Gree GWH18TC-S3DNA1D User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models:GWH18TC-S3DNA1D
GWH18TC-S3DNA2D
GWH24TD-S3DNA1D
(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 ........................................................................................6
2.3 Capacity Variation Ratio According to Temperature .........................................................6
2.4 Noise Curve......................................................................................................................7
2.5 Cooling and Heating Data Sheet in Rated Frequency .....................................................7
3. Outline Dimension Diagram........................................................................8
3.1 Indoor Unit........................................................................................................................8
3.2 Outdoor Unit .....................................................................................................................9
4. Refrigerant System Diagram....................................................................10
5. Electrical Part.........................................................................................................11
5.1 Wiring Diagram...............................................................................................................11
5.2 PCB Printed Diagram .....................................................................................................14
6. Function and Control......................................................................................17
6.1 Remote Controller Introduction .....................................................................................17
6.2 Operation of Smart Control (Smart Phone, Tablet PC) ..................................................23
6.3 Operation of Smart Control (Smart Phone, Tablet PC) For Gree ...................................34
6.4 Brief Description of Modes and Functions......................................................................45
Part Ⅱ: Installation and Maintenance .................................................53
7. Notes for Installation and Maintenance..........................................53
8. Installation................................................................................................................55
8.1 Installation Dimension Diagram......................................................................................55
8.2 Installation Parts-checking ............................................................................................57
8.3 Selection of Installation Location....................................................................................57
8.4 Electric Connection Requirement...................................................................................57
8.5 Installation of Indoor Unit................................................................................................57
8.6 Installation of Outdoor Unit.............................................................................................60
8.7 Vacuum Pumping and Leak Detection ...........................................................................61
8.8 Check after Installation and Test Operation ...................................................................61

Service Manual
Table of Contents
9. Maintenance............................................................................................................62
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ......................................62
9.2 Procedure of Troubleshooting ........................................................................................65
9.3 Troubleshooting for Normal Malfunction.........................................................................82
10. Exploded View and Parts List ..............................................................84
10.1 Indoor Unit....................................................................................................................84
10.2 Outdoor Unit .................................................................................................................89
11. Removal Procedure.......................................................................................93
11.1 Removal Procedure of Indoor Unit ...............................................................................93
11.2 Removal Procedure of Outdoor Unit ..........................................................................107
Appendix:......................................................................................................................118
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................118
Appendix 2: Conguration of Connection Pipe................................................................... 118
Appendix 3: Pipe Expanding Method .................................................................................119
Appendix 4: List of Resistance for Temperature Sensor ....................................................120

1
Service Manual
Technical Information
1. Summary
Indoor Unit:
Part Ⅰ: Technical Information
Outdoor Unit:
GWH24TD-S3DNA1D/O
GWH18TC-S3DNA1D/O
GWH18TC-S3DNA1D/I
GWH24TD-S3DNA1D/I
GWH18TC-S3DNA2D/I
Remote Controller:
YAC1FB

2Technical Information
Service Manual
Model GWH18TC-S3DNA1D GWH18TC-S3DNA2D
Product Code
CB148008603
CB148008605
CB148008604
CB411003103
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50/60 50/60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity (Min~Max) W 5300(1000~6300) 5300(1000~6300)
Heating Capacity (Min~Max) W 5400(1000~6800) 5400(1000~6800)
Cooling Power Input (Min~Max) W 1514(400~2450) 1514(400~2450)
Heating Power Input (Min~Max) W 1450(400~2500) 1450(400~2500)
Cooling Current Input A 8.75 8.75
Heating Current Input A 8.54 8.54
Rated Input W 2500 2500
Rated Cooling Current A 13.7 13.7
Rated Heating Current A 14.0 14.0
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 950/870/790/710/630/560/480 950/870/790/710/630/560/480
Dehumidifying Volume L/h 1.8 1.8
EER W/W 3.5 3.5
COP W/W 3.7 3.7
SEER 6.4 6.4
HSPF / /
Application Area m223-34 23-34
Indoor Unit
Indoor Unit Model GWH18TC-S3DNA1D/I GWH18TC-S3DNA2D/I
Indoor Unit Product Code
CB148N08603
CB148N08605
CB148N08604
CB411N03103
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ100X765 Φ100X765
Cooling Speed(SH/H/MH/M/ML/L/SL) r/min 1250/1150/1050/950/850/750/650 1200/1150/1050/950/850/750/650
Heating Speed(SH/H/MH/M/ML/L/SL) r/min 1300/1200/1100/1000/900/800/700 1350/1200/1100/1000/900/800/700
Fan Motor Power Output W 25 25
Fan Motor RLA A 0.1 0.1
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7 Φ7
Evaporator Row-n Gap mm 2-1.5 2-1.5
Evaporator Coil Length (LXDXW) mm 765X25.4X342.9 765X25.4X342.9
Swing Motor Model MP28VC/MP24AA MP28VC/MP24AA
Swing Motor Power Output W2/1.5 2/1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/SL) dB (A) 46/44/42/40/38/36/34 46/44/42/40/38/36/34
Sound Power Level
(SH/H/MH/M/ML/L/SL) dB (A) 58/56/54/52/50/48/46 58/56/54/52/50/48/46
Dimension (WXHXD) mm 1018X319X230 1018X319X230
Dimension of Carton Box (LXWXH) mm 1094X394X325 1094X394X325
Dimension of Package (LXWXH) mm 1097X397X340 1097X397X340
Net Weight kg 14 14
Gross Weight kg 17 17
2. Specications
2.1 Specication Sheet

3
Service Manual
Technical Information
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH18TC-S3DNA1D/O
Outdoor Unit Product Code CB148W08600
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B141zF030A
Compressor Oil 68EP
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 7.2
Compressor Power Input W 1440
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range °C 16~30
Cooling Operation Ambient Temperature
Range °C -15~43
Heating Operation Ambient Temperature
Range °C -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ9.52
Condenser Rows-n Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 812.5X44X660
Fan Motor Speed rpm 800
Fan Motor Power Output W 60
Fan Motor RLA A 0.58
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-ow
Fan Diameter mm Φ520
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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 (H/M/L) dB (A) 56/-/-
Sound Power Level (H/M/L) dB (A) 65/-/-
Dimension (WXHXD) mm 955X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package (LXWXH) mm 1029X458X750
Net Weight kg 47.5
Gross Weight kg 52
Refrigerant R410A
Refrigerant Charge kg 1.6
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 50
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ16
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.

4Technical Information
Service Manual
Model GWH24TD-S3DNA1D
Product Code CB148008703 CB148008704
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50/60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity (Min~Max) W 7000(2000~8600)
Heating Capacity (Min~Max) W 7300(1900~9000)
Cooling Power Input (Min~Max) W 2000(450~3200)
Heating Power Input (Min~Max) W 1960(380~3200)
Cooling Current Input A 8.9
Heating Current Input A 9.63
Rated Input W 3200
Rated Cooling Current A 13.3
Rated Heating Current A 14.2
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 1200/1130/1060/990/920/850/780
Dehumidifying Volume L/h 2.5
EER W/W 3.5
COP W/W 3.7
SEER 6.3
HSPF /
Application Area m232-50
Indoor Unit
Indoor Unit Model GWH24TD-S3DNA1D/I
Indoor Unit Product Code CB148N08703 CB148N08704
Fan Type Cross-ow
Fan Diameter Length(DXL) mm Φ106X890
Cooling Speed(SH/H/MH/M/ML/L/SL) r/min 1400/1300/1200/1100/1000/850/750
Heating Speed(SH/H/MH/M/ML/L/SL) r/min 1400/1300/1200/1100/1000/850/750
Fan Motor Power Output W 60
Fan Motor RLA A 0.24
Fan Motor Capacitor μF /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 2-1.5
Evaporator Coil Length (LXDXW) mm 903X25.4X381
Swing Motor Model MP35CJ/MP24HB/MP24HC
Swing Motor Power Output W2.5/1.5/1.5
Fuse Current A 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/SL) dB (A) 51/50/46/44/42/40/37
Sound Power Level
(SH/H/MH/M/ML/L/SL) dB (A) 65/62/58/56/54/52/49
Dimension (WXHXD) mm 1178X326X264
Dimension of Carton Box (LXWXH) mm 1253X411X349
Dimension of Package (LXWXH) mm 1256X414X364
Net Weight kg 17
Gross Weight kg 21

5
Service Manual
Technical Information
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor
Unit
Outdoor Unit Model GWH24TD-S3DNA1C/O
Outdoor Unit Product Code CB148W08700
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO,LTD.
Compressor Model QXAS-D23zX090A
Compressor Oil FV50S
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 11.5
Compressor Power Input W 2550
Compressor Overload Protector 1NT11L-6233
Throttling Method Electron expansion valve
Set Temperature Range °C 16~30
Cooling Operation Ambient Temperature
Range °C -15~43
Heating Operation Ambient Temperature
Range °C -20~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94
Condenser Rows-n Gap mm 3-1.4
Condenser Coil Length (LXDXW) mm 960X87.15X748
Fan Motor Speed rpm 820
Fan Motor Power Output W 90
Fan Motor RLA A 0.28
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 4000
Fan Type Axial-ow
Fan Diameter mm Φ552
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
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 (H/M/L) dB (A) 58/-/-
Sound Power Level (H/M/L) dB (A) 68/-/-
Dimension (WXHXD) mm 980X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855
Net Weight kg 65
Gross Weight kg 70
Refrigerant R410A
Refrigerant Charge kg 2.3
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 50
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ16
Max Distance Height m 10
Max Distance Length m 25
Note: The connection pipe applies metric diameter.

6Technical Information
Service Manual
Capacity ratio(%)
Outdoor Temp.(°C)
0
20
40
60
80
100
120
31 33 35 37 39 41 43 45 47
• Conditions
Indoor: DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Capacity ratio(%)
Outdoor Temp.(°C)
20
40
60
80
100
120
-20-15 -10-5
051
0
• Conditions
Indoor: DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Capacity ratio(%)
–15 –10 –5
110
100
90
80
70
60
50
40
07510
Outdoor temp.(°C)
• Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length:5m
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Cooling: Heating:
Current(A)
Compressor Speed (rps)
12010080604020
Compressor Speed (rps)
Current(A)
13
11
9
7
5
3
1
120
10080604020
13
11
9
7
5
3
1
• 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
230V 230V
Cooling:
Heating:

7
Service Manual
Technical Information
2.5 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°C)
(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 (MPa) T1 (°C) T2 (°C)
27/19 35/24 All models 0.9~1.0 in:8~11
out:11~14
in:75~83
out:37~48 Super High High 75
Rated heating
condition(°C)
(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 (MPa) T1 (°C) T2 (°C)
20/15 7/6 All models 2.2~2.4 in:75~83
out:37~45
in:1~3
out:2~6 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: 5 m.
Cooling:
Heating:
2.4 Noise Curve
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90
100
Compressor frequency(Hz)
Noise dB(A)
Heating
24K
Cooling
18K
30
35
40
45
50
SL LMLMMH HSH
Indoor fan motor rating speed
Noise/dB(A)
Indoor side noise Outdoor side noise

8Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Model W H D
18K 1018 319 230
24K 1178 326 264
130 100
50
178 747 253
Φ70 Φ70
144 685 189
55
44
Φ70
13
55
Φ70
119
W
H
D
18K
24K

9
Service Manual
Technical Information
3.2 Outdoor Unit
955
890340
396
364
700
560
Unit:mm
Unit:mm
920
980
427
370
790
610
395
GWH24TD-S3DNA1D/O
GWH18TC-S3DNA1D/O

10 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)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Strainer
Electron
expansion
valve
Capillary
Connection pipe specication:
Liquid pipe:1/4" (6mm)
Gas pipe:5/8" (16mm)

11
Service Manual
Technical Information
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.
GWH18TC-S3DNA1D/I GWH18TC-S3DNA2D/I
UP-DOWNUP-DOWN
M4
M3
SWING-UD2SWING-UD1
AP2
CAP
JUMP
CONNECTOR
CLEAN
ELECTROSTATIC
DEDUSTING
YEGN
BN
BK
BU
GENERATOR
6361000023204
COLD PLASMA
WH
BK
CONNECTOR
PE
BLOCK
TERMINAL
RD BU
HEALTH-L HEALTH-N
PRINTED CIRCUIT BOARD
X10
SWITCH
SA
C.
X2
NO.
3
2
N(1)
CONNECTING
CABLE
X1
EVAPORATOR
AC-L
N
COM-OUT
XT1
YEGN
YEGN
PE
OUTDOOR UNIT
Please don't touch any electronic component or terminal
when the machine is running,stopping or has been powered
off for less than 3 minutes to prevent electric shock !
STEPPING
MOTOR STEPPING
MOTOR
COM-INNER1
WIFI MODULE
WIFI
AP4
CONNECTOR
BN
BK
BU
WARNING
CONNECTOR
DC-MOTOR
θθ
DISPLAY BOARD
RECEIVER AND
RT1 RT2
TEMP.SENSOR
ROOM TUBE
TEMP.SENSOR
FAN MOTOR
TUBEROOM
M1
DISP1DISP2
AP1
SWING-LR
M2
LEFT-RIGHT
STEPPING MOTOR
Wired Controller
AP3

12 Technical Information
Service Manual
● Outdoor Unit
GWH18TC-S3DNA1D/O
Please don't touch any
terminal when the voltage
of terminal P(DC+) and
N(DC-) at AP1 is higher
than 30V to prevent the
risk of electric shock !
WARNING
COM_INNER
N1
AC_L
RD
BAND
HEATER
BOTTOM
RD
EH
HEAT_B
NL
YEGN
BU
PE
N
L
N(1)
2
3
BN
BK
BU
XT
INDOOR UNIT
L1
RING
BK
BN
BU
BN
BU
YEGN
BLOCK
TERMINAL
PE
MAGNETIC
L1
L1
POWER
6361000021801
BN
L3
PRINTED CIRCUIT BOARD
PE
YEGN
FAN MOTOR
4WAY OFANFA
VTVT
VALVE
4YV
4-WAY
M1 PE
EKV
Electronic
Expansion
Valve
PE
YEGN
PE
AP1
T_SENSOR
W(RD)V(YE)U(BU)
OVC_COMP
15K 50K20K
θ
θ
θ
COMP.
W
V
U
L2 L2
RING
MAGNETIC
L2
OVERLOAD PROTECTOR
YEGN
YEBU RD
PE
PE
RT1 RT2 RT3
RD
WHWH
SAT
COMP
X1
YEBU
WH BK
TEMP.SENSOR OUTTUBE OUTROOM TEMP.SENSOR EXHAUST TEMP.SENSOR
GWH24TD-S3DNA1D/I
UP-DOWNUP-DOWN
M4
M3
SWING-UD2SWING-UD1
AP2
CAP
JUMP
CONNECTOR
CLEAN
ELECTROSTATIC
DEDUSTING
YEGN
BN
BK
BU
GENERATOR 6361000023208
COLD PLASMA
WH
BK
CONNECTOR
PE
BLOCK
TERMINAL
RD BU
HEALTH-L HEALTH-N
PRINTED CIRCUIT BOARD
X10
SWITCH
SA
C.
X2
NO.
3
2
N(1)
CONNECTING
CABLE
X1
BU
BK
BN
EVAPORATOR
AC-L
N
COM-OUT
XT1
YEGN
YEGN
PE
OUTDOOR UNIT
Please don't touch any electronic component or terminal
when the machine is running,stopping or has been powered
off for less than 3 minutes to prevent electric shock !
STEPPING
MOTOR STEPPING
MOTOR
CONNECTOR
COM-INNER1
DC-MOTOR
θθ
DISPLAY BOARD
RECEIVER AND
RT1 RT2
TEMP.SENSOR
ROOM TUBE
TEMP.SENSOR
FAN MOTOR
TUBEROOM
M1
DISP1DISP2
AP1
SWING-LR
M2
LEFT-RIGHT
STEPPING MOTOR
Wired Controller
AP3
WIFI MODULE
WIFI
AP4
CONNECTOR
L1
L1
L1
L1
WARNING

13
Service Manual
Technical Information
GWH24TD-S3DNA1D/O
Please don't touch any
electronic component or
terminal when the machine is
running , stopping or has
been powered off for less
than 30 minutes to prevent
the risk of electric shock !
WARNING
COM-INNER
N1
AC_L
NL
YEGN
BU
PE
N
L
N(1)
2
3
BN
BK
BU
XT
INDOOR UNIT
L1
RING
BK
BN
BU
BN
BU
BLOCK
TERMINAL
MAGNETIC
L1
L1
POWER
6361000007501
BN
T-SENSOR
θ
θ
θ
COMP.
L3
W
V
U
PRINTED CIRCUIT BOARD
PE
YEGN
FAN MOTOR
4WAY OFANFA
VTVT
VALVE
4YV
4-WAY
M1 PE
EKV
Electronic
Expansion
Valve
PE
YEGN
PE
L2 L2
RING
MAGNETIC
L2
OVERLOAD PROTECTOR
YEGN
W(RD)V(YE)U(BU)
YEBU RD
PE
PE
RT1 RT2 RT3
RD
OVC-COMP
WHWH
SAT
COMP
X1
YEBU
WH BK
TEMP.SENSOR OUTTUBE
OUTROOM TEMP.SENSOR EXHAUST TEMP.SENSOR
AP1
HEAT-B
EH
RD
BOTTOM
HEATER
BAND
RD
50K15K20K
YEGN
PE
The above data is subject to change without notice. Please refer to the nameplate of the unit.

14 Technical Information
Service Manual
5.2 PCB Printed Diagram
● Top view
● Bottom view
Indoor Unit
1
2
3
4
5 6 7 8 9
10
11
12
13
14
151617181920
1Grounding wire
2Interface of health function
live wire
3Interface of health function
neutral wire
4Neutral wire
5 Interface of DC motor
6Interface of electrostatuc
dedusting
7Auto button
8 Up&down swing interface 1
9eft&right swing interface
10 Up&down swing interface 2
11 Interface of DRED
12 Interface of IC-DOOR
13 Interface of WiFi
14 Display interface
15 Interface of ambient
temperature sensor
16 Interface of tube temperature
sensor
17 Jumper cap
18 Communication interface
19 Live wire interface
20 Fuse

15
Service Manual
Technical Information
● Top view
● Bottom view
Outdoor Unit
18K
No. Name
1Terminal of compressor
overload protection
2Terminal of temperature
sensor
3Terminal of electronic
expansion valve
4Terminal of outdoor fan
5Terminal of 4-way valve
6Terminal of
compressorelectric heating
7Terminal of chassis electric
heating
8Terminal of indoor unit and
outdoor unit communication
9Power supply live wire
10 Earthing wire
11 Power supply neutral wire
12345
6
7
8
9
10
11

16 Technical Information
Service Manual
● Top view
● Bottom view
24K
No. Name
1Power supply neutral
wire
2Power supply live wire
3Communication wire
with indoor unit
4Terminal of outdoor
temperature sensor
5Terminal of compressor
overload protection
6Terminal of electronic
expansion valve
7Terminal of outdoor fan
8Terminal of compressor
electric heating
9Terminal of 4-way valve
10 Terminal of compressor
wire
11 Terminal of chassis
electric heating
12
Terminal of low ambient
temperature cooling
temperature sensor
13 Terminal of high
pressure protection
14 Terminal of low pressure
protection
15 Terminal of 2-way valve
16 Earthing wire
1
10
2
16
3
11
15987654141312

17
Service Manual
Technical Information
6. Function and Control
6.1 Remote Controller Introduction
Buttons on Remote Controller
Introduction for icons on display screen
Introduction for buttons on remote controller
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.
6
3
7
9
11
13
15
12
14
16
10
8
5
4
2
1
1ON/OFF button
2MODE button
3FAN button
4TURBO button
6 button
7 button
9I FEEL button
14 LIGHT button
15 button
16 TEMP button
11 CLOCK button
12 QUIET button(This function is unavailable for this
model)
13 X-FAN button
10 TIMER ON / TIMER OFF button
8SLEEP button
5▲/ button
▲
Send signal
Turbo mode
8℃ heating function
Set temperature
Set time
X-FAN function
WiFi
TIMER ON /TIMER OFF
Child lock
Up & down swing
Left & right 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
Healthy mode
Scavenging functions
Quiet