Bradford White Combi2 TTW C-DW2-TW50T10FBN, Руководство пользователя

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18
Venting (Part I) continued-
TABLE 3
3” (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating # of
Elbows
Max Straight
Length ft (m)
Min
straight
Length
ft (m)
48,65 gal.
(2) 90
°
Elbows with (1) 90
°
Elbow
1 40 (12.2) 5 (1.5)
(2) 90
°
Elbows with (1) 90
°
Elbow
2 35 (10.7) 5 (1.5)
(2) 90
°
Elbows with (1) 90
°
Elbow
3 30 (9.1) 5 (1.5)
(2) 90
°
Elbows with (1) 90
°
Elbow
4 25 (7.6) 5 (1.5)
TABLE 4
4” (10.2 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 4” to 3”)
(Reduce 10.1 cm to 7.6 cm)
# of
Elbows
Max straight
Length ft (m) Min
straight
Length
ft (m)
48,65 gal.
(2) 90
°
Elbows with (1) 90
°
Elbow
1 160 (48.8) 10 (3.1)
(2) 90
°
Elbows with (1) 90
°
Elbow
2 155 (47.2) 10 (3.1)
(2) 90
°
Elbows with (1) 90
°
Elbow
3 150 (45.7) 10 (3.1)
(2) 90
°
Elbows with (1) 90
°
Elbow
4 145 (44.2) 10 (3.1)
(2) 90
°
Elbows with (1) 90
°
Elbow
5 140 (42.7) 10 (3.1)
HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2,500
FEET (762 m) ABOVE SEA LEVEL
The capacit y of t he induced draf t blow er declines w it h increasing alt it ude
due t o a reduct ion in t he air densit y. In order t o assure saf e and reliable
perf ormance of t he w at er heat er, cont act t he supplier f or high alt it ude kit .