Cooper & Hunter CH-S12FTXE User manual

Change for Life
Service Manual
Models:
CH-S12FTXE Wi-Fi
CH-S18FTXE Wi-Fi
(Refrigerant:R410A)

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
2.2 Operation Characteristic Curve ........................................................................................7
2.3 Capacity Variation Ratio According to Temperature .........................................................7
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................8
2.5 Noise Curve......................................................................................................................9
3. Outline Dimension Diagram......................................................................10
3.1 Indoor Unit......................................................................................................................10
3.2 Outdoor Unit ...................................................................................................................11
4. Refrigerant System Diagram....................................................................12
5. Electrical Part.........................................................................................................13
5.1 Wiring Diagram...............................................................................................................13
5.2 PCB Printed Diagram .....................................................................................................16
6. Function and Control......................................................................................18
6.1 Remote Controller Introduction .....................................................................................18
6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ...................................22
6.3 Operation of Smart Control (Smart Phone, Tablet PC) .................................................35
6.4 Brief Description of Modes and Functions......................................................................48
Part Ⅱ: Installation and Maintenance .................................................57
7. Notes for Installation and Maintenance..........................................57
8. Installation................................................................................................................60
8.1 Installation Dimension Diagram......................................................................................60
8.2 Installation Parts-checking ............................................................................................62
8.3 Selection of Installation Location....................................................................................62
8.4 Electric Connection Requirement ..................................................................................62
8.5 Installation of Indoor Unit................................................................................................62
8.6 Installation of Outdoor Unit.............................................................................................65
8.7 Vacuum Pumping and Leak Detection ...........................................................................66
8.8 Check after Installation and Test Operation ...................................................................66

Service Manual
Table of Contents Table of Contents
9. Maintenance............................................................................................................67
9.1 Error Code List ...............................................................................................................67
9.2 Troubleshooting for Main Malfunction ............................................................................75
9.3 Troubleshooting for Normal Malfunction.........................................................................89
10. Exploded View and Parts List ..............................................................91
10.1 Indoor Unit....................................................................................................................91
10.2 Outdoor Unit ...............................................................................................................101
11. Removal Procedure.....................................................................................103
11.1 Removal Procedure of Indoor Unit .............................................................................103
11.2 Removal Procedure of Outdoor Unit ..........................................................................108
Appendix:......................................................................................................................112
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................112
Appendix 2: Conguration of Connection Pipe................................................................... 112
Appendix 3: Pipe Expanding Method .................................................................................113
Appendix 4: List of Resistance for Temperature Sensor ....................................................114

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model
CH-S12FTXE Wi-Fi
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 3200
Heating Capacity(Min~Max) W 3400
Cooling Power Input(Min~Max) W 997
Heating Power Input(Min~Max) W 942
Cooling Current Input A 4.50
Heating Current Input A 4.4
Rated Input W 1500
Rated Cooling Current A 7.2
Rated Heating Current A 7.7
Air Flow Volume(SH/H/M/L/SL) m3/h 560/480/410/290/-
Dehumidifying Volume L/h 1.4
EER W/W 3.21
COP W/W 3.61
SEER 6.1
SCOP 4
Application Area m215-22
Indoor
Unit
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф98X580
Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1050/750/-
Heating Speed(SH/H/M/L/SL) r/min 1350/1200/1050/850/-
Fan Motor Power Output W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length(LXDXW) mm 584X22.8X266.7
Swing Motor Model MP24AA
Swing Motor Power Output W 1.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M/L/SL) dB (A) 42/37/34/28/-
Sound Power Level(SH/H/M/L/SL) dB (A) 55/47/44/38/-
Dimension(WXHXD) mm 790X275X200
Dimension of Carton Box(LXWXH) mm 850X339X262
Dimension of Package(LXWXH) mm 852X355X273
Net Weight kg 9
Gross Weight kg 11

5
Technical Information
Service Manual
Model
CH-S18FTXE Wi-Fi
Product Code
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 4600
Heating Capacity(Min~Max) W 5000
Cooling Power Input(Min~Max) W 1430
Heating Power Input(Min~Max) W 1380
Cooling Current Input A 6.34
Heating Current Input A 6.12
Rated Input W 1860
Rated Cooling Current A 8.25
Rated Heating Current A 7.45
Air Flow Volume(SH/H/M/L/SL) m3/h 850/720/610/520/-
Dehumidifying Volume L/h 1.8
EER W/W 3.22
COP W/W 3.62
SEER 6.1
SCOP 4
Application Area m221-31
Indoor
Unit
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Ф106X706
Cooling Speed(SH/H/M/L/SL) r/min 1230/1130/1030/800/-
Heating Speed(SH/H/M/L/SL) r/min 1350/1200/1050/900/-
Fan Motor Power Output W /
Fan Motor RLA A 0.35
Fan Motor Capacitor μF 2.5
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Row-n Gap mm 2-1.4
Evaporator Coil Length(LXDXW) mm 715X25.4X304.8
Swing Motor Model MP35CJ
Swing Motor Power Output W 2.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/M/L/SL) dB (A) 45/41/37/33/-
Sound Power Level(SH/H/M/L/SL) dB (A) 58/53/50/45/-
Dimension(WXHXD) mm 970X300X224
Dimension of Carton Box(LXWXH) mm 1038X380X305
Dimension of Package(LXWXH) mm 1041X383X320
Net Weight kg 13.5
Gross Weight kg 16.5

7
Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
01020304050607090010 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
220V
230V
240V
220V
230V
240V
01020304050607090010 20 30 40 50 60 70 80 90 100
120
110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
220V
230V
240V
220V
230V
240V
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
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
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Cooling Heating
Cooling Heating
Cooling Heating
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(%)
Outdoor temp. (°C)
Capacity ratio(
%)
–15 –10 –5
110
100
90
80
70
60
50
40
05
710
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Heating operation ambient temperature range is -15ºC~24ºC

8Technical Information
Service Manual
32 33 34 35 36 37 38 39 43
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C)
Capacity ratio (%)
Outdoor temp.(oC)
30
40
50
60
70
80
90
100
110
120
-22-15 -10-507152
02
4
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Cooling
Heating
Heating operation ambient temperature range is -22ºC~24ºC
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(oC)
(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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
27/19 35/24
12K 0.8 ~ 1.1 11 to 14 38 to 41
Super High High
72
18K 0.8 ~ 1.0 12 to 14 80 to 40 52
Rated heating
condition(oC)
(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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (oC) T2 (oC)
20/15 7/6
12K 2.8 ~ 3.2 38 to 41 2 to 5
Super High High
77
18K 2.2 ~ 2.4 70 to 40 1 to 5 65
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: 5 m.
Cooling:
Heating:

9
Technical Information
Service Manual
2.5 Noise Curve
Indoor side noise
60
50
40
30
20
10
0
Indoor Fan Motor Rotating Speed
Noice/dB(A)
low Middle High Super High
Outdoor side noise
Compressor frequency/Hz
Noise/dB(A)
70
60
50
40
30
02040608
0100
20
18K12K

10 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
104 685 181
140
190
38
Φ55 Φ55
38
90
150
54
168.5 462 159.5
Φ55 Φ55
54
W
D
H
12K
18K
Models W H D
12K 790 275 200
18K 970 300 224

11
Technical Information
Service Manual
3.2 Outdoor Unit
Unit:m
m
540
297
842 257
320
596
763

12 Technical Information
Service Manual
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer CapillaryStrainer
Accumlator
Compressor
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)
Cooling and heating model

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.
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CH-S18FTXE Wi-Fi

14 Technical Information
Service Manual
● Outdoor Unit
6363222004
CH-S12FTXE Wi-Fi, CH-S18FTXE Wi-Fi
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CH-S12FTXE Wi-Fi

15
Technical Information
Service Manual
CH-S18FTXE Wi-Fi

16 Technical Information
Service Manual
5.2 PCB Printed Diagram
Indoor Unit
● Top view
● Bottom view
1 Neutral wire terminal
2Interface of health function neutral wire
3Motor needle stand
4Interface of health function live wire
5Auto button
6 Up&down swing motor
7Interface of up & down swing motor
8WIFI
Fuse
9 Temperature sensor
10 Terminal for display board connection
11 Jump
12 Terminal with outdoor unit communicatio
n
wire
13
14
Live wire terminal
12 34
567
8
9
11
12
13
14
10

17
Technical Information
Service Manual
NO NAME
1
Interface of electronic expansion valve
2Overload interface of compressor
3Terminal of DRED
4Interface of temperature sensor
5Main board of IC
6Eeprom
7Interface of compressor wire
WVU
8Reactor wiring terminal
9DRED Live wire interface
10 Interface of electric heating
11 4-way valve terminal
12 DRED Interface of netural wire
13 Terminal of outdoor fan
14 Interface of earthing wire
15 Live wire interface
16 Neutral wire terminal
17 Communication wire
1
2
3
4
5
6
7
8
910 11
12
13
14
15
16
17
Outdoor Unit
● Top view
● Bottom view

18 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
▲
Note:
● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the
model doesnt have, if press the corresponding button on the remote controller that the unit will keep the original running status.
● 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.
WIFI
Send signal
Turbo mode
8℃ heating function
Set temperature
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
WIFI
WIFI

19
Technical Information
Service Manual
Press this button to turn on the unit. Press this button again to turn off the unit.
Press this button to increase set temperature. Holding it down above 2 seconds rapidly increases set temperature.
In AUTO mode, set temperature is not adjustable.
AUTO
COOL DRY FAN HEAT*
OFF
Caution:

20 Technical Information
Service Manual
Combination “MODE” and “TURBO” buttons：
Press "MODE" and "TURBO" button simultaneously to turn on or turn off WIFI function. When WIFI function is turned on,
the " " icon will be displayed on remote controller; Long press "MODE" and "TURBO" buttons simultaneously for 10s,
remote controller will send WIFI reset code and then the WIFI function will be turned on. WIFI function is defaulted ON
after energization of the remote controller.
12.TURBO button
About WIFI fuction