Audel HVAC Fundamentals Volume 2 Heating System Components, Gas and Oil Burners, and Automatic Controls

Thermostats and Humidistats

This chapter, and the two that immediately follow it, describe the principal components of the automatic control systems used in heating, ventilating, and air conditioning. The index should also be checked because additional information about automatic controls has been included in other chapters. Automatic Control Systems An automatic control system consists primarily of the following […]

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Coal Firing Methods

The fuel for a coal-fired furnace or boiler may be fed either auto­matically or by hand. Both methods have certain advantages and disadvantages. For example, automatic (stoker) firing is initially more expensive because it requires the purchase and installation of a suitable mechanical stoker to feed the coal to the furnace or boiler. As a […]

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Gas Burners

A gas burner (see Figure 2-1) is a device for supplying gas, or a mix­ture of gas and air, to the combustion area. Those used in residential and light commercial heating are most commonly high-pressure, gun-type burners. Only those gas burners approved by the American Gas Association (AGA) should be used in a heating system. […]

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Oil Burners

An oil burner is a mechanical device used to prepare the oil for burning in heating appliances such as boilers, furnaces, and water heaters. The term oil burner is somewhat of a misnomer because this device does not actually burn the oil. It combines the fuel oil with the proper amount of air for combustion […]

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About the Author

James E. Brumbaugh is a technical writer with many years of expe­rience working in the HVAC and building construction industries. He is the author of the Welders Guide, The Complete Roofing Guide, and The Complete Siding Guide.

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Introduction

All New 4th Edition James E. Brumbaugh The purpose of this series is to provide the layman with an introduc­tion to the fundamentals of installing, servicing, troubleshooting, and repairing the various types of equipment used in residential and light-commercial heating, ventilating, and air conditioning (HVAC) systems. Consequently, it was written not only for the HVAC […]

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