Lubricate the O-ring of the new filter cartridge with fresh compressor oil.
Low oil level or failed oil cooler.High compression ratio (high head pressure).Leaking internal relief valve.
If you are currently servicing a specific system, please share the from the compressor nameplate. Alternatively, let me know the specific error codes or symptoms you are experiencing so I can provide targeted troubleshooting steps. Share public link mcquay hsa screw compressor service manual
). POE oils are highly hygroscopic, meaning they absorb moisture quickly from the air, so exposure must be minimized.
The slide valve is often a point of failure, and issues usually arise from its solenoid controls or the sensor (potentiometer) that reports its position. Lubricate the O-ring of the new filter cartridge
| Part | Common Part Number(s) | | :--- | :--- | | | ICI RL68HB (McQuay P/N 735030446) | | Oil Filter | 5007346, 332126801 | | Oil Heater | 132012024-RIC (230v-250w), 360356P (230v-250w) | | Shim Kit | 92847-301-SP[A] | | Slide Kit | ****M330876301 (3.0VR) | | Internal Relief Valve | 131075008 (24.1 Bar) | | Stator | ****M331314048 (60kW) | | Non-Return Valve | ORIGINAL 240200301 | | Side Cover Gasket | M070194917 |
De-energize the main breaker and torque all motor terminal pins and contactor lugs to prevent high-resistance hot spots. Annual Maintenance Alternatively, let me know the specific error codes
However, like any precision machinery, long-term reliability depends entirely on proper service. The single most important document for an HVAC technician or facility manager is the . This is not just a user guide; it is the technical bible for disassembly, inspection, clearance measurement, oil management, and overhaul procedures.
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