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* A classic reference providing the applications, on-the-job insights, codes and specifications, and direction needed to design HVAC systems * Covers residential, commercial, and industrial systems * NEW coverage of Energy Conservation and Digital Control Practice and greater emphasis on indoor air quality
The term Air Handling System' refers to the equipment where air is conditioned to an acceptable level for distribution within the building. An air handling unit often abbreviated as AHU is a very important component of central-air-conditioning system. It is responsible for drawing return air from the indoor spaces, mixing it with outdoor air, conditioning it to the acceptable level for distribution within the building. The modular packaged equipment offered by various manufacturers is pretty standard. HVAC designers can simply spec the performance requirements and pick and choose from a wide array of standard building blocks to assemble a unit that meets their specific project needs. But large majority of air handlers are custom built or tailor made demanding HVAC designer to apply fundament psychrometrics processes to precisely estimate the capacity and airflow requirements, select the fan, coil and other auxiliaries and integrate these properly to the building control system. This 6-hr Quick Book outlines the key design considerations for sizing, selecting and estimating the capacity and airflow rate of air handling systems.At the conclusion of this quick book, the reader will be able to answer: * What is function of Air handling unit and what factors affect its sizing?* How are air-conditioning processes depicted on the psychrometric chart?* What is difference between room sensible and grand sensible heat factor?* How is airflow rate and the cooling coil load determined?* What are the five basic AHU arrangements?* What are the different types and applications of the fans used in air handling applications?* What are the different types of cooling and heating coils?* What are the different types and applications of the filters used in air handling applications?* What are the different types of humidifiers and dehumidifiers?* What are the different types of control valves and their application?* How are the air handling unit controlled and the sequence of operation for critical facility?* What are the energy conservation features in designing air handling systems?
Annotation This book provides a thorough introduction and a practical guide to the principles and characteristics of controls, and how to apply them in the use, selection, specification and design of control systems.
A practical overview of what to consider when designing a building's heating, cooling, ventilating and humidifying systems along with their space, power, control and other requirements. Includes the latest concepts, applications, basic design problems and their solutions. Packed with examples to facilitate understanding.
"Covers all aspects of residential and light commercial heating, ventilation, and air condtioning systems, focusing specifically on the operation, installation, service, maintenance, and troubleshooting of these systems. The textbook covers heating and refrigeration fundamentals, psychrometrics, building mechanical systems, and electrical and electronic devices and controls. The textbook also covers air- and water-source heat pump systems and chiller systems and includes 100 installation and 5 step-by-step service procedures. Energy efficiency practices, energy auditing, building commissioning, and retrofitting are covered as part of Energy Star® and LEED® certifications."--Back cover.
As Humans’ need for comfort living takes priority, Heating, Ventilation and Air Conditioning systems (HVAC)would assume more importance and priority – The number and percentage of people opting, creating and living in conditioned spaces might also serve as an index for living standards. In my search for understanding the different types of styles and configurations of HVAC systems - I finally realized that I could understand the different executions only if I work with a HVAC company. This somehow materialized – I started working for Superior air- a HVAC subcontractor engaged in providing, installing HVAC systems in San Diego City in California. My learning started with studying their installations, visiting job sites and looking at construction and approved drawings. I also had the opportunity to interact with construction supervisors, experts in HVAC systems, and construction workers. The installations I visited are mostly in commercial / office buildings and involved almost all the types mentioned in the book. To facilitate ease of understanding, the book includes maximum possible images of the systems/ lay outs. I will be extremely thankful to the readers if they could give me feedback comments and any other information/images that can be included for regular updates.
Introductory technical guidance for mechanical engineers and other professional engineers and construction managers interested in design and construction of air conditioning systems for buildings. Here is what is discussed: 1. COOLING SYSTEM TYPES, 2. HEATING SYSTEM TYPES, 3. FURTHER SYSTEM AND EQUIPMENT DESCRIPTION AND DEFINITION, 4. PSYCHROMETRIC CHART.
Indoor Air Quality and HVAC Systems is a practical guide for understanding the relationship between the design, installation, operation, and maintenance of HVAC systems and achieving indoor air quality (IAQ). The book describes the individual components of HVAC systems and the role each plays in maintaining good indoor air quality. It also identifies the techniques available for evaluating the performance characteristics of ventilation systems (including the use of carbon dioxide monitors and sulfur hexafluoride tracer testing equipment). Other topics discussed include the determination of pathways of air movement through buildings and understanding pressure relationships, ventilation effectiveness, and efficiency. The book concludes with an overview of sources of air contaminants to be concerned about when performing an IAQ evaluation. Indoor Air Quality and HVAC Systems provides critical information for industrial hygienists, HVAC contractors and engineers, and building owners and managers.
Control Systems for Heating, Ventilating and Air Conditioning, Sixth Edition is complete and covers both hardware control systems and modern control technology. The material is presented without bias and without prejudice toward particular hardware or software. Readers with an engineering degree will be reminded of the psychrometric processes associated with heating and air conditioning as they learn of the various controls schemes used in the variety of heating and air conditioning system types they will encountered in the field. Maintenance technicians will also find the book useful because it describes various control hardware and control strategies that were used in the past and are prevalent in most existing heating and air conditioning systems. Designers of new systems will find the fundamentals described in this book to be a useful starting point, and they will also benefit from descriptions of new digital technologies and energy management systems. This technology is found in modern building HVAC system designs.