Lennox HVAC Unit EL16XC1-060

Ensure the use of a regulator that can control pressure down to 1 or 2 psig (6.9 to 13.8 kPa) when using high pressure gas.

Verify that the leak detector is capable of sensing HFC refrigerant.

Ensure refrigerant is used and recovered responsibly to prevent personal injury or death.

Weigh in a trace amount of HFC-410A (maximum of two ounces or three pounds pressure)

Inspect component wiring for loose, worn or damaged connections.

Check for any rubbing or pinching of wires.

Confirm proper voltage of outdoor unit.

Confirm proper amperage of outdoor unit.

Check cleanliness of outdoor fan and blade assemblies.

Check condition of fan blades for cracks.

Clean or replace fan blades if necessary.

Electrical and Wiring Inspection

Inspect component wiring for loose, worn or damaged connections.

Confirm proper voltage and amperage of indoor unit.

Air Filter and Blower Maintenance

Inspect and clean or replace air filters in indoor unit.

Check the cleanliness of indoor blower and clean blower, if necessary.

Evaporator Coil and Drain Inspection

Inspect the evaporator coil (Indoor) drain pans and condensate drains for rust, debris, obstructions, leaks or cracks.

Pour water in pans to confirm proper drainage from the pan through to the outlet of the pipe.

Turn on the air conditioner and check operating functions such as start-up and shut-off operation.

Check for unusual noises or odors

Measure system pressures as needed

Check the refrigerant charge per the charging sticker information on the outdoor unit.

Verify that system total static pressure is within specific operating parameters.