8.3.2 Switch box main components (1-phase,10/12/14/16kW)
1-phase 10~16kW
PCB A
10
9
8
7
6
1
Reserved(CN2)
2
Input Port N For Ipm Module(N)
3
Power Supply Of W Phase For
Compressor(W)
4
Power Supply Of V Phase For Compressor(V)
1-phase 10~16kW
PCB B
20
23
22
21
19
18
25
17
16
1
Port For Pressure Switch(CN12)
2 Port For Suction Temperature Sensor(CN24)
3
Port For Pressure Sensor(CN28)
4
Port For Discharge Temperature
Sensor(CN8)
5
Port For Ambient Temperature And
Condenser Outlet Temperature
Sensor(CN9)
6
Port For Communication Between
Outdoor Unit And Bydro-box(CN10)
5
4
3
2
5
Power Supply Of U Phase For Compressor(U)
6
Output Port N Of Pfc Module(N_1)
7
Output Port P Of Pfc Module(P_1)
8
Input Port For Pfc Inductance L_1(L_1)
9
Input Port For Pfc Inductance L_2(L_2)
3
4 5
6
1
2
15
14 13
7
Reserved(CN30)
8
Port For Electrical Expansion Value(CN22)
9
Input Port For Live Wire(CN1)
10 Input Port For Neutral Wire(CN2)
11 Output Port For Neutral Wire(CN3)
12 Ourput Port For Live Wire(CN4)
13 Reserved(CN7)
14 Port For 4-way Value(CN13)
15 Port For Eletric Heating Tape(CN14)
16 Input Port For Transformer(CN26)
11
7
8
9
12
11
13
1
10 Input Port N For Pfc Module(VIN-N)
11 Input Port P Foripm Modele(P)
12 Communicate Port Between Pcb A
And Pcb B(CN1)
13 +15V(CN6)
10
26
17 Power Supply Port For Fan(CN18)
18 Port For Down Fan(CN19)
19 Port For Up Fan(CN17)
20 Output Port For Transformer(CN51)
21 Check Button(SW2)
22 Refrigerant Recovery Button
23 Digital Displays(DIS1)
24 Ground Wire(CN11)
25 Comunication Port For PCBA(CN6)
26 Power supply port for hydro-box
control board(CN16)
12
24
11
V.2