After installing the lines and coil on a split system heat pump, ...

[littleanan]

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

Question 2

In most commercial air handlers
 
  A) the blower draws the air across the coil
  B) the air passes through the unit twice: once for the blower and another time for the coil
  C) the blower and coil are located in separate component parts of the system
  D) the blower forces the air across the coil

[dudman123]

Answer to Question 1

C

Answer to Question 2

A

[littleanan]

Thank you!

[dudman123]

Always glad to help...