International comfort products N9MP1 Installation Instructions Manual page 31

Concentric Vent and Combustion−
Figure 26
Air Roof Termination
2" (50.8mm) Max
12, (304.8mm)
Min. Grade or
Snow Level
Combustion
Air
Concentric Vent and Combustion−
Figure 27
Air Sidewall Termination
Combustion Air
Exhaust
Vent
Dimension "A" is touching or 2" (50.4mm) maximum separation.
Sidewall Inlet Vent and Exhaust−
Figure 28
Air Termination
Exhaust
"A"
Inlet
12, (304.8mm) Min.
Grade or Snow Level
Dimension "A" is touching or 2" (50.4mm) maximum separation.
440 01 1024 04
Exhaust
36" Min
(914.4mm)
OR
36" Min
(914.4mm)
1, (25.4mm)
Maximum
Vent
"A"
25-22-02d
"A"
8, Min.
8, (457.2MM) Min.
204 (6.1m) Max.
18, (457.2mm) Min. for Cold Climates
[Sustained 05F(-175C) and below for
24 hours or more consecutive hours]
Specifications are subject to change without notice
Sidewall Inlet Vent and Exhaust−Air
Figure 29
Termination with Exterior Risers
18, Min. for Cold Climates
(Sustained temperatures 05 F
and below for 24 or more con­
secutive hours)
8, Min.
204 Max.
Exhaust
"A"
Dimension "A" is touching or 2" (50.4mm) maximum separation.
Rooftop Inlet Vent and Exhaust−
Figure 30
Air Termination
18, Min. for Cold Climates
8, (203.2MM) Min.
(Sustained temperatures
204 (6.1) Max.
05 F and below for 24 or
more consecutive hours)
Inlet
12, (304.8mm)
Min. Grade or
Snow Level
8, Min.
12, Min.
Grade or
Inlet
Snow Level
"A"
Exhaust
18, (457.2mm) Min. for Cold Climates
[Sustained 05F(-175C) and below for
24 hours or more consecutive hours]
25-22-43
31