HVAC Electrical Check — RTU Calculator
Compressor/Blower L1/L2/L3 → Average & Imbalance → Compare to RLA/FLA. Also checks contactor Line/Load voltages.
Switch type to change RLA/FLA label.
Nameplate value.
Amperage Readings
Iavg = (L1+L2+L3)/3
=(max−avg)/avg×100
Contactor Voltage (Line & Load)
Click Calculate, then Copy All to copy a clean summary.
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