................................................................................28

Table of Contents
Part 7 Installation Manual
Part 8 Exploded Views And Parts List
8.1 Exploded View
8.2 Parts Listt
9.1 Precautions before Performing Inspection or Repair
9.2 Confirmation
9.3 Flashing LED of Indoor/Outdoor Unit and Primary Judgement
9.4 How to Check simply the main part
9.5 2-way, 3-way Valve Appearance
10.1 Removal Procedure of Indoor Unit
10.2 Removal Procedure of Outdoor Unit
7.1 Tools Required for Installation
7.5 Test Operation
7.2 Installation Position Selection
7.3 Installation of Indoor Unit
7.4 Installation of Outdoor Unit
Part 9 Troubleshooting
Part 10 Removal Procedure ...........................................................87
..............................................................34
.................................................................34
..................................................................34
........................................................................34
......................................................................38
..........................................................................................39
...........................................40
.........................................................................................40
................................................................................................46
...................................................................56
...............................56
............................................................................................57
................57
..........................................................62
..............................................................80
........................................................87
.....................................................93

Summary and features
Summary and features
Indoor Unit
GWC18KG-K3DNA5A/I
GWC18KG-K3DNA6A/I
GWH18KG-K3DNA5A/I
GWH18KG-K3DNA5B/I
GWH18KG-K3DNA6A/I
GWH18KG-K3DNA6B/I
GWH18KG-K3DNA9B/I
GWC24KG-K3DNA5A/I
GWC24KG-K3DNA6A/I
GWH24KG-K3DNA5A/I
GWH24KG-K3DNA5B/I
GWH24KG-K3DNA6A/I
GWH24KG-K3DNA6B/I
GWH24KG-K3DNA9B/I
Outdoor Unit
GWC18KG-K3DNA5A/O
GWH18KG-K3DNA5A/O
GWH18KG-K3DNA5B/O
GWC24KG-K3DNA5A/O
GWH24KG-K3DNA5A/O
GWH24KG-K3DNA5B/O
Remote control window
YB1F2
ON/OFF
ON/OFF
ON/OFF
A5 Panel
A6 Panel
A9 Panel
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP TIMER
SLEEP LIGHT
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3
Specifications
2.Specifications
2.1 Unit Specifications
GWC18KG-K3DNA5A
(CB14600090)
GWH18KG-K3DNA5A
(CB14600100)
GWC18KG-K3DNA6A
(CB14600650)
GWH18KG-K3DNA6A
(CB14600270)
Rated Voltage V220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Indoor Indoor
W 5300(1050~6500) 5300(1050~6500)
W / 5700(1000~7000)
W 1650(360~2650) 1600(360~2500)
W - 1578(350~2600)
A 7.65 7.12
A- 7.03
W 2650 2600
A12 11.6
m3/h 800/680/560/460/- 800/680/560/460/-
L/h 1.8 1.8
W/W 3.21 3.31
W/W - 3.61
W/W - -
W/W - -
m223-34 23-34
GWC18KG-K3DNA5A /I GWH18KG-K3DNA5A /I
GWC18KG-K3DNA6A /I GWH18KG-K3DNA6A /I
Fan Type Cross-flow Cross-flow
Diameter Length(DXL) mm ĭ98X650 ĭ98X650
Fan Motor Cooling Speed
(SH/H/ML/SL) r/min 1300/1100/950/800/- 1300/1100/950/800/-
Fan Motor Heating Speed
(SH/H/ML/SL) r/min -1400/1200/1050/900/-
Output of Fan Motor W 20 20
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor ȝF1.5 1.5
Input of Heater W - -
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm ĭ7ĭ7
Row-fin Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 657X25.4X304.8 657X25.4X304.8
Swing Motor Model MP28VB MP28VB
Output of Swing Motor W 2 2
Fuse A PCB 3.15A PCB 3.15A
Sound Pressure Level
(SH/H/M/L/SL) dB (A) 45/40/37/32/- 45/40/37/32/-
Sound Power Level
(SH/H/M/L/SL) dB (A) 55/50/47/42/- 55/50/47/42/-
Dimension (WXHXD) mm 865x305x215 865x305x215
Dimension of Carton Box
(L/W/H) mm 945X380X295 945X380X295
Dimension of Package (L/W/H) mm 948X383X310 948X383X310
Net Weight kg 12 12
Gross Weight kg 16 16
Mod el
Dehumidifying Volume
EER
Model of indoor unit
Power
Supply
Power Supply Mode
Cooling Capacity (MinMa x)
Indoor
Unit
COP
SEER
HSPF
Application Area
Air Flow Volum e(SH/H/M/L/SL)
Cooling Power Current
Heating Power Current
Rated Input
Rated Current
Heating Capacity (MinMa x)
Cooling Power Input (MinMa x)
Heating Power Input (MinMax)
Models: GWC18KG-K3DNA5A, GWC18KG-K3DNA6A,GWH18KG-K3DNA5A, GWH18KG-K3DNA6A

4
Specifications
Model of Outdoor Unit GWC18KG-K3DNA5A/O GWH18KG-K3DNA5A/O
Compressor
Manufacturer/Trademark
China Resources (Shenyang)
Sanyo CO.,LTD/Sanyo
China Resources (Shenyang)
Sanyo CO.,LTD/Sanyo
Compressor Model C-6RZ146H1A C-6RZ146H1A
Compressor Oil FV50S FV50S
Compressor Type Rotary Rotary
L.R.A. A 41 41
Compressor RLA A 8.40 8.4
Compressor Power Input W 1640 1640
Overload Protector 1NT11L-3979 1NT11L-3979
Throttling Method Capillary Capillary
Operation temp ć1630 1630
Ambient temp (cooling) ć1048 1048
Ambient tem p (heating) ć-- -1524
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm ĭ7ĭ7
Rows-fin Gap mm 1-1.4 2-1.4
Coil Length (LXDXW) mm 870x660x19.05 853x660x38.1
Fan Motor Speed rpm 690 690
Output of Fan Motor W 60 60
Fan Motor RLA A 0.58 0.58
Fan Motor Capacitor ȝF3.5 3.5
Air Flow Volume of Outdoor Unit m3/h 3200 3200
Fan Type Axial-flow Axial-flow
Fan Diameter mm ĭ520 ĭ520
Defros ting Method - Auto defros t
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Permissible Excessive
Operating Pressure for the
Discharge Side
MPa 3 .8 3.8
Permissible Excessive
Operating Pressure for the
Suction Side
MPa 1 .2 1.2
Sound Pressure Level (H/M/L) dB (A) 54/-/- 54/-/-
Sound Power Level (H/M/L) dB (A) 64/-/- 64/-/-
Dimension (WXHXD) mm 955X700X396 955X700X396
Dimension of Carton Box
(L/W/H) mm 1026X455X735 1026X455X735
Dimension of Package (L/W/H) mm 1029X458X750 1029X458X750
Net Weight kg 46 52
Gross Weight kg 51 57
Refrigerant R410A R410A
Refrigerant Charge kg 0.95 1.25
Length m 5 5
Gas Additional Charge g/m 20 20
Outer Diameter Liquid Pipe mm ĭ6ĭ6
Outer Diameter Gas Pipe mm ĭ12 ĭ12
Max Distance Height m 10 10
Max Distance Length m 25 25
Outdoor
Unit
Connecti
on Pipe
The above data is subject to change without notice. Please refer to the nameplate of the unit.

5
Specifications
Models: GWH18KG-K3DNA5B, GWH18KG-K3DNA6B, GWH18KG-K3DNA7B
GWH18KG-K3DNA5B GWH18KG-K3DNA6B GWH18KG-K3DNA9B
CB14600320 CB14600570 CB14600580
Rated Voltage V
Rated Frequency Hz
Phases
W
W
W
W
A
A
W
A
m3/h
L/h
W/W
W/W
W/W
W/W
m2
Model of indoor unit GWH18KG-K3DNA5B/I GWH18KG-K3DNA6B/I GWH18KG-K3DNA9B/I
Fan Type
Diameter Length(DXL) mm
Fan Motor Cooling Speed
(SH/H/ML/SL) r/min
Fan Motor Heating Speed
(SH/H/ML/SL) r/min
Output of Fan Motor W
Fan Motor RLA A
Fan Motor Capacitor ȝF
Input of Heater W
Evaporator Form
Pipe Diameter mm
Row-fin Gap mm
Coil Length (LXDXW) mm
Swing Motor Model
Output of Swing Motor W
Fus e A
Sound Pressure Level
(SH/H/M/L/SL) dB (A)
Sound Power Level
(SH/H/M/L/SL) dB (A)
Dimension (WXHXD) mm
Dimension of Carton Box
(L/W/H) mm
Dimension of Package (L/W/H) mm
Net Weight kg
Gross Weight kg
12
16
220-240
50
1
Indoor
5300(1050~6500)
5800(1000~7100)
1600(360~2500)
1600(350~2600)
Aluminum Fin-copper Tube
ĭ7
2-1.4
657X25.4X304.8
MP2 8VB
2
PCB 3.15A
46/40/37/32/-
1350/1100/950/800/-
94 8X38 3 X3 1 0
1400/1200/1050/900/-
20
0.31
1.5
56/50/47/42/-
86 5X30 5 X2 1 5
94 5X38 0 X2 9 5
-
Cross-flow
ĭ98X650
-
23-34
1.8
3.31
3.62
-
7.42
2600
11.6
800/680/560/460
Cooling Power Input (MinMa x)
Heating Power Input (MinMa x)
Cooling Power Current 7.42
Mod el
Product Code
Rated Current
Air Flow Volum e(SH/H/M/L/SL)
Heating Power Current
Rated Input
Power
Supply
Power Supply Mode
Cooling Capacity (MinMax)
Heating Capacity (MinMax)
Dehumidifying Volume
EER
Indoor
Unit
COP
SEER
HSPF
A
pplication Area

6
Specifications
Model of Outdoor Unit
Compressor
Manufacturer/Trademark
Compressor Model
Compressor Oil
Compressor Type
L.R.A. A
Compressor RLA A
Compressor Power Input W
Overload Protector
Throttling Method
Operation temp ć
Ambient temp (cooling) ć
Ambient tem p (heating) ć
Condenser Form
Pipe Diameter mm
Rows-fin Gap mm
Coil Length (LXDXW) mm
Fan Motor Speed rpm
Output of Fan Motor W
Fan Motor RLA A
Fan Motor Capacitor ȝF
Air Flow Volume of Outdoor Unit m3/h
Fan Type
Fan Diameter mm
Defros ting Method
Climate Type
Isolation
Moisture Protection
Permissible Excessive
Operating Pressure for the
Discharge Side
MPa
Permissible Excessive
Operating Pressure for the
Suction Side
MPa
Sound Pressure Level (H/M/L) dB (A)
Sound Power Level (H/M/L) dB (A)
Dimension (WXHXD) mm
Dimension of Carton Box
(L/W/H) mm
Dimension of Package (L/W/H) mm
Net Weight kg
Gros s Weight kg
Refrigerant
Refrigerant Charge kg
Length m
Gas Additional Charge g/m
Outer Diameter Liquid Pipe mm
Outer Diameter Gas Pipe mm
Max Distance Height m
Max Distance Length m 25
20
ĭ6
ĭ12
10
57
R410A
1.16
5
955X700X396
1026X455X735
1029X458X750
52
3.8
1.2
56/-/-
66/-/-
Auto defros t
T1
I
IP24
3.5
3200
Axial-flow
ĭ520
853x660x38.1
690
60
0.58
-1524
Aluminum Fin-copper Tube
ĭ7
2-1.4
1NT11L-3979
Capillary
1630
1048
Outdoor
Unit
Connecti
on Pipe
GWH18KG-K3DNA5B /O
China Resources (Shenyang) Sanyo CO.,LTD/Sanyo
C-6RZ146H1A
FV50S
Rotary
41
8.4
1640
The above data is subject to change without notice. Please refer to the nameplate of the unit.

7
Specifications
Models: GWC24KG-K3DNA5A,GWC24KG-K3DNA6A, GWH24KG-K3DNA5A,GWH24KG-K3DNA6A
GWC24KG-K3DNA5
A
(CB14600150)
GWH24KG-K3DNA5
A
(CB14600160)
GWC24KG-K3DNA6
A
(CB14600640)
GWH24KG-K3DNA6
A
(CB14600260)
Rated Voltage V220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Indoor Indoor
W 6450(1500~7000) 6450(1500~7000)
W - 7000(1200~7800)
W 1985(350~2500) 1985(350~2500)
W - 1930(350~2700)
A8.8 8.8
A - 8.56
W 2500 2700
A 11.1 11.98
m3/h 950/800/650/550/- 950/800/650/550/-
L/h 2 2
W/W 3.25 3.25
W/W - 3.62
W/W - -
W/W - -
m227-42 27-42
GWC24KG-K3DNA5A/I GWH24KG-K3DNA5A/I
GWC24KG-K3DNA6A/I GWH24KG-K3DNA6A/I
Fan Type Cross-flow Cross-flow
Diameter Length(DXL) mm ĭ98X765 ĭ98X765
Fan Motor Cooling Speed
(SH/H/M/L/SL) r/min 1250/1100/950/800/- 1250/1100/950/800/-
Fan Motor Heating Speed
(SH/H/M/L/SL) r/min - 1300/1100/1000/850/-
Output of Fan Motor W 35 35
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor ȝF2.5 2.5
Input of Heater W - -
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm ĭ7ĭ7
Row-fin Gap mm 2-1.5 2-1.5
Coil Length (LXDXW) mm 765X342.9X25.4 765X342.9X25.4
Swing Motor Model MP35XX MP35XX
Output of Swing Motor W 2.5 2.5
Fuse A PCB 3.15A PCB 3.15A
Sound Pressure Level
(SH/H/M/L/SL) dB (A) 46/42/37/32/- 46/42/37/32/-
Sound Power Level
(SH/H/M/L/SL) dB (A) 56/52/47/42/- 56/52/47/42/-
Dimension (WXHXD) mm 1008X319X221 1008X319X221
Dimension of Carton Box
(L/W/H) mm 1073X395X313 1073X395X313
Dimension of Package (L/W/H) mm 1076X398X328 1076X398X328
Net Weight kg 15 15
Gross Weight kg 20 20
Mod el
(Product Code)
SEER
HSPF
Application Area
Indoor
Unit
Model of indoor unit
Air Flow Volume(SH/H/M/L/SL)
Dehumidifying Volume
Cooling Power Input (MinMax)
Heating Power Input (MinMa x)
EER
COP
Cooling Power Current
Heating Power Current
Rated Input
Rated Current
Power
Supply
Power Supply Mode
Cooling Capacity (MinMax)
Heating Capacity (MinMa x)

8
Specifications
Model of Outdoor Unit GWC24KG-K3DNA5A/O GWH24KG-K3DNA5A/O
Compressor
Manufacturer/Trademark
China Resources (Shenyang)
Sanyo CO.,LTD
China Resources (Shenyang)
Sanyo CO.,LTD
Compressor Model C-6RZ146H1A C-6RZ146H1A
Compressor Oil FV50S FV50S
Compressor Type Rotary Rotary
L.R.A. A 41 41.00
Compressor RLA A 8.4 8.40
Compressor Power Input W 1640 1640
Overload Protector 1NT11L-3979 1NT11L-3979
Throttling Method Electron eXpansion valve Electron eXpansion valve
Operation temp 嘙C16
30 1630
Ambient temp (cooling) 嘙C10
48 1048
Am bient tem p (heating) 嘙C-- -15
24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter mm ĭ7ĭ7
Rows-fin Gap mm 2-1.4 2-1.4
Coil Length (LXDXW) mm 853X660X38.1 853X660X38.1
Fan Motor Speed rpm 690 690
Output of Fan Motor W 60 60
Fan Moto r RLA A 0.58 0.5 8
Fan Motor Capacitor ȝF3.5 3.5
Air Flow Volum e of Outdoor U nit m3/h 3200 3200
Fan Type Axial-flow Axial-flow
Fan Diameter mm ĭ520 ĭ520
Defrosting Method - Auto defrost
Clim ate Type T1 T1
Is olation I I
Moisture Protection IP24 IP24
Permissible Excessive
Operating Pressure for the
Discharge Side
MPa 3.8 3.8
Permissible Excessive
Operating Pressure for the
Suction Side
MPa 1.2 1.2
Sound Pressure Level (H/M/L) dB (A) 54/-/- 54/-/-
Sound Power Level (H/M/L) dB (A) 64/-/- 64/-/-
Dimension (WXHXD) mm 955X700X396 955X700X396
Dimension of Carton Box
(L/W/H) mm 1026X455X735 1026X455X735
Dimension of Package (L/W/H) mm 1029X458X750 1029X458X750
Net Weight kg 51 52
Gross Weight kg 56 57
Refrigerant R410A R410A
Refrigerant Charge kg 1.4 1.40
Length m 5 5
Gas Additional Charge g/m 15 20
Outer Diameter Liquid Pipe mm ĭ6ĭ6
Outer Diameter Gas Pipe mm ĭ12 ĭ12
Max Distance Height m 10 10
Max Distance Length m 25 25
Outdoor
Unit
Connecti
on Pipe
The above data is subject to change without notice. Please refer to the nameplate of the unit.

9
Specifications
Models :GWC24KG-K3DNA5B, GWH24KG-K3DNA6B, GWH24KG-K3DNA9B
GWH24KG-K3DNA5B GWH24KG-K3DNA6B GWH24KG-K3DNA9B
CB14600210 CB14600600 CB14600590
Rated Voltage V
Rated Frequency Hz
Phases
W
W
W
W
A
A
W
A
m3/h
L/h
W/W
W/W
W/W
W/W
m2
Model of indoor unit GWH24KG-
K3DNA5B/I
GWH24KG-
K3DNA6B/I
GWH24KG-
K3DNA9B/I
Fan Type
Diameter Length(DXL) mm
Fan Motor Cooling Speed
(SH/H/M/L/SL) r/min
Fan Motor Heating Speed
(SH/H/M/L/SL) r/min
Output of Fan Motor W
Fan Motor RLA A
Fan Motor Capacitor ȝF
Input of Heater W
Evaporator Form
Pipe Diameter mm
Row-fin Gap mm
Coil Length (LXDXW) mm
Swing Motor Model
Output of Swing Motor W
Fus e A
Sound Pressure Level
(SH/H/M/L/SL) dB (A)
Sound Power Level
(SH/H/M/L/SL) dB (A)
Dimension (WXHXD) mm
Dimension of Carton Box
(L/W/H) mm
Dim ension of Package (L/W/H) mm
Net Weight kg
Gross Weight kg
1076X398X328
15
20
Cross-flow
ĭ98X765
48/44/39/34/-
58/54/49/44/-
1008X319X221
1073X395X313
765X342.9X25.4
MP35XX
2.5
PCB 3.15A
/
Aluminum Fin-copper Tube
ĭ7
2-1.5
1350/1150/1000/900/-
35
0.31
2.5
/
/
27-42
1350/1150/1000/850/-
1000/800/700/550/-
2
3.22
3.62
8.87
8.21
2700
11.98
6450(1400~7000)
6700(1200~8000)
2000(350~2600)
1850(350~2700)
220-240
50
1
Indoor
Mod el
Heating Power Input (Min
Heating Power Current
Dehumidifying Volume
Product Code
Power
Supply
Cooling Power Input (Min
Power Supply Mode
Cooling Capacity (Min
Heating Capacity (Min
Indoor
Unit
Cooling Power Current
Air Flow Volum e(SH/H/M/L/SL)
Rated Current
HSPF
COP
EER
Application Area
Rated Input
SEER

10
Specifications
Model of Outdoor Unit
Compressor
Manufacturer/Trademark
Compressor Model
Compressor Oil
Compressor Type
L.R.A. A
Compressor RLA A
Compressor Power Input W
Overload Protector
Throttling Method
Operation temp ć
Ambient temp (cooling) ć
Ambient temp (heating) ć
Condenser Form
Pipe Diameter mm
Rows-fin Gap mm
Coil Length (LXDXW) mm
Fan Motor Speed rpm
Output of Fan Motor W
Fan Motor RLA A
Fan Motor Capacitor ȝF
Air Flow Volume of Outdoor Unit m3/h
Fan Type
Fan Diameter mm
Defrosting Method
Climate Type
Isolation
Mois ture Protection
Permissible Excessive
Operating Pressure for the
Discharge Side
MPa
Permissible Excessive
Operating Pressure for the
Suction Side
MPa
Sound Pressure Level (H/M/L) dB (A)
Sound Power Level (H/M/L) dB (A)
Dimension (WXHXD) mm
Dimension of Carton Box
(L/W/H) mm
Dimension of Package (L/W/H) mm
Net Weight kg
Gross Weight kg
Refrigerant
Refrigerant Charge kg
Length m
Gas Additional Charge g/m
Outer Diameter Liquid Pipe mm
Outer Diameter Gas Pipe mm
Max Distance Height m
Max Distance Length m
1630
1048
Outdoor
Unit
Connecti
on Pipe
GWH24KG-K3DNA5B/O
China Resources (Shenyang) Sanyo CO.,LTD
C-6RZ146H1A
FV50S
Rotary
41
8.4
1640
1NT11L-3979
Electron expansion valve
-1524
Aluminum Fin-copper Tube
ĭ9.52
2-1.4
847X660X44
690
60
0.58
3.5
3200
AXial-flow
ĭ520
Auto defrost
T1
I
IP24
3.8
1.2
56/-/-
66/-/-
955X700X396
1026X455X735
1029X458X750
55
60
R410A
1.7
5
25
20
ĭ6
ĭ12
10
The above data is subject to change without notice. Please refer to the nameplate of the unit.

11
Specifications
0 10203040506070 90 0110210010908070605040302010
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
Current (A)
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
Current (A)
• Conditions
Indoor : DB27˚C/WB19˚C
Outdoor : DB35˚C/WB24˚C
Indoor air flow : High
Pipe length : 5m
• Conditions
Indoor : DB20˚C/WB15˚C
Outdoor : DB7˚C/WB6˚C
Indoor air flow : High
Pipe length : 5m
220V
230V
240V
220V
230V
240V
<Cooling> <Heating>
2.2 Operation Characteristic Curve
18K
24K
2.3 Capacity Variation Ratio According to Temperature
<Cooling> <Heating>
32 33 34 35 36 37 38 39 43 –15 –10 –5 0 5 7 10
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚C)
Capacity ratio (%)
110
100
90
80
70
60
50
40
Outdoor temp. (˚C)
Capacity ratio (%)
• Conditions
Indoor : DB20˚C/WB15˚C
Indoor air flow : High
Pipe length : 5m
• Conditions
Indoor : DB27˚C/WB19˚C
Indoor air flow : High
Pipe length : 5m
<Cooling> <Heating>
0 10203040506070 90 0110210010908070605040302010
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
Current (A)
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
Current (A)
• Conditions
Indoor : DB27˚C/WB19˚C
Outdoor : DB35˚C/WB24˚C
Indoor air flow : High
Pipe length : 5m
• Conditions
Indoor : DB20˚C/WB15˚C
Outdoor : DB7˚C/WB6˚C
Indoor air flow : High
Pipe length : 5m
220V
230V
240V
220V
230V
240V

12
Specifications
Cooling
Heating
NOTES :
(1) Measure surface temperature of heat exchanger pipe around center of heat exchanger path U
bent. (Thermistor themometer)
(2) Connecting piping condition : 5 m
2.4 Operation Date
Standard
pressure
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
18K 0.9 to 1.1 12 to 14 70 to 40 Super High High 72
24K 0.8 to 1.0 10 to 12 72 to 40 Super High High 83
Outdoor fan
mode
Compresso
r revolution
(rps)
27/19 35/-
Temperature condition
(°C) Model
name
Heat exchanger pipe
temp. Indoor fan
mode
Standard
pressure
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
18K 2.2 to 2.4 70 to 35 2 to 4 Super High High 66
24K 2.5 to 2.7 70 to 35 0 to 3 Super High High 75
Outdoor fan
mode
Compresso
r revolution
(rps)
20/– 7/6
Temperature condition
(°C) Model
name
Heat exchanger pipe
temp. Indoor fan
mode
(2)Models: GWH18KG-K3DNA5B, GWH18KG-K3DNA6B, GWH18KG-K3DNA9B, GWH24KG-K3DNA5B,
GWH24KG-K3DNA6B, GWH24KG-K3DNA9B
Cooling
Heating
Standard
pressure
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
18K 0.9 to 1.1 12 to 14 70 to 40 Super High High 67
24K 0.8 to 1.0 10 to 12 72 to 40 Super High High 80
Outdoor fan
mode
Compresso
r revolution
(rps)
27/19 35/24
Temperature condition
(°C) Model
name
Heat exchanger pipe
temp. Indoor fan
mode
Standard
pressure
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
18K 2.2 to 2.4 70 to 35 2 to 4 Super High High 62
24K 2.5 to 2.7 70 to 35 0 to 3 Super High High 78
Outdoor fan
mode
Compresso
r revolution
(rps)
20/– 7/6
Temperature condition
(°C) Model
name
Heat exchanger pipe
temp. Indoor fan
mode
(1)Models: GWC18KG-K3DNA5A, GWC18KG-K3DNA6A, GWH18KG-K3DNA5A, GWH18KG-K3DNA6A,
GWC24KG-K3DNA5A, GWC24KG-K3DNA6A, GWH24KG-K3DNA5A, GWH24KG-K3DNA6A
(3) P: pressure of air pipe connected to the indoor and outdoor units (gas valve side)
T1: Inlet and outlet temperature for evaporator
T2: Inlet and outlet temperature for condenser

13
Specifications
2.5 Noise criteria curve tables for both models
50
40
30
Indoor side noise when blowing
Indoor fan motor rotating speed
Low Middle High
Noise/dB(A)
40
42
44
46
48
50
52
54
20 4030 50 60 70 80 90
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
24K
18K

14
Constrction views
3. Construction Views
3.1 Indoor Unit
ON/OFF
φ55φ55
124
100
50 50
319
1008
865
540 150
40
φ55 φ55
298
40
175 193
685130
W
H
D
Model W(΀)H(
΀)D( ΀)
18K 865 305 215
24K 1008 319 221
Over 15mm
Over
15mm
Over
15mm
18K Wall Mounting Frame 24K Wall Mounting Frame

15
Constrction views
3.2 Outdoor Unit
891 341
Over 30cm
Over 50cm
Over 30cm
Over 200cm
955 396
700
560
364
Bolt
Nut
Wrench
Over 50cm

16
Refrigerant System Diagram
4. Refrigerant System Diagram
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
HEATING
Accumlator
Discharge
Suction
Muffler
4-Way valve
CapillaryStrainer Strainer
Refrigerant pipe diameter
Liquid : 1/4" (6 mm)
Gas : 1/2" (12 mm)
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
Accumlator
Discharge
Suction
Muffler
CapillaryStrainer Strainer
(1)Cooling Only Models
(2)Cooling & Heating Models
4.1 18K

17
Refrigerant System Diagram
Refrigerant pipe diameter
Liquid : 1/4" (6 mm)
Gas : 1/2" (12 mm)
(1)Cooling Only Models
(2)Cooling & Heating Models
4.2 24K
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
Accumlator
Discharge
Suction
Muffler
Strainer Strainer
Expansion valve
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
2-WAY VALVE
COOLING
HEATING
Accumlator
Discharge
Suction
Muffler
4-Way valve
Strainer Strainer
Expansion valve