24Vac vent switch and replacement air opens during firing
Hoyme Manufacturing Inc. Special Note: Circuits are colored for
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.
Ventilation Switch and/or bathroom timer that sends
to furnace area.
24Vac Relay Adaptor (ADP-0241-05A)
to function as a control centre.
Replacement air damper opens to provide fresh air during furnace firing.
Ventilation Switch and/or bathroom timer turns on Ventilation Fan, opens
Replacement Air Damper and turns on Furnace Fan simultaneously.
(i.e. toggle switch, timer, de-humidistat) allows full control of Replacement
Air damper to open provided it is a
type with a relay.
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N.B. Replacement Air Damper is not affected by the ‘Manual’ setting of
the furnace fan.
1652-ld - Printed in Canada