Orientation - Bryant 820SB Installation, Operating, & Maintenance Instructions

820SB/821SB: Installation, Start–Up, Operating and Service and Maintenance Instructions
Caution!! For the following applications, use the minimum vertical heights as specified below.
For all other applications, follow exclusively the National Fuel Gas Code.
Table 9 – Recommended Minimum Vent Height Per Furnace and Vent Orientation
FURNACE

ORIENTATION

Downflow Vent elbow up then left
Downflow Vent elbow left, then up
Downflow Vent elbow up, then right
*. 4-in. (102 mm) inside casing or vent guard
†. Including 4 in. (102 mm) vent sections
NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFPA 54/ANSI Z223.
Fig. 32 – Upflow Application - Vent Elbow Up
Fig. 33 – Upflow Application - Vent Elbow Right
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
VENT ORIENTATION
Fig. 34
Fig. 36
Fig. 37
FURNACE INPUT
(BTUH/HR)
110,000
110,000
110,000
Fig. 34 – Downflow Application - Vent Elbow Up then Left
A03208
Fig. 35 – Downflow Application - Vent Elbow Up
A03209
22
MIN. VENT MIN. VERTICAL VENT
DIAMETER HEIGHT
*
IN. (mm) FT. (M)
5 (127) 10 (3.0)
5 (127) 12 (3.6)
5 (127) 10 (3.0)
†
A03210
A03211