Karcher Installation de potabilisation d’eau WPC 2500 SW - Manual (Page 16)

16 English
1 Display
2 ADVANCE key
During operations, the current time is
shown in the display.
Î Press ADVANCE key for 5 to 6 sec-
onds. The display will show the first sta-
tus display from the list shown beloe.
Î To go to the next display, press once
again the ADVANCE key briefly.
If you do not press the ADVACE key for
some time, the display goes back to show-
ing the time.
The dosing pump must be ventilated if the
pump has sucked in air.
1 Dosing frequency button
2 Screw connections
3 Dosing pump
Î Stopping the WPC 2500 SW-AM: Dos-
ing pump switches off.
Î Fix cause for air suctioning, contact cus-
tomer service if necessary.
Î Loosen screws on the dosing pump.
Î Read and note the dosing frequency
that has been set at the LEDs of the
dosing pump.
Î Set the dosing frequency to 100% by re-
peatedly pressing the dosing frequency
button and waiting until there are no
more bubbles in the suction pipe (ap-
prox. 1 minute). Absorb the oozing dos-
ing liquid with a piece of cloth.
Î Tighten the screws.
Î Set the dosing pump to the original dos-
ing frequency.
1 Return key
Î Check the pressure difference between
the two manometers. Change filter inlay
if value is more that 0.15 MPa (1.5 bar):
Î Turn the main switch to position "0"
Î Interrupt raw water inflow.
Î Open the raw water testing tap to de-
pressurise the filter.
WPC 2500 SW-AM:
1 Filter casing
2 Filter cup fine filter
3 Filter cup coarse filter
1 Filter insert fine filter
2 Filter insert coarse filter
Maintenance schedule
Time Check / Activity Target value In case of deviation
daily Filling level of dosing container adequate filling refill
Air bubbles in the dosing pipes no air bubbles Bleed dosing pump.
Drinking water flow based on the startup value Lowered by less than 10% Fine regulation
Drinking water guide value based on the startup
value Increase within 10% Fine regulation
Pressure difference between pump and concen-
trate pressure maximum 15% above startup difference Kärcher Customer
Service
Counter/meter for media and active carbon filters Reflushing has taken place in the last 24
hours
Kärcher Customer
Service
Pressure difference fine filter maximum 0.15 MPa (1.5 bar) Replace fine filter
Visual inspection of the plant no leaks Kärcher Customer
Service
weekly Fill up operations log
monthly Clean and rinse dosing container
Float switch in drinking water tank no functional disruption can be detected Kärcher Customer
Service
Maintenance Works
Check media and active carbon filters
Display Significance
2000 Not important
0000 Not important
D–07 Number of days until the
next reflushing
–001 Number of reflushing that
have been conducted
0–01 days - hours since the last
reflushing
Bleed dosing pump.
Replace fine filter