The scroll-chiller compressor needs crankcase heat and it must be energized for the length of time the manufacturer requires, usually____________________ hours.
Correct Answer:
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Q10: Low-pressure chillers operate in a vacuum and
Q11: Centrifugal chillers range in size from _
Q12: If an absorption chiller makes an "ice-crackling"
Q13: The _ creates much less pressure drop
Q14: Water-cooled chillers must have water treatment to
Q16: What may happen if a lithium-bromide absorption
Q17: If the purge unit on a chiller
Q18: A typical chilled water system is designed
Q19: Reciprocating chillers have crankcase heaters to _.
A)
Q20: The technician should also be aware of
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