KRAL KV - 9.4 Connecting the pump unit to the power supply

9 Connection
9.3 Insulating the pump
2. Before carrying out welding work mount a protective cover on the suction connection and pres-
sure connection.
3. Place the piping in position and support the weight of the piping.
4. 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.
5. Tighten the connecting screws crosswise with torque, Table of tightening torques Ä Ap-
pendix,Page58.
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
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump station.
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 pump unit to the power supply
Personnel qualification: o Electrician
Aids: o Operating instructions of the motor
o Motor circuit diagram
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.
DANGER
Magnetic field.
Risk of death for persons with cardiac pacemaker, metallic implant or neurostimulator.
► Under no circumstances may persons with cardiac pacemakers, metallic implant or
neurostimulator perform work on the pump/pump unit.
Operating instructions
OIK 09en-GB Edition 2019-11
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