Fairland ECOFER IPHC150T - 2 Operations; Notice before Using

Installation and user manual
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9. Please note that following codes are not failure.
CODES
No water flow
Anti-Freezing Reminder
Out of the operating range
Insufficient water flow or pump blocked
Power abnormal
2. OPERATIONS
2.1. Notice before using
2.1.1. For longer service life, please ensure water pump is on before heat pump starts to work, and water
pump is off after heat pump is off.
2.1.2. Ensure no water leakage on piping system, then unlock screen and press to power on heat
pump.