Here’s some pics of a split system air conditioner we worked on in Naples FL. Repairs were due to improper installation by another local, to remain nameless, contractor.
Sub cooling on this system would go to high, and head pressure would go to high, it would not turn refrigerant to liquid until it was in the air handler causing poor split, making for a very low seer rating. This installation as it was would not meet today’s codes.
The image is of troubleshooting the condensing units.
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