Troubleshooting the refrigerant circuit can be challenging sometimes and even more challenging to try and convey what is happening to technical support staff. Below are two forms, one for straight AC's and the other for HP's for you to download as use as a diagnostic tool. These forms help not only in making sure the proper readings for a full accurate diagnosis are taken, they also give a visual representation of the refrigerant circuit operation that can sometimes aid the technician in seeing the problem.
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