TECH ST-2640, User Manual, Page: 3 / 20

EU-2640 user’s manual
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I. Safety
Before using the device for the first time the user should read the following regulations carefully.
Not obeying the rules included in this manual may lead to personal injuries or controller damage.
The user’s manual should be stored in a safe place for further reference. In order to avoid
accidents and errors it should be ensured that every person using the device has familiarized
themselves with the principle of operation as well as security functions of the controller. If the
device is to be sold or put in a different place, make sure that the user’s manual is there with the
device so that any potential user has access to essential information about the device.
The manufacturer does not accept responsibility for any injuries or damage resulting from
negligence; therefore, users are obliged to take the necessary safety measures listed in this
manual to protect their lives and property.
WARNING
 High voltage! Make sure the regulator is disconnected from the mains before performing
any activities involving the power supply (plugging cables, installing the device etc.)

The device should be installed by a qualified electrician
.
 Before starting the controller, the user shoud measure earthing resistance of the electric
motors as well as the insulation resistance of the cables.
 The regulator should not be operated by children.
WARNING
 The device may be damaged if struck by a lightning. Make sure the plug is
disconnected from the power supply during storm.
 Any use other than specified by the manufacturer is forbidden.
 Before and during the heating season, the controller should be checked for condition of its
cables. The user should also check if the controller is properly mounted and clean it if dusty
or dirty.
We are committed to protecting the environment. Manufacturing
electronic devices imposes an obligation of providing for
environmentally safe disposal of used electronic components and
devices. Hence, we have been entered into a register kept by the
Inspection For Environmental Protection. The crossed-out bin symbol
on a product means that the product may not be disposed of to
household waste containers. Recycling of wastes helps to protect the
environment. The user is obliged to transfer their used equipment to a
collection point where all electric and electronic components will be
recycled.