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RefCalc — Air and oil
RefCalc output — Air and oil temperatures and status.
- Coil air temperatures display from Coil Airflow inputs when present.
- Oil temperature estimate needs optional Discharge (°F) on Setup (or gauge-based estimate when gauges allow).
- Climate zone helps label ambient condition (cold / warm / hot).
Disclaimer: Field guide for technicians — not a substitute for nameplate data or local Code.