Lennox Hearth X-FIRES-1000-LP - Manual (Page 6)

6
This appliance is a high efficiency, unvented, flame effect gas
heater . It provides radiant and convected warmth both efficiently
and safely utilizing the latest type catalytic convertor burner
technology . The appliance does not require a flue system of any
type as the catalytic converter cleans the flue products to provide
a complete combustion system, which is intrinsically safe .
These heaters are fitted with a specially designed pilot utilizing an
oxygen depletion sensor (ODS) which responds to the amount
of oxygen available in the room and shuts the heater off before
the oxygen level drops below 18% . It must not be adjusted or
put out of operation . If replaced then manufacturers original
parts must be used . The pilot can be relit only when fresh air is
available . Refer to the Combustion and Ventilation Air section .
The appliance is designed to fit various types of situations as
listed in the installation requirements .
This appliance is factory set for operation on the gas type, and
at the pressure stated on the appliance rating plate .
Read all these instructions before commencing installation .
All instructions must be left in the possession of the user for
safekeeping .
Allow the heater to cool before servicing. Always shut off the
gas to the heater while performing service work.
The installation must conform with local codes or, in the
absence of local codes with the National Fuel Gas Code,
ANSI Z223.1/NFPA 54-latest edition.
The appliance and its appliance main gas valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess
of 1/2 psi (3.5 kPa).
The appliance must be isolated from the gas supply piping
system by closing its equipment shut-off valve during any
pressure testing of the gas supply piping system at test pres-
sures equal to or less than 1/2 psi (3.5 kPa).
Input ratings are shown in BTU per hour and are for elevations
up to 4,500 feet. Do not install this heater at an elevation
above 4,500 feet if the gas supply has not been derated for
that elevation. Consult your local gas supplier. (For operation
at elevations above 4,500 feet, equipment ratings shall be
reduced at the rate of 4 percent for each 1,000 feet above
4,500 feet before selecting appropriately sized equipment).
When installing any vent-free appliance at elevations above
4500 feet, nuisance pilot outages may occur.
Ensure that the heater is clean when operating. Excessive
dust accumulation on the burner will increase the amount
of carbon monoxide formation and could lead to carbon
monoxide poisoning and/or death.
This appliance is intended for supplemental heating. If the
appliance is used in a room as the sole source of heat, then
condensation may occur on colder surfaces within the room.
Maintain minimum clearances.
Do not install the appliance in a sleeping room or bathroom.
Do not place any objects on top of the appliance.
Keep heater area clear and free from combustible materials,
gasoline and other flammable vapors and liquids.
IMPORTANT: Read and understand these instruc-
tions completely before installing or operating your
unvented room heater.
WARNING
Failure to keep the primary air opening(s) of the
burner(s) clean may result in sooting and property
damage.
WARNING
This appliance is equipped for (natural or propane)
gas. Field conversion in not permitted.
WARNING
Do not allow fans to blow directly into the fireplace.
Avoid any drafts that alter burner flame patterns.
WARNING
Check gas type: The gas supply must be the same
as stated on the appliance’s rating plate. If the gas
supply is different DO NOT install the appliance.
Contact your dealer for the correct model.
WARNING
Do not use a blower insert, heat exchanger insert
or other accessory not approved for use with this
heater.
WARNING
Due to the nature of this product the area around
the top of the appliance (i.e. the grill) gets very hot.
Care should be taken when operating the appliance.
General Information