Fundamentals of Electricity
The characteristics of alternating current, waves, phase relations, transfer action, electrical circuits, and its use with controls, motors, relays, resistors, including legends and symbols are taught. In addition, the student will study the wide variety of motors, single and three phase, used
in the air conditioning and refrigeration field.
TUBING AND PIPING
This course covers the process of identifying tubing and pipe with practical applications in sizing and fitting to different configurations using mechanical fittings and soldering. The history and development of air conditioning is also covered. Silver branding and aluminum soldering is also taught. Practical application is provided in the laboratory. Safety is emphasized.
CTE General Technology Fee; $50.
Designed to teach the student how to set up a control system for different types of control requirements. Different types of control methods are studied, such as PLC, digital and microprocessor systems.
CTE General Technology Fee: $20.
INDUSTRIAL SAFETY IN AIR CONDITIONING AND REFRIGERATION
The hazards associated with the different refrigerants, electricity, the oxy-acetylene torch, radon, carbon monoxide, extreme heat and extreme cold will be addressed.
BASIC COMPRESSION AND REFRIGERATION
A comprehensive study of mechanical refrigeration systems emphasizing proper service techniques through analysis of the problem. Testing procedures, parts removal and installation are covered in depth. Also included is a study of the computation of temperature - pressure relationship and related problems.
The student will study the wide variety of motors used in the air conditioning and refrigeration field. In addition, various system controls, relays, resistors, contactors, and timers are concepts that will be taught as they relate to motors and their operation.
The student will learn to read, draw, and interpret writing diagrams and to place the circuitry in operative arrangements with electrical and electronic symbols. System diagrams will be developed by the student for a wide variety of A/C equipment.
Pre-requisite: ACR 1203 and ACR 1302. This course is a study of the major components and control devices for gas and oil furnaces, hydronic systems, heat pumps, and cooling systems.
HEAT GAIN AND LOSS
Pre-requisite: ACR 1302. A study of air properties and the instrumentation to meet the environmental needs of structures, residential and commercial, and the factors involved in the calculation of heating and cooling loads. Also included, is a study of the distribution mediums such as duct design and sizing.
AIR CONDITIONING SERVICE
This course includes a comprehensive study of air conditioning systems which emphasizes proper service techniques through analysis of the problem. Testing procedures, parts removal, and installation are covered in depth. A study of the computation of temperature pressure relation and related problems is included. Environmental impacts and safety are emphasized , including Environmental Protection Agency certification.
Covers all aspects of using ammonia as a refrigerant. Describes both single-stage and two-stage ammonia systems. Explains the importance of accumulators and intercoolers in ammonia systems. Concludes with coverage of liquid recirculation system operation.
Provides an introduction to safety, tools, machinery, materials, and fasteners used in the sheet metal trade.
Will cover the basic theory, operation, and construction of a high pressure boiler.
ACR 2991, 2992, 2993, 2994, 2995, 2996
SPECIAL TOPICS FOR AIR CONDITIONING AND REFRIGERATION
This course is designed to introduce students to specific areas in Air Conditioning and Refrigeration. Course content and credit are designed to meet the needs of the student. The topic will vary from offering to offering; thus, the course may be taken more than once for a total of 6 hours. This course requires 15 clock hours per one semester credit hour.
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