Trane trg-trc005-en manual Condenser Control, Condenser Capacity

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period two

Condensers

notes

Condenser Control

ICondenser capacity is influenced by:

K Temperature difference between refrigerant and cooling media

K Flow rate of cooling media through condenser K Flow rate of refrigerant through condenser

Figure 15

Condenser Control

The heat rejection capacity of a condenser is influenced by (1) the temperature difference between the refrigerant and the cooling media (air, water, or other fluid), (2) the flow rate of the cooling media through the condenser, and (3) the flow rate of the refrigerant through the condenser.

To balance the rate of heat rejection (in the condenser) with the changing system load, at least one of these variables may be controlled.

Condenser Capacity

pressure

 

full load

 

condenser heat

 

rejection capacity

full load

 

part load

part load

 

condenser heat

 

rejection capacity

enthalpy

Figure 16

As the system load decreases, the heat rejection capacity of the condenser is greater than the load. Because of this excess capacity, the condenser matches the decreasing load by operating at progressively lower pressures. Additionally, a reduction in outdoor air temperature allows the temperature of the air or water flowing through the condenser to drop. This also has the effect of lowering the condensing pressure.

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TRG-TRC005-EN

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Contents Air Conditioning Clinic Refrigeration System Components One of the Fundamental Series Comment CardBusiness Reply Mail Refrigeration System Components Refrigeration System Components PrefaceContents TRG-TRC005-EN Vapor-Compression Refrigeration IntroductionRefrigeration Cycle Refrigeration CyclePeriod one Condenser Air-Cooled Condensers CondensersAir-Cooled Condenser Effect of Subcooling Evaporative Condensers Centrifugal Fan Air-Cooled CondenserEvaporative Condenser Water-Cooled Condensers Water-Cooled CondenserCooling Tower Condenser Control Condenser ControlCondenser Capacity Condensing Temperature Control Vary Condenser Water Flow Rate Vary Entering Water TemperatureCooling Tower Bypass Condenser Flooding Control Air-Cooled Condenser ControlCondensers Finned-Tube Evaporators EvaporatorsFinned-Tube Evaporator Turbulent Flow Superheat Shell-and-Tube Evaporators Shell-and-Tube EvaporatorEvaporator Control Evaporator ControlFace-Split Arrangement Finned-Tube Evaporator Control80ºF Intertwined Arrangement Row-Split Arrangement Shell-and-Tube Evaporator Control Expansion Device Expansion DevicesTXV Control Thermostatic Expansion ValveTXV TXV TXV Operation Psia TXV Too much superheat Superheat SettingSolenoid Valve AccessoriesSolenoid Valve Period five Liquid-Line Filter Drier Liquid-Line Filter DrierSealed type Moisture-Indicating Sight Glass Moisture-Indicating Sight GlassSuction Line Filter Suction Line FilterHot Gas Muffler Hot Gas MufflerShutoff Valve Shutoff ValveAccess Port Access PortReview-Period One ReviewAir-cooled condenser Review-Period TwoReview-Period Four Review-Period ThreeReview-Period Five For more information, refer to the following references Questions for Period QuizQuiz To C To G AnswersGlossary Glossary Glossary Trane Company

trg-trc005-en specifications

The Trane TRG-TRC005-EN is a sophisticated and versatile HVAC control system designed for modern commercial buildings. As part of Trane's innovative lineup, this device offers advanced functionalities to enhance energy efficiency, comfort, and operational ease. The TRG-TRC005-EN is equipped with cutting-edge technologies that make it an essential tool for facility managers and HVAC professionals.

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