Trane HVAC Rooftop Unit WSJ240A3S0P**

Oil Measurement and Replacement

Measure the amount of oil removed during servicing

Enter the amount of oil removed (in liters)

Is the oil added the correct type as specified on the unit nameplate?

Replace the amount of oil removed, as measured in step 1

Contact Technical Support for compressor replacements or additional questions

Drain Pans and Condensate Piping

Check the unit’s drain pans for blockages

Check the condensate piping for blockages

Inspect the evaporator coils for dirt and bent fins

Inspect the condenser coils for dirt and bent fins

Condenser Fans and Motor Bearings

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

Disconnect all electric power, including remote disconnects

Follow proper lockout/tagout procedures

Verify that no power is present with a voltmeter

Check that all filters are in place and clean

Inspect indoor coil for dirt and debris accumulation

Is the airflow through the unit adequate?

Smoke Detector Functionality Check

Perform periodic checks on the smoke detector to ensure functionality

Refer to the smoke detector Installation and Maintenance Instructions for detailed procedures

Check supply fan motor bearings

Repair or replace the motor as necessary

Electrical Components Inspection

Inspect control panels and heat section control box

Electric Heat System Verification