Instruction/ maintenance manual of the product F8AUH Lennox
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1 1999 45,000 to 120,000 Btuh (13.2 to 35.2 kW) Heating Capacity 1 through 5 T ons (3.5 to 17.6 kW) Add-On Cooling F8AUH Gas Furnaces – Up-Flow / Horizontal User ’ s Information Manual RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 503,995M 06/99 Supersedes 05/99 T able of Contents Important Directions 2 .
2 P ARTS IDENTIFICA TION 2 3 1 - COMBUSTION AIR BLOWER 2 - PRESSURE SWITCH 3 - BURNERS 4 - HEA T EXCHANGER 5 - GAS V AL VE 6 - CONTROL BOARD 7 - BLOWER 7 1 5 6 4 W ARNING Product c ontains fiberglass w ool.Disturbing t he insulation in this product during installation, maintenance, or repair will expose you to fiber Ć glass wool.
3 2 - DO NOT obstruct air flow to u nit. Unit must receive an unobstructed flow of combustion and ventilating air . 3 - DO N OT s tore c hlorine o r f luorine p roducts n ear u nit o r introduce these products into the combustion air . These products can cause furnace corrosion.
4 6 - White Rodgers 36E Gas V alv e - Switch gas valve lever to OFF . do n ot f or c e. S ee f ig ur e 2. Honeywell V R8205 Gas V alve - T urn knob on gas valve clockwise t o OFF .
5 UPFLOW F URNACE SIDE RETURN AIR FIG URE 5 Blower Check and clean blower wheel for any debris. Blower motor is prelubricated for extended bearing life. No further lubrication is needed. W ARNING Blower door must be securely in place when blower and burners are operating.
6 S If you experience headache, nausea, fatigue, or dizziĆ ness, the cause could be exposure to carbon monoxĆ id e gas. This is often misdiagnosed as the flu because symptoms are similar .
An important point after buying a device Lennox F8AUH (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 F8AUH 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 F8AUH - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox F8AUH you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox F8AUH will certainly help you make a decision on the purchase.
If you already are a holder of Lennox F8AUH, 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 F8AUH.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox F8AUH. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox F8AUH 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
