ProMinent Hydro 3 Series, Руководство по эксплуатации, Страница: 38 / 96

Only in the area at risk from explosion: Set the opening pressure of the
relief valve at a maximum of no more than 1.5 times the rated pump pres‐
sure .
Check the heating action of the heating cartridge and effectiveness of the
protective temperature limiter. No overheating must occur, especially in
the area at risk from explosion!
1. Switch on the heating cartridge, set the stroke length of the pump to
"0" and start the pump.
2. Allow the pump to warm up for 5 minutes.
3. Set the stroke length of the pump to the required value.
Check whether the earthing lines in the pump's electrical units are cor‐
rectly connected and connected to a clean earth wire - see earthing dia‐
grams in the appendix.
Check whether the potential equalisation lines are sitting correctly on the
pump and connected to a clean potential equalisation point.
8.1 Bleeding the liquid end
When bleeding the liquid end or suction against pressure:
Relieve the suction and discharge line from pressure!
With dangerous or unknown feed chemicals, take suitable protective
measures according to the safety data sheet!
1.
Loosen the discharge line.
2. Install a piece of translucent hose.
3. Run the pump slowly until the feed chemical appears in the piece of
hose.
4. Remove the piece of hose.
5. Mount the discharge line.
adjust the relief valve
Only with a heating cartridge: check the
action of the heating cartridge
Only at low temperatures: allow the pump
to warm up
Earthing wires
Potential equalisation lines (mandatory
with ATEX)
Start up and operation
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