![Viessmann BW 351.A07 Installation And Service Instructions For Contractors Download Page 87](http://html1.mh-extra.com/html/viessmann/bw-351-a07/bw-351-a07_installation-and-service-instructions-for-contractors_1017836087.webp)
87
Type BWS 351.A07
G
N
E
D
B
A
Q
R
A
Transformer EEV PCB
B
EEV PCB (refrigerant circuit control-
ler)
C
Phase monitor
D
Compressor contactor
E
Thermal relay
G
Full wave soft starter
H
Programming unit
K
Controller and sensor PCB
L
Main PCB
M
Expansion PCB on the main PCB
N
Compressor power supply
O
Cross connect PCB
Q
Plug for < 42 V LV connecting cable,
stage 1/2
R
Plug for connecting cable stage 1/2
230 V~
Troubleshooting
Repairs
(cont.)
5546 273 GB
Service