General System Overview
- Visual inspection for leaks, corrosion, or physical damage
- Record operating hours and compare to maintenance schedule
- Check alarm history for any faults since last inspection
- Verify all monitoring systems functioning properly
- Inspect insulation integrity on piping and components
Compressor & Refrigerant System
- Compressor operation - smooth with no unusual noises or vibrations
- Check refrigerant pressures within recommended range
- Oil level and quality inspection (no contamination)
- Oil heater functioning to maintain proper temperature
- Compressor starts counter within normal range
Electrical Components
- Inspect connections for wear, corrosion, or overheating
- Motor amperage within manufacturer specifications
- Stable voltage and current with no fluctuations
- Control panel indicators and displays functioning
- All electrical safety devices operational
Water Systems
- Chilled water flow and pressure at correct levels
- Condenser water flow optimal with no pump issues
- Water temperatures within design parameters
- No visible leaks in water system components
- Water treatment system operating properly
Heat Exchangers
- Condenser and evaporator coils free of visible fouling
- Airflow through heat exchangers unobstructed
- Filters clean and fans operating properly
- Approach temperatures within acceptable range
- No unusual frost or ice formation
Safety & Protection Systems
- High/low pressure sensors tested and calibrated
- Emergency shutdown system tested for proper operation
- All safety interlocks functioning correctly
- Relief valves properly seated with no leaks
- Machine room ventilation adequate
Performance Monitoring
- System efficiency compared to historical data
- Energy consumption trends reviewed
- Operating parameters within normal ranges
- Capacity control responding to load changes
- No signs of surge or unstable operation
Documentation & Reporting
- Weekly maintenance log properly documented
- All inspection findings recorded
- Performance data logged for trend analysis
- Any corrective actions documented
- Next maintenance schedule confirmed