Metering Device Testing and Replacement
Heat Pump 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.
Interested in learning more about NexTech A...
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How to Prepare and Braze Copper
In this video, we will demonstrate how to properly braze copper pipe and fittings which is much different than soldering. We will discuss purging with Nitrogen in detail in a separate video.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
