Place Furnace in Final Location
Excessive Weight Hazard
Use two or more people and mechanical equipment to lift,
move and install furnace.
Failure to do so can result in back or other injury.
IMPORTANT: Place the furnace in the final location and position
it in the proper orientation to the house so that connecting ducts,
electrical and gas supplies is easily done. Hoisting may be
NOTE: All access panels must be secured in place before
The unit should be hoisted with 2 lifting slings. Attach the slings
to rigging shackles that have been hooked through holes in the
Place 2 spreaders on top of the unit to protect the unit from
damage from the pressure exerted by the slings. Make sure that
all equipment is rated to handle at least 750 lbs and that the
slings will not allow the unit to shift. See "Typical Sling
Typical Sling Configuration
2. Base rail
This furnace is factory built for horizontal airflow applications and
may also be field converted for downflow use.
To convert to downflow use:
1. Remove blower access panel and heat exchanger access
2. Remove the 2 downflow duct cover plates (2 screws) found in
the return and supply air compartments.
3. Using the 2 screws from each duct cover plate, and the 8
screws in the provided literature bag, install the previously
removed duct cover plates on the horizontal return and
supply air openings.
4. Reinstall blower access panel and heat exchanger access
Install the exhaust vent assembly over the flue transition outlet,
using the 6 - #10 screws provided in the literature assembly bag.
Convert to Downflow
1. Downflow duct cover plates
2. Horizontal return and supply air openings
Exhaust Vent Assembly
1. Flue transition outlet
2. Attach with 6 screws
3. Exhaust vent
4. Heat shield