Lennox G40UH(X) manual

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Table of contents for the manual

  • Page 1

    06/00 $ 503,991M $! G40UH(X) SERIES Litho U.S.A. 503,991M 6/2000 WHA T TO DO IF YO U SMELL GAS: Do not try to light any appliance. Do not touch any electr ical switc h; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instruc[...]

  • Page 2

    Page 2 G40UH(X) Parts Identification DURALOK TM HEA T EXCHANGER ASSEMBL Y UPPER ACCESS P ANEL BURNERS BLOWER MOTOR GAS MANIFOLD CABINET CONTROL BOX GAS VA LV E COMBUSTION AIR PROVING (PRESSURE ) SWITCH COMBUSTION AIR INDUCER BLOWER ACCES S P ANEL FLUE COLLAR TOP CAP SURELIGHT CONTROL BOARD NAMEPLA TE FIGURE 1 W ARNI NG Product contai ns fiberglass [...]

  • Page 3

    Page 3 W ARNING Do not use this furnace if any part has been unde r water . Immediately call a qualif ied service technician to in spect the furnace an d to replace an y part of t he control system and any ga s control which ha s been under water . IMPORT ANT Any additions, changes, or conversi ons required in order for the appliance to satisfactor[...]

  • Page 4

    Page 4 The gas valv e on the G40UH(X) will be equipped with e i- ther a gas c ontrol knob or lever . Use only your hand to turn the gas control knob or pus h the gas lever . Never us e tools. If the knob or lever will no t move by hand, d o not try to repair it. Call a qualified servic e technician. Forc e or at- tempted repair may result in a fir [...]

  • Page 5

    Page 5 4- White R odgers 36 E/36F G as Valve - Switch gas valv e lever t o OFF . Honey well VR8205 G as V alve - T urn knob on gas valv e c lock wis e to OFF .D on o tf o r c e . 5 - Replace the upper acces s panel. Filters This unit is not equipped with a filter or rack. A field-pr o- vided high-veloc ity filter is r equired for the unit to operat[...]

  • Page 6

    Page 6 Planned Service Y ou should expect a s ervice technic ian to chec k the follow- ing items during an annual ins pection. Power to the unit must be shut off for the ser vice technic ian’s safety . Fresh air g rilles and louvers (on the unit and in the r oom where the furnace is installed) - Mus t be open and unob- struct ed to provide combus[...]