Руководство по эксплуатации Lennox International Inc. Lennox Gas

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 2012 Lennox Industries Inc.
Dallas, Texas, USA
EL280DF
506897−01
08/2012
SERIES
GAS FURNACE
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), a service agency, or the gas supplier.
Litho U.S.A.
WARNING
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exactly
could result in serious injury, death, or
p

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EL280DF Parts Identification ® BLOWER SURELIGHT INTEGRATED MOTOR CONTROL COMBUSTION AIR INDUCER PRESSURE SWITCH COMBUSTION AIR INDUCER ACCESS PANEL HEAT EXCHANGER GAS VALVE ASSEMBLY BURNER BOX ASSEMBLY FIGURE 1 NOTE − This manual is the property of the homeowner activated, furnace operation will stop. If your home is left and must be left with the equipment user. unattended for an extended period of time, equipment op- eration must be checked periodically. If this is not possible, Notice to Hom

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Your furnace is a gas appliance. It is critical that the gas CAUTION supplied to the unit be completely burned to avoid the pro- Before attempting to perform any service or mainte- duction of carbon monoxide gas. Complete combustion of nance, turn the electrical power to unit OFF at the the gas requires, but is not limited to, correct gas pressure disconnect switch. and gas flow rate, adequate combustion air and proper venting. NOTICE Any additions, changes, or conversions required in WARNING or

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7 − Wait five minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a DANGER neighbor’s phone. Follow the gas supplier’s instruc- Danger of explosion. tions. If you do not smell gas go to next step. There are circumstances in which odorant used with 8 − Move switch on gas valve to ON. Do not force. See LP/propane gas can lose its scent. In case of a leak, figure 2. LP/propane gas will settle close to the floor and may be difficult to smell. An LP/p

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Inspect the furnace venting system to make sure it is in Filters place, physically sound and without holes, corrosion, or EL280DF filters are installed external to the unit. Filters blockage. The vent connector must be correctly posi- should be inspected monthly. Clean or replace the filters tioned and sloped upward. The vent connector must be when necessary to ensure that the furnace operates prop- physically sound, without holes or excessive corrosion. erly. Replacement filters must be rated f

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Safety Precautions Planned Service If you discover any of the following, shut down your You should expect a service technician to check the follow- unit, and contact a Lennox dealer for an inspection by ing items during an annual inspection. Power to the unit a licensed professional service technician (or equiva- must be shut off for the service technician’s safety. lent). Fresh air grilles and louvers (on the unit and in the room  If you repeatedly hear any new or unfamiliar sounds where the f

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Repair Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: EL280DF110P60C−1. All service must be done by a li- censed professional installer (or equivalent), a service agency, or the gas supplier. Cabinet Parts Heating Parts Main access panel Flame Sensor Blower access panel Heat exchanger assembly Top Cap Gas manifold Control Panel Parts Combustion air ind