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9781930044135

Basic Refrigeration and Charging Procedures

by
  • ISBN13:

    9781930044135

  • ISBN10:

    1930044135

  • Format: Spiral Bound
  • Copyright: 2003-01-01
  • Publisher: ESCA Institute

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Table of Contents

Refrigerant Pressures States and Conditions
Condensing Pressure
1(1)
Evaporating Pressure
1(2)
Refrigerant States and Conditions
3(1)
Vapor Pressures
3(1)
Superheat
4(1)
Subcooling
4(1)
Basic Refrigeration System
4(7)
Compressor
5(1)
Discharge Line
6(1)
Condenser
6(2)
Receiver
8(1)
Liquid Line
8(1)
Metering Device
8(1)
Evaporator
8(2)
Suction Line
10(1)
Application of Pressures, States, and Conditions
11(4)
Compressor Discharge
11(1)
Condenser Inlet
11(2)
100% Saturated Vapor Point
13(1)
100% Saturated Liquid Point
13(1)
Condenser Outlet
13(1)
TXV Inlet
13(1)
Middle of Evaporator
13(1)
Saturated Vapor Point
14(1)
Evaporator Outlet
14(1)
Compressor Inlet
14(1)
Subcooling and Superheating
Liquid Subcooling
15(1)
Subcooling Categories
15(6)
Condenser Subcooling
15(4)
Total Subcooling
19(2)
Subcoooling Needed to Prevent Liquid Line Flash
21(1)
Pressure Drop
21(3)
Friction Pressure Losses
21(2)
Static Pressure Losses
23(1)
How Much Subcooling Is Needed
24(2)
Liquid Pressure Amplification And Superheat Supression
26(6)
Floating Head Pressures and LPA Advantages
30(1)
Superheat Suppression
31(1)
LPA/Superheat Suppression with Subcooling/Reheat Coil
32(1)
Enviroguard TM Refrigerant Control System
32(6)
Principles of Operation
32(5)
Determining the SPR Valve Setting
37(1)
Superheat
38(7)
Evaporator Superheat
38(2)
Total Superheat
40(5)
Metering Devices
Capillary Tubes
45(7)
Sizing
46(3)
High Heat Loads
49(1)
Low Heat Loads
49(1)
Service
49(3)
Thermostatic Expansion Valve
52(12)
Remote Bulb Pressure
54(2)
Evaporator Pressure and Spring Pressure
56(1)
Additional Pressure
57(1)
Color Codes
57(1)
Special Application TXVs
57(2)
Externally Equalized Valves
58(1)
Maximum Operating Pressure
58(1)
Balanced Port TXVs
59(1)
Selection Procedures
59(5)
Automatic Expansion Valves (AXV5)
64(3)
System Charge
Charging TXV/Receiver/Sightglass Refrigeration Systems
67(3)
Charging Rules
68(2)
Charging Capillary Tube Or Fixed Orifice Refrigeration Systems
70(3)
Charging from a Vacuum
70(3)
Charging Capillary Tube or Fixed Orifice Air Conditioning Systems
73
Measuring Duct Velocity
79(1)
Superheat Charging Curves
80(1)
Superheat Curve Theory
81(1)
Charging Capillary Tube - Cooling Mode Only
82(3)
Superheat Method - Capillary Tube System
85

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