17
Venting 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 gal.
(2) 90
Elbows with (1) 90
Elbow
1 30
(9.1)
5
(1.5)
(2) 90
Elbows with (1) 90
Elbow
2 25
(7.6)
5
(1.5)
(2) 90
Elbows with (1) 90
Elbow
3 20
(6.1)
5
(1.5)
(2) 90
Elbows with (1) 90
Elbow
4 15
(4.6)
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 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 2,000
FEET (762 m) ABOVE SEA LEVEL
The capacity of the induced draft blower declines with increasing altitude due to
a reduction in the air density. In order to assure safe and reliable performance
of the water heater, contact the supplier for high altitude kit.
Summary of Contents for TTW URG2PV50H6N
Page 27: ...27 Wiring Diagram Figure 6...
