User Interface - Grundfos Medium UPM Series Data Booklet

6

User interface

Externally controlled versions
Externally PWM controlled Medium UPM pumps have
no user interface. LIN versions have a red and green
LED for indication of fault and communication.
AUTO versions
Internally controlled Medium UPM AUTO pumps have
a user interface with one button and three LEDs.
Fig. 19 UPM AUTO user interface
The user interface allows to select between 8 control
curves in two control modes:
• 3 proportional pressure curves (PP) plus
AUTO PP
ADAPT
• 3 constant pressure/power curves (CP) plus
AUTO CP
ADAPT
PP1
CPAA
Fig. 20 Manual curve setting
PP =
Fig. 21 Serial curve setting
18
PP2 PP3 PPAA
CP3 CP2 CP1
Hold 2 sec.
1 click
PP
1 click
CP
CP =
The first time, the pump starts with the factory
presetting: Proportional pressure curve, PP2.
• Push the button for 2 seconds:
– the pump goes to setting mode - LED starts
flashing.
• With each push, the setting changes:
– LEDs 1-2-3 are permanently on, the control curve
and mode are changed.
• Flashing mode:
– Fast: Proportional pressure
– Slow: Constant pressure/power
• If the button is not pushed for ten seconds:
– the setting is adapted.
– the pump returns into operating mode
During operation, the display shows the selected
setting.
• LED 1 or 2 or 3 is permanently on.
– Pump is running with the selected curve and
mode.
Medium UPM