Also available as a training kit for service managers and instructors.

"How will you know what's wrong with something if you don't know what right is in the first place?" - Jim Johnson

In this HVAC training video program, Jim follows up on "Deciding Where To Begin" (DVD 319-01 with specific component tests technicians can perform to determine the specific failure that is the cause of general complaints of "not cooling," "not blowing air" or "no heat."

Specific Tests Covered In This Video Are:

• Testing transformers.
• Testing contactors.
• Testing potential relays and start capacitors.
• Testing compressor motor windings.
• Testing multiple speed fan motors and fan relays.
• Testing thermostats.
• Testing gas valve coils.