Download 2012 ASHRAE Handbook - Heating, Ventilating, and by ASHRAE PDF

By ASHRAE

This instruction manual discusses numerous structures and the apparatus (components or assemblies) they include, and describes gains and adjustments. this data is helping method designers and operators in identifying and utilizing apparatus. This version incorporates a new bankruptcy 18, Variable-Refrigerant-Flow structures, which describes those structures, their elements, and acceptable criteria intimately, and encompasses a approach layout instance and significant counsel on charges, controls, and defense. This guide is a reference for engineers operating in HVAC&R and for pros in allied fields. ASHRAE, based in 1894, is a global association of a few 50,000 folks. ASHRAE fulfills its challenge of advancing heating, air flow, air-con, and refrigeration to serve humanity and advertise a sustainable international via study, criteria writing, publishing, and carrying on with schooling.

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Additional resources for 2012 ASHRAE Handbook - Heating, Ventilating, and Air-Conditioning Systems and Equipment (SI Edition)

Sample text

Natural gas and primary electrical power). The availability of fuel oil or coal delivery affects road access and storage for deliveries. Security around a central plant must be considered in the design and include standby electrical power generation and production of central cooling and heating for critical applications in times of outages or crisis. Energy for heating may also come from waste heat from a CHP system. Plant production efficiency is improved when waste heat can be reclaimed and transferred to a heat source.

Special Systems ........................................................................ Terminal Units.......................................................................... Air Distribution System Controls ............................................. Automatic Controls and Building Management Systems ......... Maintenance Management System........................................... Building System Commissioning.............................................. Air-Handling Units ....................................................................

Typically, these parameters and more must be specified or scheduled by the design engineer before an installer or equipment supplier can provide an AHU. Central Mechanical Equipment Rooms (MERs) The type of facility and other factors help determine where the air-handling equipment is located. Central fan rooms are more common in large buildings, where maintenance is isolated from the conditioned space. Reasons a design engineer may consider a central air-handling unit, or bank of central air-handling units, include the following: • Fewer total pieces of equipment to maintain.

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