Instruction/ maintenance manual of the product G50UHi Lennox International Inc.
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07/03 *2P0703* 504,650M *P504650M* G50UHi SERIES Litho U.S.A. 504,650M 07/03 E 2003 Lennox Industries Inc. Dallas, T exas, USA WHA T TO 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 apĆ pliance.
Page 2 G50UHi Parts Identification DURALOK TM HEA T EXCHANGER ASSEMBL Y UPPER ACCESS P ANEL BURNERS BLOWER MOTOR CABINET CONTROL BOX GAS V AL VE AND MANIFOLD COMBUSTION AIR INDUCER BLOWER ACCESS P ANEL FLUE TRANSITION TOP CAP SURELIGHT ® CONTROL BOARD FIGURE 1 BLOWER CONTROL MODULE W ARNING Product contains fiberglass wool.
Page 3 W ARNING Do no t use thi s fur nac e if any par t has be en und erĆ water . A flood-damaged furnace is extremely danĆ gerous. Attempts to use the furnace can result in fire or explosion.
Page 4 The g as valve on t he G50UHi will be e quipped with either a gas control knob or l ever . Use only your hand to turn the gas c ontrol k nob o r p ush the gas lever . Never u se tools. If the k nob or l ever will n ot move b y h and, do n ot t ry to r epair it .
Page 5 4 - White Rodgers 36E/36F Gas V alve - Switch gas valve lever to OFF . Honeywell VR8205 Gas V alve - Tu r n k n o b o n g a s valve clockwise t o OFF . Do not force. 5 - Replace the upper access panel. Filters All G50UHi filters a re installed external to the unit.
Page 6 Service Reminder Call your Lennox service technician if the unit w ill not operĆ ate. Before calling, always check the following to be sure service is required: 1 - Check that electrical disconnect switches are ON. 2 - Check room thermostat for proper setting.
Page 7 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 nameplate -- Example: G50UHi-36A-070-1.
An important point after buying a device Lennox International Inc. G50UHi (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lennox International Inc. G50UHi yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lennox International Inc. G50UHi - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox International Inc. G50UHi you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox International Inc. G50UHi will certainly help you make a decision on the purchase.
If you already are a holder of Lennox International Inc. G50UHi, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lennox International Inc. G50UHi.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox International Inc. G50UHi. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox International Inc. G50UHi along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
