HCR 290 - Commercial HVAC/Refrigeration

Credits: 5
Lecture Hours: 2
Lab Hours: 6
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech

Course covers basic commercial refrigeration systems, components and their use, applications, methods of installation, maintenance, diagnosis and repairs.
Prerequisite: HCR 270, HCR 506
Competencies

Troubleshoot roof top units
Install/replace evaporator fan motors
Understand and troubleshoot/replace proper nozzle T.E.V. sizing
Troubleshoot/replace compressors
Troubleshoot and maintain walk-in coolers
Troubleshoot, maintain, rewire ice machines
Install defrost timers
Install and adjust pressure controls
Install and adjust temp controls
Recover, evacuate, and charge light commercial units
Identify and adjust water pressure regulating valves
Identify compressor for refrigerant conversion
Troubleshoot defrost cycle
Identify and adjust pressure regulating valves
Using a drawing, identify the various temperature and pressure components in a commercial refrigeration system
Understand flooded condenser valves