All programsLECTRA
Energy & building services

Refrigeration & Air-Conditioning

Diagnose, service and repair split systems and refrigeration units without wasting refrigerant or parts.

6 tasksNSQ Level 12h 31m of practice1 ready to start
Start “Diagnose a split unit that is not cooling”

What you’ll be able to do

Find the real fault before you replace anything.

  1. Diagnose a split unit that is not coolingInterview, inspect and measure before naming the failed stage. 12 minReady
  2. 02Recover, evacuate and charge a split systemHandle refrigerant lawfully and bring the system to its correct charge. 18 minIn build
  3. 03Install an indoor and outdoor unit pairSet positions, run the line set and pressure-test the joints. 20 minPlanned
  4. 04Trace a fault on an AC control boardIsolate, measure and identify the failed control component. 15 minPlanned
  5. 05Diagnose a domestic refrigerator not coolingSeparate a sealed-system fault from a control or airflow fault. 14 minPlanned
  6. 06Service a unit to manufacturer scheduleComplete a full service and record the performance readings. 12 minPlanned
At the end of the program

Practical assessment · Split-Unit Service & Diagnostics

Complete every task under assessment, then sit a supervised practical on a real rig at an approved centre. Pass it and the certificate goes on your record, verifiable by any employer.

Ready — you can practise it today In build — being written and reviewed now Planned — part of the program, not yet built