Kinghome KW09HUCA4D User manual

Models:KW09HUCA4D
KW12HUCA4D
KW18HUCA4D
(Refrigerant R410A)
AIR CONDITIONER
INSTRUCTION MANUAL

Table of Contents
Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................8
2.3 Capacity Variation Ratio According to Temperature .........................................................9
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................9
2.5 Noise Curve....................................................................................................................10
3. Outline Dimension Diagram...................................................................... 11
3.1 Indoor Unit......................................................................................................................11
3.2 Outdoor Unit ...................................................................................................................12
4. Refrigerant System Diagram....................................................................13
5. Electrical Part.........................................................................................................14
5.1 Wiring Diagram...............................................................................................................14
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................19
6.1 Remote Controller Introduction .....................................................................................19
6.2 GREE+ App Operation Manual ......................................................................................25
6.3 Ewpe Smart App Operation Manual ...............................................................................26
6.4 Brief Description of Modes and Functions.....................................................................27
Part Ⅱ: Installation and Maintenance .................................................36
7. Notes for Installation and Maintenance..........................................36
8. Installation................................................................................................................39
8.1 Installation Dimension Diagram......................................................................................39
8.2 Installation Parts-checking ............................................................................................41
8.3 Selection of Installation Location....................................................................................41
8.4 Electric Connection Requirement ..................................................................................41
8.5 Installation of Indoor Unit................................................................................................41
8.6 Installation of Outdoor Unit.............................................................................................44
8.7 Vacuum Pumping and Leak Detection ...........................................................................45
8.8 Check after Installation and Test Operation ...................................................................45

Table of Contents
Service Manual
9. Maintenance............................................................................................................46
9.1 Error Code List ...............................................................................................................46
9.2 Procedure of Troubleshooting ........................................................................................52
9.3 Troubleshooting for Normal Malfunction.........................................................................74
10. Exploded View and Parts List ..............................................................76
10.1 Indoor Unit....................................................................................................................76
10.2 Outdoor Unit .................................................................................................................78
11. Removal Procedure.......................................................................................82
11.1 Removal Procedure of Indoor Unit ...............................................................................82
11.2 Removal Procedure of Outdoor Unit ............................................................................91
Appendix:......................................................................................................................102
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................102
Appendix 2: Conguration of Connection Pipe...................................................................102
Appendix 3: Pipe Expanding Method .................................................................................103
Appendix 4: List of Resistance for Temperature Sensor ....................................................104

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Remote Controller:
Part Ⅰ: Technical Information
KW09HUCA4DO
KW12HUCA4DO
KW18HUCA4DO
SAA1FB1F
KW09HUCA4DI
KW12HUCA4DI
KW18HUCA4DI

2Technical Information
Service Manual
2.1 Specication Sheet
Model KW09HUCA4D
Product Code CB264001004_L74318
Power Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) Btu/h 9000(1535~9554)
Heating Capacity(Min~Max) Btu/h 9000(2300~9895)
Cooling Power Input(Min~Max) W 570(50~1400)
Heating Power Input(Min~Max) W 630(200~1500)
Cooling Power Current A 2.3
Heating Power Current A 2.8
Rated Input W 1500
Rated Current A 6.5
Air Flow Volume(SH/H/MH/M/ML/L/SL) CFM 412/383/353/324/294/235/206
Dehumidifying Volume Pint/h 1.69
EER (Btu/h)/W 15.79
COP (Btu/h)/W 14.29
SEER 30.5
SCOP 10
Application Area yd214.35-21.53
Indoor Unit
Model of indoor unit KW09HUCA4DI
Indoor Unit Product Code CB264N01004_L74318
Fan Type Cross-ow
Diameter Length(DXL) inch Ф4 3/16X27 1/2
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1170/1103/952/851/751/699/650/599
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1170/1103/1019/952/870/800/751/-
Output of Fan Motor W 20
Fan Motor RLA A 0.2
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter inch Ф1/4
Row-n Gap inch 2-1/16
Coil Length (LXDXW) inch 27 13/16X1X12
Swing Motor Model MP24HV/MP24AQ
Output of Swing Motor W 1.5/1.5
Fuse A 3.5
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 41/38/34/30/26/24/22
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) /
Dimension (WXHXD) inch 37 13/16X12 5/8X8
Dimension of Carton Box (LXWXH) inch 40 15/16X15 3/4X12 1/2
Dimension of Package (LXWXH) inch 41 1/16X15 7/8X13 1/8
Net Weight Ib 30.9
Gross Weight Ib 37.5

3
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit KW09HUCA4DO
Outdoor Unit Product Code CB264W01000_L74318
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXAT-B121zE070
Compressor Oil FV50S
Compressor Type Rotary
Compressor L.R.A. A 35
Compressor RLA 8.5
Compressor Power Input W 1070
Overload Protector 1NT11L-6233/HPC115/95/KSD115ºC
Throttling Method Electron expansion valve
Operation temp ºF 61~86
Ambient temp (cooling) ºF 0~115
Ambient temp (heating) ºF -22~75
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ1/4
Rows-n Gap inch 2.5-1/16
Coil Length (LXDXW) inch 30X2 1/4X21 5/8
Fan Motor Speed rpm 850
Output of Fan Motor W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit CFM 1412
Fan Type Axial-ow
Fan Diameter inch Φ17 1/4
Defrosting Method Automatic Defrosting
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) 53/-/-
Sound Power Level (H/M/L) dB (A) /
Dimension (WXHXD) inch 35 3/8X23 1/2X14 7/8
Dimension of Carton Box (LXWXH) inch 37 3/16X16 7/16X24 13/16
Dimension of Package (LXWXH) inch 37 5/16X16 9/16X25 3/8
Net Weight Ib 99.2
Gross Weight Ib 105.8
Refrigerant R410A
Refrigerant Charge oz 49.4
Connection
Pipe
Length ft 24.6
Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 1/2
Max Distance Height ft 32.8
Max Distance Length ft 49.2
Note:The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model KW12HUCA4D
Product Code CB264001104_L74318
Power Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) Btu/h 12000(2900~13307)
Heating Capacity(Min~Max) Btu/h 13000(3071~13307)
Cooling Power Input(Min~Max) W 940(75~1500)
Heating Power Input(Min~Max) W 1220(250~1600)
Cooling Power Current A 3.9
Heating Power Current A 5.3
Rated Input W 1600
Rated Current A 6.9
Air Flow Volume(SH/H/MH/M/ML/L/SL) CFM 471/441/412/383/353/294/265
Dehumidifying Volume Pint/h 2.96
EER (Btu/h)/W 12.77
COP (Btu/h)/W 10.66
SEER 23
SCOP 10
Application Area yd219.14-28.70
Indoor Unit
Model of indoor unit KW12HUCA4DI
Indoor Unit Product Code CB264N01104_L74318
Fan Type Cross-ow
Diameter Length(DXL) inch Ф4 3/16X27 1/2
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1200/1103/952/851/751/699/650/599
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1200/1103/1019/952/870/800/751/-
Output of Fan Motor W 20
Fan Motor RLA A 0.2
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter inch Ф1/4
Row-n Gap inch 2-19/32
Coil Length (LXDXW) inch 27 13/16X1X12
Swing Motor Model MP24HV/MP24AQ
Output of Swing Motor W 1.5/1.5
Fuse A 3.5
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 42/39/35/31/27/25/23
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) /
Dimension (WXHXD) inch 37 13/16X12 5/8X8
Dimension of Carton Box (LXWXH) inch 40 15/16X15 3/4X12 1/2
Dimension of Package (LXWXH) inch 41 1/16X15 7/8X13 1/8
Net Weight Ib 30.9
Gross Weight Ib 37.5

5
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit KW12HUCA4DO
Outdoor Unit Product Code CB264W01100_L74318
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXAT-B096zE070
Compressor Oil 68EP
Compressor Type Rotary
Compressor L.R.A. A 40
Compressor RLA 9.5
Compressor Power Input W 700
Overload Protector 1NT11L-6233/HPC115/95U1/KSD115ºC
Throttling Method Electron expansion valve
Operation temp ºF 61~86
Ambient temp (cooling) ºF 0~115
Ambient temp (heating) ºF -22~75
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ1/4
Rows-n Gap inch 2.5-1/16
Coil Length (LXDXW) inch 30X2 1/4X21 5/8
Fan Motor Speed rpm 850
Output of Fan Motor W 30
Fan Motor RLA A 0.36
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit CFM 1412
Fan Type Axial-ow
Fan Diameter inch Φ17 1/4
Defrosting Method Automatic Defrosting
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) 55/-/-
Sound Power Level (H/M/L) dB (A) /
Dimension (WXHXD) inch 35 3/8X23 1/2X14 7/8
Dimension of Carton Box (LXWXH) inch 37 3/16X16 7/16X24 13/16
Dimension of Package (LXWXH) inch 37 5/16X16 9/16X25 3/8
Net Weight Ib 97.0
Gross Weight Ib 103.6
Refrigerant R410A
Refrigerant Charge oz 49.4
Connection
Pipe
Length ft 24.6
Gas Additional Charge oz/ft 0.2
Outer Diameter Liquid Pipe inch 1/4
Outer Diameter Gas Pipe inch 1/2
Max Distance Height ft 32.8
Max Distance Length ft 65.6
Note:The connection pipe applies metric diameter.

6Technical Information
Service Manual
Model KW18HUCA4D
Product Code CB264000904_L74318
Power Supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) Btu/h 18000(4436~20472)
Heating Capacity(Min~Max) Btu/h 19000(3753~19107)
Cooling Power Input(Min~Max) W 1440(350~2400)
Heating Power Input(Min~Max) W 1800(350~2500)
Cooling Power Current A 6.3
Heating Power Current A 7.8
Rated Input W 2500
Rated Current A 10.8
Air Flow Volume(SH/H/MH/M/ML/L/SL) CFM 530/500/471/441/412/353/324
Dehumidifying Volume Pint/h 3.8
EER (Btu/h)/W 12.16
COP (Btu/h)/W 10.56
SEER 21
SCOP 10
Application Area yd227.51-40.66
Indoor Unit
Model of indoor unit KW18HUCA4DI
Indoor Unit Product Code CB264N00904_L74318
Fan Type Cross-ow
Diameter Length(DXL) inch Ф4 3/16X27 1/2
Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1450/1200/1100/930/800/700/650/600
Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1200/1100/1000/900/800/750/-
Output of Fan Motor W 20
Fan Motor RLA A 0.2
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter inch Ф1/4
Row-n Gap inch 2-19/32
Coil Length (LXDXW) inch 27 13/16X1X12
Swing Motor Model MP24HV/MP24AQ
Output of Swing Motor W 1.5/1.5
Fuse A 3.5
Sound Pressure Level (SH/H/MH/M/ML/L/SL) dB (A) 48/43/39/35/31/28/26
Sound Power Level (SH/H/MH/M/ML/L/SL) dB (A) /
Dimension (WXHXD) inch 37 13/16X12 5/8X8
Dimension of Carton Box (LXWXH) inch 40 15/16X15 3/4X12 1/2
Dimension of Package (LXWXH) inch 41 1/16X15 7/8X13 1/8
Net Weight Ib 30.9
Gross Weight Ib 37.5

7
Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit KW18HUCA4DO
Outdoor Unit Product Code CB264W00900_L74318
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD.
Compressor Model QXAT-D20zF030
Compressor Oil RB68EP
Compressor Type Rotary
Compressor L.R.A. A 30
Compressor RLA 14.5
Compressor Power Input W 2443
Overload Protector 1NT11L-6233/HPC115/95/KSD115ºC
Throttling Method Electron expansion valve
Operation temp ºF 61~86
Ambient temp (cooling) ºF 0~115
Ambient temp (heating) ºF -22~75
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter inch Φ1/4
Rows-n Gap inch 2-1/16
Coil Length (LXDXW) inch 37 13/16X3 7/16X29 7/16
Fan Motor Speed rpm 820
Output of Fan Motor W 90
Fan Motor RLA A 0.65
Fan Motor Capacitor μF /
Air Flow Volume of Outdoor Unit CFM 2354
Fan Type Axial-ow
Fan Diameter inch Φ21 5/8
Defrosting Method Automatic Defrosting
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) 59/-/-
Sound Power Level (H/M/L) dB (A) /
Dimension (WXHXD) inch 39 3/8X31 1/8X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 5/8X19 3/16X32 1/16
Net Weight Ib 141.1
Gross Weight Ib 152.1
Refrigerant R410A
Refrigerant Charge oz 70.6
Connection
Pipe
Length ft 24.6
Gas Additional Charge oz/ft 0.5
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.

8Technical Information
Service Manual
2.2 Operation Characteristic Curve
0
1
2
3
4
5
6
7
8
9
10
020406080 100 120
Condition
Indoor:DB81°F WB66°F
Indoor air flow: Super High
Pipe length:24.6 ft
Compressor Speed(rps)
0
1
2
3
4
5
6
7
8
020406080 100 120
Condition
Indoor:DB 68°F
Indoor air flow:Super High
Pipe length:24.6 ft
Compressor Speed(rps)
Cooling Heating
Current(A)
Current(A)
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Condition
Indoor:DB81°F WB66°F
Indoor air flow:
Turbo
Pipe length:5m
Outdoor temp. (°C)
Capacity ratio(%)
gnitaeHgnilooC
-20-15 -10-50 510
110
120
130
100
90
80
70
60
50
40
Outdoor temp.(°C)
Condition
Indoor:DB68°F
Indoor air flow:
Turbo
Pipe length:5m
09K/12K
18K
Cooling
Cooling
Heating
Heating
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 81°F
WB66 °F
Indoor air flow: Super High
Pipe length:24.6ft
Condition
Indoor:DB 68°F
Indoor air flow: Super High
Pipe length:24.6ft
Compressor Frequency(Hz) Compressor Frequency(Hz)
Current(A)
Current(A)

9
Technical Information
Service Manual
2.3 Capacity Variation Ratio According to Temperature
Cooling Heating
Capacity ratio(%)
Capacity ratio(%)
Outdoor temp(°F)
89.695 100.4 107.6 118.4
60
70
80
90
100
110
120
50
40 40
50
120
110
100
90
80
70
60
50
44.63217.6-22-45
Outdoor temp(°F)
Condition
Indoor:DB81°F WB66°F
Indoor air flow: Super High
Pipe length:24.6 ft
Condition
Indoor:DB 68°F
Indoor air flow:Super High
Pipe length:24.6 ft
2.4 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
(Hz)
Indoor Outdoor PSIG T1 (°F) T2 (°F)
81/66 95/75 09K/12K 123.2~145 in:46~52
out:52~57
in:122~176
out:99~109 Suprt High High 58
81/66 95/75 18K 130.5~159.5 54 to 57 176 to 104 Super High High 75
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
(Hz)
Indoor Outdoor P (MPa) T1 (°F) T2 (°F)
68/- 45/43 09K/12K 362.3~435 in:122~176
out:99~109
in:34~37
out:36~41 Super High High 56
68/60 17/16 18K 365.3~391.3 158 to 104 34 to 41 Super High High 75
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:

10 Technical Information
Service Manual
2.5 Noise Curve
45
50
35
40
30
20
25
Indoor side noise Outdoor side noise
09K/12K
09K/12K
18K
18K
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low
High Middle Low
40
42
44
46
48
50
52
54
20 4030 50 60 70 80
Compressor frequency(Hz)
Noise dB(A)
Noise dB(A)
Heating
Cooling
12K
09K
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
45
50
35
40
30
20
25
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low
High Middle Low
Noise dB(A)
18K

11
Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
125 148
Φ55
Φ55
2
3 1/8
Q
Q
W
3 1/2 27 7 5/16
D
H
Unit:inch
Model W H D Q
09K/12K 37 13/16 12 5/8 8 Φ2 3/16
18K 37 13/16 12 5/8 8 Φ2 3/4

12 Technical Information
Service Manual
3.2 Outdoor Unit
35 3/8
32 3/16
21 2/3
13 1/2
12
23 1/2
14 7/8
18K
Unit:inch
Unit:inch
14 9/16
31 1/8
16 13/16
15 9/16
39 3/8
24
36
09K/12K

13
Technical Information
Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid : 1/4"
Gas : 1/2" (09K/12K)
Gas : 5/8" (18K)
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EXCHANGE
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EXCHANGE
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LIQUID SIDE
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COOLING
HEATING
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14 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.
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63610000443

15
Technical Information
Service Manual
● Outdoor Unit
KW09HUCA4DO KW12HUCA4DO
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63610000445
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
KW18HUCA4DO
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63610000440

16 Technical Information
Service Manual
1
14
2
9
10
11
12
13
3
54678
5.2 PCB Printed Diagram
● Top view
Indoor Unit
● Bottom view
1Interface of neutral wire 5 Interface of DC motor 9 Interface of WIFI 13 Display interface
2Interface of live wire 6 Up&down swing 3 10 Interface of left&right
swing 14 Interface of communication wire for neutral wire and live wire
3Interface of fuse 7Tube temperature sensor 11 Up&down swing 2 / /
4Interface of jumper cap 8Ambient temperature sensor 12 Up&down swing 1 / /

17
Technical Information
Service Manual
● Top view
● Bottom view
Outdoor Unit
2
1
3
4
5
6
87
9
10
11
12
13 14 15
09K/12K