3. Starting up the product
3.1 Preparing the pump for startup
•
Observe section Safety instructions and requirements for startup.
•
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.
•
Check that the dosing head screws have been tightened with the specified torque and tight-
en them, if necessary.
•
Check that the vent plug on the pump housing is open.
•
For pumps with integral relief valve: Check that the overflow line is connected properly to the
integral relief valve.
•
For pumps with diaphragm leakage sensor: Check that the diaphragm leakage sensor is
functioning correctly.
Related information
• 3.2 Safety instructions and requirements for startup
• 3.3 Starting up the pump
• 11.1.4 Checking the diaphragm leakage sensor
3.2 Safety instructions and requirements for startup
WARNING
Chemical hazard
Death or serious personal injury
● Observe the material safety data sheet of the dosing medium.
● Wear protective clothing when working on the dosing head, connections or
lines.
● Collect and dispose of all chemicals in a way that is not harmful to persons or
the environment.
● Make sure the pump has been correctly installed and is ready to be started
before you switch on the power supply.
WARNING
Chemical hazard
Death or serious personal injury
● Tighten the dosing head screws after initial startup and every time the dosing
head has been opened. After 6-10 operating hours or two days, retighten the
dosing head screws using a torque wrench.
•
The vent plug must be open while the pump is running.
•
Only adjust the stroke length while the pump is running.
DMX 221 | |
15
