Viessmann Vitocal 350-A Installation And Service Instructions Manual page 107

Power supply
(cont.)
230 V~ 1/N/PE
400 V~ 3/N/PE
400 V~ 3/N/PE
A Power supply to heat pump control
unit
Recommended cable: 3 x 1.5 mm
B Power supply to compressor/fan
Recommended cable: 5 x 2.5 mm
C Power supply to instantaneous
heating water heater (accessory;
see separate installation instruc-
tions)
Recommended cable: 5 x 2.5 mm
(9 kW)
Danger
Damaged cable insulation can
cause injury and damage to the
appliance.
Route cables so that they cannot
touch very hot, vibrating or sharp-
edged components.
For routing power cables, see from
page 70.
A
B
C
2
2
2
Installation sequence
107