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period two
Compressor Capacity Control
notes
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Figure 34
Cycling On and Off
Scroll compressors do not have valves or unloaders. A piece of equipment that uses scroll compressors generally unloads by using multiple compressors and turning them on and off, as needed, to satisfy the evaporator load.
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Figure 35
Cycling multiple scroll compressors is very similar to the use of cylinder unloaders on a single reciprocating compressor. As an example, a large
A similar
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