Which of the following steps is not a step in the startup of a reciprocating or rotary compressor refrigerating system?
a) Check oil level in the compressor, it should be at or above the centre of the sight glass.
b) Check the setting of high and low pressure cutout switches.
c) Open all shutoff valves in the system except bypass valves used elsewhere in the system.
d) Valves in lines connecting suction gages should be closed.
e) Check oil level in the compressor; it should be below the centre of the sight glass.
Answer: D