Mcquay Hsa Screw Compressor Service Manual Best

Perform a vibration analysis profile. Schedule a bearing replacement if tolerances are exceeded. Possible Cause: Liquid refrigerant slugging the rotors.

: Evacuate the compressor to at least 5 to 6 mm Hg (Torr) before slowly bleeding refrigerant back into the system to equalise pressures. Troubleshooting Common HSA Issues McQuay HSA Screw Compressor Training | PDF | Valve - Scribd mcquay hsa screw compressor service manual best

The air in the mechanical room was thick with the smell of refrigerant oil and ozone. For the third night in a row, the McQuay HSA 240 chiller had tripped on “High Discharge Temperature,” and the hospital’s IT server room was creeping toward 85 degrees. Perform a vibration analysis profile

The HSA’s internal oil circuit is complex. The best manual includes a color-coded oil flow schematic with pressure taps listed, helping you diagnose why the compressor won’t build oil pressure or why the separator is flooding. : Evacuate the compressor to at least 5

If the compressor loads unwantedly or fails to hold capacity, remove the coils from the unload (A)