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20-08-2009, 09:36 PM #1
trane rtad 125 chiller, reverse phase issue
hi all, im working on a trane chiller at present.circuit 1 hasnt been working for years so loads of fun. pressure tested,vac and weighed in new gas.had hp issue on controller without system 1 running, reset hp switch.this seemed to solve problem and comp kicked in.isolated unit to put electrical covers back on, now controller displaying reverse phase detection? any pointers would be helpfull thank you
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