PRESSURE READING

[freezer]

WHEN A NEW SYSTEM HAS BEEN ASSEMBLED (BUILT UP), AND IS
READY FOR TESTING, THE FIRST THING TO DO IS :
A: PULL A VACUUM
B: PRESSURIZE WITH AN INERT GAS AND LEAK CHECK
C: PRESSURIZE WITH THE REFRIGERANT TO BE USED IN THE SYSTEM
D: INTRODUCE AN INITIAL CHARGE OF REFRIGERANT AND START THE
COMPRESSOR

[coolerkid]

B