Regular Reactive and Preventive maintenance work on air conditioning unit system.Using tools and testing instruments to diagnose electrical and mechanical defects and malfunctions.Installation, replace or repair equipment/components as required.Set system parameters to ensure optimum running condition.Check refrigerant levels and charge as necessary.Carry out leak test and carry out repairs required to maintain authority.Work with Assistant AC Technician to provide training and ensure development.#J-18808-Ljbffr