Walk-in cooler getting too cold! Here is another Heatcraft Quick Response system. Pretty quick diagnostic, pretty quick repair. This information is in the installation and operation manual for Heatcraft Quick response and can be found on their website. We test the electronic expansion valve (EEV) and determine it was bad, and we see the symptoms of when they are bad. #hvac #hvacapprentice #hvactechnician #hvacr #refrigerationtech | Let's Be Techs
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