HVAC Technician (Direct Expansion) at Ascentech Services Limited

JOB SUMMARY

We are seeking a skilled and experienced HVAC Technician to handle the installation, maintenance, troubleshooting, repair, and servicing of Direct Expansion (DX) air-conditioning systems within a facility. The ideal candidate should have strong hands-on experience with split, cassette, and ducted AC systems and be capable of diagnosing and resolving mechanical, electrical, and refrigeration faults.

KEY RESPONSIBILITIES

• Install, service, maintain, and repair split, cassette, and ducted AC systems.
• Carry out preventive maintenance and routine cleaning of AC units.
• Diagnose and troubleshoot cooling, electrical, refrigeration, and control-system faults.
• Check and record refrigerant pressure, voltage, current, and temperature readings.
• Perform refrigerant charging, recovery, leak detection, and system evacuation.
• Carry out copper pipe installation, brazing, repair, vacuuming, and pressure testing.
• Replace and repair compressors, motors, PCBs, sensors, capacitors, and other AC components.
• Inspect, clean, and repair condensate drainage systems.

REQUIREMENTS

• Technical qualification in HVAC, Refrigeration & Air Conditioning, or a related field.
• 1–3 years of hands-on experience working with DX air-conditioning systems in a commercial, residential, or facility environment.
• Strong troubleshooting and fault-diagnosis skills.
• Good knowledge of refrigeration and electrical principles related to AC systems.
• Ability to use basic HVAC tools and testing instruments, including gauges, multimeters, and clamp meters.
• Practical experience with refrigerant charging, recovery, leak detection, brazing, vacuuming, and pressure testing.
• VRV/VRF experience is an added advantage.