18 | Operation
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4.2 Switching the appliance on/off
Switching on
B Switch appliance on at the main switch.
The display shows the heating water flow temperature.
Fig. 7
Switching off the appliance
B Switch appliance off at the main switch.
The display goes out.
B If the appliance is to be switched off for a longer period of time:
observe correct frost protection procedures (Æ Section 4.8).
If the display shows alternately with the flow
temperature, the appliance will operate with the
lowest output for 15 minutes.
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