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NRG 16-51, NRG 17-51, NRG 19-51 - USA - Installation & Operating Manual -
850692-00
Danger to life from scalding! Do not remove the level electrode under pressure.
Steam or hot water can spurt forcefully out of the equipment.
■
Only remove the level electrode at
0 psi (0 bar) boiler pressure
.
Risk of severe burns! Do not perform work on a level electrode that is still hot.
The level electrode gets very hot during operation.
■
Allow the level electrode to cool.
■
Always wait for the level electrode to cool before performing any installation and
maintenance work.
There is a risk of electric shock during work on electrical systems.
■
Always switch off the voltage to the plant before performing connection work.
■
Check that the plant is not carrying live voltage before commencing work.
Danger to life! Hot steam or hot water can suddenly escape from a faulty
NRG 1...-51 level electrode.
Shocks and impacts during transport or installation can result in damage to or leaks in
the level electrode, causing pressurized hot steam or hot water to escape through the
pressure relief hole.
■
To prevent damage during transport and installation, do not expose the electrode
rod to major shocks or impacts.
■
Before and after installation, check that the level electrode is completely undamaged.
■
Check that the level electrode is not leaking when bringing into service.
Attempts to repair the equipment will cause the plant to become unsafe.
■
The NRG 1...-51 level electrode may only be repaired by the manufacturer,
GESTRA AG.
■
Only replace faulty equipment with identical equipment from GESTRA AG.
Basic safety information