Venting - Horizontal Termination - Empire Comfort Systems Boulevard MULTIFUNCTION REMOTE DVLL48SP90N-1 Installation Instructions And Owner's Manual

VENTING - HORIZONTAL TERMINATION

One 90-Degree Elbow
DOESN'T AFFECT
ALLOWABLE (B)
DIMENSION
A
B
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
NotICE: Pipe straps must be used every 2 feet to secure venting.
Two 45-Degree Elbows
Installation requirements to replace the first 90-degree elbow with
two 45-degree elbows:
A
EXAMPLE VENT RUNS
INITIAL PIPE A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
Page 34
1' MIN. RISE
C L
B (Horizontal)
MAXIMUM
53 45
65 84 (7ft)
77 144 (12ft)
89 204 (17ft)
Figure 42
ELBOWS DO NOT
AFFECT ALLOWABLE
(B) DIMENSION
1' MIN. RISE
C L
B
B (Horizontal)
MINIMUM MAXIMUM
57 See Venting Graph
69 See Venting Graph
81 See Venting Graph
93 See Venting Graph
Figure 43
Two 90-Degree Elbows
NotICE: Subtract 3 feet from the total horizontal measurement for
each 90-degree elbow. Subtract 1-1/2 feet from the total horizontal
measurement for each 45-degree elbow.
DOESN'T AFFECT
ALLOWABLE (B)
DIMENSION
B
SUBTRACT 3'
FROM (B)
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
36
48
Three 90-Degree Elbows
SUBTRACT
3' FROM (B)
A
TO BOTTOM
OF UNIT
SUBTRACT 3'
FROM (B)
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
A
TO BOTTOM
OF UNIT
B (Horizontal)
MAXIMUM
77 108 (9ft)
89 168 (14ft)
Figure 44
DOESN'T AFFECT
X
ALLOWABLE (B)
DIMENSION
B
B (Horizontal)
MAXIMUM
53 + (x) See Venting Graph
65 + (x) See Venting Graph
77 + (x) See Venting Graph
89 + (x) See Venting Graph
Figure 45
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