EMERGENCY MODE
When S1255PC is put into emergency mode, the system
works as follows:
• S1255PC prioritises heating production.
• Hot water is produced if possible.
• The load monitor is not connected.
• The immersion heater is stepped according to the
setting in menu 7.1.8.2 - Emergency mode.
• Fixed supply temperature if the system has no value
from the outdoor sensor (BT1).
You can activate the emergency mode both when
S1255PC is running and when it is switched off.
When the emergency mode is active, the status lamp
turns yellow.
To activate when S1255PC is running: press and hold
the on/off button (SF1) for 2 seconds and select "emer-
gency mode" from the shutdown menu.
To activate when S1255PC is switched off: press and
hold the on/off button (SF1) for 5 seconds. (Deactivate
the emergency mode by pressing once.)
25Chapter 5 | Electrical connectionsNIBE S1255PC