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

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24
Venting (Part II) continued-
TABLE 7
2” (5.1 cm) VENT PIPE LENGTHS FROM INSIDE WALL FOR LOW
GROUND CLEARANCE INSTALLATIONS
Terminating # of
Elbows
Max straight
Length ft (m) Min straight
Length ft (m)
(2) 90
°
Elbows with Vent Terminal
1 30 (9.1) 2 (.6)
(2) 90
°
Elbows with Vent Terminal
2 25 (7.6) 2 (.6)
(2) 90
°
Elbows with Vent Terminal
3 20 (6.1) 2 (.6)
(2) 90
°
Elbows with Vent Terminal
4 15 (4.6) 2 (.6)
TABLE 8
3” (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 3” to 2”)
(Reduce 7.6 cm to 5.1 cm)
#of
Elbows
Maximum
Length ft (m)
Minimum
Length ft (m)
(2) 90
°
Elbows with Vent Terminal
1 100 ( 30.5) 10 (3.1)
(2) 90
°
Elbows with Vent Terminal
2 95 (29.0) 10 (3.1)
(2) 90
°
Elbows with Vent Terminal
3 90 ( 27.4) 10 (3.1)
(2) 90
°
Elbows with Vent Terminal
4 85 (25.9) 10 (3.1)
(2) 90
°
Elbows with Vent Terminal
5 80 (24.4) 10 (3.1)
HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2,500
FEET (610 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 .