Carrier 58PAV User Manual
Page 9
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3. For all applications, the horizontal length of vent and
vent connector must not exceed the vertical height of
the vent system.
4. Addition of insulation to vent connector and vent
allows for longer horizontal runs in certain applications
as indicated with an asterisk (*) in appropriate tables.
5. When Type B-1 vent pipe is used for vent connector, it
must be insulated as indicated with an asterisk (*) in
the vent tables.
Table 8—Dedicated Type B-1 Vent For
58PAV075-GC and JC Maximum
Horizontal Length Allowed (Ft)
A89017
Fig. 11 —Dedicated Vent (Typical)
Table 6—Dedicated Type B-1 Vent For
58PAV035-EC and GC Maximum
Horizontal Length Allowed (Ft)
Height
Number of 90° Elbows
Vent
Pipe
0
1
2
3
4
5
5
0
5
5
4
NA
NA
4-lN.
DIAMETER
10
0
10
10
10
10
10
15
0
10
10
10
10
10
20
0
6
6
6
6
6
20*
0
20*
20*
20*
20*
20*
25
0
NA
NA
2
2
2
25*
0
25*
25*
25*
25*
25*
30
NA
NA
NA
NA
NA
NA
30*
0
30*
30*
30*
30*
30*
5
0
5
5
5
5
5
5-IN.
DIAMETER
10
0
4
4
4
4
4
15
0
NA
NA
NA
NA
NA
15*
0
15*
15*
15*
15*
15*
20
NA
NA
NA
NA
NA
NA
20*
0
20*
20*
20*
20*
20*
25
NA
NA
NA
NA
NA
NA
25*
0
25*
25*
25*
25*
25*
30
NA
NA
NA
NA
NA
NA
30*
0
30*
30*
30*
30*
30*
Height
Number of 90° Elbows
Vent
Pipe
0
1
2
3
4
5
5
NA
NA
NA
NA
NA
NA
4-IN.
DIAMETER
10
0
10
NA
NA
NA
NA
15
0
15
15
15
NA
NA
20
0
20
20
20
16
10
25
0
25
25
25
25
20
30
0
30
30
30
30
30
5
0
5
5
5
NA
NA
5-IN.
DIAMETER
10
0
10
10
10
10
10
15
0
15
15
15
15
15
20
0
20
20
20
20
20
25
0
22
22
22
22
22
30
0
20
20
20
20
20
NA—Not allowed. Condensation or positive pressure In vent system
could occur.
♦Insulated with 1-in. of foil-backed Insulation per Section A.5.
Table 9—Dedicated Type B-1 Vent For
58PAV090-GC, JC, and LC Maximum
Horizontal Length Allowed (Ft)
Table 7—Dedicated Type B-1 Vent For
58PAV055-EC and GC Maximum
Horizontal Length Allowed (Ft)
Height
Number of 90° Elbows
Vent
Pipe
0
1
2
3
4
5
5
NA
NA
NA
NA
NA
NA
4-IN.
DIAMETER
10
NA
10
NA
NA
NA
NA
15
0
15
8
6
NA
NA
20
0
20
20
16
12
4
25
0
25
25
24
18
12
30
0
30
30
30
28
22
5
0
5
2
NA
NA
NA
5-IN.
DIAMETER
10
0
10
10
10
NA
NA
15
0
15
15
15
15
15
20
0
20
20
20
20
20
25
0
25
25
25
25
25
30
0
30
30
30
30
30
Height
Number of 90° Elbows
Vent
Pipe
0
1
2
3
4
5
5
0
5
NA
NA
NA
NA
4-IN.
DIAMETER
10
0
10
10
10
NA
NA
15
0
15
15
15
15
15
20
0
20
20
20
20
20
25
0
18
16
16
16
16
25*
0
25*.
25*
25*
25*
25*
30
0
14
14
14
14
14
30*
0
30*
30*
30*
30*
30*
5
0
5
5
5
NA
NA
5-IN.
DIAMETER
10
0
10
10
10
10
10
15
0
15
15
15
15
15
20
0
12
12
12
12
12
20*
0
20*
20*
20*
20*
20*
25
0
8
8
8
8
8
25*
0
25*
25*
25*
25*
25*
30
0
4
4
4
4
4
30*
0
30*
30*
30*
30*
30*
NA—Not allowed. Condensation or positive pressure In vent system
could occur.
Table 10—Dedicated Type B-1 Vent For
58PAV110-JC and LC Maximum Horizontal
Length Allowed (Ft)
NA—Not allowed. Condensation
could occur.
♦Insulated with 1-in.
or positive pressure in vent system
of foil-backed insulation per Section A.5.
Height
Number of 90° Elbows
Vent
Pipe
0
1
2
3
4
5
5
NA
NA
NA
NA
NA
NA
5-IN.
DIAMETER
10
0
10
6
NA
NA
NA
15
0
15
15
15
15
6
20
0
20
20
20
20
20
25
0
25
25
25
25
25
30
0
30
30
30
30
30
5
0
5
5
4
NA
NA
6-IN.
DIAMETER
10
0
10
10
10
10
10
15
0
15
15
15
15
15
20
0
20
20
20
20
20
25
0
25
25
25
25
25
30
0
30
30
30
30
30
NA—Not allowed. Condensation
could occur.
or positive pressure in vent system