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NRR 2-50, NRR 2-51 - USA - Installation & Operating Manual -
850699-00
There is a risk of electric shock during work on electrical systems.
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Always switch off the voltage to the plant before performing connection work.
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Check that the plant is not carrying live voltage before commencing work.
Attempts to repair the equipment will cause the plant to become unsafe.
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The NRR 2-50, NRR 2-51 level controller may only be repaired by the manufacturer,
GESTRA AG.
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Only replace faulty equipment with identical equipment from GESTRA AG.
Basic safety information