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flange temporarily while the remaining attachment and sealing of
the coil are performed.
Downflow Furnaces
Connect supply- -air duct to supply- -air outlet on furnace. Bend
flange inward past 90_ with wide duct pliers. (See Fig. 14) The
supply- -air duct must be connected to ONLY the furnace supply
outlet or air conditioning coil casing (when used). When installed
on combustible material, supply- -air duct must be connected to
ONLY the factory- -approved accessory subbase or a factory- -
approved air conditioning coil casing. DO NOT cut main furnace
casing to attach supply side air duct, humidifier, or other
accessories. All accessories MUST be connected to duct external
to furnace casing.
OUTER DOOR
A S SEMBLY
(2) HEX NUTS, (2) WASHERS & (2) LOCK WASHERS
REQ. PER ROD
8" (203mm) MIN
FOR DOOR REMOVAL
Fig. 15 - - Horizontal Unit Suspension
Fig. 16 - - Horizontal Suspension with Straps
Fig. 14 - - Duct Flanges
" (6mm) THREADED ROD
1
/
4
4 REQ.
SECURE ANGLE
IRON TO BOTTOM
OF FURNACE WITH
3 #8 x
3
/
" (19mm) SCREWS
4
TYPICAL FOR 2 SUPPORTS
1" (25mm) SQUARE, 1-1/4"x1-1/4"x1/8" (32x32x3mm)
ANGLE IRON OR UNI-STRUT MAY BE USED
METHOD 2
USE (4) #8 x 3/4 (19 mm) SHEET
METAL SCREWS FOR EACH
STRAP . THE STRAPS
SHOULD BE VERTICAL
AGAINST THE FURNACE
SIDES AND NOT PULL AWAY
FROM THE FURNACE
SIDES.
METHOD 1
FOLD ALL STRAPS UNDER
FURNACE AND SECURE WTH
(4) #8 x 3/4 (19 mm) SHEET METAL SCREWS
(2 SCREWS IN SIDE AND 2 SCREWS
IN BOTTOM).
12
A190346
A10130
A10131
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