3. Select the heating shut-down pressing the key. Confirm by press
ing the
key. The screen displays: OFF.
Note
If you press the key, the appliance starts up again (display:
ON).
The frost protection function continues to run.
The heating has been shut down.
4. Go back to the main display by pressing the
h
key.
Note
The display disappears after a few seconds' inactivity.
5.3.2 Shutting down the cooling function
Note
The cooling function can be managed via the PROG COOL sub-
menu dedicated to timer programming.
Note
If the heating function is shut off, then the cooling will also be shut
off.
5.4 Frost Protection
If the temperature of the heating water in the heat pump falls too much,
the integrated protection device switches itself on. This device functions as
follows:
If the water temperature is lower than 5°C, the circulating pump starts
up.
If the water temperature is lower than 3°C, the back-up starts up.
If the water temperature is higher than 10°C, the back-up shuts down
and the circulating pump continues to run for a short time.
The radiator valves in rooms where there is a risk of frost must be fully
open.
Fig.34 Switching off the heating
MW-5000134-2
5 Operation
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