Information display of operation
56 Air-to-Water Heat Pump
Disruptions in operation, alarms and troubleshooting
After instalment and successful commissioning the device is ready for regular operation.
The operation of the device is protected by multiple protection mechanisms:
- High pressure switch: in case operating pressure is too high.
- Low pressure switch: in case of too-low operating pressure.
- Flow switch: for protection flow loss.
- Temperature sensors: for protection the temperature of the return, supply pipe, compressor and
evaporator.
- Safety thermostat: for protection the built-in electric heater.
- Phase controller and under- and over-voltage protection: for protection the correct sequence of
electric phases and appropriate electric voltage.
In case of disruptions in the operation first check whether the display displays an error message.
Find the description of the malfunction in the table below and try to resolve it in accordance with the
instructions in chapter (Troubleshooting) In case you cannot resolve the malfunction alone or you are
prohibited from doing so, act in accordance with the instructions 1., 2., and 3., to resolve the malfunc-
tion listed in the warranty. Contact the installer who installed your device to resolve the malfunction.
In case the malfunction cannot be resolved, he will contact the customer service of the manufacturer
who will resolve the malfunction.
NOTE
In case of a malfunction the display displays a red alarm light (ALARM).
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