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chiller commissioning checklist

1. Pre-Commissioning Checks

Verify all equipment is installed according to manufacturer specifications and design documents.

Ensure all necessary permits and documentation are in place.

Confirm all electrical connections are secure and properly labeled.

Check that all piping is installed according to specifications and is leak-free.

Inspect insulation on pipes and components for integrity and completeness.

Ensure all valves are installed in the correct orientation and are functioning.

Verify that the control system is installed and wired correctly.

2. Initial System Checks

Confirm that the chiller is properly leveled and secured.

Check for any visible signs of damage or wear on the unit.

Ensure that the refrigerant charge is correct and within the specified limits.

Verify that the water flow rate is set according to the design specifications.

Inspect and test all safety devices and alarms for proper operation.

Confirm that the air handling units and associated ductwork are properly connected.

3. Functional Testing

Start the chiller and monitor for unusual noises or vibrations.

Test the control system to ensure it responds to input commands correctly.

Measure and record the temperature and pressure of refrigerant at various points.

Check the performance of the chiller under various load conditions.

Verify the operation of the cooling tower or heat exchangers, if applicable.

Test the high-pressure and low-pressure cutouts for proper function.

4. Performance Verification

Compare the measured performance against manufacturer specifications.

Check energy consumption and efficiency ratings during operation.

Ensure that the chilled water and condenser water temperatures meet design criteria.

Record all data for future reference and analysis.

Review system performance with the commissioning team and make adjustments as needed.

5. Final Documentation

Compile all test results and performance data in a commissioning report.

Document any issues encountered and the resolutions implemented.

Ensure that all manuals and warranty information are provided to the owner.

Provide training to operational staff on the chiller’s operation and maintenance.

Schedule a follow-up inspection to ensure continued performance and reliability.

6. Handover to Operations

Review the completion of all items on the checklist with stakeholders.

Conduct a final walk-through of the installation with the owner.

Confirm that all necessary documentation is handed over to the operations team.

Obtain final sign-off from the commissioning manager and owner.

Establish a maintenance schedule and recommend best practices for operation.

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