English (GB)
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6. Startup
6.1 Preparing the pump for startup
The pump can start automatically when the power
supply is switched on.
•
Make sure the pump has been connected
electrically by a qualified person.
•
Make sure the power supply specified on the
nameplate matches the local conditions.
•
Check that all pipe or hose connections have
been tightened properly and tighten them, if
necessary. See section
6.2 Starting up and deaerating the pump
1. Read section
6.1 Preparing the pump for startup
2. Set the capacity adjusting knob to 0 %.
3. Switch on the power supply.
4. Open the deaeration valve by approximately half
a turn.
5. DDE-AR control variant:
Press the [100%] key and hold it down until liquid
flows out of the deaeration hose continuously
and without any bubbles.
6. DDE-B control variant:
Turn the capacity adjusting knob to 100 % and
wait, until liquid flows out of the deaeration hose
continuously and without any bubbles. Then set
the capacity adjusting knob back to 0 %.
7. Close the deaeration valve.
The pump is deaerated.
CAUTION
Chemical hazard
Minor or moderate personal injury
- Observe the material safety data sheet
of the dosing medium.
- Wear protective clothing (gloves and
goggles) when working on the dosing
head, connections or lines.
- Collect and dispose of all chemicals in a
way that is not harmful to humans,
animals and the environment.
CAUTION
Automatic startup
Minor or moderate personal injury
- Make sure the pump has been correctly
installed and is ready to be started
before you switch on the power supply.
Tighten the dosing head screws with a
torque wrench before startup and every
time the dosing head has been opened.
After 48 operating hours, retighten the
dosing head screws using a torque
wrench. Torque [Nm]: 6 (+ 1).
WARNING
Pressurised dosing medium
Death or serious personal injury
- Do not open the deaeration valve by
more than one full turn.
