This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the advantage to a two-pipe system, direct return? What will be an ideal ... (Read 46 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jul 26, 2018
What is the advantage to a two-pipe system, direct return?
 
  What will be an ideal response?

Question 2

How often should the refrigeration oil in a compressor be changed?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 26, 2018
Answer to Question 1

With this piping arrangement, each unit will receive the same supply water temperature.

Answer to Question 2

Refrigeration oil does not need regular changing. Refrigeration oil is usually only changed to clean up a contaminated system or to add a retrofit refrigerant.


Yolanda

  • Member
  • Posts: 757
Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

The skeletal system of a modern horse The skeletal system of a modern horse
Understanding the Solar System Understanding the Solar System
Canister pressure should be adjusted to 5 PSI below system fuel pressure. An alternative for ... Canister pressure should be adjusted to 5 PSI below system fuel pressure. An alternative for ...
Controlling access to water in order to gain political and strategic advantage in Gaza Controlling access to water in order to gain political and strategic advantage in Gaza
Development of the Nervous System: Dorsal View Development of the Nervous System: Dorsal View
system equation system equation
Video: Glycolysis Animation

For a complete list of videos, visit our video library