Carrier DIRECT VENT 4 58HDV - Manual (Page 30)

30
Combustion
Air
Exhaust
12 ″″ (304.8mm)
Min. Grade or
Snow Level
36” Min 2” (50.8mm) Max
36”Min
OR
(914.4mm)
(914.4mm)
A07718
Fig. 26 -- Concentric Vent and Combustion--Air
Roof Termination
“A”
Vent
Dimension “A” is touching or 2 ″ (50.8mm) maximum separation.
25--22--02d Vent
Combustion Air
1 ″ (25.4mm)
Maximum
Exhaust
A07695
Fig. 27 -- Concentric Vent and Combustion Air
Sidewall Termination
12 ″″ (304.8mm) Min.
Grade or Snow Level
8 ″ (457.2mm) Min.
20 ′ (6.1m) Max.
“A”
“A”
Exhaust
Inlet
Dimension “A” is touching or 2 ″ (50.8mm) maximum separation.
18 ″ (457.2mm) Min. for Cold Climates
[Sustained 0 °F(-17°C) and below for
24 hours or more consecutive hours]
8 ″ Min.
A07696
Fig. 28 -- Sidewall Inlet Vent and Exhaust--Air Termination
Exhaust
8 ″ (203.2mm) Min.
Inlet
“A”
“A”
Dimension “A” is touching or 2 ″ (50.8mm) maximum separation.
12 ″ (457.2mm)
Min. Grade or
Snow Level
18 ″ (457.2mm) Min. for Cold Climates
[Sustained 0 °F(-17°C) and below for
24 hours or more consecutive hours]
8 ″ (203.2mm) Min.
20 ′ (6.1m) Max.
A07697
Fig. 29 -- Sidewall Inlet Vent and Exhaust--Air Termination
with Exterior Risers
12 ″″ (304.8mm)
Min. Grade or
Snow Level
Exhaust
8 ″ (203.2mm) Min.
20 ′ (6.1m) Max.
25--22--43
Inlet
18 ″ (457.2mm) Min. for Cold Climates
[Sustained 0 °F(-17°C) and below for
24 hours or more consecutive hours]
A07698
Fig. 30 -- Rooftop Inlet Vent and Exhaust--Air Termination
58H
D
V