General System Overview
- Comprehensive visual inspection of all components including piping, insulation, joints, valves, and electrical systems.
- Document visible signs of wear, leaks, corrosion, or physical damage.
- Review total annual operating hours and compressor starts.
- Compare operating data with manufacturer's service schedules.
- Reset service counters and update maintenance tracking systems.
- Test all alarms under simulated fault conditions.
- Verify proper operation of all monitoring and control systems.
Compressor & Refrigerant System
- Perform comprehensive compressor inspection for wear and tear.
- Clean, lubricate, and replace worn compressor parts as needed.
- Check motor amperage and ensure operation within specified limits.
- Conduct comprehensive refrigerant pressure check and leak detection.
- Repair any identified leaks and replenish refrigerant as necessary.
- Replace compressor oil with manufacturer-recommended grade.
- Test oil heater functionality and refrigerant migration prevention.
- Perform vibration analysis and document results.
Heat Exchanger & Cooling Tower
- Inspect and thoroughly clean condenser coils.
- Remove all scale, dirt, or debris impairing heat transfer.
- Perform eddy current testing on heat exchanger tubes.
- Verify water flow rates meet design specifications.
- Check entering and leaving temperatures against specifications.
- Inspect cooling tower structure, fill media, and drift eliminators.
- Service cooling tower fans, motors, and drive systems.
- Deep clean cooling tower basin and water distribution system.
Water System & Treatment
- Comprehensive water quality analysis including all parameters.
- Test for pH, alkalinity, hardness, TDS, and biological activity.
- Review and optimize water treatment program effectiveness.
- Inspect and service all water filters and strainers.
- Clean and calibrate chemical feed systems.
- Document water treatment costs and chemical usage.
- Evaluate alternative water treatment technologies for cost savings.
Electrical System
- Full electrical inspection of all components and connections.
- Clean and test all relays, circuit breakers, and fuses.
- Perform motor insulation resistance testing (megger test).
- Check motor efficiency, amperage, and voltage balance.
- Verify correct voltage and current supply to chiller.
- Inspect for signs of overheating or electrical wear.
- Test and calibrate all control sensors and transducers.
- Perform infrared thermography on all electrical connections.
Safety & Protection Systems
- Comprehensive testing of all safety switches and devices.
- Test and certify all pressure relief valves.
- Verify temperature controls and emergency shutdown systems.
- Functional test of all alarms and indicators.
- Test refrigerant monitoring and leak detection systems.
- Verify equipment room ventilation meets code requirements.
- Update all safety inspection tags and certifications.
Performance Analysis
- Comprehensive annual efficiency review and analysis.
- Compare annual cooling output versus energy consumption.
- Benchmark performance against industry standards.
- Analyze historical data for efficiency degradation patterns.
- Calculate annual operating costs and cost per ton-hour.
- Identify and document energy optimization opportunities.
- Develop action plan for efficiency improvements.
Documentation & Compliance
- Create comprehensive annual inspection and maintenance report.
- Document all maintenance activities and corrective actions.
- Update equipment history and maintenance records.
- Verify compliance with all local regulations and codes.
- Ensure environmental compliance documentation is current.
- Review and update standard operating procedures.
- Create predictive maintenance plan for upcoming year.
- Submit warranty and compliance reports as required.