120Vac Vent Switch, Adaptor 1101-05A and Replacement Air Damper, Power Close with ADP-0241-05A:
#6B2. Ventilation Switch and Fan, Two Adaptors (ADP-1101-05A) and (ADP-0241-05A), One Power Close Fresh Air Damper (-PC) Opens during Venting and 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 #6B2: Forced Air Furnace having a Replacement Air Supply Duct together with an Exhaust Fan controlled by a designated Ventilation Switch and/or Bathroom Timer.
- Replacement Air Control Damper (HAC-0x10-OPC) (Power Close)
- Ventilation Switch and/or bathroom timer to supply Controlled 120Vac to Furnace area
- Relay Adaptor (ADP-1101-05A) to function as a control centre
- Relay Adaptor (ADP-0241-05A) to open Damper during heating cycle
OPERATION:
- Replacement Damper opens to provide fresh air during the ventilation and heating cycle
- Ventilation Switch and/or Bathroom Timer turns on the Ventilation Fan, opens the Replacement Air Damper, and turns on the Furnace Fan simultaneously
- Damper will remain closed during manual Furnace Fan operation
- On/Off Switch connected to the Adaptors (as shown) allows manual control of the Replacement Air Damper to open as required