To create this article, 11 people, some anonymous, worked to edit and improve it over time. The amount of heat that was required to do this was called 1 btu british thermal unit. Refrigeration and air conditioning is the subject which deals with the techniques to control the environments of the living and nonliving subjects and thus provide them comforts to enable them to perform better and have longer lives. Title artculated, performancebased instruction objectives. It is intended to cover only the fundamentals of refrigeration theory and practice.
Audels refrigeration and air conditioning guide for engineers, servicemen, shop men and users. Buy basic refrigeration and air conditioning book online at. Mechanical refrigeration works by changing the the majority of heat is removed from the the majority of the works by removedchanging the absorbed heat is state of the refrigerant. A practical treatise covering the basic principles, servicing, operation and repair of 1. Conditioning formulas 1 btu amount of heat required to raise or lower temperature of one pound of water 1of 1 ton refrigeration 12,000 btuh 200 btumin 1 watt 3. A textbook of refrigeration and airconditioning by r. Buy basic refrigeration and air conditioning book online. For an air conditioning system to operate with economy, the refrigerant must be used repeatedly. Document resume ed 251 645 ce 040 232 author henderson, william edward, jr. Basic air conditioning formulas to determine cooling total airflow infiltration or ventilation number of air changes per hour total number of air changes. I will start this air conditioning basics tutorial on a very simple and nontechnical level with laymans terms, and then discuss technical details later. Basic principles of refrigeration air conditioning, heating. The highest levels of efficiency in these systems are achieved through a. The system evaluation manual and chiller evaluation manual.
Buy basics of refrigeration and air conditioning by m l anand pdf online. Refrigeration fundamentals 2175 west park place blvd. When 1 pound of ice melts, it absorbs 144 btu, as latent energy. Nov 29, 2012 refrigeration and air conditioning notes 1. Al last, ive discussed 2 numerical problems based on the above mentioned topics. This is the temperature at which all molecular motion stops and the. Refrigeration systems have gas installed in a series of tubes. Jul 12, 2016 window air conditioning split air conditioning packaged air conditioning centralised air conditioning 22.
The refrigeration and air conditioning craftsperson must have the ability to. It can be defined as the process of transferring heat from a low temperature regionto a high temperature region. As a refrigeration and air conditioning craftsperson will need to be physically active and to be able to work with your hands. Hfc4a is the sole gas used as a coolant in refrigeration systems. Refrigeration and air conditioning training course principles of refrigeration 32 hours, 32 nate cehs, 3. Air conditioning systems use builtin chemicals, bu. The danfoss product range for the refrigeration and air. Tthe craft ofhe craft of rrefrigeration efrigeration. Basic air conditioning formulas to determine cooling total airflow infiltration or ventilation number of air changes per hour total number of air changes per hour outdoor air total heat ht sensible heat h s latent heat hl leaving air d. This manual is designed to fill a need which exists for a concise, elementary text to aid servicemen, salesman, students, and others interested in refrigeration. On completion of this course, students should be able to 1. Ananthanarayanan author of basic refrigeration and. May 01, 20 buy basic refrigeration and air conditioning book online at best prices in india on. Temperature sets air conditioning and refrigeration apart.
At a lower temperature, molecular motion slows down and the growth of bacteria that causes food spoilage also retards. Topics and details covered in this hvac training course greatly assist in refrigerator and ac maintenance and repair. Gases give off heat when changed from gas to liquid. The refrigeration industry has long since utilized this definition. One ton of refrigeration was defined as the energy removal rate that will freeze 1. Liquids absorb heat when changed from liquid to gas. Refrigeration and air conditioning questions and answers pdf. Covers compressors, controls, components, motors, pipe, tube, valves and fittings, whole systems, and ozonefriendly refrigerants.
Air conditioning 101 learn basic terms for home hvac. Buy basic refrigeration and air conditioning book online at best prices in india on. Ananthanarayanan author of basic refrigeration and air. In old refrigerators, this gas was chloroflourocarbon, or cfc, but this has harmful effects on people, so refrigerators not contain hfc4a. This course forms the foundation and as such it is imperative that all persons complete the course. The online version of refrigeration and airconditioning by g. For professionals in the airconditioning and refrigeration installation and repair trade, this book is an essential toolbox guide. Our online hvac trivia quizzes can be adapted to suit your requirements for taking some of the top hvac quizzes. Contents this brochure assists you in selecting the right instruments. Gain a complete understanding of the refrigeration cycle and air conditioning cycle as well as air conditioning basics in this refrigeration course.
May 21, 2007 as air heats up, it expands and therefore weighs less. Basic intermediate air conditioning and refrigeration academy. This module covers the basic principles of heat transfer, refrigeration, and pressuretemperature relationships and describes the components and accessories used in air conditioned systems. Typically, commercial and industrial refrigeration systems are rated in tons of refrigeration tr. The unlocked version is printable, but cant be edited, or copied and pasted. Compressor basic refrigeration cycle evaporator condenser receiver expansion. As air heats up, it expands and therefore weighs less. Standard air is dry air at sea level with a temperature of 70f. How to understand the basic operation of the home air.
Learning about refrigeration is a never ending process and well understood fundamentals make learning more advanced concepts much easier. Purchase refrigeration and air conditioning 4th edition. Refrigeration and air conditioning training course. Temperature t2 enthalpy leaving air h 2 leaving air w. Heating, ventilation, and air conditioning instructional framework. Introduction chapter 1 introduction courtesy of frick background this guide identifies and discusses best practices for making industrial refrigeration systems both energyefficient and productive. Air conditioning theory there are two laws that are significant to understand the basic refrigeration cycle and air conditioning. However, first lets understand air conditioning theory, the basic principle, types of heat, how heat transfers and i will show you how the basic refrigeration cycle diagram works. Download basics of refrigeration and air conditioning by m l. Jan 08, 2006 for professionals in the air conditioning and refrigeration installation and repair trade, this book is an essential toolbox guide. For air conditioning calculations, the value of standard air is used for altitudes up to 2,000 ft. Air conditioning, heating and refrigeration technology. A textbook of refrigeration and airconditioning book. Guide for air conditioning, refrigeration, and heating.
Use specific gravity to determine the density of a material. This warming and cooling of the air is usually referred to as winter and summer air conditioning. In the past, this was done by collecting ice in the winter and using its specific heat to cool as the ice melted. For commercial and industrial refrigeration systems most of the world uses the kilowatt kw as the basic unit refrigeration. Ashevillebuncombe technical community college 340 victoria road asheville, north carolina 28801 usa 8283987900 emergency number. Balamugundansenior lecturerpanimalar engg college refrigeration and air conditioningrefrigeration. Objectives after studying this unit, you should be able to know what is refrigeration and air conditioning. Window air conditioning split air conditioning packaged air conditioning centralised air conditioning 22. While most air conditioning systems are based on the principle of refrigeration, the equipment in this part of the field typically deals with keeping food cold. Refrigeration fundamentals heatcraft worldwide refrigeration. The system evaluation manual and chiller evaluation. Ananthanarayanan is the author of basic refrigeration and air conditioning 4. Oct 07, 2017 6 unit of refrigeration and meaning of 1 ton of refrigerant. Refrigeration and air conditioning ppt linkedin slideshare.
Radiation the transfer of heat by passing from a source to an example. A form of air treatment whereby temperature, humidity, ventilation, and air cleanliness are all controlled within limits determined by the requirements of the air conditioned enclosure. Purchase refrigeration and airconditioning 4th edition. Apart from the described products for refrigeration and airconditioning applications, we offer a comprehensive standard program for the measurement of pressure, temperature and level. Basic intermediate air conditioning and refrigeration. For this reason, all air conditioners use the same cycle of compression, condensation, expansion, and evaporation in a closed circuit. Download free sample and get upto 79% off on mrprental. Industrial refrigeration best practices guide 1 chapter 1. Heat and refrigeration principles learning objective. One ton of refrigeration was defined as the energy removal rate that will freeze 1 ton of water at 0 c. Apart from the described products for refrigeration and air conditioning applications, we offer a comprehensive standard program for the measurement of pressure, temperature and level. Refrigeration is the process of removing heat from an area or a substance and is usually done by an artificial means of lowering the temperature, such as the use of ice or mechanical refrigeration.
Air conditioning systems by edwin anderson and a great selection of related books, art and collectibles. This course represents all of the fundamental aspects of the theoretical knowledge and practical skills required by all persons wishing to work in the air conditioning andor the refrigeration fields. The same refrigerant is used to move the heat from one area, to cool this area, and. Download basics of refrigeration and air conditioning by m.
Explain the basics of heat theory and the basic principles of refrigeration. An awareness of health and safety and good housekeeping is essential as well as attention to detail and an eye for the aesthetic. A comprehensive database of more than 23 hvac quizzes online, test your knowledge with hvac quiz questions. Nature of heat heat is a form of energy contained to some extent in every substance on earth. Hvac systems and maintenance are easy to understand and maintain once you have a basic knowledge of how the system is set up and runs. Take the simpleair air conditioning 101 lesson and learn the basic terms and components you will need to know to begin properly maintaining your home system. Apr 28, 2017 refrigeration systems have gas installed in a series of tubes. Understand the basic principles of refrigeration and air conditioning, 2. Analyze air refrigeration systems, vapor compression refrigeration systems, vapour absorption refrigeration systems, and steam jet refrigeration systems 3.
74 1219 1318 1474 1301 842 152 460 354 526 338 1323 1439 411 270 1087 1095 328 440 1100 669 325 334 173 579 1428 124 396 331 10 1384 1325 823 189 577 734 1177 478 721