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23
3-phase PCB A
1. +15V port(CN4)
2. To MCU(CN1)
3. IPM input N
4. Compressor connection port W
5. Compressor connection port V
6. Compressor connection port U
7. IPM input P
8. Power for switching power supply(CN2)
10
11
1 Power supply for the main PCB(CN250)
2 Port for pressure sensor(CN36)
3 Port for sunction temperature sensor(CN4)
4 Port for discharge temperature sensor(CN8)
5.1 Port for outdoor temperature sensor(CN9)
6.1 Port for high pressure switch(CN6)
6.2 Port for low pressure switch(CN6)
11 Port for power supply(CN41)
12 Power supply for hydro-box
control board(CN6)
13 PFC control port(CN63)
14 Reserved(CN64)
15 Port for 4-way value(CN65)
16 Port for eletric heating tape(CN66)
17 PTC control(CN67)
18 Reserved(CN68)
19 Port for down fan(CN19)
20 Port for up fan(CN17)
23 Port for voltage check(CN205)
24 Refrigerant recovery button(SW1)
25 Check button(SW2)
1
2
3
4
5
6
7
8
1
24
2
25
3
4 5.15.2 6.1
6.2
7
13
12
14
15
16
17
18
19
21 20
22
23
PCB A, Inverter module for 3-phase 12~16kW unit
PCB B, Main control board for 3-phase 12~16kW unit
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