Mcquay Hsa Screw Compressor Service Manual Jun 2026

Reset safety controls and identify the underlying cause of the trip (e.g., failed condenser fan causing a high-pressure trip). Symptom 2: High Discharge Temperature

Never lift the compressor by the piping, service valves, or electrical terminal box. Piping and Cleanliness mcquay hsa screw compressor service manual

Ensure the crankcase heater has been energized for a minimum of 24 hours prior to start-up to drive off any refrigerant dissolved in the oil. Reset safety controls and identify the underlying cause

The suggests that if the compressor does not hold load or behaves erraticly, the capacity system should be tested: mcquay hsa screw compressor service manual

Isolate the compressor from the refrigeration circuit and recover remaining gas. Locate the oil filter housing cover.