62
G
Double-tariff meter (for special tariff
for heat pump)
Not
permissible in conjunction with
PV systems for on-site power con-
sumption
H
Bi-directional meter (for PV systems
to consume power on site):
Energy taken from power supply
utility and energy fed into power
supply utility
K
Meter with reverse block:
For energy generated by PV sys-
tem
L
Isolator for the domestic power sup-
ply connection (distribution panel)
M
Distribution panel
N
Domestic distribution box
Phase monitor (if installed)
The phase monitor is used to monitor the
mains power supply to the compressor.
The phase monitor switches off (switch-
ing contact opens) if the tolerances set
in the phase monitor are exceeded.
The phase monitor automatically re-ena-
bles the power supply if the values return
to within the specified tolerance range.
Remove the cause if the relay has
responded. The relay does not need to
be reset.
Installation sequence
Power supply
(cont.)
5546 267 GB
