What type of fuses should be used for overcurrent protection of air conditioning equipment circuits?
A) Dual element time-delay fuses
B) Fast blowing fuses for added safety
C) One-time fuses
D) Air conditioning equipment does not require overcurrent protection because of its inherent thermal protectors.
Question 2
What is the function of a purge unit?
A) A purge unit will purge the air from the top of the condenser
B) A purge unit is used to purge the air out of the chilled water loop
C) A purge unit is used to purge the refrigeration oil out of the refrigerant
D) A purge unit is used to purge the superheat from the condenser