Docking
FIGHTER 600P
For the Installer
30
FIGHTER 600P is suitable for docking to a gas boiler.
This then replaces the immersion heater in the heat
pump.
The output of the gas boiler should not be greater than
the immersion heater output that FIGHTER 600P can
provide, i.e. 9 kW. The gas boiler is connected to con-
nections (92) and (93).
The charging flow should be adjusted so that it is
about the same as the radiator flow. The water tem-
perature out of the gas boiler ought to be approxi-
mately 65 °C.
The electrical connection between the gas boiler and
the heat pump is made via a two-pole cable. When the
heat pump’s contactor relay makes, the gas boiler and
its circulation pump start, and when the relay breaks
the gas boiler and even its circulation pump stop. The
cable is connected to terminal (11). See the wiring
diagram. The cables to the immersion heater in the
FIGHTER are removed and insulated.
Docking to a gas boiler
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