25
1    Rectifier bridge input port L
2   Hydraulic compartment input port2
3    Rectifier bridge input port N
4    Power supply N
5    Power supply L
6    Transformer output port
7    BLACK: T3 temperature sensor port
      WHITE:T4 temperature sensor port
8    TP temperature sensor port
9    YELLOW: High pressure switch
      RED: Low pressure switch
10  Th temperature sensor port
11  Pressure sensor port
12  Port for communication between this PCB and main control 
board of hydraulic module
13  P/N/+18V port
14  To IPDU/PFC
15  DC fan port
16  Compression electromechanical heating belt  
 17  4-way valve port
18  Transformer input port
1-phase 5/7/9kW
PCB A
2
4
567891011
12
13
15
14
16
17
18
3
1
PCB B, Main control board for 1 phase 5/7/9 kW unit.