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Safety and responsibility
12
WARNING!
Unexpected start-up
Possible consequence: Fatal or very serious inju‐
ries.
–
Unexpected start-up of the DULCOTROL
measuring/control station after failure or mal‐
function of the control/power supply or as a
deliberate action due to a control process.
–
Danger due to unexpected actions of the sys‐
tems.
–
Disconnect the DULCOTROL
control station from the power supply in the
event of malfunction/failure of the control or
power supply.
–
When the system is switched on after an inter‐
ruption to the power supply and/or after a long
period of operation without feed chemical,
make allowance for the run in periods of the
sensor. Limit the maximum capacity of the
metering pump so that no dangerous over‐
dosing can occur during the run in period.
WARNING!
Operating error / Unauthorised access
Possible consequence: Fatal or very serious inju‐
ries.
–
Measure: Ensure that there can be no unau‐
thorised access to the unit.
–
Ensure that the unit is only operated by ade‐
quately qualified and technically expert per‐
sonnel.
–
Please also observe the operating instructions
for controllers and fittings and any other units,
such as sensors, sample water pumps ...
–
The operator is responsible for ensuring that
personnel are qualified.
WARNING!
Lightning strike on outdoor installations
Danger due to overvoltage resulting from a lighting
strike on outdoor installations, which are con‐
nected to the DULCOTROL
station.
Measures:
–
Do not use the DULCOTROL
control station directly or indirectly outdoors.
–
Ensure there is sufficient earthing potential
when installing electrical components.
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measuring/
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measuring/control
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measuring/
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