International comfort products R9MSB0801716 Installation Instructions Manual page 49

INSTALLATION INSTRUCTIONS
Table 13 – Maximum Allowable Exposed Vent Lengths Insulation Table − Ft. / M
Maximum Allowable Exposed Vent Length in Unconditioned Space (Feet)
Unit Size
Pipe Dia.
in.
1 ½
20 20
Winter
0 15
Design
­20 10
Temp
°F
­40 5
Unit Size
Pipe Dia.
in.
1 ½
20 15
Winter
0 15
Design
­20 15
Temp
°F
­40 10
Unit Size
Pipe Dia.
in.
2
20 20
Winter
0 20
Design
­20 15
Temp
°F
­40 10
Unit Size Uninsulated
Pipe Dia.
in.
2 ½
20 10
Winter
0 10
Design
-20 10
Temp
°F
-40 10
Not all families have these models
*
Maximum Allowable Exposed Vent Length in Unconditioned Space (Metric)
Unit Size
Pipe Dia.
mm
38
-7 6.1
Winter
-18 4.6
Design
-29 3.0
Temp
°C
-40 1.5
Unit Size
Pipe Dia.
mm
38 51
-7 4.6 12.2
Winter
-18 4.6 6.1
Design
-29 4.6 3.0
Temp
°C
-40 3.0 1.5
Unit Size
Pipe Dia.
mm
51
-7 6.1
Winter
-18 6.1
Design
-29 4.6
Temp
°C
-40 3.0
Unit Size
Uninsulated
Pipe Dia.
mm
64
-7 3.0
Winter
-18 3.0
Design
-29 3.0
Temp
°C
­40 3.0
Not all families have these models
*
440 01 6001 05
Uninsulated
2 2 ½ 3 1 ½
30 30 25
15 10 10
5
Uninsulated
2 2 ½ 3 4
40 40 35 30
20 15 10 5
10 5
5
Uninsulated
2 ½ 3 4
50 40 35
20 15 10
10 5
5
120,000 BTUH
3/8­in. Insulation
3 4 2 ½ 3 4
50 40 10 75 95
20 15 10 55 45
10 10 35 25
5 10 25 15
Uninsulated
51 64 76
9.1 9.1 7.6 6.1
4.6 3.0 3.0 6.1
1.5 6.1
6.1
Uninsulated
64 76 102 38
12.2 10.7 9.1 4.6
4.6 3.0 1.5 4.6
1.5 4.6
4.6
Uninsulated
64 76 102
15.2 12.2 10.7
6.1 4.6 3.0
3.0 1.5
1.5
120,000 BTUH
3/8­in. Insulation
76 102 64 76 102
15.2 12.2 3.0 22.9 28.9
6.1 4.6 3.0 16.8 13.7
3.0 3.0 10.7 7.6
1.5 3.0 7.6 4.6
Specifications subject to change without notice.
60,000 BTUH
3/8­in. Insulation
2 2 ½
20 75 65 60
20 40 30 25
20 25 20 15
20 15 15 10
80,000 BTUH
3/8­in. Insulation
1 ½ 2 2 ½ 3
15 50 90 75
15 50 45 35
15 35 30 20
15 25 20 15
100,000 BTUH
3/8­in. Insulation
2 2 ½ 3 4
20 80 95 80
20 55 45 35
20 35 30 20
20 25 20 10
Uninsulated
1/2­in. Insulation
2 ½ 3 4 2 ½ 3
10 75 105 5 55
10 65 50 5 25
10 45 30 5 10
10 30 20 5 5
60,000 BTUH
3/8­in. Insulation
38 51 64 76
22.9 19.8 18.3
12.2 9.1 7.6
7.6 6.1 4.6
4.6 4.6 3.0
80,000 BTUH
3/8­in. Insulation
51 64 76 102
15.2 27.4 22.9 19.8
15.2 13.7 10.7 9.1
10.7 9.1 6.1 4.6
7.6 6.1 4.6 1.5
100,000 BTUH
3/8­in. Insulation
51 64 76 102
6.1 24.4 28.9 24.4
6.1 16.8 13.7 10.7
6.1 10.7 9.1 6.1
6.1 7.6 6.1 3.0
1/2­in. Insulation Uninsulated
64 76 102 64 76
3.0 22.9 32.0 1.5 16.7
3.0 19.8 15.2 1.5 7.6
3.0 13.7 9.1 1.5 3.0
3.0 9.1 6.1 1.5 1.5
Gas Furnace: R9MSB
1/2­in. Insulation
3 1 ½ 2 2 ½
20 85 75
20 45 40
20 30 25
20 20 15
1/2­in. Insulation
4 1 ½ 2 2 ½
65 15 50 70
30 15 50 50
15 15 40 30
5 15 30 25
1/2­in. Insulation
2 2 ½ 3
20 80 105
20 65 55
20 45 35
20 30 25
140,000* BTUH
3/8­in. Insulation 1/2­in. Insulation
4 2 ½ 3 4 2 ½
50 5 65 105 5
15 5 65 50 5
5 5 45 30 5
5 30 20 5
1/2­in. Insulation
38 51 64
6.1 25.9 22.9
6.1 13.7 12.2
6.1 9.1 7.6
6.1 6.1 4.6
1/2­in. Insulation
38 51 64
4.6 15.2 21.3
4.6 15.2 15.2
4.6 12.2 9.1
4.6 9.1 7.6
1/2­in. Insulation
51 64 76
6.1 24.4 32.0
6.1 19.8 16.7
6.1 13.7 10.7
6.1 9.1 7.6
140,000* BTUH
3/8­in. Insulation 1/2­in. Insulation
102 64 76 102 64
15.2 1.5 19.8 32.0 1.5
4.6 1.5 19.8 15.2 1.5
1.5 1.5 13.7 9.1 1.5
1.5 9.1 6.1 1.5
3
65
30
20
10
3 4
70 70
40 35
25 15
20 10
4
90
45
25
15
3 4
65 125
65 60
50 40
35 25
76
19.8
9.1
6.1
3.0
76 102
21.3 21.3
12.2 10.7
7.6 4.6
6.1 3.0
102
27.4
13.7
7.6
4.6
76 102
19.8 38.1
19.8 18.3
15.2 12.2
35 7.6
49