D2: Testing / commission Compressed air systems

Question 1

What must be done when commissioning systems?

Answer 1

Read manufacturer’s documentation

Question 2

How is the quality of compressed air determined?

Answer 2

through solid particles, water vapour content, oil content

Question 3

What are the 3 ways to test for leaks?

Answer 3

1) listening + feeling
2) soap + water
3) Ultrasonic leak detection (listening)

Question 4

What is the blow down valve / unloader valve?

Answer 4

used to blowdown air pressure from compressor discharge line
- blows off any pressure in the pipe bn compressor / receiver
- makes the sssssh sound heard when compressor stops

Question 5

What is the inlet valve?

Answer 5

regulates the amount of air that is sucked into the compressor

Question 6

How are pressures setting increased?

Answer 6

by adjusting the set screws in (clockwise)