Gree GWC09MA-K3NNC3D User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWC09MA-K3NNA3D
GWC09MA-K3NNC3D
GWC09MA-K3NNC9D
GWC09MA-K3NND3D
GWC09MA-K3NNA4F
GWH09MA-K3NNA4G
GWC09MA-K3NNA5F
GWH09MA-K3NNA5F
GWC09MA-K3NNA9F
GWH09MA-K3NNA9F
GWC09MA-K3NNB3F
GWH09MA-K3NNB3F
(Refrigerant R410A)

Service Manual
Technical Information
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
2.2 Capacity Curve in Different Outdoor Temperature ...........................................................9
2.3 Cooling and Heating Data Sheet in Rated Frequency .....................................................9
3. Outline Dimension Diagram......................................................................10
3.1 Indoor Unit......................................................................................................................10
3.2 Outdoor Unit ...................................................................................................................11
4. Refrigerant System Diagram....................................................................12
5. Electrical Part.........................................................................................................14
5.1 Wiring Diagram...............................................................................................................14
5.2 PCB Printed Diagram .....................................................................................................17
6. Function and Control......................................................................................18
6.1 Remote Controller Introduction .....................................................................................18
6.2 Brief Description of Modes and Functions......................................................................22
Part Ⅱ: Installation and Maintenance .................................................27
7. Notes for Installation and Maintenance..........................................27
8. Installation................................................................................................................29
8.1 Installation Dimension Diagram......................................................................................29
8.2 Installation Parts-checking ............................................................................................31
8.3 Selection of Installation Location....................................................................................31
8.4 Requirements Forelectric Connection ............................................................................31
8.5 Installation of Indoor Unit................................................................................................31
8.6 Installation of Outdoor Unit.............................................................................................34
8.7 Vacuum Pumping and Leak Detection ...........................................................................35
8.8 Check after Installation and Test Operation ...................................................................35

Service Manual
Technical Information
9. Maintenance............................................................................................................36
9.1 Error Code......................................................................................................................36
9.2 Procedure of Troubleshooting ........................................................................................37
9.3 Maintenance Method for Normal Malfunction.................................................................42
10. Exploded View and Parts List ..............................................................44
10.1 Indoor Unit....................................................................................................................44
10.2 Outdoor Unit .................................................................................................................51
11. Removal Procedure.......................................................................................55
11.1 Removal Procedure of Indoor Unit ...............................................................................55
11.2 Removal Procedure of Outdoor Unit ............................................................................60
Appendix:........................................................................................................................68
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................68
Appendix 2: Conguration of Connection Pipe.....................................................................68
Appendix 3: Pipe Expanding Method ...................................................................................69
Appendix 4: List of Resistance for Temperature Sensor ......................................................70

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWC09MA-K3NNA3D/I
GWC09MA-K3NNA5F/I
GWH09MA-K3NNA5F/I
GWC09MA-K3NNB3F/I
GWH09MA-K3NNB3F/I
GWC09MA-K3NNA9F/I
GWH09MA-K3NNA9F/I
GWC09MA-K3NNC3D/I
GWC09MA-K3NNA4F/I
GWH09MA-K3NNA4G/I
GWC09MA-K3NND3D/I
Part Ⅰ: Technical Information
Outdoor Unit:
GWC09MA-K3NNE1D/O
GWC09MA-K3NNA5F/O

2Technical Information
Service Manual
Remote Controller:
YB1FA(MOTO) ON OFF/ MODE
FAN
CLOCKTIMERON
X-FANTEMP
TIMER OFF
TURBOSLEEP LIGHT
GWH09MA-K3NNA5F/O

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model 1.GWC09MA-K3NNA3D 2.GWC09MA-K3NNC3D
3.GWC09MA-K3NND3D 4.GWC09MA-K3NNC9D
Product Code 1.CA171023901 2.CA136010001 3.CA405009001 4.CA145006701
Power
Supply
Rated Voltage V ～220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 2600
Heating Capacity W /
Cooling Power Input W 920
Heating Power Input W /
Cooling Power Current A 4.27
Heating Power Current A /
Rated Input W 1200
Rated Current A 5.57
Air Flow Volume(SH/H/M/L/SL) m3/h 500/440/370/300/-
Dehumidifying Volume L/h 0.8
EER W/W 2.83
COP W/W /
SEER W/W /
HSPF W/W /
Application Area m212-18
Indoor
Unit
Model of indoor unit 1.GWC09MA-K3NNA3D/I 2.GWC09MA-K3NNC3D/I
3.GWC09MA-K3NND3D/I 4.GWC09MA-K3NNC9D/I
Indoor Unit Product Code 1.CA171N23901 2.CA136N10000 3.CA405N09000 4.CA145N06700
Fan Type Cross-ow
Diameter Length(DXL) mm Φ85X596
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1260/1050/920/730/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min /
Output of Fan Motor W 10
Fan Motor RLA A 0.1
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 581X25.4X264
Swing Motor Model MP24AA
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 39/36/33/30/-
Sound Power Level (SH/H/M/L/SL) dB (A) 49/46/43/40/-
Dimension (WXHXD) mm 790X265X174
Dimension of Carton Box (LXWXH) mm 870X248X355
Dimension of Package(LXWXH) mm 873X251X370
Net Weight kg 9
Gross Weight kg 12/11.5/11.5/10.5

4Technical 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 GWC09MA-K3NNE1D/O
Outdoor Unit Product Code CA143W04901
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-B102C130
Compressor Oil RB68EP
Compressor Type Rotary
L.R.A. A 17
Compressor RLA A 3.9
Compressor Power Input W 850
Overload Protector Internal
Throttling Method Capillary
Operation Temp ℃16~30
Ambient Temp (Cooling) ℃18~43
Ambient Temp (Heating) ℃/
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 666X12.7X400
Fan Motor Speed rpm 950
Output of Fan Motor W 20
Fan Motor RLA A 0.37
Fan Motor Capacitor μF 1.5
Air Flow Volume of Outdoor Unit m3/h 1200
Fan Type Axial-ow
Fan Diameter mm Φ320
Defrosting Method /
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) 50/-/-
Sound Power Level (H/M/L) dB (A) 60/-/-
Dimension (WXHXD) mm 720X428X310
Dimension of Carton Box (LXWXH) mm 765X350X475
Dimension of Package(LXWXH) mm 768X353X490
Net Weight kg 25
Gross Weight kg 29
Refrigerant R410A
Refrigerant Charge kg 0.56
Connection
Pipe
Length m 5
Gas Additional Charge g/m 15
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

5
Technical Information
Service Manual
Model 1.GWC09MA-K3NNA4F 2.GWC09MA-K3NNA5F
3.GWC09MA-K3NNA9F 4.GWC09MA-K3NNB3F
Product Code 1.CA161012900 2.CA162017700 3.CA182006000 4.CA163013000
Power
Supply
Rated Voltage V ～220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 2650
Heating Capacity W /
Cooling Power Input W 803
Heating Power Input W /
Cooling Power Current A 3.65
Heating Power Current A /
Rated Input W /
Rated Current A 5.33
Air Flow Volume(SH/H/M/L/SL) m3/h 500/450/400/350/-
Dehumidifying Volume L/h 0.8
EER W/W 3.3
COP W/W /
SEER W/W /
HSPF W/W /
Application Area m212-18
Indoor
Unit
Model of indoor unit 1.GWC09MA-K3NNA4F/I 2.GWC09MA-K3NNA5F/I
3.GWC09MA-K3NNA9F/I 4.GWC09MA-K3NNB3F/I
Indoor Unit Product Code 1.CA161N12900 2.CA162N17700 3.CA182N06000 4.CA163N13000
Fan Type Cross-ow
Diameter Length(DXL) mm Φ85X596
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1150/980/750/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min /
Output of Fan Motor W 20
Fan Motor RLA A 0.09
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 578X22.8X266.7
Swing Motor Model MP24AA
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 39/35/32/25/-
Sound Power Level (SH/H/M/L/SL) dB (A) 49/45/42/35/-
Dimension (WXHXD) mm 790X265X174
Dimension of Carton Box (LXWXH) mm 870X248X355
Dimension of Package(LXWXH) mm 873X251X370
Net Weight kg 9
Gross Weight kg 10.5

6Technical 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 GWC09MA-K3NNA5F/O
Outdoor Unit Product Code CA162W17700
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-B098E030
Compressor Oil RB68EP;FCV68D
Compressor Type Rotary
L.R.A. A 18.5
Compressor RLA A 3.6
Compressor Power Input W 800
Overload Protector Internal
Throttling Method Throttle
Operation Temp ℃16~30
Ambient Temp (Cooling) ℃18~43
Ambient Temp (Heating) ℃/
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 655X19.05X396
Fan Motor Speed rpm 950
Output of Fan Motor W 20
Fan Motor RLA A 0.25
Fan Motor Capacitor μF 1.5
Air Flow Volume of Outdoor Unit m3/h 1200
Fan Type Axial-ow
Fan Diameter mm Φ320
Defrosting Method /
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) 48/-/-
Sound Power Level (H/M/L) dB (A) 58/-/-
Dimension (WXHXD) mm 720X428X310
Dimension of Carton Box (LXWXH) mm 765X350X475
Dimension of Package(LXWXH) mm 768X353X490
Net Weight kg 25.5
Gross Weight kg 27.5
Refrigerant R410A
Refrigerant Charge kg 0.66
Connection
Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

7
Technical Information
Service Manual
Model 1.GWH09MA-K3NNA4G 2.GWH09MA-K3NNA5F
3.GWH09MA-K3NNA9F 4.GWH09MA-K3NNB3F
Product Code 1.CA161012800 2.CA162017600 3.CA182006100 4.CA163013100
Power
Supply
Rated Voltage V ～220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Indoor
Cooling Capacity W 2700
Heating Capacity W 2785
Cooling Power Input W 818
Heating Power Input W 743
Cooling Power Current A 3.72
Heating Power Current A 3.38
Rated Input W 1200
Rated Current A 5.23
Air Flow Volume(SH/H/M/L/SL) m3/h 500/450/400/350/-
Dehumidifying Volume L/h 0.8
EER W/W 3.3
COP W/W 3.75
SEER W/W /
HSPF W/W /
Application Area m212-18
Indoor
Unit
Model of indoor unit 1.GWH09MA-K3NNA4G/I 2.GWH09MA-K3NNA5F/I
3.GWH09MA-K3NNA9F/I 4.GWH09MA-K3NNB3F/I
Indoor Unit Product Code 1.CA161N12800 2.CA162N17600 3.CA182N06100 4.CA163N13100
Fan Type Cross-ow
Diameter Length(DXL) mm Φ85X596
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1210/1000/800/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1350/1250/1100/950/-
Output of Fan Motor W 20
Fan Motor RLA A 0.09
Fan Motor Capacitor μF 1
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 578X22.8X266.7
Swing Motor Model MP24AA
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 39/35/32/25/-
Sound Power Level (SH/H/M/L/SL) dB (A) 49/45/42/35/-
Dimension (WXHXD) mm 790X265X174
Dimension of Carton Box (LXWXH) mm 870X248X355
Dimension of Package(LXWXH) mm 873X251X370
Net Weight kg 9
Gross Weight kg 10.5

8Technical 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 GWH09MA-K3NNA5F/O
Outdoor Unit Product Code CA162W17600
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD.
Compressor Model QXA-B098E050
Compressor Oil RB68EP;FCV68D
Compressor Type Rotary
L.R.A. A 18.5
Compressor RLA A 3.6
Compressor Power Input W 795
Overload Protector Internal
Throttling Method Throttle
Operation Temp ℃16~30
Ambient Temp (Cooling) ℃18~43
Ambient Temp (Heating) ℃-7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Rows-n Gap mm 1-1.4
Coil Length (LXDXW) mm 730X12.7X495
Fan Motor Speed rpm 850
Output of Fan Motor W 35
Fan Motor RLA A 0.37
Fan Motor Capacitor μF 2.5
Air Flow Volume of Outdoor Unit m3/h 1600
Fan Type Axial-ow
Fan Diameter mm Ф394.5
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) 48/-/-
Sound Power Level (H/M/L) dB (A) 58/-/-
Dimension (WXHXD) mm 776X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580
Dimension of Package(LXWXH) mm 823X358X595
Net Weight kg 29
Gross Weight kg 31.5
Refrigerant R410A
Refrigerant Charge kg 0.78
Connection
Pipe
Length m 5
Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ9.52
Max Distance Height m 10
Max Distance Length m 15
Note: The connection pipe applies metric diameter.

9
Technical Information
Service Manual
2.2 Capacity Curve in Different Outdoor Temperature
2.3 Cooling and Heating Data Sheet in Rated Frequency
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:
40
50
60
70
80
90
100
11
0
32 33 34 35 36 37 38 39 40 41 42 43 44 45
Outdoor temp.(°C)
C
apacity ratio
(%)
Condition
Indoor:DB27
°C WB19 °C
Indoor air flow: Super High
Pipe length: 5m
Capacity ratio (
%)
157-7 -5 02
24
0
20
40
60
80
100
120
-10510
Outdoor Temp.(°C)
Condition Heating
Indoor:DB20 °C
Indoor air flow: Super High
Pipe length: 5m
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
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 09K 0.9~1.1 in:10~14
out:11~14
in:72~83
out:35~40 Super High High
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
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 09K 2.3~2.5 in:61~65
out:30~37
in:1~2
out:2~4 Super High High
Cooling:
Heating:

10 Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
790 174
605 148
265
37
Φ55
55
Φ55
28
80

11
Technical Information
Service Manual
720255
824
440
660310
682
3.2 Outdoor Unit
Unit:mm
Unit:mm
712
776
510
320
257
286
540
GWC09MA-K3NNE1D/O GWC09MA-K3NNA5F/O
GWH09MA-K3NNA5F/O

12 Technical Information
Service Manual
4. Refrigerant System Diagram
Indoor unit Outdoor unit
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
COOLING
Discharge
Suction
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Valve
Valve
Liquid pipe
side
Gas pipe
side
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Strainer
Capillary
Strainer
Capillary
GWC09MA-K3NNA3D GWC09MA-K3NNC3D GWC09MA-K3NND3D
GWC09MA-K3NNA5F GWC09MA-K3NNA4F
Indoor unit Outdoor unit
Indoor unit Outdoor unit
COOLING
HEATING
Accumlator
4-Way valve
COOLING
Discharge
Suction
Discharge
Suction
Heat
exchanger
(evaporator)
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Valve
Valve
Liquid pipe
side
Gas pipe
side
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Strainer
Throttle Valve
Accumlator
Compressor
Strainer
Capillary

13
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
Accumlator
Compressor
Strainer
Throttle Valve
GWH09MA-K3NNA5F GWH09MA-K3NNA4G
Connection pipe
specication:
Liquid pipe:1/4" (6mm)
Gas pipe:3/8" (9.52mm)

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.
GWC09MA-K3NNA3D/I GWC09MA-K3NNC3D/I GWC09MA-K3NND3D/I GWC09MA-K3NNA5F/I GWC09MA-K3NNA4F/I
GWC09MA-K3NNA9F/I GWC09MA-K3NNB3F/I GWC09MA-K3NNC9D/I
0
0
K1 AC-L
COMP
MOTOR
DISPLAY
RECEIVER AND
DISPLAY BOARD
DISP2
AP1
DISP1
STEPPING
N1
YEGN(GN)
BU
BK
BU(WH)
BN(BK)
POWER
TUBE TEMP.
ROOM TEMP.
SENSOR
SENSOR
TUBE
RT1
RT2
ROOM
AP2 PRINTED CIRCUIT BOARD
JUMP
CAP
OUTDOOR UNIT
SWING-UD
M2
N(1)
2
XT
BU
BK
YEGN
EVAPORATOR
PE
YEGN
PGF
PG
FAN MOTOR
M1
TERMINAL
BOARD
CONNECTING
CABLE
TC
TR_OUT
TR_IN
TRANSFORMER
N
L
III

15
Technical Information
Service Manual
● Outdoor Unit
GWH09MA-K3NNA5F/I GWH09MA-K3NNA4G/I GWH09MA-K3NNA9F/I GWH09MA-K3NNB3F/I
GWC09MA-K3NNE1D/O GWC09MA-K3NNA5F/O
CABLE
C0NNECTING
BLOCK
TERMINAL
TR_IN TR_OUT
TC
DISP1
AP1
DISP2
DISPLAY BOARD
RECEIVER AND
TRANSFORMER
STEPPING MOTOR
M1
FAN MOTOR
PG PGF
TUBE TEMP.
ROOM TEMP.
SENSOR
SENSOR
TUBE
RT1
RT2
ROOM
AP1 PRINTED CIRCUIT BOARD
JUMP
CAP
OUTDOOR UNIT
SWING-UD
M2
N(1)
2
4
5
OG
VT
BK
BU
K1
AC-L
COMP
OG
VT
OFAN
4V
XT
BK
BU
N1
EARTH-PLATE
PE
PE
EVAPORATOR
YEGN
BU(WH)
BN(BK)
YEGN(GN)
YEGN
POWER
DISPLAY
0
0
III
N
L
MOTOR
M2
FAN
M1
N(1)
INDOOR UNIT
YEGN
BK
BU
BU
BK
BU
YE BU
C1
BN C2
RD
S(X)
BK
C(U)
E
R(M,V)
E
YEGN
COMP
E
E
YEGN
MOTOR
E
2
(BK)
(BN)
XT1

16 Technical Information
Service Manual
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
GWH09MA-K3NNA5F/O
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17
Technical Information
Service Manual
1
2
3
4
5
67 89 10 11 12
13
14
1516
1Fuse
2Live wire
3Compressor
4Live wire for healthy function
5Neutral wire for healthy function
6Control interface for PG motor
7Neutral wire
84-way valve
9Outdoor fan
10 Auto button
11 Up&down swing
12 Feedback interface for PG motor
13 Jumper cap
14 Display interface
15 Tube temperature sensor
16 Ambient temperaturesensor
5.2 PCB Printed Diagram
● Top view
● Bottom view