Operation Manual
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14. Intended use
The energy-saving controller has been designed for the
purpose of controlling a standard heating appliance valve.
The device may only be operated indoors and must be
protected from the effects of damp and dust, as well as
solar radiation and sources of radiant heat.
Using the device for a purpose or in a manner other than
that described in this operating manual constitutes a
breach of the “intended use” and shall invalidate the war-
ranty and any liability claims. The same shall apply in the
event of any conversion or modication work. The devices
are intended exclusively for domestic use.
15. Troubleshooting and maintenance
Error code on
display
ProblemRemedy
Battery symbol
( )
Battery power
too low
Replace batteries
F1
Valve actuator
sluggish
Check installation,
inspect heating
valve
F2
Adjusting range
too large
Check
actuator
fastening
F3
Adjusting range
too small
Check heating
valve
At 12:00 every Saturday, the actuator performs a
weekly descaling function to prevent valve calcica-
tion. “CAL” will appear on the display.
16. Instructions for disposal
Do not dispose of the device with regular
domestic waste.
Electronic equipment must be disposed of at lo-
cal collection points for waste electronic equip-
ment in compliance with local directives governing waste
electrical and electronic equipment.
The CE sign is a free trade sign addressed ex-
clusively to the authorities and does not warrant
any properties.
17. Safety instructions
The devices concerned are not intended for children and
must not be used as toys. Do not leave packaging material
lying around, as children might be tempted to play with it,
which is extremely dangerous. Do not open the device: it
does not contain any components that need to be serv-
iced by the user. In the event of an error, please return the
device to our service department.