Trane Split System Cooling Condenser TTA150E

Disconnect all electric power, including remote disconnects and discharge all motor start/run capacitors before servicing.

Follow proper lockout/tagout procedures to ensure the power cannot be inadvertently energized.

Refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors.

Verify with an appropriate voltmeter that all capacitors have discharged.

Perform all of the monthly maintenance inspections.

Check unit superheat and record the reading in the 'Maintenance Log.'

Use only dry nitrogen with a pressure regulator for pressurizing unit.

Do not use acetylene, oxygen or compressed air for pressure testing.

Do not use mixtures of a hydrogen containing refrigerant and air above atmospheric pressure for pressure testing.

Never use an open flame to detect gas leaks.

Pressurize the system through the service valve with dry nitrogen to 200 psi.

Ensure all field joints are leak free using soap bubbles or other methods.

Disconnect all electric power, including remote disconnects

Discharge all motor start/run capacitors

Follow lockout/tagout procedures

Verify with a voltmeter that all capacitors have discharged

Ensure all connections are tight

Ensure wiring insulation is intact

Inspect individual pieces of the shipment before accepting the unit

Inspect the unit for concealed damage before storage and as soon as possible after delivery

Was any concealed damage discovered?

Take photos of the damage if possible

Notify the carrier’s terminal of damage immediately by phone and by mail

Request an immediate joint inspection of the damage by the carrier and the consignee

Notify the sales representative and arrange for repair

Has the damage been inspected by the carrier’s representative?

Preparation and Safety Precautions

Ensure all electrical connections are complete before starting the procedure.

Is the compressor access panel installed and manifold hoses routed through refrigerant gauge access holes?

Verify that a qualified licensed electrician is present for handling live electrical components.

Turn on power to the unit and allow the system to run for 5 to 10 minutes to stabilize operating conditions.

Airflow and Refrigerant Charging

Measure airflow across the indoor coil.

Is the airflow measurement within the fan performance data specifications?