A/C Vocab 2

Question 1

Compound Gauge

Answer 1

Low side gauge, it reads positive and negative pressure.

Question 2

Manifold Set

Answer 2

Gauges or tool used to check pressure and conditions within a cooling system. Analog/Digital

Question 3

Vacuum Pump

Answer 3

used to draw moisture air out of a cooling system.

Question 4

Micron Gauge

Answer 4

reads pressure of a system that has been drawn into a vacuum- measured in microns

Question 5

Refrigerant (Freon)

Answer 5

substance used to remove and release heat in a cooling system.

Question 6

Recover

Answer 6

To remove refrigerant in any condition from an appliance, and store it in an external container.

Question 7

Recovery Machine

Answer 7

equipment used to remove refrigerant from a cooling system.

Question 8

Contactor

Answer 8

an electronically controlled relay used to control switching of electric power.

Question 9

Thermal Expansion Valve

Answer 9

metering device that uses the outlet temperature of evaporator to control flow of refrigerant, uses a bulb

Question 10

Ozone

Answer 10

Outer layer of earth’s atmosphere that prevents ultraviolet rays from going through the atmosphere.