Elements and Performance Criteria
- Undertake preventative maintenance checks on refrigerant flow controls
- The location and operation of the control is understood.
- The operational parameters of the refrigerant control are understood.
- Visual inspection and testing with appropriate test equipment is carried out by following refrigeration principles, procedures and safety requirements.
- The refrigerant type is correctly identified.
- Undertake fault finding on refrigerant flow controls
- Flow control is identified correctly.
- The characteristics of the flow control are understood.
- The operational function of the flow control and associated valves are inspected and tested.
- Appropriate test equipment can be selected/used safely.
- Correct operation of the flow control is assessed against specification.
- Repair or replace refrigerant flow control
- Using manufacturers' catalogues and specifications, appropriate flow control or components relevant to system operation are selected for replacement/repair.
- The refrigerant is removed/contained safely from the system in accordance with refrigeration principles and procedures and relevant standards and codes.
- Faulty components are dismantled and repaired /replaced to manufactures' specifications as required.
- Replacement parts are selected from manufactures catalogues according to required specifications.
- Return to service refrigerant flow control
- System is evacuated and recharged with refrigerant safely, in accordance with refrigeration principles and procedures and relevant standards and codes.
- System is leak tested in accordance with refrigeration principles/procedures and relevant standards and codes.
- Flow control is adjusted to manufactures' specifications in accordance with refrigeration principles and procedures and relevant standards and codes.
- Performance check is undertaken in accordance with refrigeration principles and procedures and relevant standards and codes.
- Maintenance records service reports are completed by appropriate designated means.