Engineering Manual o.. - HVAC.Amickracing

INDEXTTemperatureDew-Point 38Dry-Bulb 38Wet-Bulb 39Temperature Controller 71Temperature ControllersElectronic 128Temperature SensorElectronic 122Terminal UnitsControl 365Thermal StorageControl 315Control Modes 315Thermistor 124Thermocouple 125ThermostatPneumatic 60Dual Temperature 69Dual-Acting 69High Capacity, Single Temperature 69Low-Capacity, Single Temperature 69Three-way Valve 431, 436Throttling Range 7, 22, 60, 121Adjustment 64Throttling VAV ATU 400Time and Event Programs 142Time constant 7Time Proportioning 19, 102Timed two-position control 18Torque Conversion Multipliers 472Total and static pressure sensors 278Total Heat 39Tower Free Cooling, Dual Chillers 325Toxicity 153Transducer 33Electronic 121, 125, 128, 129Electronic-to-Pneumatic 129Transformer 99Transmission 9TransmitterElectronic 121, 125, 127Turndown 429Twisted Copper Pair 188Two-Pipe Steam Systems 370Two-Position Control 7, 17, 105Electric 107Two-Pressure Reducing Valve 69Two-Way Valve 431, 434UUnbalanced loading 295Unit Heater 10, 409Control 101, 410Modulating 410Two-Position 410Down-Blow 410Gas Fired 411Oil Fired 411Unit Ventilator 10, 411ASHRAE Control Cycles 412Control 412Day/Night Setback 414Digital 415Draw-through 412Unitary Equipment Control 408Universal ControllersElectronic 128VValve 75Ball 430, 433Body rating 430Butterfly 431, 433Components 428Diverting 436Double-seated 431Equal Percentage 435Expansion 297Globe 431, 433Linear 434Material and Media 431MaximumPressure 430Temperature 430Mixing 436Pilot-operated 431Quick-Opening 434Ratings 429Reduced-Port 431Selection 432Single-seated 431Sizing 437, 441SteamSizing 441Three-way 431Two-way 431, 434Types 430WaterSizing 437Valve ControlCoil 348494ENGINEERING MANUAL OF AUTOMATIC CONTROL