Refrigeration and Air Conditioning 4 (Equipment Cooling) by United States Army Combined Arms Support Command

By United States Army Combined Arms Support Command

Show description

By United States Army Combined Arms Support Command

Show description

Read or Download Refrigeration and Air Conditioning 4 (Equipment Cooling) PDF

Similar ventilation & air conditioning books

Handbook of Air Conditioning System Design

E-book via service air con corporation

Fans and Ventilation: A practical guide

The sensible reference e-book and advisor to enthusiasts, air flow and ancillary gear with a entire dealers' consultant to around the globe brands and providers. invoice Cory, famous through the lovers and air flow undefined, has produced a entire, sensible reference with a large scope: sorts of enthusiasts, how and why they paintings, ductwork, functionality criteria, checking out, stressing, shafts and bearings.

Thermal Computations for Electronics : Conductive, Radiative, and Convective Air Cooling

A complete revision of the author’s prior paintings, Thermal Computations for Electronics: Conductive, Radiative, and Convective Air Cooling is a flexible reference that used to be conscientiously designed to aid readers grasp mathematical calculation, prediction, and alertness tools for conductive, radiative, and convective warmth move in digital apparatus.

Discrete Optimization in Architecture: Building Envelope

This e-book explores the super modular platforms that meet standards: they permit the production of structurally sound free-form constructions, and they're constituted of as few kinds of modules as attainable. Divided into elements, it offers Pipe-Z (PZ) and Truss-Z (TZ) structures. PZ is extra primary and kinds spatial mathematical knots by means of assembling one form of unit (PZM).

Additional info for Refrigeration and Air Conditioning 4 (Equipment Cooling)

Sample text

Figure 40 illustrates the method of solution charging. (1) Start the water jet on the purge unit and open the purge valve on the absorber. (2) Continue purging until a vacuum reading of 25 inches of mercury is obtained on the manometer. Close the valves and shut off the jet when the vacuum is satisfactory. (3) Connect the hose to the solution charging valve and place the other end of the hose into the drum of solution. Do not let the hose touch the bottom of the drum since this would draw up dirt that had settled there.

8, Par. 14) 38. What is the maximum allowable vacuum loss during a vacuum leak test? (Sec. 8, Par. 28) 33. How is the conical strainer cleaned? Par. 16) 39. Which refrigerant is added to the system to perform a halide leak test? (Sec. 8, Par. 29) (Sec. 8, 34. How is the purge connection on the absorber cleaned? (Sec. 8, Par. 20) 40. List at least three possible causes of lithium bromide solidification at startup. (Sec. 8, table 11) 35. (Agree)(Disagree) The diaphragm is a vacuum type valve should be replaced yearly.

Open the valve in the line from the absorber to the manometer and determine the pressure in the machine. Figure 32 illustrates a manometer reading. Take the temperature of the machine room and locate the corresponding pressure on the chart in figure 33. 1 inch of mercury higher than the pressure located on the curve, then there is air in the machine. This should be noted on the daily log sheet. If the condition recurs on the next two or three startups, the machine should be shut down as soon as possible and tested for leaks.

Download PDF sample

Rated 4.57 of 5 – based on 32 votes