Skills
Protect Self and Others
- Identify, interpret, and comply with safety directives
- Wear, adjust, and maintain personal protective equipment
- Practise good housekeeping in the workplace
- Handle and dispose designated substances and refrigerants
- Follow fire safety procedures
- Operate emergency safety equipment
- Follow first aid procedures
- Report injuries
- Lock out equipment for repair or maintenance
- Work within safe physical limits
- Operate material handling equipment
- Operate worker elevating platforms
- Handle and transport compressed gases and equipment
Plan and Prepare for Installations, Maintenance, or Service of Refrigeration & Air Conditioning (R&AC) System
- Read and interpret job documentation
- Identify type of R&AC system
- Identify and select R&AC system components and equipment
- Identify design parameters of R&AC system
- Calculate the R&AC system parameters
- Identify and select R&AC system operating controls
- Identify and select R&AC system safety controls
- Identify and select R&AC system functional controls
- Identify and select R&AC system accessories
- Identify and select welding, cutting, brazing, soldering, or purging equipment
- Identify and select hand tools
- Identify and select power tools
- Identify and select electrical measuring devices
- Identify and select R&AC pressure, temperature, and flow measuring devices
- Identify and select R&AC specialty instruments
- Identify and select R&AC precision measuring instruments
- Identify and select the R&AC installation and material handling equipment
- Identify and select material handling and worker elevating methods and equipment
- Coordinate permits, inspections, and sub-trades
- Complete planning work sheets
- Communicate with others
Install and Start Up Air Cooling (AC) and Heat Pump (HP)
- Inspect AC and HP at site
- Perform a site evaluation
- Prepare work site
- Prepare site for installation
- Assemble install AC and HP components and accessories
- Braze and solder AC and HP piping
- Check AC and HP system for leaks
- Evacuate and dehydrate system
- Wire-in AC and HP
- Charge AC and HP system with refrigerant
- Set and verify AC and HP electrical, electronic, and automated control systems
- Check and adjust air flow, water, and glycol levels
- Verify charging of AC and HP system
- Verify AC and HP system operating parameters
- Commission AC and HP system
- Complete AC and HP installation and start-up documentation
Service or Maintain Air Cooling (AC) and Heat Pump (HP)
- Troubleshoot AC and HP accessories and components
- Replace or repair AC and HP accessories and components
- Replace or repair system zoning components
- Repair or replace AC and HP operating and safety controls
- Clean or replace AC and HP electrical components
- Test or replace AC and HP electronic components
- Rewire and repair AC and HP system wiring
- Clean or replace actuator and damper/zone controls
- Repair or replace refrigerant flow and metering devices
- Clean and replace heat transfer devices, coils, and heat exchangers
- Adjust and replace heat transfer medium
- Test or replace AC and HP electrical heaters, HRV/ERV and electronic air cleaners
- Replace or repair system piping
- Replace or repair AC and HP condensate drains and accessory components
- Check system for leakage
- Replace air cooling compressor
- Clean or replace AC and HP filter system and components
- Replace or repair the air side of AC and HP equipment
- Replace or repair air handler components
- Replace or repair AC and HP fans and motors
- Check operations and functions of total AC and HP system
- Complete AC and HP service and maintenance records
- Clean up work site
Install and Commission Refrigeration and Air Conditioning (R&AC) System
- Read and interpret R&AC installation and start up documentation
- Inspect R&AC system, accessories, and components at work site
- Perform a work site evaluation
- Prepare work site Coordinate permits, inspections, and sub-trades
- Prepare site for installation
- Assemble and install R&AC system, accessories, and components
- Assemble R&AC piping and components
- Join and install R&AC piping
- Check refrigerant piping for leaks
- Check component piping for leaks
- Assemble and install R&AC electrical system accessories and components
- Evacuate and dehydrate R&AC system
- Commission R&AC system
- Complete the installation and commissioning records
- Clean up work site
Maintain Refrigeration and Air Conditioning (R&AC) System
- Troubleshoot R&AC systems and components
- Clean and maintain R&AC filters and components
- Clean and maintain R&AC condenser, evaporator, and accessory components
- Clean and maintain R&AC humidifier and components
- Clean or replace R&AC electrical components
- Check operation and functions of total R&AC system
- Clean up work site Complete R&AC maintenance documentation
Service Refrigeration and Air Conditioning (R&AC) System
- Check R&AC system accessories and components
- Replace or repair R&AC mechanical components
- Repair or replace R&AC condensate components
- Repair or replace R&AC piping, accessories, and components
- Repair or replace R&AC refrigerant system, components, and accessories
- Repair or replace R&AC open, semi- hermetic, or hermetic compressor
- Repair or replace R&AC fans and components
- Repair or replace R&AC pneumatics
- Replace R&AC controls and switches
- Repair or replace Variable Air Volume (VAV) components
- Repair or replace R&AC metering devices
- Replace or repair R&AC electrical and electronic system and components
- Decommission packaged R&AC equipment
- Decommission split-system R&AC equipment
- Decommission R&AC equipment for demolition
- Clean up work site
- Complete servicing documentation
Perform Customer Service
- Determine nature of service or maintenance call
- Conduct a site evaluation
- Perform a diagnostic inspection
- Estimate costs of service or maintenance call
- Complete service or maintenance schedule
- Complete job work order
- Instruct clients
For more information, see Ontario College of Trades Training Standards
