Servicing/Maintenance; Checklist For Commissioning/Inspection And Maintenance - KSB LevelControl Basic 2 Installation & Operating Manual

Table 43: Checklist
Read the operating manual.
Compare the power supply data against the name plate data.
Check the earth conductor to ensure that it functions properly (to EN 60 439).
Check the connection of the temperature switches (thermal circuit breaker).
No reversal vis-à-vis pump (note alert and warning)
Check winding resistances.
Check insulation resistances.
Re-tighten the terminals of:
▪ Motor(s)
▪ Control unit
▪ Level sensor
Check the switching mechanism.
▪ Remove the level sensor.
▪ Check for jamming/incrustations.
▪ Clean level sensor if necessary.
Check the switchover time from star to delta. Required = approx. 3 seconds (not applicable to DOL starting)
Check the fuses.
▪ Size
▪ Characteristics
▪ 3-pole, mechanically interlocked (3~ only)
Replace fuses after two years of operation. (cartridges)
Check the settings on the motor protection switch.
Check the direction of rotation of the pump.
Check the pump/motor to ensure that it runs smoothly.
Check the automatic switching functionality.
▪ Manual-0-automatic selector switch
▪ Additional start-up of stand-by pump at peak load (dual-pump station only)
▪ Switchover to stand-by pump if the duty pump fails (dual-pump station only)
▪ Set selector switch back to automatic mode.
Check the tank coding/parameter settings
(see parameter 3-1-2; mini-Compacta/Compacta version only).
Test-run for several start/stop cycles.
Check the alarm device to ensure that it functions properly.
If applicable: reset service alert.
Determine the spare parts requirements, if any.
Provide support and/or training for operating personnel.
Provide new operating manual if necessary.
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9 Servicing/Maintenance

9 Servicing/Maintenance

9.1 Checklist for commissioning/inspection and maintenance

Table 42: Symbols key
Symbol
➀
➁
LevelControl Basic 2
Description
Commissioning/Inspection
Maintenance
➀ ➁
➀ ➁
➀ ➁
➀ ➁
- ➁
- ➁
➀ ➁
➀ ➁
➀ ➁
➀ ➁
➀ ➁
➀ -
➀ ➁
➀ ➁
- ➁
➀ ➁
➀ ➁
➀ ➁
- ➁
- ➁
➀ ➁
➀ ➁