Instruction/ maintenance manual of the product 43506 3Com
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W ARNING Read and follow all safety information in this manual, operating instructions and furnace safety labels. Failure to follow safety precautions could result in damage, injury or death. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
Contents Section 1 Rating Plate Information ....................................... 1 Section 2 Important Safety Precautions ............................... 1 Section 3 Understanding How Y our Furnace W orks ............ 3 Section 4 T urning Off Furnace in an Emergency .
Manual 2100-279 Page 1 SECTION 2 • IMPORTANT SAFETY PRECAUTIONS 2.A HAZARD ALERT SYMBOL W ARNING Any condition that will allow gas of combustion products to enter furnace area can cause nausea, asphyxiation or fire resulting in damage, injury or death.
Manual 2100-279 Page 2 W ARNING Any unfamiliar smell can alert you to presence of gas or aldehydes. If you detect any unfamiliar odor follow instruction in Section 4.B.1. Otherwise, nausea, asphyxiation or fire could occur resulting in damage, injury or death.
Manual 2100-279 Page 3 3.1 BASIC OPERATION – HEATING CYCLE This furnace is operated by an Electronic Blower Control (EBC) and a gas control system which controls all functions of the furnace. On a call for heat from the thermostat, the EBC first turns on the inducer motor.
Manual 2100-279 Page 4 FIGURE 1 – TYPICAL GAS PIPING c. Manual Shutoff Valve at Natural Gas Meter or Propane (LP) Gas Tank Normally, natural gas is ON when you turn shutoff parallel to gas pipe. Gas is OFF when you turn shutoff 90° from gas pipe. Some valves require a wrench or other tools.
Manual 2100-279 Page 5 c. Your furnace should now be off. If it is, call your service technician or gas supplier. d. If your furnace continuers to run, leave your home or building immediately. Call your gas supplier or fire department from a neighbor’s phone for help.
Manual 2100-279 Page 6 SECTION 5 • OPERATING YOUR FURNACE After reading the Safety Information and Precautions follow Operating Instructions on front door of furnace and instructions repeated here. W ARNING If you do not follow these instructions exactly a fire or explosion could occur resulting in damage, injury or death.
Manual 2100-279 Page 7 CAUTION A dirty air filter(s) reduces system efficiency and can cause erratic control performance. These could result in damage to blower motor or heat exchanger. 6.D KEEP AIR FILTER(S) CLEAN As a user, your personal responsibility is to keep air filter(s) clean.
Manual 2100-279 Page 8 5. Restore the electrical power to the furnace by turning the switch back on. Adjust the thermostat to call for heating operation. 6. Observe both the pilot flame and main burners flames, and compare to Figures 5 and 6 respectively.
Manual 2100-279 Page 9 MIS-058 FIGURE 3 FIGURE 4 MIS-059.
Manual 2100-279 Page 10 FIGURE 8 SECTION 7 • AIR CONDITIONING START UP PROCEDURE CRANKCASE HEATERS Single and three phase models have an insertion well-type heater located in the lower section of the compressor housing. This is a self-regulating type heater that draws only enough power to maintain the compressor at a safe temperature.
Manual 2100-279 Page 11 SECTION 9 • REPLACEMENT PARTS Replacement parts for the gas/electric units are available through local distributors. A replacement parts list manual is supplied with each unit.
An important point after buying a device 3Com 43506 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com 43506 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 3Com 43506 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com 43506 you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com 43506 will certainly help you make a decision on the purchase.
If you already are a holder of 3Com 43506, 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 3Com 43506.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com 43506. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com 43506 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
