56
Mains power supply in conjunction with on-site power consump-
tion
Without power-OFF
kWh
G
F
L
kWh
F
L
E
kWh
N
E1E2
D /D
L1 L1 L2 L2 L3 L3
C
A
M
N
N
A
~~
=
D
H
K
M
F
B
F
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
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
Installation sequence
Power supply
(cont.)
5516 436 GB