Grundfos Multilift MSS, Инструкция по установке и эксплуатации

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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:
Fig. 8 Changing phases of a three-phase controller with
phase inverter
Element Function Description
Selection of
operating
mode
The operating mode is selected by the
ON-OFF-AUTO selector switch which
has three different positions:
POS I:
Starts the pump manually.
POS O:
• Stops the pump manually
• Resets alarm indications.
POS AUTO:
Automatic operation. The pump will
start and stop according to the signal
from the level sensor.
Indication
of power
supply
status
Green indicator light, indicating that
the power supply is on.
Indication
of pump
status
Red and green indicator lights,
indicating pump status:
Green: Pump is running.
Red: Pump fault.
High-level
alarm
Red indicator light, indicating high
water level. The LED lights up if the
level sensor measures a certain level
in the collecting tank during automatic
mode.
Phase-
sequence
fault
Red indicator light, indicating wrong
phase sequence (three-phase pumps).
Change phase sequence by following
the instruction in fig.
8 .
Sensor
failure
alarm
Red indicator light, indicating that the
signal is the out of the measuring
range of around 1000 mm. The pump
has been started and a high-level
alarm is activated.
External
level alarm Red indicator light, indicating an alarm
from an external level switch.
Indication
of time for
service
Yellow indicator light, indicating that it
is time for service. This function can
be switched on and off by the DIP
switch. The factory setting is one year
according to EN 12056-4.
TM
05 3
455
0616