Combustion air damper and replacement air damper (Power
Hoyme Manufacturing Inc. Special Note: Circuits are colored for
and are not necessarily those found in actual installations.
Combustion Air Damper Wires, however, are
colored as shown.
Forced Air Furnace having a combustion fresh air supply duct and a replacement
air supply duct.
Close damper is required.
Replacement Air Damper is inter-connected to the Combustion Air Damper which is
interlocked so that both dampers open during the heating cycle and close when the fire stops.
2. Optional switch(i.e. toggle switch, timer, de-humidistat) allows full control of Replacement
Air damper to open provided it is the
N.B. Replacement Air Damper is not affected by the ‘Manual’ setting of the
1222-ld - Printed in
Printer friendly (pdf)
- (Opens in a new window)