16
L
N
230 V~
230 V~
5
96
40
40
96
20
35
100
1L
N
X4
2
1
2
1
3
2
1
5
4 X3
L
N
21
M 1~
X19
X14
A
B
21
20
L
1
C
D
145
145
L
N
A
Radio clock receiver
B
Heating circuit pump or boiler circuit
pump
C
Vitotrol 100, type UTDB (only for
constant temperature control units)
When making this connection,
remove jumper between "1" and
"L".
D
Vitotrol 100, type UTA (only for con-
stant temperature control units)
or
Vitotrol 100 wireless receiver, type
UTDB-RF
When making this connection,
remove jumper between "1" and
"L".
Installation sequence
Electrical connections
5585 174 GB