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035-17737-003 Rev. A (0504)
BURNER
BOX
LIMIT
SWITCH
PRESSURE
SWITCH
DOOR
SWITCH
BLOWER
FIGURE 1: Component Locations
7.
NEVER . . .Store flammable materials of any kind near your fur-
nace. Gasoline, solvents, and other volatile liquids should be
stored only in approved containers outside your home. These
materials vaporize easily and are extremely dangerous.
8.
NEVER . . .Store cleaning materials near your furnace. Materials
such as bleaches, detergents, powdered cleansers, etc., can
cause corrosion of the heat exchangers.
9.
NEVER . . . Use the area around your furnace as a storage area
for items which could block the normal flow of air. This flow of air is
required for ventilation of the various furnace components.
FIRE OR EXPLOSION HAZARD
This furnace is designed and approved for use with Nat-
ural Gas and (LP) Propane Gas ONLY. DO NOT BURN
ANY LIQUID FUEL OR SOLID FUEL IN THIS FURNACE.
Burning any unapproved fuel will result in damage to the
furnace heat exchanger, which could result in Fire, Per-
sonal Injury, and/or Property Damage.
5 EXAMINE ENTIRE
FURNACE CASING
SHOWN IN ALL
DRAWINGS
3
EXAMINE
3
RETURN AIR
DUCT
CONNECTION
FIGURE 3: Furnace Examination Checkpoints
2
GAS VALVE
VENT PIPE
INDUCER
BLOWER
CONDENSATE
TRAP
CONTROL
BOARD
1
EXTERNAL HEAT EXCHANGER INTERNAL
VENT COMBUSTION AIR PIPE. MUST
REMOVE PANEL TO EXAMINE.
4 EXAMINE
FURNACE
CASING
INSTRUCTIONS FOR EXAMINING THE FURNACE
INSTALLATION
It is the owner's responsibility to ensure that an annual inspection of the
entire heating portion of the unit is made by a qualified service agency.
1.
Examine the heat exchanger, vent/combustion air piping, vent
connectors and chimney to be sure they are clear and free of
obstructions.
2.
Examine the vent pipe making sure it is firmly in place, that it
slopes slightly upward and is physically sound without holes and
all of the connections are secure.
3.
Examine the return-air duct connections to make sure they are
physically sound, sealed to the furnace casing, and the ducts ter-
minate outside the space containing the furnace.
4.
Examine the furnace casing making sure the physical support is
sound without sagging, cracks or gaps. Examine the furnace base
making sure it is physically sound without cracks, gaps or sagging
and has a good seal.
5.
Examine the furnace casing for obvious signs of deterioration.
6.
Examine the burner flames to make sure they are in good adjust-
ment. Refer to the pictorial sketch shown in Figure 2 as a compari-
son to the actual flame.
7.
Examine the furnace as outlined above in steps "1 - 6" before
each heating season. Use Figure 3 for visual reference.
MANIFOLD
FIGURE 2: Burner Flame Drawing
2
EXAMINE EXTERNAL
VENT PIPE
BURNER DOOR
6
REMOVE
PANEL
TO EXAMINE
BURNER
FLAMES
BLOWER DOOR
COMBUSTION AIR
INTAKE
BURNER
FLAME
INNER FLAME
CONES
MAIN
BURNER
4
EXAMINE
FURNACE
CASING
3
Unitary Products Group
EXAMINE
RETURN AIR
DUCT
CONNECTION
(side or bottom)
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