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19-01-2008, 09:16 AM #1
Trane Chiller low temperature operation
I have installed a second hand Trane Air Cooled chiller that used to run on Chilled water but now needs to run on Glycol at -5*C, I have reset controlled to -5 but unit keeps tripping on LP, Superheat is good, suction is between 320 and 350 kPa when leaving gltycol is +4*C. I have been told there is a switch or jumper to change to brine operation but this is not mentioed in the manual I have. The chiller Model is CGAB050, with two x semihermetic comps on R22 with the RCMtype controller, Anyone have a manual to descibe where and what to change for low temp glycol operation
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