A safety control designed to protect the chiller from freezing is the:
a. Vane closed switch
b. Low oil pressure shut down switch
c. Motor demand limiter
d. Chilled water flow switch
e. Purge unit
Answer: D
A safety control designed to protect the chiller from freezing is the:
a. Vane closed switch
b. Low oil pressure shut down switch
c. Motor demand limiter
d. Chilled water flow switch
e. Purge unit
Answer: D