DEVIreg™ Opti
Installation Guide20
Frost protection:
Is set by pushing until frost protection icon appears.
Desired temperature for frost protection can be set in
installer menu. Value is between 5-9°C.
If the current room temperature is below the set frost protec-
tion temperature, the heating ON icon
will appear, and
the thermostat will start heating.
Installer menu:
Settings described in next point (Start up wizard) will be
available, uppon accessing this menu.
It's strongly advised: ONLY for the trained installer, to access
this menu, as changes of settings can lead into damage of a
floor surface.
It can be accessed from OFF state (thermostat is turned off),
by holding the timer button
for 10 sec.
The mode button is used for cycling through the
parameters (starting at 1), up & down buttons, for