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Protective functions
6. - Protective functions
If the anti-seizing protection is activated, the controller switches the heat pump and the
mixer on consecutively at 12:00 pm for 5 seconds to prevent seizing of the pump/valve
after long periods of inactivation.
Settings range: on, off/ Default: on
6.1. - Anti-seizing
Frost protection function can be activated for the heat circuit. If the outdoor tempera-
ture at sensor S1 drops below 1 °C and the heat circuit is switched off, the controller
switches the heat circuit back on with the reference temperature set in menu 7.3 (min.
fl
ow temperature). As soon as the outdoor temperature exceeds 1°C the heat circuit is
switched off again.
Frost protection - settings range: on, off / Default: on
6.2. - Frost protection
Caution
Switching the frost protection function off or setting the minimum
fl
ow
temperature too low can lead to severe damage of the system.
The menu is closed by pressing “esc” or
selecting “Exit settings”.
Menu “6. Protective functions” can be
used by specialists to activate and set
various protective functions.
Caution
This does not under any
circumstances replace the
safety facilities to be pro-
vided by the customer!