Smart Family's UVR Phase Monitor protects your unit from Under/Over Voltage, Phase imbalance, & Phase Reversal. Be patient on start-up. There's a time delay once you turn on the unit circuit breaker.
Did you know that you need to do quarterly PM's (preventative maintenance) on your HVAC units? Here's a detailed service bulletin to show you how to do it.
Please keep in mind, if your location has an abundant amount of airborne contaminants,, you may need to clean the coils more often.