Commissioning/Start-Up/Shutdown; Prerequisites For Commissioning/Start-Up; Start-Up - KSB MSE Operating Manual

6 Commissioning/Start-up/Shutdown

6 Commissioning/Start-up/Shutdown

6.1 Prerequisites for commissioning/start-up

Before commissioning/starting up the control unit, make sure the following
conditions are met:
▪ The VDE standards and regulations applicable in the country of use are complied
with.
▪ The power cable of the pump has been connected.
▪ The thermal circuit breaker has been connected.
▪ The power cable has been connected correctly (clockwise rotating field for three-
phase motors).
▪ The electric cable of the float switch has been connected.

6.2 Start-up

CAUTION
Switching to manual mode with water level not reaching the start-up level
Damage to the pump!
▷ Only operate the pump in manual mode when the water level is above the
start-up level.
For commissioning/start-up set the switch to automatic.
Exception: When the switch is set to manual the pump can be started up directly.
Select manual mode for emergencies only (e.g. floods, fire-fighting water) or for
checking the direction of rotation.
Table 8: Description of the manual-0-automatic selector switch
Setting Function
Manual The motor is started up manually.
0 The motor is OFF.
Automatic The float switch starts and stops the motor.
ü The operating manual of the pump is on hand and is observed.
ü The float switch has been installed properly.
ü The housing is open.
1. Set the manual-0-automatic-selector switch to 0.
2. Check the setting of the motor protection relay against the rated current of the
motor; adjust the motor protection relay if required.
3. Set the motor protection relay to I .
4. Close the housing.
5. To establish the power supply connect the control unit and set the site-supplied
safety device to ON.
6. If three-phase motors are used, check the direction of rotation.
ð To do so, briefly set the manual-0-automatic selector switch to manual.
7. Set the manual-0-automatic selector switch to automatic.
MSE/MSD
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