24Vac vent switch and replacement air damper Power Open
Hoyme Manufacturing Inc. Special Note: Circuits are colored
and are not necessarily those found in actual
Forced Air Furnace having a
supply duct together with an
controlled by a
designated ventilation switch and/or bathroom timer
that sends a 24Vac signal
to the furnace area.
Replacement Air Control Damper, Power Open
Ventilation Switch and/or bathroom timer that sends
to furnace area.
3. 24Vac Relay Adaptor (ADP-0241-05A)
to function as a control centre.
Furnace fires with thermostat signal.
Ventilation Switch and/or bathroom timer turns on Ventilation
Fan, opens Replacement Air Damper and turns on Furnace Fan simultaneously. Note
damper is connected to adaptor terminal #1.
connected between terminal #4 and #5 of the adaptor allows full
control of Replacement Air damper to open as required.
N.B. Replacement Air Damper is not affected by the ‘Manual’
setting of the furnace fan.
1652-ld - Printed in Canada