Gas Heater; Ventilation Air - Desa Comfort Glow CGP10TLA Owner's Operation And Installation Manual

VENT-FREE PROPANE/LP GAS HEATER
AIR FOR
COMBUSTION AND
VENTILATION
Continued
VENTILATION AIR
Ventilation Air From Inside
Building
This fresh air would come from anadjoining
unconfined space. When
ventilating to
an
adjoining unconfined space, you must pro-
vide two permanent openings: one within
12" of the ceiling and one within 12" of the
floor on the wall connecting the two spaces
(see options 1 and 2, Figure 2). You can also
remove door into adjoining room (see op-
tion 3, Figure 2). Follow the National Fuel
Gas Code NFPA 54/ANSI Z223.1, Section
5.3, Air for Combustion and Ventilation for
required size of ventilation grills or ducts.
A WARNING: Rework work-
sheet, adding the space of the
adjoining unconfined space. The
combined spaces must have
enough fresh air to supply ell
appliances In both spaces.
Ventilation
Grills
into Adjoining
Room,
Option 1
Or
Remove
Door into
Adjoining
Room,
Option 3
Figure 2 • Ventilation Air from Inside Building
12"
Ventilation Grills
IntoAdjoiningRoom,
Option2
Ventilation Air From Outdoors
Provide extra flesh air by using ventilation
grills or ducts. You must provide two per-
manent openings: one within 12" of the
ceiling and one within 12" 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/ANS1
Z223.1, Section 5, 3, Air for Combustion and
Ventilation for required size of ventilation
grills or duets.
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.
Outlet
Air
Inlet
Air
To Attic
--. To
1E Crawl
[] Space
Inlet Air Ventilated
Crawl Space
Figure 3 - Ventilation Air from Outdoors
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