DT 246 — TRACTOR HEATING, VENTILATION, AND AIR
CONDITIONING (HVAC) TESTING This course covers the basic parts of air conditioning systems, the theory of its operation, and diagnosing problems associated with HVAC systems. The student will also become competent in reclaiming, evacuating, charging, and performance testing air conditioning systems. These skills are frequently used in a typical tractor, farm/industrial equipment shop. These skills can also be used in vocational student organizations. 2 credits