ProMinent DULCO flex Control-DFYa Operating Instructions Manual page 11

Safety information
WARNING!
Warning about personal and material damage
The pump can start to pump, as soon as it is connected
to the mains voltage.
– Install an emergency cut-off switch in the pump
power supply line or integrate the pump in the emer‐
gency cut-off management of the system.
WARNING!
Warning of personal injury and material damage
The pump can start pumping as soon as it has cooled
'temperature' .
down after the error
– Take this into account with the pump and your
installation.
CAUTION!
Running on after stop
The pump continues to run on a little.
In the worst case, this could last for around 30 s at low
speed.
– Pay attention to this running on time – an hourglass
symbol appears in the display.
– If you wish, you can temporarily ramp up the speed
– to shorten this time.
CAUTION!
Serious damage to the pump or environment is possible
Valves, lines etc... can be damaged or irreparably
destroyed and feed chemical can escape. Pressure of
over +10 bar can now be applied instead of -1 bar.
Before changing the dosing direction, it needs to be
clear that this does not damage or irreparably destroy
parts of the downstream system.
WARNING!
Danger of electric shock
A mains voltage may exist inside the pump housing.
– If the pump housing has been damaged, you must
disconnect it from the mains immediately. It may
only be returned to service after an authorised
repair.
WARNING!
Warning of hazardous feed chemical
Should a dangerous feed chemical be used: it may
escape from the hydraulic components when working on
the pump, material failure or incorrect handling of the
pump.
– Take appropriate protective measures before
working on the pump (e.g. safety glasses, safety
gloves, ...). Adhere to the material safety data sheet
for the feed chemical.
– Drain and flush the liquid end before working on the
pump.
Safety chapter
11