6
a. The heat tape must be UL
listed.
b. The heat tape must be
installed per the
manufacturer’s instructions for
the entire length of drain pipe
in the unconditioned space.
c. The heat tape should be rated
at 5 or 6 watts per foot at
120V.
IMPORTANT: Support this unit
when installed. Since this
furnace is suitable for attic or
crawl space installation, it may
be installed on combustible wood
flooring or by using support
brackets. See Figure 4.
6.
IMPORTANT: If installing in a
utility room, be sure the door
is wide enough to:
a. allow the largest part of the
furnace to pass; or
b. allow any other appliance
(such as a water heater)
to pass.
7. IMPORTANT: This furnace is
not approved or recommended
for installation on its back,
with access doors facing
upwards.
CLEARANCE -
ACCESSIBILITY
The design of forced air furnaces with
input ratings as listed in the tables
under Figures 6, 7 and 8 are certified
by the AGA Laboratories and CGA
Laboratories for the clearances to
combustible materials shown in
inches.
FIGURE 4
HORIZONTAL FURNACE INSTALLED W/SUPPORT BRACKETS
GAS
PIPE
TRAP
EXHAUST
FAN
ELECTRICAL
CONDUIT
INTAKE
VENT
See name/rating plate and clearance
label for specific model number and
clearance information.
Service clearance of at least 24
inches is recommended in front of
all furnaces.
FOR PURPOSES OF SERVICING
THIS APPLIANCE, ACCESSIBILITY
CLEARANCES, WHERE GREATER,
MUST TAKE PRECEDENCE OVER
FIRE PROTECTION CLEARANCES.
UPFLOW AND HORIZONTAL
FURNACES ARE DESIGN-
CERTIFIED FOR INSTALLATION
ON COMBUSTIBLE FLOORS.
NOTE, HOWEVER, THAT FUR-
NACES MUST NOT BE INSTALLED
DIRECTLY ON CARPETING, TILE
OR OTHER COMBUSTIBLE
MATERIAL OTHER THAN WOOD
FLOORING. INSTALLATION ON A
COMBUSTIBLE MATERIAL CAN
RESULT IN FIRE, CAUSING
PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
Upflow furnaces are shipped with a
bottom closure panel installed. When
bottom return air is used, remove the
panel by removing the two screws
attaching the panel to the front base
angle. See Figure 5.
!
WARNING
I522
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