Two 120Vac separate double-pole vent switches and fans, Adaptor
1101 and replacement air damper, Power Open.
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
two exhaust fans
Two Double Pole Ventilation Switches
with power supply from the same circuit
to furnace area.
(3C wire required)
An optional ON/OFF Switch.
to function as a control centre.
Furnace fires with thermostat signal.
turns on the Ventilation Fan, the Furnace Fan and opens the
Ventilation Damper simultaneously. The (PO) damper is connected to Adaptor Terminal #1.
3. Optional Switch
connected between #1 and #2 of the Adaptor allows full control of
the Replacement Air Damper to open as required.
*Alternately, regular ventilation switches may be used which
will require one
for each exhaust fan. Connect controlled 120Vac from each
an to each Adaptor as shown in
Diagram #6A. Place Adaptors side by side and connect the first Adaptor to the furnace as shown above with the exception of #4
(GF). #4 of the first Adaptor will be connected to #3 (GT) of the following Adaptor and will follow in like manner to the
last Adaptor. Terminal #4 (GF) of the last Adaptor will be connected to the ‘G’ of the furnace. All other terminals
are to be connected #1-1; 2-2; and 5-5.
1632-ld - Printed in