GM9S80 Installation Manual
6
• Exposure to contaminated combustion air will result in
the furnace where the combustion air is exposed to the
following substances:
chlorinated waxes or cleaners
chlorine-based swimming pool chemicals
water softening chemicals
deicing salts or chemicals
carbon tetrachloride
halogen type refrigerants
cleaning solutions (such as perchloroethylene)
printing inks
paint removers
varnishes
hydrochloric acid
cements and glues
antistatic fabric softeners for clothes dryers
and masonry acid washing materials
• If the furnace is used in connection with a cooling unit,
install the furnace upstream or in parallel with the cooling
unit coil. Premature heat exchanger failure will result if
the cooling unit coil is placed ahead of the furnace.
•
width shall not be less than furnace width minus 1”.
the furnace or may be one size larger than the furnace.
width furnace.
•
must face the same direction.
• If the furnace is installed in a residential garage, position
the furnace so that the burners and ignition source are
Protect the furnace from physical damage by vehicles.
• If the furnace is installed horizontally, the furnace access
access doors on the “up/top” or “down/bottom” side of
the furnace.
•
a separate appliance designed to burn solid fuel.
•
Before setting the furnace over the plenum opening,
ensure the surface around the opening is smooth and
level. A tight seal should be made between the furnace
base and floor by using a silicon rubber caulking
compound or cement grout.
•
applicable to your model for details). A special accessory
installations over any combustible material including
installations.
•
(: The subbase will not be required if an air
conditioning coil is installed between the supply air
coil must be downstream from the heat exchanger of
the furnace.
• Adequate combustion/ventilation air must be supplied
to the closet.
•
NOT remove solid base plate for side return.
• Return air ducts must be sealed to the
furnace and terminate outside the enclosure surfaces.
is
recommended.
TOP
SINGLE
1" 6" 1" 3" 0" 1"
-
upow furnaces, return
air ductwork may be attached to the side panel(s) and/or
horizontally installed upow furnaces, return
coun-
terow furnaces, return ductwork must be attached to the
blower compartment end of the furnace.