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Figure 2-Ventilation Air from Inside Building
Ventilation Air From Outdoors
Provide extra fresh air by using
ventilation grills or duct. You must
provide two permanent 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/
ANS Z223.1, Section 5.3. Air for
Combustion and Ventilation for re-
quired size of ventilation grills or
ducts.
IMPORTANT: Do not provide
openings for inlet or outlet air into
attic if attic has a thermostat-con-
trolled power vent. Heated air en-
tering the attic will activate the
power vent.
WARNING: 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.
NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system you may run the
system's circulating blower while
using the heater. This will help cir-
culate the heat throughout the
house. In the event of power
outage, you can use this heater as
your primary heat source.
WARNING:
A qualified ser-
vice person must install heater.
Follow all local codes.
NOTICE: State or local codes
may only allow operation of
this appliance in a vented
configuration. Check your
state or local codes.
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
face next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as to-
b a c c o s m o k e , a r o m a t i c
candles, cleaning fluids, oil or
kerosene lamps, etc.) in the air
exist may discolor walls.
WARNING: Before installing
in a solid flue burning firebox,
the chimney flue and firebox
must be cleaned of soot,
creosote, ashes and loose paint
by qualified chimney cleaner.
Creosote will ignite if highly
heated. A dirty chimney flue
may create and distribute soot
within the house. Inspect chim-
ney flue for damaged.
6
WARNING: Seal any fresh air
vents or ash clean-out doors lo-
cate on the floor or wall of
fireplace. If not, drafting may
cause pilot outage or sooting.
Use a heat resistant sealant. Do
not seal chimney flue damper.
IMPORTANT:
Vent-free heaters add
moisture to the air. Although this is
beneficial, installing heater in rooms
without enough ventilation air may cause
mildew to form from too much moisture.
See Air for Combustion and Ventilation,
pages 4 through 5.
CHECK GAS TYPE
Use only natural or propane/LP gas. If
supply is not natural or propane/LP, do
not install heater. Call dealer where you
purchased heater from for proper gas
type.
WARNING: Maintain the Mini-
mum clearances. If you can pro-
vide greater clearances from the
floor, ceiling, and adjoining wall.
Minimum Fireplace Clearance
to Combustible Materials
Log size
side wall
18",24",30"
16"
ceiling
42"
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