Heat Pumps

Wire Coloring of Heat Pump Thermostat Wire

Overview of Electrical Wiring and Multimeter’s

The Operation of the Defrost Control

How, Why, and When a Heat Pump Becomes Efficient

Defrost Sequence Diagram Explained in Detail

Hope to Use a Superheat Rating to Help Diagnose

How You Know When a Reversing Valve Is Bad

How a Defrost Board Operates on a Heat Pump

Properly Troubleshooting a Heat Pump

Using Discharge Temp to Charge a Heat Pump

MORE...