Viessmann Vitocal 350-A Installation And Service Instructions Manual page 106

Installation sequence
Power supply
Information regarding the power sup-
ply utility
■ In negotiations with your power supply
utility, different supply tariffs for the
main power circuits may be offered.
■ The heat pump control unit/elec-
tronics supply must be made with-
out blocking by the power supply util-
ity; tariffs that are subject to possible
shutdown must not be applied to these
supplies.
■ The allocation of the power-OFF (for
compressor and/or instantaneous
heating water heater) is made via the
type of connection and by a setting in
the heat pump control unit (see
pages 110 and 190). In Germany,
the power supply can be cut off for up
to 3 x 2 hours within any 24 h period.
Power cables
The power supply is separated into three
areas with three power cables:
106
(cont.)