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Four-way valve of the outdoor machine shuts down when cooling and defrosting
but starts when heating. During the heating process, the four way valve to stop working for a
period of time after compressor disconnect.
7. Start-up Protection:
To prevent compressor from restart frequently in the condition that system
pressure has not been completely balanced, it can't be restarted within 3 minutes.
8. Pressure Protection:
When the pressure increases to a preset value, the pressure switch will
automatically protect. Compressor will stop and report the fault code protection.
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3
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- Quick Links:
- 6．Control Mode
- Error Codes
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