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17
Maintenance
17.1
General
WARNING!
Danger from hazardous substances!
Possible consequence: Fatal or very serious inju‐
ries.
Please ensure when handling hazardous sub‐
stances that you have read the latest safety data
sheets provided by the manufacture of the haz‐
ardous substance. The actions required are
described in the safety data sheet. Check the
safety data sheet regularly and replace, if neces‐
sary, as the hazard potential of a substance can be
re-evaluated at any time based on new findings.
The system operator is responsible for ensuring
that these safety data sheets are available and that
they are kept up to date, as well as for producing
an associated hazard assessment for the worksta‐
tions affected.
WARNING!
Live parts
Possible consequence: Fatal or very serious inju‐
ries.
Measures:
–
Disconnect the system from the power supply
before opening the housing of a component.
–
Immediately switch off the system and arrange
for its repair if the housing of the pump, con‐
troller, terminal box or other component etc. is
broken, ruptured or obviously damaged.
–
Only carry out set-up / maintenance / repair
and service work when the system is shut
down and the electrical power disconnected.
Calibration and maintenance work on the sen‐
sors represents an exception to this. This work
can be carried out while the system is live.
Please also observe the information in the
operating instructions for the sensors and con‐
trollers.
–
Check that the seals are sitting correctly after
closing the housing of the pump, controller or
terminal box
We always recommend using appropriate residual
current circuit breakers (RCCB) or other residual
current devices (RCD) provided they can be
installed sensibly and professionally within the
electrical installation. Please adhere to all national
standards and regulations.
CAUTION!
–
Please also observe the operating instructions
for fittings and any other units, such as sen‐
sors, sample water pumps ... !
–
Maintenance
119
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