Heating-Ventilation-Air Conditioning – Refrigeration (HVACR) Technician

Hybrid Apprenticeship
Sponsoring Company:
WorkForce Technician Education Center
Industries
O*Net Code
49-9021.00
Rapids Code
0637HY
Req. Hours
53725
State
DC
Created
Apr 29, 2021
Updated
Apr 29, 2021

Time-Based Skills

7 skill sets | 56 total skills | 53725 total hours
General trade orientation - 1950 req. hrs
Use and care of tools
325 hrs
Test and measurement devices
325 hrs
Types and sizes of piping, tubing, and fittings
325 hrs
Introduction to refrigeration system components
325 hrs
Safety procedures and first aid
325 hrs
Equipment records and reports
325 hrs
Fabrication of system components - 4575 req. hrs
Cut, thread, flare, bend, and shape piping and tubing
525 hrs
Install fittings
525 hrs
Solder, braze, and tin fittings and components
525 hrs
Care and use of oxy-acetylene and air-acetylene torches
525 hrs
Silver and soft soldering
525 hrs
System installation and connection - 24725 req. hrs
Electrical supply lines and cables
1550 hrs
Electrical connections
1550 hrs
Water service lines
1550 hrs
Air supply lines
1550 hrs
Steam lines
1550 hrs
Steam return lines
1550 hrs
Steam traps and strainers
1550 hrs
Pressure reduction, expansion, evaporator, stop valves
1550 hrs
Suction and discharge lines
1550 hrs
Gauges
1550 hrs
Dehydrators
1550 hrs
Filters and strainers
1550 hrs
Controls
1550 hrs
Equipment installation - 30125 req. hrs
Install condensers
900 hrs
Prepare compressor and motor bases
900 hrs
Install and align compressors and motors
900 hrs
Install evaporators and other cooling coils
900 hrs
Install and align centrifugal pumps and bases
900 hrs
Safe equipment moving - slings, lines, blocks and falls, chain hoists, rollers, dollies, and skids
900 hrs
System maintenance - 37825 req. hrs
Troubleshoot field systems
1100 hrs
Test pressure, flow, etc.
1100 hrs
Check liquid levels
1100 hrs
Check repair leaks (refrigerants, liquids)
1100 hrs
Purge, dehydrate, and charge systems
1100 hrs
Repair, align, and adjust fans and blower sections
1100 hrs
Align pulleys, bearing blocks, belt tension
1100 hrs
Equipment repair - 49225 req. hrs
Disassemble and clean, repair, perform shop tests and run-in compressors
2850 hrs
Repair, pressure test, dehydrate evaporators
2850 hrs
Repair, acidize condensers, and roll condenser tubes
2850 hrs
Remove, replace, disassemble, test, clean, calibrate, and renew defective parts on controls of all types including: pneumatic, electrical, electro-pneumatic, thermostatic, humidity, pressure, vacuum
2850 hrs
Energy Efficiency - 53725 req. hrs
Demand controlled ventilation
300 hrs
Dedicated outdoor air systems—conditioning outdoor makeup air separately from indoor return air.
300 hrs
Displacement ventilation—uses a low velocity stream of fresh, cold air at floor level to displace stale air near the ceiling
300 hrs
Electronically commutated motors—variable-speed HVACR Blower
300 hrs
Energy recovery ventilation (ERV)—captures energy from exhausted air and uses it to precondition incoming makeup air.
300 hrs
Zero-degree heat pumps
300 hrs
Duct sealing
300 hrs
Adaptive logic control—adapting to HVACR systems with a wide range of operating states.
300 hrs
Desiccant dehumidification—absorbs moisture with a liquid desiccant solution and then evaporates it using heat.
300 hrs
Micro channel heat exchangers
300 hrs
Micro environments—create a virtual zone for occupant environmental control.
300 hrs
Thermal energy storage—provides cooling capacity by extracting heat from storage material, such as ice or chilled water.
300 hrs
Chilled beam cooling—uses natural convection and radiative heat transfer.
300 hrs
Adjustable speed drives (ASD) reducing motor speed to accommodate varying HVACR loads.
300 hrs
Variable flow volume (VFV) systems—are ductless systems with multiple compressors to provide part-load performance and zoned temperature control.
300 hrs