Viessmann Vitocal 300-G Installation And Service Instructions Manual page 96

Installation sequence
Power supply
(cont.)
Compressor power supply connection
A Mains terminals inside the heat
pump
Note
The backup fuses must have Z char-
acteristics for appliances with full
wave soft starter (see specification or
type plate).
Instantaneous heating water heater power supply
A 5-core power cable (recom-
mended cable 5 x 2.5 mm
Instantaneous heating water
heater installation instructions
96
Low tariff and power-OFF can be
used.
Fuse protection in accordance with
the compressor rating (see specifi-
cation).
No parameters need to be set when
using low tariff with power-OFF.
During the power-OFF period, the
compressor will be mechanically
shut down.
Recommended cable: 5 x 2.5 mm
B Control module for the instanta-
2
) neous heating water heater with
mains terminals
C 2 jumpers inserted at the factory
at the neutral conductor
2