Cooling Systems

Question 1

What is the purpose of the evaporator?

Answer 1

The evaporator is the part of a cooling system in which the refrigerant vaporizes and absorbs heat

Question 2

Which components are outside or in an area where heat can be given off?

Answer 2

a) hermetic compressor

b) condenser

Question 3

What type of circuit diagram is preferred when conducting a troubleshooting procedure?

Answer 3

schematic diagram

Question 4

What device turns on the blower motor during the heating cycle?

Answer 4

Fan control

Question 5

What are the two types of electrical diagrams used in the heating and cooling industry?

Answer 5

a) schematic

b) wiring

Question 6

What do we mean when we say that a component is energized?

Answer 6

The component has a voltage applied across it

Question 7

A schematic diagram tells the electrician how to wire a system.

True or False

Answer 7

False;

a schematic diagram shows the electrical sequence of operation. A wiring diagram describes how to wire the system.

Question 8

List the five major elements or components of a typical cooling system.

Answer 8

a) Compressor
b) Condenser
c) Evaporator
d) Refrigerant control valve
e) Refrigerant