A.O. Smith ATX-199, Инструкция по эксплуатации

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20
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area of the opening.
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Check that Air Source is Clean and Free of Chemicals
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Table 6
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Table 6. Minimum Free Area by Ventilation Type
Opening Source Minimum Free Area
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1 in
2
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2
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Figure 8
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Figure 9 .)
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Figure 13 .)
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1 in
2
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Figure 10 .)
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1 in
2
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Figure 11 .)
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openings
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1 in
2
FP
2
SHU%WXKU
(See
Figure 12 .)
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National Fuel Gas Code ANSI
Z223.1/NFPA 54
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Combustion Air Supply Options
Figure 8 through Figure 12
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Gable vent
to outdoors
Install above
ŝŶƐƵůĂƟŽŶ
Outlet air to
ĂƫĐϭŝŶ 2 ;ϲ͘ϱĐŵ 2 )
per 4,000 btu/h
/ŶůĞƚĂŝƌĨƌŽŵ
ƚŚĞĐƌĂǁůƐƉĂĐĞ
KƉĞŶĨŽƵŶĚĂƟŽŶǀĞŶƚ
ŽŶĮŶĞĚ
^ƉĂĐĞ
Alternate
Air Inlet
ϭŝŶ 2 ;ϲ͘ϱĐŵ 2 )
per 4,000 btu/h
Figure 8. Air from Outdoors Openings
Two permanent
Openings
1 in 2 (6.5 cm 2 )
per 4,000 btu/h
12” (305 mm)
maximum
ŽŶĮŶĞĚ
Space
12” (305 mm)
maximum
Figure 9. Outdoor Air Through Two Openings