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The genuine OEM Lennox 86W48 is a Copeland ZP61K5E-TFD-830 scroll compressor rated at 61,500 BTUH, 460V, 3-phase, engineered for R-410A systems. As the central pump of your Lennox outdoor unit, it compresses and circulates R-410A refrigerant to power the cooling cycle. The ZP-series scroll is designed for the elevated pressures of R-410A, providing efficient, reliable, and quiet operation.
Common failure symptoms: no cooling with the outdoor fan still running, hard starting or repeated breaker trips, abnormal grinding or vibration, an internal overload that keeps opening, or open/shorted windings at the compressor terminals. Warm supply air and rapid short-cycling are typical indicators of compressor trouble.
Why OEM matters: the factory 86W48 is matched to the exact displacement, R-410A compatibility, oil charge, and 460V 3-phase electrical spec your Lennox system was built around. Installing the correct OEM compressor safeguards efficiency, preserves warranty coverage, and prevents the refrigerant-pressure and capacity mismatches that cause generic units to fail prematurely. Verify voltage, refrigerant type, and model application before installation, and replace the filter drier whenever you change the compressor.