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When charging a chilled water system with R134a, what is the minimum pressure we must allow the system to be charged to before adding liquid refrigerant?

A. 9.4 psig
B. 35 psig
C. 30.4 psig
D. 29.7 psig

Answer :

Final answer:

The minimum pressure for charging a chilled water system with R134a is 29.7 psig.


Explanation:

When charging a chilled water system with R134a, the minimum pressure that should be allowed before adding liquid refrigerant is 29.7 psig.


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