Olimpia splendid SHERPA S2 E 12 Installation Und Betriebsanleitung Seite 31

8.3.2 Switch box main components (1-phase，10/12/14/16kW)
3-phase 12~16kW
PCB A
10
9
8
7 6
1 Power supply L3(L3)
2 Power supply L2(L2)
3 Power supply L1(L1)
4 Power supply N(N)
5 Ground wire(GND_1)
6 Power supply for load(CN18)
3-phase 12~16kW
PCB B
8
7
11
7 Power supply for main
8 Power filtering L1(L1')
9 Power filtering L2(L2')
10 Power filtering L3(L3')
11 Ground wire(GND_2)
6 4 3
5
5 4
control board(CN19)
12
1
2
3
1
2
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)