16
L 1
L
M
1~
L N
230V~
230V~
321
7654
X3
40
96
20
35
100
1
L
N
L
N
L1
N
21
53
D
E
B
C
A
%
aVG
!
?
A
Radio clock receiver
B
Vitotrol 100 UTDB (only for constant
temperature control units)
C
Vitotrol 100 UTA (only for constant
temperature control units)
or
Vitotrol 100 UTDB-RF wireless
receiver (only for constant tempera-
ture control units)
Plug 230 V~
sA
Cylinder primary pump
E
(fitted
and connected)
fÖ
Power supply [terminals]
■ Remove any existing individual
cores.
Danger
Incorrect core termination
can cause severe injuries
and damage to the equip-
ment.
Installation sequence
Electrical connections
(cont.)
5457 552 GB