Lennox GSR21Q manual

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Table of contents for the manual

  • Page 1

    GSR21Q & V SERIES Litho U .S.A. 503,073M 9/98 Supersedes 6/96 WHA T T O DO IF YOU SMELL GAS: 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 . - Do not try to light any a[...]

  • Page 2

    HEA T EXCHANGER INT AKE CONNECTION EXHAUS T CONNECTION CONTROL BOX PRESSUR E SWITCH SP ARK PLUG FLAME SENSOR AIR FLAPPER VA L V E PURGE BLOWER (Horizontal Application Shown) ELECTRON IC IGNITION V ARIABLE SPEED BLOW ER MO- TOR USED ON GSR21V UNITS ONL Y W ARNING Do not use t his furnace if any part has been under- water . Immediately call a qualifi[...]

  • Page 3

    4- DO NOT d raw the return air fro m a room wh ere another gas appliance (ie., a w ater heater) is installed. Even though this furnace draws its c om- bustion air from outs ide of the structure, other gas appliances that share a utility room may not. When return air is dr awn from a room, a negativ e press ure is created in the room. If a gas appli[...]

  • Page 4

    7- On Roberts haw 7200 gas v alve, depres s lever on gas control and mov e to ON and release. For White Rodgers 36E gas valves , move switc h to ON . 8- Replace unit acces s panel. 9- T urn on all electrical power to unit. 10- Set thermostat to des ired setting. See figure 3. 1 1- If t he furnace will not operate, follow the instruc tions “T o T [...]

  • Page 5

    Motors are pre-lubricated for extended bearing lif e; no further lubrication is required. At the beginning of each heating season, the system should be checked as follows: 1- Examine the termination ends of the intake and ex- haust lines for obstructions or blockages . 2- Check the intake and exhaust lines for holes, s ag- ging or broken isolation [...]

  • Page 6

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