12
Unitary Products Group
SECURE
FURNACE
TO FLOOR
WITH TWO
NAILS OR
SCREWS
FURNACE
SEATED
AGAINST
THE LOCATOR
BRACKET
FIGURE 11 --
INSTALLATION OF FURNACE
INSTALLATION OF THE FURNACE
1. Remove the front panels and set the furnace onto
the duct connector. Slide it back until the rear of the
unit engages the locator bracket.
2. Secure the front of the furnace with two screws at the
mounting holes provided.
3. Secure the top of the furnace to a structural member
using screw through the strap at the back of the fur-
nace. Strap may be moved to any of the holes lo-
cated along the top back of the furnace. Installer may
provide an equivalent method, such as screws
through the casing side.
CONNECTING ROOF JACK TO FURNACE
CAUTION:
The inner flue pipe must be present.
It is mandatory that the combustion air pipe and flue
pipe assembly be fully engaged. The combustion air
pipe MUST be securely fastened to the furnace with
a sheet metal screw in the hole provided.
Use a
1
/
2
” blunt or sharp end sheet metal screw to
fasten roof jack combustion air pipe to furnace com-
bustion air collar. Screw hole is provided in the pipe
and collar. Excessively long screws may extend to
flue pipe and puncture it. Screws are not to exceed 1
1
/
2
” in length.
NOTE:
Combustion air tube and flue pipe are part of the
same assembly. Only the combustion air tube
need be fastened to the furnace.
1. Check to be certain that the flue pipe and combus-
tion air tube are present.
2. Pull the telescoping flue tube and combustion air
tube assembly down from the roof jack. Slide the flue
tube/combustion air tube assembly down firmly over
the furnace flue outlet and combustion air collar. In-
sure that the back, side and front of combustion air
tube collar is fully engaged and is in contact with gas-
ket. Fasten the combustion air tube to the furnace
combustion air collar using a
1
/
2
inch sheet metal
screw. (Screw hole provided in combustion air tube
and furnace combustion air collar. (See Figure 12.)
It is mandatory that the combustion air and flue tube assembly
be fully engaged at back sides and front, and combustion air
tube securely fastened to the furnace with a sheet metal screw
in the screw hole provided.
COMBUSTION
AIR TUBE
FLUE
PIPE
COMBUSTION
AIR TUBE COLLAR
#8 OR #10 SCREW RECOMMENDED
FURNACE
FLUE OUTLET
SECURE
STRAP
TO WALL
FRONT OF
FURNACE
FIGURE 12
— CONNECTING ROOF JACK TO FURNACE
GASKET
Summary of Contents for DLAS
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