RFAC 110 FUNDAMENTALS OF REFRIGERATION

This is an introductory course in basic refrigeration with an emphasis on equipment related to both commercial and domestic refrigeration systems. Topics covered include refrigeration principles, basic mathematics, trade tools, gas laws, pressure/temperature relationship, heat transfer, refrigerants, compression cycle, compressors, condensers, evaporators, metering devices, refrigeration oils, desiccants and driers, evacuation, and safe handling of refrigerants.

Prerequisite: None

(3: 3, 0) Fall

RFAC 120 FUNDAMENTALS OF REFRIGERATION LABORATORY

This course emphasizes the development of knowledge about and hands-on skills in working with refrigeration systems. Students construct a working refrigeration unit and develop knowledge about and skills in servicing, analyzing, problem solving, and pertinent safety practices in the operation of refrigeration systems.

Prerequisite: None

(4: 0, 12) Fall

RFAC 130 HVAC ELECTRICAL

Basic electricity for HVAC mechanics is taught, including DC circuits, AC circuits, wiring diagrams, schematics, single-phase motors, starting circuits, three-phase motors, and control circuits.

Prerequisite: None

(3: 3, 0) Fall

RFAC 140 COMMERCIAL REFRIGERATION PRINCIPLES

This introductory course emphasizes equipment related to commercial refrigeration systems. Topics covered include pressure/enthalpy diagrams, heat load, compressors, condensers, cooling towers, water treatment, water devices, evaporators, electric motors, defrost methods, meat cooling, beverage cooling, ice machines, ice cream dispensers, and bulk milk cooling.

Prerequisite: None

(3: 3, 0) Spring

RFAC 150 AIR CONDITIONING TROUBLESHOOTING

Air conditioning troubleshooting is stressed in this course, including: system piping, safety devices, psychro-metrics, psychrometric calculator, air distribution, heat transfer, troubleshooting, computer usage, economizer systems, water source heat pumps, compressor replacement, and system evacuation.

Prerequisite: None

(3: 3, 0) Spring

RFAC 160 AIR CONDITIONING PRINCIPLES

This is a fundamental course in air conditioning systems operation. Topics covered include: moisture in air; electricity; safety practices; room air conditioners; air conditioning systems; low-voltage thermostats; residential air conditioning systems; heat pumps; controls; hydronics; blowers and fans; and air filters.

Prerequisite: None

(3: 3, 0) Spring

RFAC 170 REFRIGERATION AND AIR CONDITIONING SYSTEM OPERATION
LABORATORY

This course focuses on the development of knowledge about and hands-on skills in the installation and servicing of a wide variety of air conditioning and commercial refrigeration equipment and systems. Pertinent safety practices are also covered. Students acquire in-depth experience in troubleshooting, analyzing, and repairing air conditioning and refrigeration equipment in the laboratory.

Prerequisite: None

(4: 0, 12) Spring