2007 ASHRAE Handbook - Heating, Ventilating, and

This guide covers a wide diversity of amenities and subject matters, and is written to aid engineers layout and use gear and structures defined in different ASHRAE instruction manual volumes. This e-book offers history details to designers new to a given program, in addition to these wanting a refresher at the subject. ASHRAE Technical Committees have revised approximately each bankruptcy for present specifications and methods. lately up to date with 112 Digitized Graphs masking topics resembling: Refrigerated Case Load edition with shop Air Humidity, edition of Ambient strain with Altitude, and Frequency of pointed out Hydrothermal Convection assets as opposed to Reservoir Temperature.
This instruction manual is split into 5 sections:

  • Comfort functions
  • Industrial purposes
  • Energy-Related functions
  • Building Operations and administration
  • General Applications

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2007 ASHRAE Handbook - Heating, Ventilating, and Air-Conditioning Applications (I-P Edition)

This instruction manual covers a vast variety of amenities and subject matters, and is written to assist engineers layout and use gear and structures defined in different ASHRAE guide volumes. This ebook offers history details to designers new to a given software, in addition to these wanting a refresher at the subject.

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Additional resources for 2007 ASHRAE Handbook - Heating, Ventilating, and Air-Conditioning Applications (I-P Edition)

Sample text

Guest Rooms Air conditioning in hotel rooms should be quiet, easily adjustable, and draft free. It must also provide ample outside air. Because the hotel business is so competitive and space is at a premium, systems that require little space and have low total owning and operating costs should be selected. Design Concepts and Criteria. Table 2 lists design criteria for hotel guest rooms. 4 2007 ASHRAE Handbook—HVAC Applications Table 2 Hotel Design Criteria a,b Inside Design Conditions Category Winter Summer Temperature Relative Humidity c TemperatureRelative Humidity Guest rooms 74 to 76°F 30 to 35% 74 to 78°F 50 to 60% Lobbies Conference/ Meeting rooms Assembly rooms 68 to 74°F 68 to 74°F 30 to 35% 30 to 35% 74 to 78°F 74 to 78°F 40 to 60% 40 to 60% 68 to 74°F 30 to 35% 74 to 78°F 40 to 60% a This table should not be the only source for design criteria.

H OTELS, motels, and dormitories may be single-room or multiroom, long- or short-term dwelling (or residence) units; they may be stacked sideways and/or vertically. Information in the first three sections of the chapter applies generally; the last three sections are devoted to the individual types of facilities. 8 In some climates, summer humidity becomes objectionable because of the low internal sensible loads that result when cooling is on/off controlled. Modulated cooling and/or reheat may be required to achieve comfort.

However, window units have the shortest equipment life, highest operating noise level, and poorest distribution of conditioned air of any systems discussed in this section. Fan-coils with remote condensing units are used in smaller buildings. Fan-coil units are located in closets, and the ductwork distributes air to the rooms in the dwelling. Condensing units may be located on roofs, at ground level, or on balconies. 2007 ASHRAE Handbook—HVAC Applications Low-capacity residential warm-air furnaces may be used for heating, but with gas- or oil-fired units, combustion products must be vented.

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