EU – 280 user’s manual
4
I.
Safety
Please read the following regulations carefully before using the device. Failure to comply with these
instructions may cause injuries and damage to the device. This instruction booklet should be carefully
stored.
To avoid unnecessary errors and accidents, ensure that all people who use this device become
familiar with its operation and safety functions. Please keep these instructions and make sure that they
accompany the device in the case of its transfer or sale, so that any user during the period of its use
will have the appropriate information and instruction on device operation and safety. For safety of life
and property follow precautions consistent with those listed in the operating manual, as the
manufacturer shall not be held liable for damage caused by negligence.
WARNING
Live electrical device. Before any activities related to power supply (connecting wires, device
installation, etc.) you must ensure that the regulator is not connected to the electrical grid.
Installation should be carried out by a person with the appropriate electrical authorizations.
You must measure the resistance of electrical motors earthing and resistance of electrical wires
insulation before activating the controller.
The regulator is not intended for operation by children.
NOTE
Atmospheric discharges may damage the controller, therefore during storms it is necessary to
disconnect the device from the electrical grid by pulling out the power plug.
The controller must be used in accordance with its intended purpose.
Please check the technical condition of wires before and throughout the heating season. Fas-
tening of the controller should be also checked, and any dust and dirt should be cleaned.