Diagnosing Heat Pump Liquid Line Restriction

Info Video Info Tips: Liquid Line Restriction When diagnosing  or servicing the liquid line in your system you must be aware and be able to distinguish between a restricted liquid line and a system overcharge.  If your adding refrigerant to a system check  if the high-pressure control has a restriction,  otherwise the receiver can cause a high-pressure in the system and damage your unit. First make sure the high-pressure control is set. If... [Read More...]

HVAC Capacitors 101

There are two basic types of motor capacitors most commonly used in HVAC. The run capacitor and the start capacitor. Motor capacitors are used to either increase run efficiency of the motor or to give it an initial joult to jump start the motor. They are sometimes referred to as motor starter capacitors or power capacitors. Motor capacitors are only used for single-phase motors that generally see heavy use throughout the HVAC industry. Typical applications... [Read More...]