Carrier 140/E Series - Downflow Furnaces

15
METHOD 2
USE (42) #8 x 3/4 (19 mm) SHEET
METAL SCREWS TYPICAL
FOR EACH STRAPS.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
(42) #8 x 3/4 (19 mm) SHEET METAL SCREWS
(2 SCREWS IN SIDE AND 2 SCREWS
IN BOTTOM).
A03176
Fig. 16 -- Horizontal Suspension with Straps
30-IN . (762mm)
MIN WORK AREA
6 ″ M IN
*
TYPE-B
VENT
17
3
/ 4 ″
22 ″
SHEET
MET AL
SEDIMENT
TRAP
EQUIPMENT MANU AL
SHUT -OFF GAS VA LV E
LINE CONT A CT ONL Y PERMISSIBLE BETWEEN
LINES FORMED BY INTERSECTIONS OF
THE T OP AND TW O SIDES OF THE FURNA CE
JA CKET AND BUILDING JOISTS ,
STUDS , OR FRAMING.
GAS
ENTR Y
17
3
/ 4 ″ (451mm) OVERALL
4
3
/ 4 ″ (121mm) UNDER DOOR
1 ″
(25mm) UNDER FURNACE
EXTEND OUT 12 ″
(305mm)
FR OM FA CE OF DOOR
* WHEN USED W ITH
SINGLE W ALL VEN T
CONNECTIONS
UNION
(152mm)
(451mm)
(559mm)
A03177
Fig. 17 -- Typical Attic Installation
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 accessory subbase, KGASB0201ALL, 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.
58CV