AC Technician

Job Description – AC Technician (Technical)
Position: AC Technician
Department: Maintenance
Reporting To: Maintenance Manager / Deputy Manager – Maintenance
Qualification: ITI (Refrigeration & Air Conditioning) / Diploma in Mechanical or HVAC
Experience: 3–5 Years
Job Summary
Responsible for installation, preventive maintenance, breakdown maintenance, troubleshooting, and commissioning of HVAC systems including Split AC, Ductable AC, Package AC, VRF/VRV, AHU, FCU, and Central Air Conditioning systems in a manufacturing environment.
Technical Responsibilities

• Carry out preventive and breakdown maintenance of Split AC, Ductable AC, Package AC, VRF/VRV, AHU, FCU, and Central AC systems.
  

• Diagnose and repair faults related to compressors, fan motors, blowers, capacitors, contactors, overload relays, thermostats, sensors, expansion valves, solenoid valves, and electrical control circuits.
  

• Perform refrigerant gas charging, recovery, vacuuming, nitrogen pressure testing, leak detection, and copper pipe brazing.
  

• Measure refrigerant pressure, compressor current, voltage, insulation resistance, superheat, and subcooling using standard HVAC instruments.
  

• Maintain AHUs, FCUs, chilled water systems, pumps, cooling towers, dampers, filters, ducts, and ventilation systems.
  

• Read and troubleshoot electrical wiring diagrams, HVAC control circuits, and panel wiring.
  

• Install and commission new HVAC systems, including indoor and outdoor units, refrigerant piping, drain piping, electrical wiring, and testing.
  

• Perform routine cleaning of condenser coils, evaporator coils, air filters, drain lines, and blower assemblies.
  

• Ensure proper operation of thermostats, pressure switches, temperature sensors, actuators, and basic PLC/BMS interfaces.
  

• Maintain preventive maintenance records, service reports, gas charging logs, and breakdown analysis reports.
  

• Follow LOTO procedures, electrical safety standards, refrigerant handling practices, and 5S requirements.
  

Required Technical Skills

• Strong knowledge of HVAC and refrigeration systems
  

• Refrigerant handling (R22, R410A, R32, R134a, etc.)
  

• Compressor troubleshooting and replacement
  

• Electrical fault finding and panel maintenance
  

• Copper pipe brazing and leak testing
  

• Chilled water and air distribution systems
  

• Preventive and predictive maintenance
  

• Reading HVAC drawings and electrical schematics
  

Tools & Instruments

• Digital Multimeter
  

• Clamp Meter
  

• Insulation Tester (Megger)
  

• Manifold Gauge Set
  

• Vacuum Pump
  

• Refrigerant Recovery Machine
  

• Nitrogen Cylinder with Regulator
  

• Electronic Leak Detector
  

• Temperature Gun
  

• Anemometer
  

• Brazing Kit
  

Preferred Experience

• Industrial or manufacturing plant HVAC maintenance
  

• Split AC, Ductable AC, Package AC, VRF/VRV systems
  

• AHU, FCU, Chiller, Cooling Tower, and Ventilation Systems
  

• Preventive maintenance and breakdown troubleshooting
  

• HVAC installation and commissioning
  

• It is a Full Time Refrigerator & AC Technician job for candidates with 2 - 5 years of experience.