For the control of
the circulation pump in the heating system when opening the zone valve.
General Features: The control is performed by monitoring the
relay outputs
status connected to the valves; The
start of the pump is driving a relay output on the BUS; Suitable to control up
to 8 outputs of 32 different modules, allowing to control up to 256 valves.
Electric Features: Power supply by BUS 24Vcc – 45mA