Combustion air damper
HMI Hoyme Manufacturing Inc. Special Note: Circuits are colored for clarification only and are not necessarily those found in actual installations. Wires of the Combustion Air Damper, however, are colored as shown.
Diagram #1: AForced Air Furnace having a combustion air supply duct.
ADDED: Combustion Air Damper for one furnace (HOM-0x11-SF1)
OPERATION: Combustion Air Damper is interlocked to the T-stat and the gas valve so that the damper proves to be open for combustion before the furnace fires. The damper closes to conserve energy when the fire stops.
0828 Printed in Canada
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