Trane CenTraVac™ – Daily Centrifugal Chiller Maintenance Procedure
This checklist ensures daily inspection of Trane CenTraVac™ centrifugal chillers to support optimal cooling performance, energy efficiency, and regulatory compliance.
General System Overview
- Visual inspection of chiller unit and mechanical room for leaks, damage, or abnormal conditions.
- Record total operating hours and compressor starts from Tracer AdaptiView display.
- Verify all alarms (temperature, pressure, flow) are functional and audible.
- Check proper labeling and warning signs for hazard identification.
- Inspect for corrosion, cracks, or loose components on chiller framework.
- Verify adequate ventilation and ambient temperature in mechanical room.
Control System & Display
- Tracer AdaptiView display functional and touchscreen responsive.
- No active alarms or diagnostic warnings present.
- Review trending data and verify normal operating patterns.
- Operating setpoints match current building load requirements.
- Communication with building automation system verified.
- Energy monitoring data accurate and updating in real-time.
Compressor & Refrigerant System
- Compressor operation smooth with no unusual vibrations or noises.
- Refrigerant levels checked and no leaks detected.
- Oil levels in sight glass at proper level (standard models).
- Oil return system functioning correctly.
- Magnetic bearing system operational (if equipped).
- Inlet guide vanes operating smoothly through full range.
Electrical Components
- Chiller receiving correct voltage and current per specifications.
- Proper grounding verified and electrical connections secure.
- All electrical connections free from corrosion and wear.
- AFD (Adaptive Frequency Drive) operating within parameters.
- Motor amperage within specified limits.
- Control panel indicators and displays functioning correctly.
Water Systems
- Proper chilled water flow rate and pump operation verified.
- Adequate condenser water flow with no obstructions.
- Chilled and condenser water temperatures within design parameters.
- Water pressure differential across heat exchangers normal.
- Pressure relief valves inspected and properly seated.
- Water treatment system functioning and chemical levels correct.
Heat Exchangers
- Evaporator and condenser approach temperatures within limits.
- No signs of fouling or scaling on tube sheets.
- Proper water box venting verified.
- Heat exchanger end bells secure with no leaks.
- Refrigerant subcooling and superheat values normal.
Safety & Protection Systems
- High/low pressure cutouts tested and functioning.
- Temperature sensors and thermistors operational.
- Emergency stop buttons tested and accessible.
- Flow switches for chilled and condenser water verified.
- Refrigerant monitor/leak detection system operational.
- Lockout/tagout procedures posted and equipment available.
Performance Monitoring
- System efficiency (kW/ton) monitored and recorded.
- Energy consumption within expected parameters.
- Historical performance trends reviewed for anomalies.
- Capacity control responding appropriately to load changes.
- Surge protection system functioning properly.
- Operating data logged for maintenance tracking.
Documentation & Reporting
- Daily inspection log completed with all parameters recorded.
- Maintenance activities documented in equipment history.
- Environmental compliance records updated.
- Safety inspection checklist completed.
- Refrigerant usage and recovery documented per EPA requirements.
- Water treatment logs maintained and current.