HVAC Tips

Importance of Micron Gauges

•  AC,  Heat Pump,  Installation

14 SEER Hot Gas Bypass Defrost Board

•  Heat Pump,  Troubleshooting

Do you know how to properly energize a 14-SEER hot gas bypass defrost board?

18/20 SEER – Power the Condenser First

•  Troubleshooting,  AC,  Heat Pump

Do you always power the line voltage to the condenser before powering the indoor unit?

Understanding Voltage Drop

•  Troubleshooting,  Furnace,  AC,  Heat Pump

Do you know how to properly measure voltage?

Importance of Flowing Nitrogen While Brazing

•  Installation,  AC,  Heat Pump

Do you always flow dry nitrogen while brazing?

Heat Pump Reversing Valves

•  Heat Pump,  General

Do you know how to properly hook up power to the reversing valve?

Connecting Gauges to 13/14 SEER Heat Pumps

•  Heat Pump,  AC,  General

Do you know where to properly connect gauges to the service valve in our 13/14 SEER heat pumps?

Understanding Superheat and Subcooling in a Refrigeration System

•  Troubleshooting,  Heat Pump,  AC

Do you know how to properly measure superheat and subcooling?

How to Read Quick Data Reference Sheets (QRD)

•  AC,  Heat Pump,  General

Do you know how to properly use the Quick Reference Data Sheet?

Measuring Subcooling

•  Heat Pump,  AC,  Troubleshooting

Do you know how to properly measure the subcooling of a unit?