Performed a biannual maintenance on 3 Lennox split heat pumps. Checked: Electrical connections Wiring Capacitors Amp draws Motors Bearings Contactors Start kits Temperature splits Static pressures Refrigerant pressures Superheat Subcool Reversing valve operation Relays Coil condition Drain pan condition Drain lines cleared with dry nitrogen Duct seal at units Fused disconnects I checked the units in cooling and found all components are operating properly and efficiently at this time.
