Dyna-Glo BFSS10LPT-2P Manual De Instrucciones página 10

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PREPARING FOR INSTALLATION
Ventilation Air From Inside Building
This fresh air would come from adjoining
unconfined space. When ventilating to an
adjoining unconfined space, you must
provide two permanent openings: one
within 12 in. of the wall connecting
the two spaces (see options 1 and 2,
Fig. 1). You can also remove door into
adjoining room (see option 3, Fig. 1).
Follow the National Fuel Gas Code
NFPA 54/ANS Z223.1. Air for Combustion
and Ventilation for required size of
ventilation grills or ducts.
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation
grills or duct. You must provide two
permanent openings: one within 12 in. of
the ceiling and one within 12 in. of the floor.
Connect these items directly to the outdoors
or spaces open to the outdoors. These
spaces include attics and crawl spaces.
Follow the National Fuel Gas Code NFPA
54/ANS Z223.1. Air for Combustion and
Ventilation for required size of ventilation
grills or ducts.
IMPORTANT: Do not provide openings for
inlet or outlet air into attic if attic has a
thermostat-controlled power vent. Heated
air entering the attic will activate the power
vent. Rework worksheet, adding the space
of the adjoining unconfined space. The
combined spaces must have enough fresh
air to supply all appliances in both spaces.
Ventilation Air from Inside Building
Or
Remove
Door into
Ventilation
Adjoining
Grills
Room,
Into Adjoining
Option 3
Room,
Option 1
12 in.
Ventilation Air from Outdoors
Outlet
Air
Outlet
Air
Inlet
Air
Inlet Air
9
Figure 1
12 in.
Ventilation Grills
Into Adjoining Room,
Option 2
Figure 2
Ventilated
Attic
To Attic
To Crawl
Space
Ventilated
Crawl Space
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