3) PCB C, filter board
CN32
10
CN31
9
8
CN30
7
6
Coding
Assembly unit
Power supply L3(L3)
1
Power supply L2(L2)
2
3
Power supply L1(L1)
Power supply N(N)
4
Ground wire(GND_1)
5
6
Power supply port for load(CN18)
9.3.5 Controls parts for backup heater(Reserved)
4
1-phase 12/14/16kW
Coding
Assembly unit
1
Auto thermal protector
Manu thermal protector
2
Backup heater contactor KM4
3
Backup heater circuit breaker CB
4
Backup heater contactor KM1
5
6
Backup heater contactor KM2
11
5
PCB C 3-phase 12/14/16kW
Coding
7
8
9
10
11
/
3
2
1
5
6
123
CN38
1
2
CN37
3
CN36
CN39
4
Assembly unit
Power supply port for main control board(CN19)
3RZHU ¿OWHULQJ //¶
3RZHU ¿OWHULQJ //¶
3RZHU ¿OWHULQJ //¶
Ground wire(GND_2)
/
4
3
3-phase 12/14/16kW
Coding
Assembly unit
1
Auto thermal protector
Manu thermal protector
2
Backup heater contactor KM4
3
Backup heater circuit breaker CB
4
Backup heater contactor KM1
5
2
1
5