VRF Technician

Job Purpose

The VRF Technician is responsible for the installation, operation, preventive maintenance, troubleshooting, repair, and servicing of VRF/VRV air-conditioning systems and associated equipment. The technician must ensure HVAC systems operate safely, efficiently, and reliably while responding promptly to breakdowns and maintenance requests.

Key Responsibilities

• Carry out preventive and corrective maintenance of VRF/VRV air-conditioning systems.

• Inspect and maintain outdoor units, indoor units, compressors, inverter systems, expansion valves, control boards, sensors, and associated components.

• Check operating pressures, temperatures, refrigerant levels, current draw, voltage, and system performance.

• Clean and service filters, coils, drain pans, blower assemblies, and other components.

• Check refrigerant piping, insulation, joints, valves, and connections for leaks or damage.

• Ensure proper drainage and inspect condensate drain lines and pumps.

• Diagnose and rectify VRF system faults and breakdowns.

• Identify electrical, mechanical, refrigerant, communication, and control-system faults.

• Use manufacturer-specific diagnostic tools and error codes to identify system problems.

• Troubleshoot communication errors between indoor and outdoor units.

• Check and replace defective sensors, PCBs, fans, compressors, expansion valves, capacitors, contactors, and other components as required.

• Carry out refrigerant leak testing, evacuation, vacuuming, charging, recovery, and system commissioning in accordance with approved procedures.

• Diagnose sensor and communication faults.

• Interface with BMS or centralized HVAC control systems where applicable.

Desired Candidate Profile

• ITI / Diploma / Trade Certificate in HVAC, Refrigeration & Air Conditioning, or related discipline.
• Minimum 5 years of relevant HVAC experience, with strong hands-on experience in VRF/VRV systems.
• Experience with major VRF/VRV brands is preferred.
• Experience in commercial buildings, hotels, hospitals, facilities management, residential towers, or large-scale projects is an advantage.
• GCC/Qatar experience is preferred.