Midea ESG-Inv M Series - Pb Anti-Freeze Mode

ESG-Inv M
60
Midea ESG-Inv M Series Pool Heat Pump Manual
5.25 Pb Troubleshooting
Digital display output
Protection logic
Pb: Anti-freeze mode
Anti-freeze is used to protect the water system from cracking during winter. It is normal protection operation and heat pump
will return to the normal operation automatically.
Heating mode
Cooling mode
Normal operation
Ambient temperature < 3°C,
inlet water temperature < 5°C
Or
Ambient temperature < 3°C,
leaving water temperature < 5°C
Or
Leaving water temperature < 2°C
Ambient temperature > 3°C,
inlet water temperature > 5°C
Or
Ambient temperature > 3°C,
leaving water temperature > 5°C
Or
Leaving water temperature > 2°C
Error code Pd
Normal operation
Inlet water temperature < 4°C
Or
Leaving water temperature < 4°C
Inlet water temperature > 4°C
Or
Leaving water temperature > 4°C
Error code Pd
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