In this video, we will learn how to tell if a heat pump is overcharged or undercharged.
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In this video, we will show you how to properly test the defrost operation on a heat pump system in order to verify proper operation.
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In this video, we will show you how to recognize liquid line restrictions, along with how to diagnose a problem with a metering device.
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This video will demonstrate steps on how to test thermal expansion valves on evaporator coils for air conditioning equipment in the field.
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