9 Connection
9.3 Insulating the pump
5.
Check the linear, height and angular offset and correct if necessary.
ð
If the screws tighten easily, this is a sure sign that the installation is stress-free.
6.
Tighten the connecting screws crosswise with torque, Table of tightening torques
9.3 Insulating the pump
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Insulation material
WARNING
Hot surface.
Touching of uninsulated hot surfaces results in burns.
► Insulate components and pipings in which hot liquids (> 60 °C) flow before commissioning.
Before commissioning insulate all potentially hot surfaces of the pump and the connected piping
carefully or equip them with suitable contact protection.
9.4 Connecting the pipe station electrically/pneumatically
Personnel qualification:
o
Electrician
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
DANGER
Risk of death resulting from electric shock.
► Ensure that the electrical power supply is de-energized and is secured against being switched
back on.
► Before commissioning ensure correct grounding and equipotential bonding.
► Observe the operating instructions of the electrical components.
1.
Carefully earth the base frames with the screwing.
2.
Connect the pump station electrically and pneumatically in accordance with the following circuit
diagrams.
PNP
Gnd
B
+U 10 - 30V DC
Signal
braun /
brown
schwarz /
black
blau /
blue
Fig. 13: Pin assignment of the limit switch for the
suction-ide two-way valve
Fig. 14: Pin assignment of the pressure switch
28
OID 02en-GB Edition 2019-11
Operating instructions
