Karcher WPC 2500 BW: Consumables

(3) Difference between pump and con-

Î Determine the refill quantity; for that de-

centrate pressure has increased by

duct the filling level that you have read

more than ___ MPa

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.

1 Cover

Î Fill up the dosing container up to the

2 Mixing rod

"200 l" mark with chlorine-free drinking

3 Dosing pump

water.

1 Manometre for pump pressure

4 Dosing container

Î Close the cover of the dosing station.

2 Manometer for concentrate pressure

Î Pull out the mixing rod from the dosing

Î Wear safety gloves and safety goggles.

container until the stop and push it back

Î Read the value on the manometer for

Î Remove the can from the dosing sta-

into the container.

the pump pressure and the concentrate

tion.

Repeat this process for approx. 5 min-

pressure and determine the differential

 Danger

utes until the chemicals are fully mixed.

pressure.

Risk of injury on account of chemical reac-

Note

Î Compare the ascertained differential

tion. The dosing stations should not get in-

value with the value set at the time of

With the WPC 2500 BW-AM system, the

terchanged and be filled up with the wrong

startup (see startup report).

dosing container holds 100 l. Please set

chemicals.

100 l here instead of 200 l and proceed as

Î The membrane filter unit must be

몇 Warning

indicated above.

blocked if the differential pressure has

Risk of flocculation or other undesirable

increased by more than ______ MPa;

Consumables

chemical reactions. Only use chlorine-free

no further adjustments are possible.

drinking water from the drinking water test-

Stop production of drinking water and

ing tap to mix the chemicals.

inform Kärcher Customer Service.

Description Order No.

Mixing the chemicals

RM 852 Sterilisation agent

 Danger

RM 5000 Hardness stabi-

Risk of burns injury on account of chemi-

liser

cals. Please wear safety gloves and safety

goggles while handling acid-resistant

RM 5001 Flocking agent

chemicals.

Filter inlay for fine filter,

6.414-838.0

Note

5 µm for WPC 2500...

The values for dosing the different chemi-

Filter inlay for fine filter,

6.414-812.0

cals are based on the raw water analysis

5 µm for WPC 5000...,

and the plant output. Kärcher Customer

WPC 10000...

Service will enter the dosing quantities re-

1 Drinking water testing tap

quired for your plant in the following table at

the time of startup.

The dosing depends on the filling level in

the dosing container.

Dosing table

Fully emptied dosing container.

Dosing

Chemical Dosing per 10 l

Î Fill 20 l drinking water in the dosing can.

con-

of dosing solu-

Î Use the measuring beaker to measure

tainer

tion [ml]

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

Pre-

RM 852 Steri-

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

chlorin-

lisation agent

dicated in the dosing table and fill it into

ation

the dosing container.

Î Fill up the dosing container up to the

Pre-

RM 5001

"200 l" mark (WPC 5000...) or to the

flock-

"100 l" mark (WPC 2500..) with chlo-

ing

rine-free drinking water.

Anti-

RM 5000

Î Close the cover of the dosing station.

scalant

Hardness sta-

Î Pull out the mixing rod from the dosing

biliser

container until the stop and push it back

into the container.

Post-

RM 852 Steri-

Repeat this process for approx. 2 min-

chlorin-

lisation agent

utes until the chemicals are fully mixed.

ation

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.

English 17