paddyaircon
05-08-2007, 10:24 AM
Hi i recently called to a chiller plant which had faulty alinco tev . changed tev ,drier core ,p tested and vacced properly recharged with manufactures charge of r407c. Plant running and cooling water but have got high suction pressure (70psig) at normal load (water cooling to 10c and cycling properly)
Is the valve plates on the coplenad recip comprosser at fault? i suspect discharge leaking into crankcase? help!! the comp is of 4 head type with a unload valve on 2nd head .
Is the valve plates on the coplenad recip comprosser at fault? i suspect discharge leaking into crankcase? help!! the comp is of 4 head type with a unload valve on 2nd head .