Grundfos Multilift MSS Instrucciones De Instalación Y Funcionamiento página 10

5.2.2 Control elements and indicator lights
The table below gives a description of the function of the various
control elements and indicator lights:
Element Function
The operating mode is selected by the
ON-OFF-AUTO selector switch which
has three different positions:
POS I:
Starts the pump manually.
Selection of
POS O:
operating
• Stops the pump manually
mode
• Resets alarm indications.
POS AUTO:
Automatic operation. The pump will
start and stop according to the signal
from the level sensor.
Indication
of power Green indicator light, indicating that
supply the power supply is on.
status
Red and green indicator lights,
Indication
indicating pump status:
of pump
Green: Pump is running.
status
Red: Pump fault.
Red indicator light, indicating high
water level. The LED lights up if the
High-level
level sensor measures a certain level
alarm
in the collecting tank during automatic
mode.
Red indicator light, indicating wrong
Phase-
phase sequence (three-phase pumps).
sequence
Change phase sequence by following
fault
the instruction in fig. 8.
Red indicator light, indicating that the
Sensor signal is the out of the measuring
failure range of around 1000 mm. The pump
alarm has been started and a high-level
alarm is activated.
External Red indicator light, indicating an alarm
level alarm from an external level switch.
Yellow indicator light, indicating that it
Indication is time for service. This function can
of time for be switched on and off by the DIP
service switch. The factory setting is one year
according to EN 12056-4.
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Description
Fig. 8 Changing phases of a three-phase controller with
phase inverter