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Start up and operation
8
Start up and operation
Safety information
48
WARNING!
ATEX pumps in areas at risk from explosion
–
Make sure that a suitably competent person checks
whether the appropriate installation information from
the "Installation " chapter has been implemented
correctly.
–
Make sure that a "recognised competent person"
checks the electrical installation and in particular the
intrinsically safe power circuits.
–
Set the opening pressure of the relief valve at a
maximum of no more than 1.5 times the rated pres‐
sure of the pump.
WARNING!
Fire hazard with flammable media
Only with flammable media: They can be ignited by
oxygen.
–
The pump may not work if there is a mixture of feed
chemical with oxygen in the liquid end. A specialist
may need to take appropriate actions (using inert
gas, ...).
WARNING!
Hot surface
In event the power end motor is loaded excessively, its
surface may become very hot.
–
Avoid contact.
–
If necessary, mount a guard plate.
WARNING!
Risk of burns with hot feed chemicals
If hot feed chemicals can heat the liquid ends above the
permissible surface temperatures, persons can suffer
burns from them.
–
Consider attaching a "Hot surface" label to the liquid
end or ...
–
fitting a guard plate.
WARNING!
Adjusted pressure switches fail
–
The switching point of the 42 V pressure switch
must not be changed.
–
The ATEX pressure switch must not be reprog‐
rammed.
It could result in overheating of the pump.
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