Installation manual

30
Additional Systems: Bi-Valent Alternative System (Boiler).
Water connections
HEATING
SYSTEM
HEAT PUMP
BOILER
Note: On a request for DHW production the boiler will be
turned off and the heat pump activated. In severe weater
conditions this may impact comfort levels and the DHW
temperature. In this case it may be necessary to turn off
the DHW time clock and use the immersion heater to
provide DHW. See page 23 for further details and
parameter settings.