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6 - COMBUSTION AIR AND VENT PIPING
Side Wall
Terminations
3" (8 cm) Minimum horizontal
separation between combustion air
intake and vent terminations.
8" (21 cm) Minimum vertical
separation between combustion air
intake and vent terminations.
12" (30 cm) Separation between
bottom of combustion air intake and
bottom of vent.
Multiple terminations as shown in
6-1, 6-2, and 6-3 must be a minimum
of 12” (30 cm) horizontally between
vent of one termination and air intake
of next appliance.
Maximum allowable total outside
exposure vent length equals 10 ft.
(3.05m).
Maintain a pitch of 1/2" per ft
(0.15m/m) back to boiler to ensure
proper condensate drainage for
horizontal runs.
Roof
Terminations
3" (8 cm) Minimum horizontal
separation between combustion air
intake and vent of same appliance.
8" (21 cm) Minimum vertical
separation between combustion
air intake and vent of different
appliances.
15" (38 cm) Maximum horizontal
length of vent.
Minimum vent/intake between
different appliances 12" (30cm).
Maximum allowable total vertical
vent length with outside exposure
equals 10 ft.(3.05m).
Abandoned unused masonry
chimney may be used as chaseway
for combustion air and vent. Both
combustion air and vent pipe must
exit above top of chimney with
clearances as shown in Figure 6-1.
12" (30 cm)
Minimum
8" (21 cm)
Minimum
15" (38 cm)
Maximum
3" (80mm)
Minimum
Vent
Combustion
Air
12" (30 cm) US,
18" (46 cm) Canada
Minimum Above
Anticipated Snow Line
Vent
3" (8 Cm)
Minimum
Separation
12" (30 Cm)
Minimum From
Overhang
12" (30 Cm) Separation
Between Bottom Of
Combustion Air Intake And
Bottom Of Vent
See Snow & Ice
Page 25
Combustion Air
Vent
12" (30Cm)
Minimum
Separation
See Snow & Ice
Page 25
FIGURE 6-1
FIGURE 6-2
FIGURE 6-3
Combustion Air
Roof Line
Содержание 075 97gb
Страница 44: ...44 13 TROUBLE SHOOTING ...
Страница 48: ...48 13 TROUBLE SHOOTING ...
Страница 50: ...50 13 TROUBLE SHOOTING ...
Страница 61: ...61 14 WIRING DIAGRAM 14 1 Connection Diagram ...
Страница 62: ...62 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form ...
Страница 78: ...78 NOTES ...
Страница 79: ...79 Company Address Phone Company Name Tech Initials Service Performed Date ...