Viessmann Vitocal 200-G Series Installation And Service Instructions Manual page 47

Power supply
(cont.)
A
X3.7
X3.6
X40
3
K
≈
3
kWh
3/N
G
H
F
4
Fig. 40 Diagram excluding fuses and RCD
Heat pump control unit
A
Instantaneous heating water heater
B
Compressor
C
Economy tariff meter
D
Feed: TNC system
E
Backup fuse, ripple control receiver
F
Ripple control receiver (contact open: Power-OFF
G
enabled)
Premium tariff meter
H
Mains isolator
K
B C
7 3
3
kWh
3/N D
4
4
E
Installation sequence
47