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Author Question: Why do commercial refrigeration systems need a defrost system? What will be an ideal ... (Read 35 times)

WhattoUnderstand

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on: Jul 26, 2018
Why do commercial refrigeration systems need a defrost system?
 
  What will be an ideal response?

Question 2

List the three ways that evaporator temperature can be controlled
 
  What will be an ideal response?


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iman

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Reply #1 on: Jul 26, 2018
Answer to Question 1

Since most refrigeration systems operate at evaporating temperatures below 32F, frost will accumulate on an evaporator surface. This frost must be removed on a regular basis; otherwise it will begin to insulate the surface of the evaporator and prohibit the transmission of heat from the product to the refrigerant within the evaporator.

Answer to Question 2

Conventional thermostat, a suction pressure cut-out control, or an evaporator pressure regulator.


WhattoUnderstand

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Reply 2 on: Jul 26, 2018
Excellent

AISCAMPING

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Reply 3 on: Yesterday
:D TYSM

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