User Manual Q&AAnswer
Mar 13, 2025 - 03:52 AM
To set the maximum on-time for the Harvia C90 sauna heater control unit, follow these steps:
1. Start by switching off the power from the main switch (position 0).
2. Press and hold the pre-setting time button.
3. Switch on the power from the main switch (position 1) while still holding the pre-setting time button.
4. Continue holding the pre-setting time button until signal light 6 is lit (approximately 5 seconds).
5. Turn the temperature adjuster to change the values.
6. Press the pre-setting time button to access the next setting.
7. Change the maximum on-time by selecting a value between 1 and 12 hours. Note that for family saunas, the maximum on-time is 6 hours, while for communal saunas, the maximum on-time is 12 hours.
8. Press the pre-setting time button to exit the settings menu.
Please refer to the Harvia C90 Sauna Heater Control Unit Instruction Manual for more detailed instructions and illustrations.
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