HVAC & Refrigeration Technician

HVAC & Refrigeration Technician

Each candidate MUST demonstrate hands-on competence in BOTH commercial refrigeration and air conditioning; expertise in only one discipline is insufficient.

Scope of work

 Install, service, diagnose and repair cold rooms, walk-in freezers, display chillers and commercial refrigeration systems.

Assemble and install insulated cold-room sandwich panels, doors and related accessories.

 Troubleshoot compressors (including Copeland, Bitzer and Dorin or comparable systems), evaporators, condensers, expansion devices, defrost and temperature controls.

Work with digital refrigeration controllers such as Dixell, Carel and Eliwell, including parameter checks and fault diagnosis.

 Carry out refrigerant leak detection, recovery, pressure testing, evacuation and charging safely.

Perform copper-pipe brazing and safe refrigerant handling/recovery, including R404A, R134a and R410A where appropriate to the system and regulations.

 Install, maintain and troubleshoot package, ducted split, concealed, cassette and split air conditioning systems.

Service and troubleshoot VRF/VRV systems and air handling/fan coil units (AHU/FCU).

 Diagnose electrical, mechanical and control faults; repair copper piping, drainage, wiring, thermostats, motors and related components.

 Perform preventive/corrective maintenance, emergency call-outs and simple English service reports.

Mandatory screening criteria

 3–5 years relevant practical experience across BOTH HVAC and refrigeration.

 Read basic wiring diagrams; use gauges, multimeters, clamp meters and vacuum pumps.

 Pass separate practical troubleshooting assessments in HVAC and refrigeration