Viessmann Vitovalor 300-P Installation And Service Instructions For Contractors page 33

Electrical connections
Overview of the process controller
E
Fig. 30
Control unit, gas condensing module
A
Vitocom 300
B
Vitocom 300 power supply unit
C
Differential temperature controller
D
KM-BUS terminals
E
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
(cont.)
A
B
L K
C
D
F
H G
Power distributor
F
Power supply, fuel cell module
G
Internal electricity meter
H
System power supply
K
Power supply for accessories
L
Installation sequence
33