Display indications
Display indicator
NORMAL X
Flow rate
98 m3
NORMAL X
Part volume
98 m3
eco X
Mode
3.0 BAR
eco X
Pressure
3.0 BAR
NORMAL X
Mode
0.0 m3/H
NORMAL X
Pressure
3.0 BAR
Warning messages
Display indicator
ALARM
Top up
1.2 BAR
ALARM
Air pressure
1.5 BAR
NORMAL X
Drain
1.5 BAR
467 777_a
Switching condition
Pump running.
Pump running.
Pump running or switched
off.
Pump running or switched
off.
Pump running or switched
off.
Pump running or switched
off.
Cause
Boiler pressure too low. Wa-
ter level too low
Air topped up to above 1.8
bar.
Function / actions
Total volume of water conveyed:press MODE
button. Displays the volume of water already con-
veyed. Rest not possible.
Running text TOTAL VOLUME
Part volume: Push the MODE button. Displays
the part volume of water already conveyed. Re-
set push the SET button for approx. 3 seconds.
Running text PART VOLUME
Push the MODE button several times until ECO
MODE appears in the display. Now the pump
switches off earlier (energy-saving mode). See
"Commissioning" on Page 7
Press the SET button. ECO PRESSURE appears
in the display. The energy-saving mode is swit-
ched on.
Push the MODE button several times until NOR-
MAL- MODE appears in the display (29).
Push the SET button until NORMAL X and
PRESSURE appear in the display (29). Switch-
off pressure is increased again.
Actions
Running text PART VOLUMErequest for top-up
with air to 1.5 bar. Confirm with the SET button.
Pump starts again.
Running text AIR PRESSURE OK
Let air off to 1.5 bar. Once the pressure has been
let off down to 1.5 bar, start the pump again by
pushing the SET button.
Running text LET OFF TO 1.5 BAR
21