Instructions

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EN
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The use of defective devices and improper use can lead
to property damage.
◆ Never use defective or damaged devices.
◆ Check the DuoFern Radiator Actuator for damage.
◆ Consult our customer service department in the event
that you discover damage, see page 28.
◆ Train all persons to use the DuoFern Radiator Actuator
safely.
◆ Children must not play with the device.
7. Safety instructions
7.1 Intended use
Only use the DuoFern Radiator Actuator for controlling a
heating valve.
Operating conditions
◆ Only use the DuoFern Radiator Actuator in dry rooms.
◆ The installation and operation of radio systems is only
permitted for systems and devices where a malfunction
in the transmitter or receiver would not cause a danger to
persons or property or where this risk is already covered
by other safety equipment.
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Radio systems that transmit on the same fre-
quency can cause interference.