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SG 240 & 288 Parts Arrangement
COMBUSTION AIR
INDUCER
EVAPORATOR
COIL
BLOWER
MOTOR
CONDENSER
FANS (6)
CONDENSER
COILS
COMPRESSORS (4)
BURNERS
GAS VALVE
BLOWERS (2)
CONDENSATE
DRAIN
FILTERS
(TWELVE − 20
X 20 X 2")
ECONOMIZER
DAMPERS
(OPTIONAL)
IMC
SUPPLY AIR VFD
(OPTIONAL)
FILTER
DRIERS
LE
N
O
X
N
Safety
1− Keep gas heat section clear and free of combustible
materials, gasoline and other flammable vapors and
liquids.
2− Do not obstruct air flow to unit. Unit must receive an
unobstructed flow of combustion and ventilating air.
WARNING
Danger of explosion and fire. Failure to
follow safety warnings exactly could
result in dangerous operation, serious
injury, death or property damage.
WARNING
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser-
vice must be performed by a qualified installer, ser-
vice agency or the gas supplier
WARNING
Product contains fiberglass wool.
Disturbing the insulation in this product during
installation, maintenance, or repair will expose you
to fiberglass wool. Breathing this may cause lung
cancer. (Fiberglass wool is known to the State of
California to cause cancer.)
Fiberglass wool may also cause respiratory, skin,
and eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets
available from address shown below, or contact
your supervisor.
P.O. Box 799900
Dallas, TX 75379−9900
CAUTION
Label all wires prior to disconnection when servic-
ing controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.