Author Question: When should gauges be installed on small critically charged systems? A) Whenever the system is ... (Read 40 times)

michelleunicorn · **on:** Jul 26, 2018

When should gauges be installed on small critically charged systems?

A) Whenever the system is checked
B) Only when other diagnostic means have been exhausted
C) Routinely, at least every year
D) Monthly to insure the charge is still correct

Question 2

When can a compound gauge be connected to a pressure higher than the maximum pressure it can read accurately?

A) Only if the hose ends are reversed to prevent overpressurizing the gauges
B) Only if the pressure does not exceed its retard range
C) Anytime. It does not hurt a gauge to be connected to pressures above its rating.
D) Never. Gauges should never be connected to pressures above the maximum pressure that the gauge can accurately read.