Installation / Operation Instruction Manual

16
Venting continued-
TABLE 4 - 2 in (5.1 cm) VENT CONNECTOR LENGTHS FROM INSIDE
WALL FOR LOW GROUND CLEARANCE INSTALLATIONS
Terminating
# of 2”
Elbows
(excl. vent
terminals)
Minimum
Straight
Length
ft (m)
Maximum
Straight
Length
ft (m)
Installation elevation
above sea level ft, (m)
0-10100
(0-3079)
0-5400
(0-1646)
5401-7800
(1646-2378)
7801-10100
(2378-3079)
(2) 90 2” Elbows
w/ (1) 90 Elbow
1
2 (0.6)
35 (10.7)
20 (6.1)
10 (3.1)
(2) 90 2” Elbows
w/ (1) 90 Elbow
2
2 (0.6)
30 (9.1)
15 (4.6)
5 (1.5)
(2) 90 2” Elbows
w/ (1) 90 Elbow
3
2 (0.6)
25 (7.6)
10 (3.1)
NA
(2) 90 2” Elbows
w/ (1) 90 Elbow
4
2 (0.6)
20 (6.1)
5 (1.5)
NA
TABLE 5 – 3 in (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE
WALL FOR LOW GROUND CLEARANCE INSTALLATIONS
Terminating
(Reduce 3 in to 2 in)
(Reduce 7.6 cm to 5.1 cm)
# of 2”
Elbows
(excl. vent
terminals)
Minimum
Straight Length
ft (m)
Maximum
Straight Length
ft (m)
Installation elevation
above sea level ft, (m)
0-10100
(0-3079)
0-10100
(0-3079)
(2) 90 Elbows with Vent
Terminal
1
10 (3.1)
105 (32.0)
(2) 90 Elbows with Vent
Terminal
2
10 (3.1)
100 (30.5)
(2) 90 Elbows with Vent
Terminal
3
10 (3.1)
95 (29.0)
(2) 90 Elbows with Vent
Terminal
4
10 (3.1)
90 (27.4)
(2) 90 Elbows with Vent
Terminal
5
10 (3.1)
85 (25.9)