Lennox GSR21V, GSR21Q User Manual
PRODUCT LITERATURE
¤
1996 Lennox Industries Inc.
Dallas, Texas
503,073M
9/98
Supersedes 6/96
£
GSR21Q & V
SERIES
GAS
FURNACE
If the information in this manual is not
followed exactly, a fire or explosion
may result causing property damage,
personal injury, or death.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinityofthis or anyother appliance.
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
Litho U.S.A.
:$51,1*
WHAT TO DO IF YOU SMELL GAS:
- Do not try to light any appliance.
- Extinguish any open flames.
- Do not touch any electrical switch; do not
use any phone in your building.
- Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s instructions.
- If you cannot reach your gas supplier, call
the fire department.
3DJH
*65 4 9 6(5,(6 3$576 $55$1*(0(17
(Horizontal Application Shown)
ELECTRONIC
IGNITION
SPARK
PLUG
FLAME
SENSOR
FLAPPER
HEAT
EXCHANGER
AIR
VALVE
PRESSURE
SWITCH
PURGE
BLOWER
FIGURE 1
BLOWER
EXHAUST
CONNECTION
VARIABLE SPEED BLOWER MO-
TOR
USED ON GSR21V UNITS ONLY
FILTER
CONTROL
BOX
INTAKE
CONNECTION
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WARNING
Do not use this furnace if any part has been underwater. Immediately call a qualified service technician to inspect the furnace and to replace any part
of the control system and any gas control which
has been under water.
WARNING
If overheating occurs or if gas supply fails to shut
off, shut off the manual gas valve to the appliance
before shutting off electrical supply.
CAUTION
Beforeattemptingtoperform any serviceormaintenance, turn the electrical power to unit OFF at disconnect switch.
BEFORE LIGHTING smell all around the appliance
area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on
the floor.
WARNING
Do not set thermostat below 60ºF(16ºC) in heating
mode. Settingthermostat below 60º (16ºC) reduces
the number of heating cycles. Damage to the unit
may occur that is not covered by the warranty.
Useonlyyourhandtopushinormovethegas control
lever or switch. Never use tools. If the lever or switch
willnotpushinormovebyhand,donottrytorepairit,
callaqualifiedservicetechnician.Forceorattempted
repair may result in a fire or explosion.
,03257$17 ',5(&7,216
1- Keep thefurnace area clear and freeof combustible
material, gasoline, and other flammable vapors and
liquids. If installedin aninsulated area,furnace must
bekeptfreeof insulatingmaterial.Insulatingmaterial
may be combustible.
2- DONOTobst ruc tairf lowtouni t.Unitmustrec eive
an unobs truc ted flow ofcombust ion and v entilating air. D o not obstruct termi nation ends of exhaust and intake pipes.
3- DO NOT store chlorineor fluorineproducts near unit
or introduce these products into the combustion air.
These products can cause furnace corrosion.
3DJH
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