Viessmann VITOCAL 350-A Installation And Service Instructions Manual page 43

Electrical connections: Control panel
X9
< 42 V
X2
230 V~
X14.6
E
X1
Fig. 37
Cover panel
A
Control cable 230 V~
B
Extra low voltage (ELV) lead < 42 V
C
(cont.)
E
7.
6.
D
Bracket
D
E Cable ties
Installation sequence
43