By ASHRAE Press
The air-con guide was once written to aid entry-level engineers within the layout of air-conditioning platforms. it's also suable - in conjuction with basic HVAC&R resourcee fabric - as a senior- or graduate-level textual content for a college path in HVAC approach layout. The guide used to be written to fill the void among conception and perform - to bridge the distance among real-world layout practices and the theoretical caluclations and analytical strategies or at the layout of elements.
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1 in terms of requirements and compliance. 1 in those states. Likewise, Canadian building and energy codes will generally apply in the Canadian provinces. 2 was developed to provide energy-efficient design requirements for most residential buildings. 1, as well as providing for an intermediate “trade-off” approach. 1, however, so the mechanical designer will likely encounter the International Energy Conservation Code (ICC) or its predecessor, Model Energy Code, in residential work. Standard 100 provides energy efficiency guidance for design work involving existing buildings.
HVAC&R and architectural design decisions must go hand-inhand since acoustical control may involve equipment location, floor and wall assemblies, and room function. HVAC&R equipment locations may influence spatial planning—so that areas requiring a lownoise environment are not located next to major or noisy equipment. The HVAC engineer should alert other members of the building design team regarding the location of noisy equipment. , theaters, museums), an acoustical consultant should be part of the design team.
2 Temperature and Humidity The design space temperature and humidity for both heating and cooling seasons should be based on Standard 55 for most applications. 2 met). 2°C] for winter are the likely choices, with RH values of 45% and 50%, respectively. With respect to energy effi- AIR-CONDITIONING SYSTEM DESIGN MANUAL⏐49 (a) (b) Figure 3-1. Acceptable ranges of operative temperature and RH for human comfort from Standard 55 [(a) I-P units; (b) SI units]. 50⏐ OCCUPANT COMFORT AND HEALTH ciency, the use of design values that are within, but on the fringes of, the ASHRAE comfort zone makes sense.
Air Conditioning System Design Manual, Second Edition by ASHRAE Press