Air & Water Cooled Chiller Service Superviosr

Job Summary Responsible for servicing, troubleshooting, repairing, testing and commissioning commercial and industrial water-cooled and air-cooled chiller systems. The role requires independent diagnosis of mechanical, refrigeration, electrical and control faults to ensure reliable and efficient chiller plant operation. Responsibilities Perform preventive and corrective maintenance on water-cooled and air-cooled chillers to ensure optimal operation Service centrifugal, screw, scroll, and reciprocating chillers according to manufacturer specifications Troubleshoot compressors, evaporators, condensers, expansion valves, and refrigeration circuits to identify and resolve faults Conduct refrigerant recovery, vacuuming, pressure testing, leak detection, and refrigerant charging to maintain system integrity Service chilled water pumps, condenser water pumps, and cooling towers to support chiller system performance Replace compressor oil and filters and verify operating parameters to maintain equipment reliability Diagnose and repair electrical panels, motor starters, variable speed drives (VSDs), programmable logic controllers (PLC), and building management systems (BMS) controls Perform testing, commissioning, and verification of chiller plant performance to meet operational standards Respond to emergency breakdowns promptly and conduct root cause analysis to prevent recurrence Prepare detailed service reports, maintenance records, and technical recommendations for clients and management Maintain and service HVAC/ACMV equipment including air handling units (AHU), fan coil units (FCU), and VRV/VRF systems as needed Preferred competencies and qualifications Minimum 6 years’ experience in commercial and industrial chiller servicing Experience servicing Daikin, Trane, Carrier, York, McQuay, Mitsubishi Electric, or equivalent chillers Strong knowledge of refrigeration systems, chilled water systems, condenser water systems, and cooling towers Experience working in hospitals, pharmaceutical facilities, data centres, or mission-critical buildings Ability to read P&ID drawings, electrical schematics, and control diagrams accurately Experience troubleshooting PLC, BMS, and VSD systems Possession of Class 3 Driving Licence is an advantage Ability to work independently and respond to emergency breakdowns after office hours when required