Heat & Glo RED60 Installation Manual page 38

Note: 1 ft. of vertical drop decreases
horizontal length by 2 ft.
V1
NOTE: Maximum total vent run= Total vertical vent run + Total horizontal vent run
DIRECT VENT WITH 2 FT. MINIMUM VERTICAL (V
MAX. ELBOWS
DIRECT VENT WITH 3 FT. MINIMUM VERTICAL (V
MAX. ELBOWS
DIRECT VENT WITH 4 FT. MINIMUM VERTICAL (V
MAX. ELBOWS
EXAMPLE: An appliance with 4 ft. vertical off the top (V
a maximum vent run length (Total V + Total H) of 28 ft.
Figure 4.51
38
H1
V2
MAXIMUM
VERTICAL
DROP
MAX. TOTAL VENT RUN (FT.)
(45° & 90°)
3
4
*1 ft. vertical drop decreases horizontal length by 2 ft.
MAX. TOTAL VENT RUN (FT.)
(45° & 90°)
3
4
*1 ft. vertical drop decreases horizontal length by 2 ft.
MAX. TOTAL VENT RUN (FT.)
(45° & 90°)
3
4
*1 ft. vertical drop decreases horizontal length by 2 ft.
34 ft. - (3 ft vertical drop x 2*) = 28 ft.
Heat & Glo • RED60 Installation Manual • 2159-980 Rev. D • 11/13
NOTICE: If a a pipe confi guration includes a vertical
component that goes downward, a vertical component
going back upward is not allowed.
H2
) OFF TOP OF APPLIANCE
1
Total V + Total H
24 ft.
17 ft.
)OFF TOP OF APPLIANCE
1
Total V + Total H
29 ft.
22 ft.
) OFF TOP OF APPLIANCE
1
Total V + Total H
34 ft.
26 ft.
), a vertical drop of 3 ft. (V
1
MAX. VERT. DROP (FT.)
V
2
7 ft.
7 ft.
MAX. VERT. DROP (FT.)
V
2
7 ft.
7 ft.
MAX. VERT. DROP (FT.)
V
2
7 ft.
7 ft.
) and a total of 3 elbows can have
2