3.0 COMPONENT OPERATION
3.1 BX3 Gas Ducted Unit Components
3.2 Gas Valve Operation
The gas valves function is to provide gas for combustion. The gas valve is a Honeywell
VR8215S,T gas valve. For natural gas it has been optimised for direct ignition application and
includes a on and off switch and a pressure regulator.
The gas valve is controlled by the HCDSI 24 -1 PCB control. Please see the technical data
sheet for the optimum gas pressures.
Pressure switch
Control Board
Transformer
Thermostat connection
Main Circulation
fan compartment
Combustion Fan
Gas Valve
Flame roll out
plate
Flame roll out
switch
Burner Assembly
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