Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 39

Power supply
(cont.)
Control unit power supply
B
L1
PE
A
N
C
D
N L
40
Fig. 33
Mains voltage 230 V~
A
Fuse 16 A
B
C Mains isolator, 2-pole (on site)
Junction box (on site)
D
Power supply for the control unit via a mains filter unit
For mains filter unit, see boiler service instruc-
tions
1. Check whether the power cable to the control unit
has appropriate fuse protection.
2. Connect the power cable in the junction box and at
plug (on site).
fÖ
3. Insert plug into the control unit.
fÖ
B
L1
PE
A
N
C
D
N L
40
Fig. 34
Mains voltage 230 V~
A
Fuse 16 A
B
Mains isolator, 2-pole (on site)
C
Junction box (on site)
D
Electrical connections
39