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Trane TRG-TRC016-EN manual Iii

Models: TRG-TRC016-EN

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System Timers Maintenance Parallel Configuration Chilled Water Reset Heat-Recovery Chiller Flow Rates and Temperatures What is

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Related pages 12. SPECIFICATIONS for Dyna-Glo RMC-KFA45T, RMC-KFA65T, RMC-KFA120T, RMC-KFA170T, RMC-KFA210T

Contents

Air Conditioning Clinic Chilled-Water Systems Business Reply Mail One of the Systems Series Comment Card One of the Systems Series Publication Trane Company Preface Contents Iii Water systems Types of Water Chillers Compressor-driven heat-driven Driving Sources Vapor-Compression Water Chillers Vapor-Compression Cycle Scroll Reciprocating Helical-rotarycentrifugal Compressor Types Variable-Speed Drives Air-Cooled or Water-Cooled Condenser TypesAir-Cooled or Water-Cooled Condensing Maintenance Low Ambient Operation Efficiency Comparison Packaged or Split Components Packaged Air-Cooled Chiller Remote Evaporator Barrel Remote Air-Cooled Condenser Indoor Air-Cooled Condenser Absorption Water Chillers Absorption Refrigeration Cycle Absorption Chillers Offer Choice Single-effectdouble-effect Direct-fired Absorption Chiller Types Equipment Rating Standards Equipment Rating StandardsAir-Conditioning & Refrigeration Institute ARI Integrated Part-Load Value Iplv Part-Load Efficiency RatingNon-Standard Part-Load Value Nplv Evaporator Condenser Rating Chiller type Flow rate Standard Rating Conditions QBtu/hr = 500 ⋅ flow rate ⋅ ∆T Flow Rates and Temperatures ARI conditions Low-flow conditions Electric Vapor-Compression Chillers ASHRAE/IESNA StandardEnergy Standard Chiller type Capacity Water-Cooled Absorption Chillers Ashrae Standard Chilled-Water System Components Chilled-Water System Design Chilled-Water System Load-Terminal Control Load-Terminal Control Options Three-Way Valve Control Two-Way Valve Control Face-and-Bypass Damper Control Three-way modulating valve Chiller Evaporator FlowConstant flow is most common Variable flow is possible Single-Chiller System Redundancy Part-load efficiency Multiple-Chiller Systems Single Pump Parallel Configuration Dedicated Pumps Percent flow Chillers Piped in Series Series Configuration Equal Set Points Staggered Set Points Primary-Secondary Decoupled Configuration Primary-Secondary Configuration Bypass pipe should be free of restrictions Primary-Secondary System Rules Production Loop Manifolded Production Pumps Distribution Loop Load terminals should use two-way modulating control valves Bypass pipe should be free of restrictions Variable-speed control riding the pump curve Varying Distribution Flow Multiple Distribution Pumps Distribution Tertiary Pumping Distribution Loop Characteristics Primary-Secondary System Rules Primary-Secondary System Operation System Operation Deficit Flow Excess Flow Control of Primary-Secondary System Pressure-based Types of Fluid Flow MetersTurbine and impeller Vortex Magnetic Ultrasonic Temperature-Based Calculations Alternate Fuel Choice Electric Utility Deregulation Indirectly-coupled, gas-engine chillers Fuel Choice Options Low-Flow Systems Chiller Efficiency Improvements Trend Toward Lower Flow Rates Greater Focus on System Efficiency Low-Flow Systems Variable-Primary-Flow Systems Variable-Primary-Flow Systems Critical VPF System Requirements Preferential Loading Preferential Chiller Loading Sidestream Configuration Heat Recovery Heat-Recovery Chiller Heat-recovery Auxiliary Dual condenser Condenser Heat pump Heat-Recovery Chiller Options Mode Heat-Recovery Chiller Efficiency Unloadingwith Control of a Heat-Recovery Chiller Different chiller Asymmetric DesignAsymmetric Design Different chiller Capacities Swing Chiller Chiller Free Cooling Free CoolingAirside economizer Waterside economizer Plate-and-Frame Heat Exchanger Refrigerant Migration Application Outside the Operating Range of the Chiller Application Outside Range of Chiller Chiller-Plant Control Chiller Controls What Is Important? Chiller Sequencing Chiller Sequencing Temperature Flow Capacity Chiller Rotation Small electric Chiller largeelectric chiller Heat Recovery Variable-Primary-Flow Systems Notify the operator Allow the operator to intervene System Failure RecoveryFailure Recovery and Contingency Planning Maintain flow of chilled water Keep it simple Contingency Planning Staging-interval timer System TimersSystem Tuning Load-confirmation timer Unload Before Start Soft Loading Chilled-Water Set Point Control System Optimization System Optimization Pros Chilled Water ResetCons Tower Condenser-Water Temperature Control of Condensing Pressure Operator Interface Operator Training and Support Operator Interface Ashrae Guideline Vapor-compression water chillers Review-Period One Load-terminal control Review-Period Two Review-Period Three Review-Period Four For more information, refer to the following references Quiz 109 Answers 111 Glossary 113 114 115 Trane Company

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