Metering Device Testing and Replacement
Heating Systems
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5m 37s
This video will demonstrate steps on how to test thermal expansion valves on evaporator coils for air conditioning equipment in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Relay Types and Operation
HVAC equipment can have many different types of relays to turn different components on and off. In this video, we will show you the different types of relays found on equipment and how they operate.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Applying Acid Neutralizer and Flush
This video will show you how to properly neutralize the acid in a refrigeration system and flush the system with an r-11 flush kit. This procedure should be done any time a system has acid in it, or when a compressor has been replaced due to a burnout.
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Troubleshooting A Compressor
Most compressors turned in for warranty are not even bad. This video shows you how to properly diagnose a compressor in the field to see if it does in fact require replacement.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
