General HVAC Videos

Check out how to check a capacitor while the system is running.

The Refrigeration CycleAnimated explanation of the refrigeration cycle.

Reversing Valve Operation: Detailed explanation of the reversing valve operation. 

Reversing Valve DiagnosticsHow to diagnose a reversing valve.

Subcooling ProcessUnderstanding the Subcooling process and how to measure.

Superheat Process: Understanding the Superheat process and how to measure

System Charging: with the 1st Generation UI: How to charge an A/C system.

Alternate Additive Injection Method: How to inject the Zerol Ice additive into the liquid line for faster results. 

Low Voltage Short Troubleshooting: Troubleshooting a low voltage short is simply a process of elimination.

Wiring changes from HK32EA001/007 board to HK32EA003/008 (Quiet Shift) board

Enthalpy Chart – This chart helps with the Psychrometric Chart to help make it easy to convert WB temperature in Specific Heat to calculate system capacity.

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