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Author Question: Why are suction risers sized differently for systems with capacity control than for systems without ... (Read 17 times)

stephzh

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on: Jul 26, 2018
Why are suction risers sized differently for systems with capacity control than for systems without capacity control?
 
  What will be an ideal response?

Question 2

How should ultraviolet germicidal lamps be handled?
 
  What will be an ideal response?


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welcom1000

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

The velocity of the refrigerant is reduced when the system operates at reduced capacity, so the risers are sized smaller on systems with capacity control to maintain a minimum velocity.

Answer to Question 2

The surface of an ultraviolet lamp is very sensitive and just the oil from your fingerprints can lead to premature failure of the lamp. Always use gloves when handling the lamp and wipe away any film to clean the lamp after handling.


stephzh

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Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

ktidd

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Reply 3 on: Yesterday
Excellent

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