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INTRODUCTION
Please read our instructions before you install and use
your furnace. This will help you obtain the full value from
this furnace. It will also help you avoid any needless service
costs if the answer to the problem is found within this
instruction manual.
BASIC DESCRIPTION
Your Counterflow Top Vented Wall Furnace is shipped ready
to install on the surface of a wall or recessed up to 9-1/4 inches
in a wall, with wall studs spaced 16 inches center to center.
Vent piping and exhaust are not part of the Williams furnace
package and must be purchased separately.
Always consult your local heating or plumbing inspector,
building department or gas utility company regarding
regulations, codes or ordinances which apply to the
installation of a counterflow top vented wall furnace.
Air is drawn in at the top by the fan and discharges through a
grille near the floor. A two-speed fan is used with all models.
The furnace contains multi-slot burners and burns either
natural or propane gas, depending on the model you have
purchased.
WARNING: CARBON MONOXIDE POISONING HAZARD
Failure to follow the steps outlined below for each appliance connected to the venting system being placed
into operation could result in carbon monoxide poisoning or death.
The following steps shall be followed for each appliance connected to the venting system being placed into
operation, while all other appliances connected to the venting system are not in operation:
1)
Seal any unused openings in the venting system.
2) Inspect the venting system for proper size and
horizontal pitch, as required in the National Fuel
Gas Code, ANSI Z223.1/NFPA 54 or the natural gas
and propane Installation Code, CSA B149.1 and
these instructions. Determine that there is no
blockage or restriction, leakage, corrosion and other
deficiencies which could cause an unsafe condition.
3) As far as practical, close all building doors and
windows and all doors between the space in which
the appliance(s) connected to the venting system
are located and other spaces of the building.
4) Close fireplace dampers.
5) Turn on clothes dryers and any appliance not
connected to the venting system. Turn on
any exhaust fans, such as range hoods and
bathroom exhausts, so they are operating at
maximum speed. Do not operate a summer
exhaust fan.
This appliance is equipped with a vent safety shutoff system
designed to protect against improper venting of combustion
products. Operation of this wall furnace when not connected
to a properly installed and maintained venting system or
tampering with the vent safety shutoff system can result in
carbon monoxide (CO) poisoning and possible death.
The combustion system draws combustion air directly from
the room in which the furnace is installed, and through
ventilation grilles or ducts connected to the outdoors, such as
an attic or crawl space. The combustion gases are discharged
through the roof within a listed vent pipe.
The furnace heat exchanger is built of heavy gauge steel
treated for corrosion resistance, The fan at the top forces air
down along the front, back and sides of the heat exchanger
where it is discharged into the room, The furnace cabinet is
also constructed of heavy gauge steel and has a neutral beige
color enamel paint finish.
The furnace controls are located behind an access door on
the lower front of the furnace. AII models are equipped with
American Gas Association listed gas valves and pilots.
6) Follow the lighting instructions. Place the appliance
being inspected into operation. Adjust the thermostat
so appliance is operating continuously.
7) Test for spillage from draft hood equipped appliances
at the draft hood relief opening after 5 minutes
of main burner operation. Use the flame of a match
or candle.
8) If improper venting is observed during any of the
above tests, the venting system must be corrected
in accordance with the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 and/or natural gas and propane
Installation Code, CSA B149.1.
9) After it has been determined that each appliance
connected to the venting system properly vents
when tested as outlined above, return doors, windows,
exhaust fans, fireplace dampers and any other
gas-fired burning appliance to their previous
conditions of use.
MAGNUM FORSAIRE COUNTERFLOW TOP VENT GAS WALL HEATER
5
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