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Lennox G20 Series User's Information Manual

Lennox G20 Series User's Information Manual

Lenoxx user's information manual gas furnace g20

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PRODUCT LITERATURE
¤
1992 Lennox Industries Inc.
Dallas, Texas
502,754M
9/98
Supersedes 4/95
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice agency or the gas supplier.
£
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 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 
*
6(5,(6
Litho U.S.A.

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Summary of Contents for Lennox G20 Series

  • Page 1 £ PRODUCT LITERATURE ¤ 1992 Lennox Industries Inc. Dallas, Texas 502,754M 9/98 Supersedes 4/95 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Installation and service must be per- formed by a qualified installer, ser- vice agency or the gas supplier.
  • Page 2: Parts List

    G20E / G20X PARTS IDENTIFICATION HEAT TOP STRIP EXCHANGER DRAFT HOOD BLOCKED VENT SHUT-OFF SWITCH UPPER ACCESS PANEL IGNITION CONTROL MANIFOLD ROLL-OUT SWITCH PILOT/ELECTRODE LIMIT ASSEMBLY CONTROL REMOVABLE BURNER BURNER BOX TOP BURNER BOX DAMPER ASSEMBLY 3DJH ...
  • Page 3: Important Directions

    Your furnace is a gas appliance. It is critical that the gas supplied to the unit be completely burned to avoid the pro- duction of carbon monoxide gas. Complete combustion...
  • Page 4: To Turn Off Gas To Unit

    NOTE-When unit is initially started, steps 1 through 11 may need to be repeated to purge air from pilot line. 12- If the furnace still will not operate, follow the instruc- tions “To Turn Off Gas To Unit” and call your service technician or gas supplier.
  • Page 5: Filters

    The blocked vent shut-off switch shuts off the gas supply to the furnace in the event of flue or vent blockage. The flame roll-out switch shuts off the gas supply to the furnace if there is a 3DJH  PILOT FLAME...
  • Page 6: Service Reminder

    If the furnace fails to op- erate due to the functioning of either of these switches, DO NOT attempt to place the furnace into operation. Con- tact a qualified service person. SERVICE REMINDER Call your Lennox service technician if unit is inoperative.

This manual is also suitable for:

G20eG20x