Samson 5312-2, Mounting And Operating Instructions

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1-4 EB 5207 EN
Safety instructions and measures
1.1 Notes on possible severe personal injury
DANGER !
Risk of fatal injury due to electric shock.
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Before connecting wiring, performing any work on the device or opening the de-
vice, disconnect the supply voltage and protect it against unintentional reconnec-
tion.
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Only use power interruption devices that can be protected against unintentional re-
connection of the power supply.
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Do not remove any covers to perform adjustment work on live parts.
The frost protection thermostat is protected to prevent solid particles larger than 1 mm
from entering. However, it is not protected against moisture (IP 40).
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equipment. Improper opening can lead to valve com-
ponents bursting.
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Before starting any work on the control valve, depressurize all plant sections affect -
ed as well as the valve.
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Drain the process medium from all the plant sections affected and from the valve.
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Wear recommended personal protective equipment. See associated valve docu-
mentation.