Page 8
EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE
(All Air Through Ventilated Attic)
NOTE-The inlet and outlet air openings shall each have a free area of
at least one square inch per 4,000 Btu (645mm
2
per 1.17kW) per hour
of the total input rating of all equipment in the enclosure.
OUTLET
AIR
VENTILATION LOUVERS
(Each end of attic)
INLET AIR
(Ends 12” above
bottom)
ROOF TERMINATED
EXHAUST PIPE
SIDE WALL
TERMINATED
EXHAUST PIPE
(ALTERNATE
LOCATION)
FURNACE
Figure 8
EQUIPMENT IN CONFINED SPACE -
ALL AIR FROM OUTSIDE
OUTLET AIR
INLET AIR
NOTE-Each air duct opening shall have a free area of at least one
square inch per 2,000 Btu (645mm
2
per .59kW) per hour of the total
input rating of all equipment in the enclosure. If the equipment room
cate directly with the outdoors, each opening shall have a free area
of at least 1 square inch per 4,000 Btu (645mm
2
per 1.17kW) per
hour of the total input rating of all other equipment in the enclosure.
ROOF TERMINATED
EXHAUST PIPE
SIDE WALL
TERMINATED
EXHAUST PIPE
(ALTERNATE
LOCATION)
FURNACE
Figure 9
Shipping Bolt Removal
Units with 1/2 and 3/4 hp blower motor are equipped
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HTXLSSHGZLWKDVKLSSLQJEROWDQGDÀDWZKLWHSODVWLFZDVK-
er (rather than the rubber mounting grommet used with a
ÀH[LEOHPRXQWLQJOHJ6HH)LJXUH7KHEROWDQGZDVKHU
must be removed before the furnace is placed into oper-
ation. After the bolt and washer have been removed, the
rigid leg will not touch the blower housing.
RIGID LEG
remove shipping bolt and washe
Units with 1/2 or 3/4 HP Blower Motor
Figure 10
Installation - Setting Equipment
WARNING
Do not connect the return air duct to the back of the
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the safety control devices, which could result in personal
injury or death.
WARNING
Blower access panel must be securely in place when
blower and burners are operating. Gas fumes, which
could contain carbon monoxide, can be drawn into living
space resulting in personal injury or death.
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The EL196UHE gas furnace can be installed as shipped
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Select a location that allows for the required clearances
that are listed on the unit nameplate. Also consider gas
supply connections, electrical supply, vent connection,
condensate trap and drain connections, and installation
and service clearances [24 inches (610 mm) at unit front].
The unit must be level from side to side. The unit may
be positioned from level to ½” toward the front. See
Figure 11. Allow for clearances to combustible materials
as indicated on the unit nameplate.
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