Electrical Connections - Viessmann Vitotrol 100 OT Installation And Service Instructions Manual

Installation sequence

Electrical connections

Connection to the heat generator control unit
A
B
4 3 2 1
C
A Boiler control unit
B Terminals on the control unit
C Outside temperature sensor
Recommended connecting cable
■ 2-core cable for extra low voltage
Connecting the on-site switching contact
Connection at terminals 7 and 8
12
F
?
D
8
7
6
5
4
D Room temperature controller
E Input for on-site switching contact
F Remove jumper when connecting.
!
Please note
Incorrect connection will dam-
age the room temperature con-
troller.
Do not connect the room tem-
perature controller to plug 96.
96
L
E