Combustion air damper, Two 120Vac vent switches, two Adaptor
1101's and replacement air damper, Power Close, opens during firing.
Hoyme Manufacturing Inc. Special Note: Circuits are colored for
and are not necessarily those found in actual installations.
Forced Air Furnace having a
and a replacement air
supply duct together with
relay adaptors (ADP-1101-05A).
2. Replacement Air Control Damper
Two Ventilation Switches to supply
to furnace area.
Two Relay Adaptors (ADP-1101-05A)
to function as a control centre actuated from either ventilation
Combustion air damper and Replacement Damper open during furnace
will simultaneously turn on the Exhaust Fan, open the
Replacement Air Damper and turn on the Furnace Fan.
3. Optional Switch
to the damper provides full control of the Replacement Air Damper to open
separately provided the damper is the Power Close (PC)
N.B. Replacement Air Damper is not affected by the
‘Manual’ setting of the furnace fan nor is the Air Conditioner affected in any way.
1632-ld - Printed in
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