ICP N9MP1 Service Manual page 17

Single Stage Multi Position Furnace
Concentric Vent and Combustion-
Figure 17
Air Roof Termination
"A"
Exhaust
12² ² ² ² Min.
Grade or
Snow Level
Combustion
Air
Dimension "A" is touching or 2² maximum separation.
Concentric Vent and Combustion- -
Figure 18
Air Sidewall Termination
1² ² ² ² Maximum
Combustion
Air
Exhaust
Vent
Dimension "A" is touching or 2² maximum separation.
Sidewall Inlet Vent and Exhaust- -Air
Figure 19
Termination
Ex-
haust
"A"
Inlet
12² ² ² ² Min. Grade
or Snow Level
Dimension "A" is touching or 2² maximum separation.
(TYP.)
Vent
"A"
25--22--02d
"A"
8² ² ² ²
Min.
8² ² ² ² Min.
20¢ ¢ ¢ ¢ Max.
18² ² ² ² Min. for
Cold Climates
(Sustained Below 0° ° ° ° F)
Sidewall Inlet Vent and Exhaust- -Air
Figure 20
Termination with Exterior Risers
18² ² ² ² Min. for Cold Climates
(Sustained Below 0° ° ° ° F)
Exhaust
"A"
Dimension "A" is touching or 2² maximum separation.
Rooftop Inlet Vent and Exhaust- -Air
Figure 21
Termination
18² ² ² ² Min. for Cold Climates
(Sustained Below 0° ° ° ° F)
12² ² ² ² Min.
Grade or
Snow Level
15
Service Manual
8² ² ² ²
8² ² ² ² Min. Min.
20¢ ¢ ¢ ¢ Max.
Inlet
Snow Level
"A"
8² ² ² ² Min.
Inlet
20¢ ¢ ¢ ¢ Max.
Exhaust
440 08 2001 02
12² ² ² ² Min.
Grade or
25--22--43