Overview Of Power Connections - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

Overview of power connections

A B C
P O
The power terminals F, G and H are protected against accidental contact through
a shield mounted in front.
A PCB 3 (sensor PCB)
B Coding card slot
C PCB 2 (main PCB)
D E
Installation sequence
D Entry area for electrical cables
except power supply cables
E PCB 1 (cross connect circuit
board)
F
G
H
K
L
M
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