24Vac vent controlled by switch and replacement air damper Power
Hoyme Manufacturing Inc. Special Note: Circuits are colored for
and are not necessarily those found in actual installations.
Forced Air Furnace having a
supply duct together with an
controlled by a
Replacement Air Control Damper, Power Open (HAC-0x10-OPO)
3. 24Vac Relay Adaptor (ADP-0241-10A)
to function as a control centre with 120Vac power switching to the
Furnace fires with thermostat signal.
24Vac contacts/switch simultaneously turns on Furnace Fan, opens
Replacement Air Damper and directly switches 120Vac to the Ventilation Fan.
(i.e. toggle switch, de-humidistat) 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