120Vac Vent Switch, Adaptor 1101-05A and Replacement Air Damper, Power Close with ADP-0241-05A:
#6B3. Adaptor (ADP-0241-05A), One Power Close Fresh Air Damper (-PC) Opens during Furnace firing.
HMI Hoyme Manufacturing Inc. Special Note: Circuits are colored for clarification only and are not necessarily those found in actual installations. Combustion Air Damper Wires, however, are colored as shown.
Diagram #6B3: Forced Air Furnace having a replacement air supply duct.
- Replacement Air Control Damper (PC) Power Close (HAC-0x10-OPC)
- Relay Adaptor (ADP-0241-05A) to open damper during heating cycle.
OPERATION:
- Replacement Damper opens to provide fresh air during the heating cycle.
- Optional Switch (i.e. toggle switch, timer, de-humidistat) allows full control of the Replacement Air Damper to open as required provided it is PC type.
N.B. Replacement Air Damper is not affected by the ‘Manual’ setting of the furnace fan.