Trane HVAC Rooftop Unit WSJ240A3S0N**

Check indoor coil for dirt and debris accumulation

Inspect and replace air filters if necessary

Smoke Detector Functionality Check

Perform periodic checks on the smoke detector

Refer to smoke detector Installation and Maintenance Instructions

Oil Measurement and Replacement

Measure the amount of oil removed during servicing

Enter the amount of oil to be replaced

Verify the oil added is the correct type

Contact Technical Support for compressor replacements or additional questions

Turn the unit OFF and lock the main power disconnect switch open

Disconnect all electric power, including remote disconnects

Verify that no power is present with a voltmeter

Action taken for return air filters

Acknowledge understanding of safety precautions

Ensure Personal Protective Equipment (PPE) is worn

Remove shipping screws (ones without washers)

Lift hail guards up so screws with washers go to top of keyhole

Remove hailguard by sliding washer head screw through keyhole

Remove enough panels from the unit to gain access to the coil

Air Filter Inspection and Maintenance

Check supply fan motor bearings

Repair or replace the motor as necessary

Electrical Components Inspection

Inspect control panels and control boxes

Check for loose electrical components and terminal connections

Check for damaged wire insulation