43
Direct Vent - Vertical
Vertical Venting
Height*
Air Inlet
Max. Length**
Model
Certified
Venting
Material
Vent Size
Min.
Max.
Combustion Air
Intake Pipe
Material
6”
8”
302A
5”
402A
100’
N/A
502A
6”
75’
652A
752A
902A
Category II
or IV
8”
5’
25’
Galvanized Steel,
PVC,
ABS,
CPVC
40’
100’
Note: When vertical height exceeds 25 ft, consult
factory prior to installation.
Fig. 40: Direct Vent - Vertical
Table S: Category II or IV Vertical Venting
* Vent lengths are based on a lateral length of 2 ft. Refer to the latest edition of the NFGC for further details.
When vertical height exceeds 25 ft, consult factory prior to installation.
** Subtract 10 ft per elbow. Max. 3 elbows.
Maximum combustion air duct length terminated at 100 equivalent ft.
Содержание Hi Delta 302A
Страница 2: ...2...
Страница 38: ...38 Fig 34 High Low Gas Pressure Switch Fig 35 Fan Proving Switch Fig 36 Blocked Vent Switch...
Страница 44: ...44 Wiring Diagram...