Carrier N80ESN Series Installation Instructions Manual page 27

Caution!! For the following applications, use the minimum vertical vent heights as specified below. For all other applications,
FURNACE
ORIENTATION
Downflow
Horizontal Left
Horizontal Left
Horizontal Left
Downflow Vent elbow up then left Fig. 30
Downflow
NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFGC
*4 in. (102 mm) inside casing or vent guard
**Including 4 in. (102 mm) vent section(s)
SEE NOTES: 1,2,4,7,8,9
on the page following
these figures
Fig. 28 - - Upflow Application- -Vent Elbow Up
441 01 3400 02
follow exclusively the National Fuel Gas Code.
VENT ORIENTATION
Vent elbow left, then up
Fig. 32
Vent elbow right, then up
Fig. 35
Vent Elbow up
Fig. 37
Vent elbow right
Fig. 36
Vent elbow up, then right
Fig. 33
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Specifications are subject to change without notice.
MIN. VENT
FURNACE INPUT
DIAMETER
(BTUH/HR)
IN. (mm)*
154,000 132,000
5 (127)
110,000
154,000 132,000 5 (127)
154,000 132,000 5 (127)
154,000 5 (127)
110,000 5 (127)
110,000 5 (127)
SEE NOTES: 1,2,3,4,7,8,9
on the pages following
these figures
Fig. 29 - - Upflow Application- -Vent Elbow Right
MIN. VERTICAL VENT
HEIGHT
FT. (M)**
12 (3.6)
7 (2.1)
7 (2.1)
7 (2.1)
10 (3.0)
10 (3.0)
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