This allows for efficient operation of the refrigeration cycles and avoids the complexity of other balancing methods or {HEAD ~ the complexity} of providing {TAIL ~ dissimilar compression equipment} and replacement parts 
This allows for efficient operation of the refrigeration cycles and avoids the complexity of other balancing methods or { HEAD ~ the complexity } of providing { TAIL ~ dissimilar compression equipment } and replacement parts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH