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. (...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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