Which of the following factors affects how much you adjust the charge of a newly installed split ...

Which of the following factors affects how much you adjust the charge of a newly installed split system?

A) the amount of refrigerant in the system when you open the valves
B) the recommendation of the refrigerant cylinder manufacturer
C) the charge allowance adjustment per foot of liquid line over 15 feet
D) the length of the vapor line on the cylinder

Q. 2

What is general corrosion?

A) Corrosion due to oxidation and chemical attack
B) Corrosion at the contact point of two types of metal in the presence of an electrolyte
C) Corrosion due to chemical incompatibility between the coil and the refrigerant
D) Corrosion due to attack by metal eating organisms

Q. 3

After installing the lines and coil on a split system heat pump, what steps must be taken before opening the unit installation valves?

A) The system components come pre-evacuated, so the valves may be opened immediately after installing the lines and coils
B) Charge the lines and coil with refrigerant and perform a leak test
C) Perform a leak test on the lines and coil and evacuate them
D) Charge the lines and coil with refrigerant

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Which of the following factors affects how much you adjust the charge of a newly installed split ...

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