Instruction/ maintenance manual of the product ML180UHE Lennox International Inc.
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05/1 1 *2P0511* 506733−01 *P506733-01* ML180UHE SERIES Litho U.S.A. 506733−01 05/201 1 E 201 1 Lennox Industries Inc. Dallas, T exas, USA 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 ap- pliance.
Page 2 ML180UHE Part s Identification FIGURE 1 HEA T EXCHANGER ASSEMBL Y BURNERS BLOWER MOTOR GAS V AL VE AND MANIFOLD COMBUSTION AIR INDUCER TOP CAP INTEGRA TED CONTROL PRESSURE SWITCH BLOWER ACCESS P ANEL UPPER ACCESS P ANEL NOTE − This manual is the property of the homeowner and must be left with the equipment user .
Page 3 CAUTION Before attempting to pe rform any service or mainte- nance, turn the electrical power to unit OFF at the disconnect switch. W ARNING Do not set thermost at below 60°F (16°C) in heating mode. Setting thermost at below 60°F (16°C) reduces the number of heating cycles.
Page 4 this a ppliance is maintained. Proper maintenance is c riti- cal for your safety and the satisfactory operation of the product. Lennox strongly recommends annual in- spection and maintenance of this appliance. Contact your L ennox d ealer f or a n i nspection b y a licensed profes - sional service technician (or equivalent).
Page 5 Filters All M L180UHE filters a re i nstalled e xternal t o the unit. Fil- ters s hould b e inspected monthly . C lean o r r eplace t he f il- ters w hen n ecessary t o e nsure p roper furnace operation. Replacement f ilters m ust be rated for high velocity airflow .
Page 6 Service Reminder Call your Lennox service technician if the unit will not oper- 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 Part s List The following repair p ar ts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: ML180UHE045P36A.
An important point after buying a device Lennox International Inc. ML180UHE (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. ML180UHE 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. ML180UHE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox International Inc. ML180UHE 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. ML180UHE will certainly help you make a decision on the purchase.
If you already are a holder of Lennox International Inc. ML180UHE, 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. ML180UHE.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox International Inc. ML180UHE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox International Inc. ML180UHE 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
