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8
Installation, hydraulic
Safety information
User qualification: Technical personnel and service - see
of personnel' on page 14
CAUTION!
Warning of feed chemical spraying around
An unsuitable feed chemical can damage the parts of
the pump that come into contact with the chemical.
–
Take into account the resistance of the wetted mate‐
rials and the ProMinent Resistance List when
selecting the feed chemical - see the ProMinent
Product Catalogue or visit ProMinent.
CAUTION!
Warning of feed chemical spraying around
An unsuitable feed chemical may cause premature wear
to the pump hose.
–
Pay attention to the resistance of the pump hose
and the "Chemical Resistance List DFXa and DFYa"
available at www.prominent.com when selecting the
feed chemical.
CAUTION!
Warning of feed chemical spraying around
There can be a discharge-side leak if the pump is
working against a blockage in the discharge line or a
shut-off valve.
–
Install a relief valve, among other things, down‐
stream of the pump.
CAUTION!
Warning of feed chemical spraying around
Pumps which are not fully installed hydraulically can
pump feed chemical from the pressure nozzle of the
liquid end as soon as they are connected to the mains
power supply.
–
First install the pump hydraulically, then electrically.
–
In the event that you have failed to do so, press the
[STOP/START] button or press the Emergency Stop
switch.
CAUTION!
Warning of feed chemical spraying around
Feed chemical may spray out of the hydraulic compo‐
nents if they are tampered with or opened due to pres‐
sure in the liquid end and adjacent parts of the system.
–
Disconnect the pump from the mains power supply
and ensure that it cannot be switched on again by
unauthorised persons.
–
Ensure that the system is at atmospheric pressure
before commencing any work on hydraulic parts of
the system.
Installation, hydraulic
Ä 'Qualification
33
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