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Room air conditioners are encased assemblies designed primarilyfor mounting in a window or through a wall. They are designed to deliver coolor warm conditioned air to the room, either without ducts or with very shortducts (up to a maximum of about 48 in. [1220 mm]). Each unit includes a primesource of refrigeration and dehumidification and a means for circulating andfiltering air; it may also include a means for ventilating and/or exhaustingand heating. PTACs are designed primarily for commercial installations to providethe total heating and cooling functions for a room or zone and are specificallyfor through-the-wall installation. The units are mostly used in relativelysmall zones on the perimeter of buildings such as hotels and motels,apartments, hospitals, nursing homes, and office buildings. In largerbuildings, they may be combined with nearly any system selected forenvironmental control of the building core. This chapter discusses design andapplication of both types of systems.

ROOM AIR CONDITIONERS
Sizes and Classifications
Design
Performance Data
Special Features
Safety Codes and Standards
Installation and Service
PACKAGED TERMINAL AIR CONDITIONERS
Sizes and Classifications
General DesignConsiderations
Design of PTAC/PTHPComponents
Heat Pump Operation
Performance and SafetyTesting

ISBN: 978-1-947192-53-9 (for SI versions of chapters)
ISSN: 1930-7705 (for SI versions of chapters)

S50,

Citation: 2020 ASHRAE Handbook — HVAC Systems and Equipment

Product Details

ISBN(s):
9781947192539
Number of Pages:
8
Units of Measure:
SI
File Size:
1 file , 290 KB
Product Code(s):
D-S492020SI