Karcher WPC 2500 BW-A: Consumables

English

 17

(3) Difference between pump and con-

centrate pressure has increased by 

more than ___ MPa

1 Manometre for pump pressure

2 Manometer for concentrate pressure

Î

Read the value on the manometer for 

the pump pressure and the concentrate 

pressure and determine the differential 

pressure. 

Î

Compare the ascertained differential 

value with the value set at the time of 

startup (see startup report). 

Î

The membrane filter unit must be 

blocked if the differential pressure has 

increased by more than ______ MPa; 

no further adjustments are possible. 

Stop production of drinking water and 

inform Kärcher Customer Service.



Danger

Risk of burns injury on account of chemi-

cals. Please wear safety gloves and safety 

goggles while handling acid-resistant 

chemicals.

Note

The values for dosing the different chemi-

cals are based on the raw water analysis 

and the plant output.  Kärcher Customer 

Service will enter the dosing quantities re-

quired for your plant in the following table at 

the time of startup.

1 Cover

2 Mixing rod

3 Dosing pump

4 Dosing container

Î

Wear safety gloves and safety goggles.

Î

Remove the can from the dosing sta-

tion. 



Danger

Risk of injury on account of chemical reac-

tion. The dosing stations should not get in-

terchanged and be filled up with the wrong 

chemicals.

몇

Warning

Risk of flocculation or other undesirable 

chemical reactions. Only use chlorine-free 

drinking water from the drinking water test-

ing tap to mix the chemicals.

1 Drinking water testing tap

The dosing depends on the filling level in 

the dosing container.

Fully emptied dosing container.

Î

Fill 20 l drinking water in the dosing can.

Î

Use the measuring beaker to measure 

20 times the quantity (WPC 5000...) or 

10 times the quantity (WPC 2500...) in-

dicated in the dosing table and fill it into 

the dosing container.

Î

Fill up the dosing container up to the 

"200 l" mark (WPC 5000...) or to the 

"100 l" mark (WPC 2500..) with chlo-

rine-free drinking water.

Î

Close the cover of the dosing station.

Î

Pull out the mixing rod from the dosing 

container until the stop and push it back 

into the container.

Repeat this process for approx. 2 min-

utes until the chemicals are fully mixed.

Î

Deaerate the dosing pump according to 

the instructions in the chapter "Mainte-

nance and Care". 

Partially emptied dosing container:

Î

Read the filling level of the dosing con-

tainer on the scale, for e.g. 50 l.

Î

Determine the refill quantity; for that de-

duct the filling level that you have read 

from 200 l. In the example: 200 l – 50 l = 

150 l.

Î

From the dosing table, ascertain the re-

quired quantity of the corresponding 

chemicals. In the example: 15 x the 

quantity for 10 l water.

Î

Measure the ascertained quantity of the 

corresponding chemical and fill it into 

the dosing container.

Î

Fill up the dosing container up to the 

"200 l" mark with chlorine-free drinking 

water. 

Î

Close the cover of the dosing station.

Î

Pull out the mixing rod from the dosing 

container until the stop and push it back 

into the container.

Repeat this process for approx. 5 min-

utes until the chemicals are fully mixed.

Note

With the WPC 2500 BW-AM system, the 

dosing container holds 100 l. Please set 

100 l here instead of 200 l and proceed as 

indicated above.

Mixing the chemicals

Dosing table

Dosing 

con-

tainer

Chemical

Dosing per 10 l 

of dosing solu-

tion [ml]

Pre-

chlorin-

ation

RM 852 Steri-

lisation agent

Pre-

flock-

ing

RM 5001

Anti-

scalant

RM 5000 

Hardness sta-

biliser

Post-

chlorin-

ation

RM 852 Steri-

lisation agent

Consumables

Description

Order No.

RM 852 Sterilisation agent

RM 5000 Hardness stabi-

liser

RM 5001 Flocking agent

Filter inlay for fine filter, 

5 µm for WPC 2500...

6.414-838.0

Filter inlay for fine filter, 

5 µm for WPC 5000..., 

WPC 10000...

6.414-812.0