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6
VENTILATION AIR
Ventilation Air From Outdoors
Provide extra fresh air by using
ventilation grills or ducts: 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/ANSI Z223.1, Section 5.3.
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.
NOTICE: This heater is
intended for use as supplemental
heat. Use this heater along with
your primary heating system. Do
not install this heater as your
primary heat source. If you have
a central heating system, you
may run system’s circulating
blower while using heater. This
will help circulate the heat
throughout the house. In the
event of a power outage, you can
use this heater as your primary
heat source.
WARNING: A qualified
service person must install
heater. Follow all local codes.
CHECK GAS TYPE
Use only Propane/LP gas. If your
gas supply is not Propane/LP, do not
install heater. Call dealer where you
bought heater for proper type heater.
INSTALLATION NEEDS
Before installing heater, make sure
you have the items listed below.
l piping (check local codes)
l sealant (resistant to Propane/LP
gas)
l equipment shutoff valve*
l ground joint union
l test gauge connection*
l sediment trap
l tee joint
l pipe wrench
*A CSA/AGA design-certified
equipment shutoff valve with 1/8"
NPT tap is an acceptable
alternative to test gauge connection.
Purchase the optional CSA/AGA
design certified equipment
shutoff valve from your
dealer. See Accessories, page 17.
LOCATING HEATER
This heater is designed to be
mounted on a wall.
For convenience and efficiency,
install heater
l where there is easy access for
operation, inspection, and service
l in coldest part of room
INSTALLATION
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as tobacco
smoke, aromatic candles, clean-
ing fluids, oil or kerosene lamps,
etc.) in the air exist may discolor
walls.
WARNING: Never install
the heater
l in a bathroom(Models
ML100HPA and ML100TPA ,
only ML060HPA is allowed in a
bathroom. Check local codes.)
l in a recreational vehicle.
l where curtains, furniture.
l as a fireplace insert.
l in high traffic areas.
l in windy or drafty areas.
Figure 3 -Ventilation Air from Outdoors
CAUTION: If you install the
heater in a home garage
l heater pilot and burner must
be at least 18 inches above
floor.
l locate heater where moving
vehicle will not hit it.
When the heater is installed in
Bathrooms,do not use flammable
products such as aerosol hair spray,
foot spary or any product that contains
flammable vapors and keep towels
away from heater.(only ML060HPA is
allowed in a bathroom.)
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