15
bend the flanges on the furnace upward 90° with wide
29) for furnace flange
locations. NOTE:
casing, bend the flanges on the coil casing upward 90°
before attaching the return air duct.
sure the screws penetrate the sheet metal casing and
flanges.
running full size and without interruption.
furnaces, bend the flanges on the furnace upward
29) for
furnace flange locations. NOTE:
includes AC coil casing, bend the flanges on the coil
casing upward 90° before attaching the supply air duct.
ensuring even alignment of furnace air opening and
supply air duct. NOTE: The ductwork must have an
for supply air opening size.
noise eminating from the furnace. These treatments can
space. However, they can increase the pressure drop in
the duct system. Care must be taken to maintain the proper
rise and flow rate. This may mean increasing the duct
size and/or reducing the blower speed. These treatments
must be constructed and installed in accordance with
performance, be sure to install all the needed gaskets and
grommets around penetrations into the furnace, such as
for electrical wiring.
FURNACE INSTALLATION
or horizontal right or left positions with either right, left,
or upflow return air.
10)
stairs, etc).
components are protected from water.
in the side of the furnace when rotating the inducer.
page 7, page 8, page
9
, page 10, page 11, page 12 page 13 for
Upflow Installation
WARNING:
installed as shown in 31)
is installed with side return air, the bottom panel must not
Bottom Panel
Removal
section.
Horizontal Installation
WARNING:
).
or utility room in either a right to left airflow or left to right
airflow as shown in
.
bottom panel from the furnace before attaching the duct
page 16).
),
inches past the top and front of the furnace.
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