24-Point A/C Tune-up
- Check Thermostat. Make sure all functions work, time and day are correct.
- Replace air filter (1’’) 4” additional charge
- Visual inspection of indoor unit. Look for rust, dirt, loose panels.
- Shut down humidifier (if applicable)
- Check blower assembly. Look for rust or filings from wear, check connections.
- Check the evaporator coil if accessible. Look for oil stains, rust or debris in the pan.
- Check condensate drain line.
- Check condensate pump (if applicable)
- Check secondary drain pan (if applicable)
- Perform visual inspection of the outdoor unit. Clean out debris, leaves, and rodents, make sure the panels are secure. Check for rust and deterioration.
- Check condenser motor, oil as required.
- Check the outdoor disconnect. Look for burnt wires or connections, bees or bugs nests, and rust.
- Check the condenser coil and clean if necessary.
- Check the refrigerant connections. Look for oil stains, or kinks in the lines, make sure the caps are in good condition.
- Inspect all wiring and controls for wear and tightness.
- Check and inspect the compressor contactor.
- Check relays for indications of burnt connectors, bulging, or distortions.
- Check the compressor, capacitors and crankcase heater.
- Check the start assist device (if applicable)
- Check the time delay relay (if applicable)
- Check the circuit board (if applicable)
- Check the fan blade for cracks.
- Check voltage and amp draw.
- Check temperature drop across evaporator coil.
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