Installation - Tech Controllers EU-53.3 User Manual

IV. INSTALLATION
The controller should be installed by a qualified person.
WARNING
Risk of fatal electric shock from touching live connections. Before working on the regulator, switch off the power supply
and prevent it from being switched on again.
WARNING
Incorrect connection of cables may lead to regulator damage!
The rear part of the controller contains couplings to which the sensors as well as devices operated by the controller should be
connected.
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