Gree GWC30LB-D3DNA3H User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Model: GWC30LB-D3DNA3G
GWC30LB-D3DNA3H
GWH30LB-D3DNA3G
GWC36LB-D3DNA3G
GWC30LB-D3DNA5G
GWH30LB-D3DNA5G
GWH36LB-D3DNA3G
GWC36LB-D3DNA5G
GWH36LB-D3DNA5G
GWC30LB-D3DNB2G
GWH30LB-D3DNB2G
GWC36LB-D3DNB2G
GWH36LB-D3DNB2G
(Refrigerant R410A)

Service Manual
Table of contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................8
2.3 Capacity Variation Ratio According to Temperature .........................................................8
2.4 Noise Curve......................................................................................................................9
2.5 Cooling and Heating Data Sheet in Rated Frequency .....................................................9
3. Outline Dimension Diagram......................................................................10
3.1 Indoor Unit......................................................................................................................10
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram....................................................................11
5. Electrical Part.........................................................................................................13
5.1 Wiring Diagram...............................................................................................................13
5.2 PCB Printed Diagram .....................................................................................................15
6. Function and Control......................................................................................17
6.1 Remote Controller Introduction .....................................................................................17
6.2 Brief Description of Modes and Functions......................................................................21
Part Ⅱ: Installation and Maintenance .................................................24
7. Notes for Installation and Maintenance..........................................24
8. Installation................................................................................................................26
8.1 Installation Dimension Diagram......................................................................................26
8.2 Installation Parts-checking ............................................................................................28
8.3 Selection of Installation Location....................................................................................28
8.4 Electric Connection Requirement ..................................................................................28
8.5 Installation of Indoor Unit................................................................................................28
8.6 Installation of Outdoor Unit.............................................................................................31
8.7 Vacuum Pumping and Leak Detection ...........................................................................32
8.8 Check after Installation and Test Operation ...................................................................32
8.9 Wired Controller .............................................................................................................33

Service Manual
Table of contents Table of contents
9. Troubleshooting ..................................................................................................43
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ......................................43
9.2 How to Check Simply the Main Part...............................................................................52
9.3 Troubleshooting for Normal Malfunction.........................................................................68
10. Exploded View and Parts List ..............................................................70
10.1 Indoor Unit....................................................................................................................70
10.2 Outdoor Unit .................................................................................................................76
11. Removal Procedure.......................................................................................81
11.1 Removal Procedure of Indoor Unit ...............................................................................80
11.2 Removal Procedure of Outdoor Unit ............................................................................89
Appendix:........................................................................................................................95
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................95
Appendix 2: Conguration of Connection Pipe.....................................................................95
Appendix 3: Pipe Expanding Method ...................................................................................96
Appendix 4: List of Resistance for Temperature Sensor ......................................................97

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Part Ⅰ: Technical Information
GWC30LB-D3DNA3G/I
GWC30LB-D3DNA3H/I
GWH30LB-D3DNA3G/I
GWC36LB-D3DNA3G/I
GWH36LB-D3DNA3G/I
GWH30LB-D3DNA5G/I
GWC36LB-D3DNA5G/I
GWH36LB-D3DNA5G/I
GWC30LB-D3DNB2G/I
GWH30LB-D3DNB2G/I
GWC36LB-D3DNB2G/I
GWH36LB-D3DNB2G/I
GWC30LB-D3DNA3G/O
GWC30LB-D3DNA3H/O
GWH30LB-D3DNA3G/O
GWC36LB-D3DNA3G/O
GWH36LB-D3DNA3G/O
Remote Controller:
YAN1F1F

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model
GWC30LB-D3DNA3G
GWC30LB-D3DNA5G
GWC30LB-D3DNB2G
GWH30LB-D3DNA3G
GWH30LB-D3DNA5G
GWH30LB-D3DNB2G
Product Code
CB171010700
CB169001200
CB433000100
CB171010600
CB169001100
CB433000200
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 28000(9485~30026) 28000(9485~30026)
Heating Capacity(Min~Max) Btu/h / 28400(9997~32994)
Cooling Power Input(Min~Max) W 2700(350~3900) 2700(350~3900)
Heating Power Input(Min~Max) W/2800(450~4000)
Cooling Power Current A 11.5 11.5
Heating Power Current A/12
Rated Input W 3900 4000
Rated Current A 17 17.5
Air Flow Volume(SH/H/M/L) CFM 706/618/530/412 706/618/530/412
Dehumidifying Volume Pint/h 6.34 6.34
EER (Btu/h)/W 10.37 10.36
COP (Btu/h)/W / 10.14
SEER 18 18
SCOP /9
Application Area yd241.86-62.19 41.86-62.19
Indoor Unit
Model of indoor unit
GWC30LB-D3DNA3G/I
GWC30LB-D3DNA5G/I
GWC30LB-D3DNB2G/I
GWH30LB-D3DNA3G/I
GWH30LB-D3DNA5G/I
GWH30LB-D3DNB2G/I
Indoor Unit Product Code
CB171N10700
CB169N01200
CB433N00100
CB171N10600
CB169N01100
CB433N00200
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16X2 Φ4 1/4X20 9/16X2
Fan Motor Cooling Speed (SH/H/M/L) r/min 1350/1150/950/850 1350/1150/950/850
Fan Motor Heating Speed (SH/H/M/L) r/min / 1350/1200/1000/800
Output of Fan Motor W 70 70
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15X2 42 9/32X1X15X2
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 2 2
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 51/45/41/37 51/45/41/37
Sound Power Level (SH/H/M/L) dB (A) 61/55/51/47 61/55/51/47
Dimension (WXHXD) inch 53 9/64X12 53/64X10 53 9/64X12 53/64X10
Dimension of Carton Box (LXWXH) inch 56 19/32X16 1/2X13 1/2 56 19/32X16 1/2X13 1/2
Dimension of Package (LXWXH) inch 56 3/4X16 9/16X14 56 3/4X16 9/16X14
Net Weight Ib 41.9 41.9
Gross Weight Ib 51.8 51.8

3
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWC30LB-D3DNA3G/O GWH30LB-D3DNA3G/O
Outdoor Unit Product Code CB171W10700 CB171W10600
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPERSSOR
CO.LTD.
ZHUHAI LANDA COMPERSSOR
CO.LTD.
Compressor Model QXAS-D23zX090 QXAS-D23zX090
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) 40 40
Compressor RLA A 13.45 13.45
Compressor Power Input W 2450 2450
Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Electron expansion valve+Capillary Electron expansion valve+Capillary
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 5~115 5~115
Ambient temp (heating) ºF / -4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16 Φ5/16
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 37 1/2X1 1/2X29 7/16 37 1/2X1 1/2X29 7/16
Fan Motor Speed rpm 795 795
Output of Fan Motor W 120 120
Fan Motor RLA A 0.45 0.45
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 2354 2354
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ21 21/32 Φ21 21/32
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 62/-/- 62/-/-
Sound Power Level (H/M/L) dB (A) 72/-/- 72/-/-
Dimension (WXHXD) inch 39 1/2X31 7/64X16 13/16 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 21/32X19 13/64X33 21/32 42 21/32X19 13/64X33 21/32
Net Weight Ib 152.1 154.4
Gross Weight Ib 163.2 165.4
Refrigerant R410A R410A
Refrigerant Charge oz 84.66 84.66
Connection
Pipe
Length ft 24 39/64 24 39/64
Gas Additional Charge oz/ft 0.2 0.5
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 32 3/16 32 3/16
Max Distance Length ft 98 27/64 98 27/64
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information
Service Manual
Model GWC30LB-D3DNA3H
Product Code CB171011800
Power Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) Btu/h 28000(9485~30026)
Heating Capacity(Min~Max) Btu/h /
Cooling Power Input(Min~Max) W 2700(350~3900)
Heating Power Input(Min~Max) W/
Cooling Power Current A 11.5
Heating Power Current A/
Rated Input W 3900
Rated Current A 17
Air Flow Volume(SH/H/M/L) CFM 706/618/530/412
Dehumidifying Volume Pint/h 6.34
EER (Btu/h)/W 10.37
COP (Btu/h)/W /
SEER 18
SCOP /
Application Area yd241.86-62.19
Indoor Unit
Model of indoor unit GWC30LB-D3DNA3H/I
Indoor Unit Product Code CB171N11800
Fan Type Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16X2
Fan Motor Cooling Speed (SH/H/M/L) r/min 1350/1150/950/850
Fan Motor Heating Speed (SH/H/M/L) r/min /
Output of Fan Motor W 70
Fan Motor RLA A 0.4
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32
Row-n Gap inch 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15X2
Swing Motor Model MP24BA
Output of Swing Motor W 2
Fuse A 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 51/45/41/37
Sound Power Level (SH/H/M/L) dB (A) 61/55/51/47
Dimension (WXHXD) inch 53 9/64X12 53/64X10
Dimension of Carton Box (LXWXH) inch 56 19/32X16 1/2X13 1/2
Dimension of Package (LXWXH) inch 56 3/4X16 9/16X14
Net Weight Ib 41.9
Gross Weight Ib 51.8

5
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWC30LB-D3DNA3H/O
Outdoor Unit Product Code CB171W11800
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPERSSOR CO.LTD.
Compressor Model QXAS-D23zX090
Compressor Oil RB68EP
Compressor Type Rotary
Compressor Locked Rotor Amp (L.R.A) 40
Compressor RLA A 13.45
Compressor Power Input W 2450
Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve+Capillary
Operation temp ºF 61~86
Ambient temp (cooling) ºF 5~115
Ambient temp (heating) ºF /
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16
Rows-n Gap inch 2-1/16
Coil Length (LXDXW) inch 37 1/2X1 1/2X29 7/16
Fan Motor Speed rpm 795
Output of Fan Motor W 120
Fan Motor RLA A 0.45
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit CFM 2354
Fan Type Axial-ow
Fan Diameter inch Φ21 21/32
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IP24
Design Pressure(High) PSIG 550
Design Pressure(Low) PSIG 240
Sound Pressure Level (H/M/L) dB (A) 62/-/-
Sound Power Level (H/M/L) dB (A) 72/-/-
Dimension (WXHXD) inch 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 21/32X19 13/64X33 21/32
Net Weight Ib 152.1
Gross Weight Ib 163.2
Refrigerant R410A
Refrigerant Charge oz 84.66
Connection
Pipe
Length ft 24 39/64
Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch Φ1/4
Outer Diameter Gas Pipe inch Φ5/8
Max Distance Height ft 32 3/16
Max Distance Length ft 98 27/64
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

6Technical Information
Service Manual
Model
GWC36LB-D3DNA3G
GWC36LB-D3DNA5G
GWC36LB-D3DNB2G
GWH36LB-D3DNA3G
GWH36LB-D3DNA5G
GWH36LB-D3DNB2G
Product Code
CB171010900
CB169000900
CB433000300
CB171010800
CB169001000
CB433000400
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 33600(7404~35997) 33600(7404~35997)
Heating Capacity(Min~Max) Btu/h / 34600(14979~35997)
Cooling Power Input(Min~Max) W 4100 4100(450~4300)
Heating Power Input(Min~Max) W/3800(460~4300)
Cooling Power Current A 17 17
Heating Power Current A/16.5
Rated Input W 4300 4300
Rated Current A 20 20
Air Flow Volume(SH/H/M/L) CFM 736/647/530/412 736/647/530/412
Dehumidifying Volume Pint/h 7.4 7.4
EER (Btu/h)/W 8.20 8.20
COP (Btu/h)/W / 9.11
SEER 18.00 18.00
SCOP /9.00
Application Area yd255.01-83.72 55.01-83.72
Indoor Unit
Model of indoor unit
GWC36LB-D3DNA3G/I
GWC36LB-D3DNA5G/I
GWC36LB-D3DNB2G/I
GWH36LB-D3DNA3G/I
GWH36LB-D3DNA5G/I
GWH36LB-D3DNB2G/I
Indoor Unit Product Code
CB171N10900
CB169N00900
CB433N00300
CB171N10800
CB169N01000
CB433N00400
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16X2 Φ4 1/4X20 9/16X2
Fan Motor Cooling Speed (SH/H/M/L) r/min 1400/1250/1000/800 1400/1250/1000/800
Fan Motor Heating Speed (SH/H/M/L) r/min / 1400/1250/1050/850
Output of Fan Motor W 70 70
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15X2 42 9/32X1X15X2
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 54/49/44/37 54/49/44/37
Sound Power Level (SH/H/M/L) dB (A) 64/59/54/47 64/59/54/47
Dimension (WXHXD) inch 53 9/64X12 53/64X10 53 9/64X12 53/64X10
Dimension of Carton Box (LXWXH) inch 56 19/32X16 1/2X13 1/2 56 19/32X16 1/2X13 1/2
Dimension of Package (LXWXH) inch 56 3/4X16 9/16X14 56 3/4X16 9/16X14
Net Weight Ib 41.9 41.9
Gross Weight Ib 51.8 51.8

7
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWC36LB-D3DNA3G/O(LC) GWH36LB-D3DNA3G/O(LCLH)
Outdoor Unit Product Code CB171W10900 CB171W10800
Compressor Manufacturer/Trademark
MITSUBISHI ELECTRIC
(GUANGZHOU)COMPRESSOR
CO. LTD
MITSUBISHI ELECTRIC
(GUANGZHOU)COMPRESSOR
CO. LTD
Compressor Model TNB306FPGMC TNB306FPGMC
Compressor Oil FV50S FV50S
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) 67.00 67.00
Compressor RLA A 13.50 13.50
Compressor Power Input W 3010 3010
Overload Protector CS01F272H01 CS01F272H01
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~109 0~109
Ambient temp (heating) ºF / -4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16 Φ5/16
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 37X1 3/4X30 37X1 3/4X30
Fan Motor Speed rpm 890 890
Output of Fan Motor W 170 170
Fan Motor RLA A 0.89 0.89
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 2589 2589
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ21 21/32 Φ21 21/32
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IP24 IP24
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 65/-/- 65/-/-
Sound Power Level (H/M/L) dB (A) 75/-/- 75/-/-
Dimension (WXHXD) inch 39 1/2X31 7/64X16 13/16 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 21/32X19 13/64X33 21/32 42 21/32X19 13/64X33 21/32
Net Weight Ib 154.4 161.0
Gross Weight Ib 165.4 172.0
Refrigerant R410A R410A
Refrigerant Charge oz 84.66 91.71
Connection
Pipe
Length ft 24 39/64 24 39/64
Gas Additional Charge oz/ft 0.2 0.5
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 32 3/16 32 3/16
Max Distance Length ft 98 27/64 98 27/64
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

8Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
90 95 100 105 110
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚F
)O
utdoor temp. (˚F)
Capacity ratio (%)
Capacity ratio (%)
Conditions
Indoor:
Pipe length :
24 39/64ft
DB 80°F
WB66
°F
Indoor air flow: Super High
-4 514
110
100
90
80
70
60
50
40
23 32 41 50
Conditions
Indoor:DB
70°F
Indoor air flow:Super High
Pipe length:
24 39/64ft
Cooling Heating
24K
0
2
4
6
8
10
12
14
020406080100 120
0
2
4
6
8
10
12
14
020406080 100
120
Condition
Indoor:DB 80°F
WB66
°F
Indoor air flow: Super High
Pipe length:24 39/64ft
Condition
Indoor:DB 70°F
Indoor air flow: Super High
Pipe length:24 39/64ft
Compressor Frequency(Hz) Compressor Frequency(Hz)
Current(A)
Current(A)

9
Technical Information
Service Manual
2.5 Cooling and Heating Data Sheet in Rated Frequency
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
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
80/66 95/- 30K 130~145 46.8 to 52.8 127 to 96.8 Super High High 67
80/66 95/- 36K 130~145 46.8 to 52.8 127 to 96.8 Super High High 60
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
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
70/- 20/19 30K 507~550 134.4 to 102 36 to 39 Super High High 61
70/- 20/19 36K 507~550 134.4 to 102 36 to 39 Super High High 58
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: 24.6ft.
Cooling:
Heating:
2.4 Noise Curve
30
40
50
60
LM
36K
30K
30K
HSH
Indoor fan motor rating speed
Noise/dB(A)
45
50
55
60
65
70
75
80
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Indoor side noise Outdoor side noise
36K

10 Technical Information
Service Manual
53 9/64
12 53/64
10
11 19/32 3 1/2
1 37/64
13 25/32 1029 3/8
Φ2 3/4
Φ2 3/4
3. Outline Dimension Diagram
Unit:inch
3.2 Outdoor Unit
Unit:inch
14 37/64
31 7/64
16 13/16
15 9/16
39 1/2
24
36 2/9
3.1 Indoor Unit

11
Technical Information
Service Manual
4. Refrigerant System Diagram
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Electron
expansion
valve
Accumlator
Compressor
Capillary
Indoor unit Outdoor unit
Accumlator
COOLING
Discharge
Suction
Heat
exchanger
(evaporator)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Capillary
Cooling only model
30K:
Cooling and heating model

12 Technical Information
Service Manual
Cooling only model
36K:
Cooling and heating model
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Electron
expansion
valve
Accumlator
Compressor
Indoor unit Outdoor unit
Accumlator
COOLING
Discharge
Suction
Heat
exchanger
(evaporator)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Connection pipe specication:
Liquid pipe:1/4 inch
Gas pipe:5/8 inch

13
Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
● Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
63610000469
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14 Technical Information
Service Manual
● Outdoor Unit
The above data is subject to change without notice. Please refer to the nameplate of the unit.
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15
Technical Information
Service Manual
5.2 PCB Printed Diagram
● Top view
● Bottom view
Indoor Unit
1
222
33
4
5
6
789
10
11
12
13
14
15
16
1718192021
No. Name
1Power supply live wire
2Fuse
3Interface of neutral wire for health
function
4Power supply neutral wire
5Interface of communication
6Power switch
7High-frequency transformer
8 Interface of fan motor
9Buzzer
10 Interface of display
11 Interface of display
12 Indoor tube temperature sensor
interface
13 Ambient temperature sensor
interface
14 Interface of wired controller
15 Interface of left and right swing
terminal
16 Interface of up and down swing
terminal
17 Auto button
18 Interface of BMS
19 Jumper cap
20 Interface of wired controller
21 Interface of live wire for health
function

16 Technical Information
Service Manual
● Top view
● Bottom view
Outdoor Unit
No. Name No. Name No. Name
1High-frequency transformer T1 6High pressure protection terminal HPP1 11 Terminal of neutral wire
2Overload protection terminal of
compressor OVC-COMP 7Terminal of 4-way valve 12 Protective tube FU101
3Terminal of temp sensor CN2 8Electric heater band of chassis HEAT2-L 13 Terminal of ground wire
4High pressure protection terminal
HPP 9Electric heater band of compressor HEAT1-L 14 Choke L 101 and L102
5Electronic expansion valve terminal
EV 10 Terminal of live wire 15 Terminal of outdoor fan OFAN-DC
12345 6
7
8
9
10
11
12
13
1415

17
Technical Information
Service Manual
6. Function and Control
6.1 Remote Controller Introduction
Introduction for icons on display screen
Introduction for buttons on remote controller
1
5
3
6
8
10
12
11
9
7
4
2
1
2
3
4
5
6
7
8
9
10
11
12
ON/OFF button
MODE button
FAN button
SWING button
TURBO button
TEMP button
I FEEL button
LIGHT button
CLOCK button
TIMER ON / TIMER OFF
button
SLEEP button
▲/ button
▲
Send signal
Turbo mode
8℃ heating function
Set temperature
WIFI(This unit without WiFi fuction)
Set time
TIMER ON / TIMER OFF
Child lock
Up & down swing
Set fan speed
Light
Temp. display type
:Set temp.
:Outdoor ambient temp.
:Indoor ambient temp.
Sleep mode
Clock
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel
Note:
● After putting through the power, the air conditioner will give out a sound. Operation indictor " " is ON (red indicator). After that,
you can operate the air conditioner by using remote controller.
● Under on status, pressing the button on the remote controller, the signal icon " " on the display of remote controller will blink once
and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.
● Under off status, set temperature and clock icon will be displayed on the display
of remote controller (If timer on, timer off and light functions are set, the corre- sponding icons will be displayed on the display of
remote controller at the same time); Under on status, the display will show the corresponding set function icons.