TERMA SKT 1 Mode D'emploi page 62

Anti-freeze mode
In case the device is off (switched off with button ) but remains con-
nected to the mains and the ambient temperature falls below 6°C, the
device will switch itself on to prevent heating agent in a radiator from
freezing. An 'F' letter will blink on the display unit until the anti-freeze
mode finishes, which is when the temperature rises above 6°C.
FIL-PILOTE INTERFACE
Selected versions of SKT-4 are equipped with a FIL PILOTE interface
which enables remote heating control through an external control-
ler which conforms with FIL PILOTE standards. SKT-4 reacts to all
6 commands:
Signal FP Command Reaction of the Controller
Heating in accordance with current
FP-COMFORT
setting
Reduction of setting by 3°C (or 3 levels
FP-ECO
in heat output regulation mode)
No heating, anti-freeze function is active
FP-AF
(AF code shows on the display panel)
Heating mode and anti-freeze functions
are both off (OF code shows on the
FP-STOP
display panel)
Reduction of setting by 1°C (or 1 level in
FP-ECO1
heat output regulation mode)
3 s
300 s
Reduction of setting by 2°C (or 2 levels
FP-ECO2
in heat output regulation mode)
7 s
300 s
62
User Manual — Electric heating elements of the SKT series
TROUBLESHOOTING