Refrigeration Technician (Commercial Cold Rooms)

The hospital building services team in Mamelodi needs an HVAC technician who knows both the electrical side and the refrigerant side. It suits someone who likes knowing exactly what a good day's work looks like.

This post is Mamelodi-based, with most of your time spent at a hospital building services team.

• Respond to temperature alarms from cold rooms before stock is lost
• Install split units, cassettes and ducted systems, including brazing and vacuum work
• Pressure test with nitrogen, pull a deep vacuum and charge with R410A, R32 or R134a
• Commission new systems and show the client how to use the controls
• Service cold rooms, display fridges and freezers on planned maintenance routes
• Replace thermostatic expansion valves and electronic controllers

• Comfortable on roofs and ladders in summer heat
• At least 2 years servicing commercial or residential systems
• SAQCC Gas registration as an authorised person for refrigerants
• Understanding of single- and three-phase control circuits
• Refrigeration and air-conditioning trade test or an NQF 4 occupational certificate
• Code 08 driver's licence, since the job is mostly on the road

• Experience with VRF systems or chillers
• Transport refrigeration units on trucks and trailers

• Standby pay for weekend fridge breakdowns
• Manufacturer training on new equipment ranges
• Company vehicle with a fitted tool rack

• Say which refrigerants and system types you have worked on. A recruiter for supermarket work wants to see CO2 or large rack systems.
• Mention whether you are comfortable on standby. Most service jobs in this trade include it.