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SG 240 & 288 Parts Arrangement
ECONOMIZER
DAMPERS
(OPTIONAL)
BLOWER
MOTOR
BLOWERS (2)
IMC
CONDENSATE
DRAIN
SUPPLY AIR VFD
(OPTIONAL)
GAS VALVE
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
EVAPORATOR
FILTERS
COIL
(TWELVE − 20
X 20 X 2")
L E
N
O X N
COMBUSTION AIR
INDUCER
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.
Dallas, TX 75379−9900
Label all wires prior to disconnection when servic-
ing controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
Page 2
CONDENSER
FANS (6)
CONDENSER
COMPRESSORS (4)
BURNERS
WARNING
P.O. Box 799900
CAUTION
FILTER
DRIERS
COILS
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