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2
Safety
2.1
General safety instructions
The instructions for the system, and system parts as well as the maintenance and handover records must be kept available
at the system.
The accident prevention regulations, the applicable standards, directives and guidelines as well as the regulations of the
local energy and utility companies must be observed during the installation, operation, maintenance and repair of the sys-
tem.
WARNING
Live parts!
Heed the following points when working on electrical cables and connections:
The national safety regulations apply for all electrical work on the system.
The system must be supplied through a residual current protection device (RCD) with residual current of not
more than 30 mA.
CAUTION
Note the structural calculations for traffic safety. Chamber installation for load class D requires a load distribution
plate made of reinforced concrete.
Determine the required load class and structural calculations in accordance with the environment / use condi-
tions.
Request an appropriate reinforcement drawing from the KESSEL hotline.
NOTICE
Disconnect system from energy sources!
Ensure that the electrical equipment is disconnected from the power supply during the work.
Secure the electrical equipment against being switched on again.
Prescribed personal protective equipment!
Always use/wear protective equipment when installing or carrying out maintenance work on the system.
Protective clothing
Protective gloves
Safety footwear
Face protection
DANGER
If the system is installed in a chamber, accident prevention measures must be taken (testing the air to make sure it
is safe or mechanical ventilation of the chamber, safety harnesses and lookout personal, as well as tripod, etc.).
WARNING
Protect against unauthorised use!
Pumps can start up unexpectedly.
Mount the control unit in a lockable outdoor cabinet or in an area not accessible to the public.
It must be ensured that all other electrical system components, includes the cables, are in a faultless condition. In case of
damage, the system may on no account be put into operation or must be stopped immediately.
WARNING
Danger due to overvoltage!
Operate the system only in buildings in which an overvoltage protection system (e.g. surge arrestor, type 2 per
VDE regulations) is installed. Interference voltage can seriously damage electrical components and lead to sys-
tem failure.
CAUTION
Hot surfaces!
The drive motor can develop a high temperature during operation.
Wear protective gloves.
WARNING
Transport risk / system's own weight!
Check the weight of the system / system components (see "Technical data", page 29).
Pay attention to correct lifting and ergonomic factors.
Standing under overhead loads is prohibited.
The cover plate may only be transported tightly lashed down on the pallet.
010-694
Backwater lifting station / Installation and operating instructions
25 / 136
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