Instructions

Display indications
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Display indicator Switching condition Function / actions
Pump running. Total volume of water conveyed:press MODE
button. Displays the volume of water already con-
veyed. Rest not possible.
Running text TOTAL VOLUME
Pump running. 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
Pump running or switched
off.
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
Pump running or switched
off.
Press the SET button. ECO PRESSURE appears
in the display. The energy-saving mode is swit-
ched on.
Pump running or switched
off.
Push the MODE button several times until NOR-
MAL- MODE appears in the display (29).
Pump running or switched
off.
Push the SET button until NORMAL X and
PRESSURE appear in the display (29). Switch-
off pressure is increased again.
Warning messages
Display indicator Cause Actions
Boiler pressure too low. Wa-
ter level too low
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
Air topped up to above 1.8
bar.
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