7 | Operation start-up Kracht GmbH
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7 Operation start-up
7.1 Safety instructions for start-up
DANGER
Hazardous fluids
Danger to life when handling hazardous fluids.
a) Comply with the safety data sheets and regulations on handling the hazardous fluids.
b) Collect and dispose of hazardous fluids so that no hazard is created for persons or the
environment.
CAUTION
Hot surfaces
Burns of the skin on contact.
a) Wear protective gloves at temperatures ≥ 48°C.
7.2 Preparation
a) Before starting the product, make sure that a sufficient quantity of the service fluid is ex-
tant to avoid dry running. This must be taken into account especially with large line
volumes.
b) Check all fastening screws on the product.
c) Fill the unit with media.
7.3 PIN assignment
Circular plug connector M12x1/-4pole
A U
B
B Channel 1
C 0 Volt
D Channel 2
7.4 Signal lines
The signal lines Channel 1 and Channel 2 must be set to 100 Ω impedance with a suitable
terminating resistor.
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