Some systems unavailable on October 2

A planned maintenance window to perform upgrades to the Colleague system beginning 12 a.m. Monday, October 2, will affect certain IT systems. Details on impacted systems are available.

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To report any issues with the site, email [email protected]. For tips on navigating the site, we've created a brief how-to video.

Curriculum Education

REF-117 Refrigeration Controls

This course covers the design, operation, function, and schematics of basic control systems used in the refrigeration industry. Topics include proper control application, selection, and use of test instruments; simple control wiring; and the use of schematics as a troubleshooting tool. Upon completion, students should be able to identify, diagnose, and repair electrical and mechanical malfunctioning components.


Requisites: Take AHR-110(S14098) AHR-111(S14148) or ELC-111; Take previously. Required.

Total Class Credits: 4
Class Credits: 2
Lab Credits: 6
Clinic Credits: 0


Register for this course in Self Service.