14
3-90-07205R26_10/14
Outside Air
To install outside air, use 3” galvanized steel flex pipe. Fig. 6.
There is a break-away hole on the rear panel which must be
removed before connecting the flex pipe. See Fig. 7.
When the appliance is side wall vented: The air intake is best
located on the same exterior wall as the exhaust vent outlet,
and located lower on the wall than the vent outlet.
When the appliance is roof vented: The air intake is best
located on the exterior wall oriented toward the prevailing
wind direction during the heating season.
Never terminate the outside air above the vent pipe outlet.
The maximum length of this pipe is 20 feet. Termination
Cap part number 1-10-09542 should be used to keep birds,
rodents etc. out of the inlet pipe. See Fig. 6.
NOTE:
The Termination Cap should not be placed in an
area where drifting of snow or ice will build up, blocking the
intake air supply.
The Outside Air knockout is located on the face of the Feeder
Cover. It is pre-cut except for several small tabs. There is
also a filler plate screwed to the inside to cover the top of the
hole after the Outside Air Pipe has been installed. This will
allow for removal of the Feeder Cover without disconnecting
the Outside Air Pipe. See Fig. 7. If installing outside air to
an older unit Adapter Kit (Part #1-00-06809) must be used.
Only metal Intake Flex should be used for the Outside Air
Supply connection.
The Outside Air Intake Pipe is inside the Feeder Cover and
to the right of the feeder motor. The 3” steel flex pipe is made
to slide over the outside of the Air Intake Pipe.
See Fig. 8. It
should be held into place with some silicone, foil tape, or a
hose clamp. (Not supplied)
Heat Reclaiming Ventilation System (HRV)
When installing in a house with a Heat Reclaiming Ventilation
System (HRV) be sure the system is balanced and is not
creating a negative pressure in the house.
Outside Air Installation
Termination Cap part# 1-10-09542
Fig. 6
Fig. 8
Hopper/
Feeder Swing
Plate Knob
Outside Air Inlet Pipe
Fig. 7
Outside Air
Pipe Knockout
Feeder Cover
