Technician - A/C

Job Title: AC Technician
Department: Facilities Management / Maintenance
Reports To: HVAC Supervisor 

Job Purpose

To carry out preventive and corrective maintenance, troubleshooting, repair and servicing of air-conditioning systems, including split units, ducted split units, package units, inverter A/C systems and VRF/VRV systems.

Key Responsibilities

• Perform preventive maintenance and breakdown repairs of split, ducted split, package, inverter and VRF/VRV air-conditioning systems.
• Diagnose faults in compressors, fan motors, capacitors, contactors, thermostats, control boards, sensors and refrigerant circuits.
• Carry out refrigerant leak testing, vacuuming, gas charging and pressure checks.
• Clean and service evaporator coils, condenser coils, filters, blowers, drain trays and drain lines.
• Troubleshoot inverter PCB, communication, sensor and error-code-related faults.
• Check electrical connections, operating current, voltage, insulation and safety controls.
• Repair or replace defective compressors, motors, valves, expansion devices and control components.
• Attend emergency breakdown calls and restore equipment within the required response time.
• Record maintenance activities, readings, materials used and equipment condition.
• Identify major defects and report requirements for spare parts or specialist support.
• Follow approved safety procedures, risk assessments and permit-to-work requirements.
• Maintain tools, instruments and work areas in good condition.

Qualification and Experience

• ITI, Diploma or equivalent qualification in Refrigeration and Air Conditioning.
• Minimum 3–5 years of maintenance experience in split, ducted split, package, inverter and VRF/VRV systems.
• Practical experience in refrigerant charging, leak detection, compressor replacement and electrical troubleshooting.
• Familiarity with major A/C brands and manufacturer fault codes.
• Experience in facilities management or building maintenance is preferred.

Required Skills

• Strong troubleshooting and fault-diagnosis ability.
• Knowledge of refrigeration cycles and electrical control systems.
• Ability to read wiring diagrams and equipment manuals.
• Familiarity with digital multimeters, clamp meters, manifold gauges, vacuum pumps and leak detectors.
• Ability to work independently and respond to breakdowns.
• Basic English communication and report-writing skills.