Refrigeration and Air Conditioning Equipment Cooling Episode 10 ppsx
Refrigeration and Air Conditioning Equipment Cooling Episode 10 ppsx
... following systems are typical examples of how electronics is applied to the control of air- conditioning and equipment cooling systems. The control sequence is given for each application. 6. Refrigerant ... matter or air bubbles; the best control for this type of corrosion is a good filtration system, and air purging valves installed in the highest point of the water system. (...
Ngày tải lên: 12/08/2014, 16:21
Refrigeration and Air Conditioning Equipment Cooling Episode 1 docx
... of a D/X coil solenoid valve and modulating control of a return air bypass damper. 3 SUBCOURSE EDITION OD1750 A REFRIGERATION AND AIR CONDITIONING IV (EQUIPMENT COOLING) Figure 9. Dehumidification ... Maryland iii Preface YOU HAVE studied the fundamentals and commercial refrigeration and air- conditioning systems. This final volume deals with another phase of your...
Ngày tải lên: 12/08/2014, 16:21
Refrigeration and Air Conditioning Equipment Cooling Episode 2 docx
... absorption air conditioning. 2. The absorption system is one of the simplest of all types of automatic air- conditioning systems. Though this machine has few moving parts, it has an immense cooling ... compressor, and start the unit. Figure 20 shows two different types of strainers, basket and disc, and their location in the compressor motor. 10. Purging noncondensable gases....
Ngày tải lên: 12/08/2014, 16:21
Refrigeration and Air Conditioning Equipment Cooling Episode 3 pdf
... standpipe for water seal circulation before starting the pumps. (8) Start the chilled water pump and open the valves to insure circulation through the evaporator tubes and air- conditioning equipment. (9) ... closed cycle to the cooling coils. This refrigeration effect is known as flash cooling. 5. In reference to item 3 of figure 28, note the addition of the generator and ac...
Ngày tải lên: 12/08/2014, 16:21
Refrigeration and Air Conditioning Equipment Cooling Episode 6 pps
... scale, the refrigeration man knows that corrosion is a constant problem. Let us now study corrosion, its causes, its effects, and its control. 22. Corrosion 1. In the refrigeration/ air- conditioning ... specified by the manufacturer, usually 0.5 ml. (10 drops) for a 10- ml. sample tube and proportionally more for larger tubes. Mix the water and indicator and place the tube in...
Ngày tải lên: 12/08/2014, 16:21
Refrigeration and Air Conditioning Equipment Cooling Episode 8 doc
... words, “transfer” and “resistance.” The transistor is gradually replacing the vacuum tube and is playing a big part in the design of all types of electronic equipment. The main advantages Figure 100 . Pentrode ... accept an electron to complete Figure 106 . N-type germanium. Figure 107 . P-type germanium. its covalent bonding and is therefore called acceptor type material. 10. The...
Ngày tải lên: 12/08/2014, 16:21
Direct HFC and PFC Emissions from Use of Refrigeration and Air Conditioning Equipment pptx
... Industrial Refrigeration including Food Pr ocessing and Cold Storage 10 10, 000 3 25 100 90 Chillers 10 2,000 1 15 100 95 Residential and Commercial A/C including Heat Pumps 0.5 100 1 10 80 ... addresses HFC and PFC emissions fr om users of refrigeration and air con- ditioning equipment including household refriger- ation, domestic air conditioning and heat...
Ngày tải lên: 08/03/2014, 19:20
Refrigeration and Air Conditioning 3 E Part 10 pps
... the building. 268 Refrigeration and Air- Conditioning Summer cooling load Figure 26.3 Air- conditioning load calculation sheet (part) (Courtesy of the Electricity Council) Air conditioning load ... the comfort of occupants and the cleanliness of papers and furnishings 3. To keep the inside of the air- conditioning apparatus and ductwork clean 286 Refrigeration and...
Ngày tải lên: 12/08/2014, 00:20
Refrigeration and Air Conditioning 3 E Part 13 ppsx
... entering air and the refrigerant. Example 35.5 An air- cooling evaporator has a mass air flow of 8.4 kg/s and a published ‘rating’ of 3.8 kW/K. What will be its rated 366 Refrigeration and Air- Conditioning Product ... 24 Accumulator – Separator, 118 Adiabatic cooling, 243, 258 Air blast cooling, 205 Air cycle, 26 Air filters, 293 Air flow reduction, 362 Air move...
Ngày tải lên: 12/08/2014, 00:20
Refrigeration and Air Conditioning IV (Equypment Cooling) pdf
... will find in a typical equipment cooling system. Now we will discuss a complete system which maintains temperature, relative humidity, and air changes. 25. Typical D/X Equipment Cooling System. Figure ... standpipe for water seal circulation before starting the pumps. (8) Start the chilled water pump and open the valves to insure circulation through the evaporator tubes and a...
Ngày tải lên: 27/06/2014, 05:20