MAITEC ARMATUREN 7008470M, User And Service Manual, Page: 56 / 89

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5. Display Controller Operation
5.1 Guide for operation
5.2 The keys and their operations
5.2.1 button
Press to start the heat pump unit.
Press to stop the heat pump unit.
5.2.2 and button (Screen will be locked when 30 seconds without operation)
Water temperature setting:
Press or to set the water temperature directly.
Press and at the same time to check water in temperature, water out temperature and set
temperature.
* Long press and for 5 seconds at the same time to unlock the screen.
5.2.3 button
Press to change the working mode, Powerful, silent and smart. The default mode is smart mode.