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COMPRESSOR CHANGE OUT PROCEDURE
- Once Compressor has been Deemed failed.
- Pressing the K1 Button 11 times at the outdoor unit, this is vacuuming all mode.
- You should see K - 4- Blank - A at the outdoor unit display.
- for Heat recovery systems, model numbers (4TVR) this should open all valves in the system, including MCU And EEV'S.
- Heat Pump systems Model numbers (4TVH) this should only open valves in the outdoor unit and indoor EEV'S.
- This should allow refrigerant to be recovered.
- Attached is an Official Samsung compressor change out document.
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