Forced Air Furnace having a
supply duct together with and
controlled by a designated
ventilation switch and/or bathroom timer
1. Use Replacement Air Control Damper
Ventilation Switch and/or bathroom timer to supply
to furnace area.
to function as a control centre.
Replacement Damper opens to provide fresh air during the
ventilation and/or heating cycle.
Ventilation Switch and/or bathroom timer
turns on Ventilation Fan, opens Replacement Air Damper and turns on
Furnace Fan simultaneously.
3. Optional Switch
(i.e. toggle switch, timer, de-humidistat) connected to Adaptor 1 and 2
allows full control of the Replacement Air Damper to open as required.
N.B. Replacement Air Damper is not affected by the ‘Manual’ setting of
the furnace fan.
Also the Air Conditioner is not affected by the use of this
1647-ld - Printed in
Printer friendly (pdf)
- (Opens in new window)