DUFFERIN-PEEL CATHOLIC DISTRICT SCHOOL BOARD

Transcription

1 DUFFERIN-PEEL CATHOLIC DISTRICT SCHOOL BOARD JOB DESCRIPTION POSITION TITLE: Air Conditioning Mechanic DEPARTMENT: Plant TITLE OF IMMEDIATE SUPERVISOR: Supervisor, Maintenance Services Position Summary Under the direction of the Supervisor, Maintenance Services, the Air Conditioning/Refrigeration Mechanic is responsible for the installation, repair, operation and preventive maintenance of air conditioning and refrigeration equipment and for all associated controls. Major Functions and Responsibilities Performs the daily repair and adjustment of air conditioning and refrigeration equipment. Systematically diagnoses malfunctions in air conditioning equipment and systems and carries out necessary and appropriate repairs and/or adjusts system to minimize system down time and ensure continued comfort of staff and students. Replaces defective or worn system components to maximize economy of operation. Replaces refrigeration compressors, piping and associated equipment, system leak testing evacuation and charging. Tests refrigerants and systems for contamination.

2 Disassembles, inspects, overhauls and re-assembles reciprocating and rotary compressors. Tests, services and repairs the motor control devices connected to the building environmental control equipment. Replaces or repairs defective heating devices and sets up and performs combustion efficiency tests. Performs seasonal start up and close down operations. Records details of repairs made or modifications undertaken. Installs and upgrades air conditioning equipment, ductwork, and all associated equipment making necessary field modifications and service configurations, to accommodate new equipment. Installs new air conditioning systems including ductwork diffusers, refrigeration pipe work and all associated components. Extends existing system to new building zones and re-balances the air and/or liquid circuits to suit revised parameters. Records all work performed on as-built drawings and catalogues preventive maintenance procedures. Conducts air conditioning/refrigeration system preventive maintenance to ensure maximum economy of operation, prevent unnecessary breakdown of equipment, and isolate potential system problems. Cleans heat transfer surfaces and strainers, and checks for corrosion wear and other defects. Checks refrigeration and oil levels, system operating pressures and temperatures and adjusts to recommended performance levels. Checks operation of chemical treatment and lubricates and adjusts as necessary. Opens, cleans and inspects heating equipment including hydronic boilers, pumps and motors. Cleans, lubricates, adjusts and replaces system components including bearings, belts, filters, regulators, vibration eliminators, control equipment and accessories.

3 Supports the Building Operators by providing the Building Operators with advice and skills as needed. Tests, services, and repairs hydronic pumps and motors. Checks and balances hydronic and air systems to design requirements. Checks and reports equipment not conforming to current safety recommendations or regulations. Performs general repairs on all other related areas not specified above. Provides input to the Plant Department for the development and continued updating of the preventive maintenance programs for all Board facilities. Advises the Supervisor, Maintenance Services of the need for changes to operational procedures and policies to make the system run more smoothly. Responsible for the daily maintenance and upkeep of the assigned Board vehicle and ensures the vehicle is kept clean, as well as advises the Supervisor of any mechanical deficiencies. Performs other duties as assigned by the Supervisor, Maintenance Services. Qualifications, Education, Experience, and Knowledge Valid Refrigeration, Air Conditioning mechanics licence issued by the Ontario Ministry of Education & Training or an equivalent Canadian inter-provincial licence. Valid Ozone Depletion Prevention Certificate. Valid G1 gas fitters licence issued by the Ontario Ministry of Skills Development or an equivalent Canadian inter-provincial licence. Valid Ontario drivers licence. Minimum grade 12 secondary school education or equivalent combination of education and experience. Minimum of five years experience in diagnostic evaluation, maintenance, installation, set up and commissioning of commercial air conditioning and refrigeration systems.

4 Good working knowledge of the latest developments in air conditioning technology. Good working knowledge of building service systems. Ability to read mechanical and electrical construction, schematic and control drawings. Good working knowledge of Direct Digital Control interface systems. Good working knowledge of electrical control systems, operating procedures, relevant codes and safety practices. Knowledge of the Occupational Health and Safety Act and compliance with Section 17. Good oral and written communication in English. Impact of Errors Incorrect actions could result in significant loss of time and resources and could impact on the health and safety of others Incorrect use of tools and equipment could impact on the health and safety of others Supervision Directs the activities of any assigned maintenance personnel. Contacts Internal: Liaison with Principals, Vice Principals, Custodians and school staff to gather and provide information.

5 External: Liaison with suppliers to purchase materials required. Working Conditions Required to work at heights. Required to work alone in a self-managing role or in a team environment. Working indoors and outdoors in an environment that may be characterized by excessive exposure to a wide range of environmental conditions such as heat, dust, noise, fumes and changes in temperature and weather. Signatures Manager of Maintenance Services: Date: General Manager of Physical Plant Facilities: Date: Superintendent: Date: April 2009