What is the purpose of the discharge pressure regulating valve as shown in the illustration? See illustration RA-0017.

Question

Accepted Answer

it prevents the head pressure from becoming too low during low ambient temperature conditions

Answer

it prevents the head pressure from becoming too high during high ambient temperature conditions

Answer

it prevents the head pressure from becoming too low during high ambient temperature conditions

Answer

it prevents the head pressure from becoming too high during low ambient temperature conditions

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