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6. Setting the product
6.1 Further settings
If you wish to change some settings, see the
installation and operating instructions for the level
controller.
6.2 Start level
It is important to adjust the start level of the level
controller according to the inlet pipe.
Start level for MULTILIFT M, MD, MOG, MDG:
between 0.17 and 0.30 m.
Start level for MULTILIFT MLD: between 0.20 and
0.50 m.
6.3 Factory settings
The level controller is preset from factory. The current
settings must be adjusted according to the nameplate
data of the SE or SL pump.
See the table below for the preset values.
LC 231, LC 241
settings
Sensor type
Functions
Unit
Electrical signal
Dry-running
level
Signal detection
time
Stop delay
Stop delay time
Min. value
Max. value
Stop level
Start level P1
The start level for P2 must be 0.05
Start level P2
m higher than the start
The high level must be 0.05 m
High level
higher than the start level for P2.
*
The start levels for P1 must be 0.01 m lower than the centre
of the inlet pipe to avoid backflow.
MD1, MDV
Analog input
Level
m
0.5 - 3.5 V
Disabled
1 s
Enabled
8 s
0.28 m
1.30 m
0.31 m
0.47 m
level for P1.
7. Servicing the product
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you
start any work on the product. Make
sure that the power supply cannot be
switched on accidentally.
‐
Lock the main switch in off position, or
unplug the power plug. Type and
requirements are specified in EN
60204-1, 5.3.
WARNING
Biological hazard
Death or serious personal injury
‐
Before carrying out maintenance and
service on lifting stations used for
pumping liquids that might be
hazardous to health, do as follows:
‐
Flush the lifting station thoroughly with
clean water and drain the outlet pipes.
‐
Close the isolating valves.
‐
Rinse the dismantled parts in water.
‐
Wear personal protective equipment.
‐
The work must be carried out in
accordance with local regulations.
WARNING
Biological hazard
Death or serious personal injury
‐
In existing installations, install an
isolating valve before the tank inlet if
necessary.
‐
If no isolating valve is installed, wear
protective clothing.
CAUTION
Hot surface
Minor or moderate personal injury
‐
Wear protective gloves.
CAUTION
Back injury
Minor or moderate personal injury
‐
Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when moving the
product.
17
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