Which of the following steps is not part of a start-up of a reciprocating or rotary compressor refrigerating system?
a. Check for proper oil level in the compressor
b. All shutoff valves in the system should be open
c. Open shutoff valves in the cooling water supply and return lines of water-cooled condensers
d. Valves in pressure page piping should be closed
e. Check the setting of high and low pressure cut out switches
Answer: D