period six

Review

notes

Refrigeration

System Components

period six

Review

Figure 61

We will now review the main concepts that were covered in this clinic about the components in a vapor-compression refrigeration system.

Review—Period One

 

D

condenser

C

pressure

expansion

 

 

device

 

compressor

 

 

 

 

A

evaporator

B

enthalpy

Figure 62

Period One reviewed the vapor-compression refrigeration cycle using the P-hchart.

A cool, low-pressure mixture of liquid and vapor refrigerant enters the evaporator (A) and absorbs heat from the relatively warm air or water that is being cooled. This transfer of heat boils the liquid refrigerant in the evaporator and superheated refrigerant vapor (B) is drawn to the compressor.

The compressor raises the pressure and temperature (C) high enough that the refrigerant vapor can reject heat to another fluid. This hot, high-pressure refrigerant vapor then travels to the condenser where heat is transferred to relatively cool ambient air or cooling water. This reduction in the heat content

TRG-TRC005-EN

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Trane trg-trc005-en manual Review-Period One

trg-trc005-en specifications

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