There are three lines of defense against refrigerant leaks in a service valve: the back seat, the packing gland, and the ____________________.
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Q18: A typical chilled water system is designed
Q19: Reciprocating chillers have crankcase heaters to _.
A)
Q20: The technician should also be aware of
Q21: After being cleaned, the condenser tubes may
Q24: To remove particles that may be in
Q25: How are reciprocating, scroll and rotary compressors
Q26: If an absorption unit is started with
Q27: What is meant by the term blowdown?
Q27: Before allowing the compressors of a water-cooled
Q28: If the compressor motor megohm value begins
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