6.APPENDIX
4
4
3
3
OUT1
OUT2
CN2
CN1
OUT3
AC-N
CN19
CN4
CN3
GND
12V
NET
GND
DI01
GND
GND
GND
GND
GND
GND
GND
GND
GND
AI01
OUT4
OUT5
PC1001
PC1001
DI02
DI03
DI04
DI05
GND
DI06
AI02
AI03
AI04
AI05
GND
AI06
CN1
CN2
CN6
CN19
5V CN16 GND
21
22
23
24
Primary transformer
Secondary transformer
Without use
Electronic expansion valve
Flow meter
CN
6
GND
CN16
+5V
20
6.1 Connection of PCB illustration
Connections explanation
1
2
3
4
OUT2
Water pump 220-230VAC
OUT4
High speed of fan motor
220-230VAC
OUT3
OUT1
No.
Symbol
Meaning
4way valve
220-230VAC
Compressor of system1 220-230VAC
NET GND 12V
Wire controller
DI01 GND
On/Off Switch(input)(no use)
No use
Flow switch (input)( normal close)
7
8
9
10
11
12
14
15
High pressure protect
Low pressure protect
5
Neutral wire
AC-N
OUT5
Low speed of fan motor
220-230VAC
6
16
AI01 GND
AI02 GND
AI03 GND
AI04 GND
17
AI05 GND
Water out temp.(input)
Water in temp.(input)
Ambient temp.(input)
Temp. Of coil ( input)
Suction temp.(input)
DI02 GND
DI03 GND
DI04 GND
DI05 GND
13
DI06 GND
No use
18
AI06 GND
19
No use
27
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