Heat Pump Control Unit Power Supply 230 V - Viessmann Vitocal 300-A Installation And Service Instructions Manual

Power supply
(cont.)
Information regarding the compressor power sup-
ply
!
■ Please note
An incorrect phase sequence can cause dam-
age to the appliance.
Make the compressor power supply only in
the phase sequence specified (see terminals)
with a clockwise rotating field.
■ Characteristics of the compressor power fuses: see
"Specification".

Heat pump control unit power supply 230 V~

A
max.16 A
X3.18 L1
X2.1 N
X1.1
?
Fig. 34
Mains terminals inside the heat pump control unit
A
Note
This supply must never be blocked.
1/N/PE
230 V / 50 Hz
■ Max. fuse rating 16 A
Standard tariff: No optional economy tariff with
■
power-OFF for the heat pump control unit
Recommended power cable:
■
2
3 x 1.5 mm
■ Recommended power cable with power-OFF for
compressor/ instantaneous heating water heater:
5 x 1.5 mm 2
Installation sequence
41