Table of Contents
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INDEX
Pumping
Constant speed 295
Primary-Secondary 360
Variable speed 296
Pumps
Applied to Open Systems 343
Centrifugal
Hot and Chilled Water Systems 336
Matching to Water Distribution Systems 340
Multiple 343
Variable Speed 342
Q
Quick-Opening Valve 434
R
Radiant Panels 409
Rangeability 296, 429
Ratings
Valve 429
Ratio Relay 81
Reciprocating Compressor 295, 299
Reduced-Port valve 431
Refrigerant pressure 296
Refrigeration
Absorption 299
Vapor-Compression 297
Relative Humidity 38, 481
Relative Humidity Controllers 128
Relative Humidity Sensor
Electronic 125
Relay 99
Electronic 128
Pneumatic
Averaging 80
Capacity 79
Electric-Pneumatic 82
Electronic-Pneumatic Transducer 83
Hesitation 82
High Pressure Selector 79
Load Analyzer 79
Lockout 78
Low-Pressure Selector 79
Pneumatic-Electric 82
Positive-Positioning 80
Ratio 81
Reversing 80
Snap Acting 78
Switching 77
Series 40 100
Relays and Switches 64, 77
Remote Setpoint 121
Requirements for effective control 204
Reset
from Outdoor air temperature 225
Hot deck temperature 226
Hot Water 361
Negative 121
Positive 121
Supply Air Temperature 221, 224, 225
Reset Authority 23, 120
Reset Changeover 59
Reset Control 7, 22, 60, 87, 121
Resistance Temperature Devices 122, 124
Restrictor 60, 62
Return Air 60
Reverse Acting 60
Reversing Relay 80
Rod and Tube 64
Rooftop unit 167
Run Time 142
S
Saturation 38
Screw Compressor 295, 299
Secondary Network 381
Selection and sizing
Damper 447
Sensible Heat 38
Sensing Element 7, 30, 31, 33
Averaging 64
Bimetal 63
Flow 32
Moisture 32
Pressure 31
Proof-of-operation 33
Rod and Tube 64
Temperature 30
Sensor 60
Electronic Pressure 127
Electronic Relative Humidity
Capacitance 125
Quartz Crystal 126
Resistance 125
Electronic Temperature 122
BALCO 123
Platinum 124
Thermistor 124
Thermocouple 125
Sensor Span 60
Sensor-Controller
Pneumatic 72
Velocity 73
Sequence Control 85
Sequencing fan control 285
Series 40
Controller 100
Operation 101
ENGINEERING MANUAL OF AUTOMATIC CONTROL
492
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