Mains Power Supply In Conjunction With On-Site Power Consump- Tion - Viessmann Vitocal 300-A Installation And Service Instructions For Contractors

Installation sequence
Power supply
Mains power supply in conjunction with on-site power consump-
tion
Without power-OFF
F
G
kWh
L
N
A Heat pump
B Additional consumers (of power
generated on site) in the house-
hold
C Electricity meter
D Inverter
E Isolator for the PV system
56
(cont.)
A
F
H
kWh
M
B
A
C
F
N E1E2 D /D
L1 L1 L2 L2 L3 L3
L
N
F Terminal
G Double-tariff meter (for special tariff
for heat pump)
Not permissible in conjunction with
PV systems for on-site power con-
sumption
~ ~
=
D
E
F
K
kWh
M