Ventilation Air Conditioning

Download PDF by ASHRAE: 2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook

By ASHRAE

ISBN-10: 1680153277

ISBN-13: 9781680153279

ISBN-10: 1936504715

ISBN-13: 9781936504718

The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration gear and platforms for functions except human convenience. This quantity contains facts and advice on cooling, freezing, and storing nutrition; commercial and clinical purposes of refrigeration; and low-temperature refrigeration; and contains a dual-unit CD.

CD method necessities: home windows: CD-ROM force; 1.3 GHz or quicker processor; Microsoft home windows Vista, home windows 7, or home windows eight (62-bit and 64-big); 1 GB of RAM (2 GB recommended); Microsoft web Explorer eight or better; Adobe Acrobat/Reader 10.0 or larger; 350 MB hard-disk area. Macintosh: Mac OS X v. 10.5.8 or v. 10.6.4; 512 MB of RAM (1 GB recommended); 415 MB hard-disk area; 800 x six hundred monitor solution (1024 x 768 recommended); Safari four for Mac OS X v. 10.5.8, Safari four or 5.0x for Mac OS X v. 10.6.4, Safari 6.0 for Mac OS X v. 10.7.4 or v. 10.8; Firefox; Adobe Acrobat/Reader 10.0 or better. quotation: 2014 ASHRAE Handbook

ASHRAE, based in 1894, is a global association of a few 50,000 individuals. ASHRAE fulfills its project of advancing heating, air flow, air con, and refrigeration to serve humanity and advertise a sustainable global via study, criteria writing, publishing, and carrying on with schooling.

The ASHRAE Handbooks are the layout usual for keep an eye on of equipped environments with volumes on structures and kit, HVAC functions, Refrigeration and basics. each one is up to date each 4 years. as well as publishing layout counsel for engineers, architects, and facility managers, we additionally post a sequence of texts for school room use.

many of the components we post in include:
-Energy Modeling and Auditing
-High functionality construction Design
-Psychrometrics
-Indoor Air caliber and Environmental Quality
-Data heart strength Efficiency
-Noise & Vibration Control
-Humidity Control
-HVAC for Healthcare amenities

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Read or Download 2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook Refrigeration Systems/Applications Inch-Pound System PDF

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Extra info for 2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook Refrigeration Systems/Applications Inch-Pound System

Sample text

Also, any oil traveling up the pipe wall will not drain back to the compressor head. The loop in the hot-gas line (Figure 19) serves as a reservoir and traps liquid resulting from condensation in the line during shutdown, thus preventing gravity drainage of liquid and oil back to the compressor head. A small high-pressure float drainer should be installed at the bottom of the trap to drain any significant amount of refrigerant condensate to a low-side component such as a suction accumulator or low-pressure receiver.

After an adequate delay, a timing relay closes a pair of normally open contacts to start the compressor. After a further time delay, a pair of normally closed timing relay contacts opens, deenergizing the bypass valve. Full (100%) Unloading for Capacity Control Where full unloading is required for capacity control, hot-gas bypass arrangements can be used in ways that will not overheat the compressor. In using these arrangements, hot gas should not be bypassed until after the last unloading step.

36 Head Pressure Control for Condensers Used with Cooling Towers (Water Bypass Modulation) Condenser-Water-Regulating Valves The shutoff pressure of the valve must be set slightly higher than the saturation pressure of the refrigerant at the highest ambient temperature expected when the system is not in operation. This ensures that the valve will not pass water during off cycles. These valves are usually sized to pass the design quantity of water at about a 25 to 30 psi difference between design condensing pressure and valve shutoff pressure.

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2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook Refrigeration Systems/Applications Inch-Pound System by ASHRAE


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