background image

Page 2

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.

Содержание SGA036

Страница 1: ...or s phone Follow the gas suppli er s instructions D If you cannot reach your gas supplier call the fire department Dallas Texas D Extinguish any open flames ROOFTOP UNITS READ ALL INSTRUCTIONS IN THI...

Страница 2: ...20 X 2 ECONOMIZER DAMPERS OPTIONAL BURNERS FILTER DRIER L L E N O X N L E N O X N IMC SG 120 Parts Arrangement L E N O X N L E N O X N L E N O X N L E N O X N COMBUSTION AIR INDUCER EVAPORATOR COIL BL...

Страница 3: ...ustment 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 sup...

Страница 4: ...operty Vent ini tial supply air outside when possible Unit Operation FOR YOUR SAFETY READ BEFORE LIGHTING BEFORE LIGHTING smell all around the furnace area for gas Be sure to smell next to the floor b...

Страница 5: ...gas supplier Turning Off Gas to Furnace 1 If using an electromechanical thermostat set to the lowest setting 2 Before performing any service turn off all electrical power to the furnace 3 Open or remo...

Страница 6: ...er lubrication is required Blower shaft bearings are prelubricated For extended bearing life relubricate at least once every two years with a lithium base grease such as Alvania 3 Shell Oil Chevron BR...

Страница 7: ...s obstructed Under normal operating conditions the combustion air blower wheel should be checked and cleaned prior to the heating season However it should be examined periodically during the heating s...

Страница 8: ...is required 1 Be sure electrical disconnect switches are ON 2 Check room thermostat for proper setting 3 Replace any blown fuses or reset circuit breakers 4 Gas valve should be ON 5 Air filters shoul...

Отзывы: