MAINTENANCE

WTC 600 LP / MP

4.4.2Disinfection

A disinfection of the RO equipment becomes necessary when acidic and alkaline cleaning was not successful.

NOTE The metering containers, supply lines, etc. should also be disinfected.

Aids:

-Per-acetic acid test stripes1)

-Chemicals for disinfection and neutralization.

Work Steps:

1.The equipment is prepared for disinfection (compare with Chapter 4.4.1)

2.Switch the flushing pump on

3.RO equipment in the disinfection operating mode; allow disinfection solution to circulate for approx. 5 -10 minutes

4.RO equipment in the switched off operating mode; allow disinfection solution to react for approx. 15 minutes

5.After disinfecting, dispose of the solution according to the regulations

6.Connect the soft water supply to the RO equipment again; guide drinking water and concentrate outlet to the canal

CAUTION The drinking water and concentrate line must not have contact with the canal due to danger of germs (free fall as in pouring).

7.Plug in the earthing-contact plugs of the metering pumps

8.Open the untreated water valve and switch the RO equipment to the operation operating mode

9.Flush the RO system for approx. 30 minutes and use peracetic acid test strips (peracetic acid content 0 mg/l) to check the drinking water is free of disinfectant; adjust system and enter disinfection in the operating log book

10.Reinstate the original piping layout

11.Thoroughly flush the hoses and pump with drinking water! Danger of corrosion!

Volume of the

RM

Item No.

disinfection solution [l]

P3-Oxonia-Active [ml]

 

 

 

 

30

75 (= ½ bottle)

6.294-010.0

 

 

 

Table 22 Composition of the disinfection solution

1)Item No. 6.768-354.0

48

Service Handbook 08.2004

Page 48
Image 48
Karcher 600 CD manual Disinfection

600 CD specifications

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