Doulton Duo Filter Mixer Tap Einbauanleitung - Seite 4

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11. Care and Cleaning

11.1 Use only soapy water and a soft sponge or cloth to clean the filter housing

and mixer tap, avoid the use of:

- Strong oxidising agents such as bleach or Milton solution

- All strongly acidic materials including descalents

- Strongly alkaline materials

11.2 A lways ensure that the filter housing and mixer tap are thoroughly rinsed

and dried after cleaning

11.3 If used with hard water or water with very high mineral content it is

necessary to clean and dry the mixer tap after use, build up of calcium and

other minerals could seriously damage the surface of the tap

12. Servicing/Replacing the ceramic filter (H) in the right

hand filter housing – see figure 10

12.1 Grip the textured rim of the grey filter cap (E), twist to the 'unlock' position,

taking care not to trap fingers and pull down to disengage.

Note: If the filter has had little use prior to servicing, twist the grey

filter cap (E) to the 'V' vent position and open the mixer tap filtered

water tap (to relieve pressure in the filter), twist the grey cap to

the 'unlock' position and pull down to disengage the filter whilst

the tap remains open

12.2 The water supply is automatically turned off when the filter is dismantled.

Note: If the filter is to be left unattended whilst dismantled for an

extended period of time (i.e. over 1 hour) then the upstream mains

water supply should be turned off

12.3 T ake the filter cartridge to the sink – remembering that it is still full of

water

12.4 Unscrew the grey filter cap (E) to remove the filter body and empty the

water into the sink, taking care not to contaminate the open ended

neck of the filter cap with unfiltered water

12.5 Unscrew the ceramic filter (H) from the grey filter cap (E).

Note: Care must be taken to prevent contamination of the neck of

the filter cap and filter element mount stem

12.6 Replace the ceramic filter or clean as described in section 14 and then

wash your hands. Note: If replacing with a new ceramic filter, prepare

the filter for use as described in section 10 or as per the Operating and

Exchange Instructions supplied with the ceramic filter

12.7 The used ceramic filter can be wrapped in a plastic bag or newspaper for

disposal with your household waste

13. Replacing the pre filter (G) in the left hand filter

housing – see figure 10

13.1 Refer to section 12.1 to 12.4 to open the left hand housing for removal

and replacement of the pre filter

13.2 Replace the Pre Filter with a new unit, replacement is recommended every

3 - 6 months dependant on the quality of your water

Figure 10

Vent position

G/H

14. Cleaning the ceramic filter (H) – see figure 11

Due to filtration of particulate contaminants from the water during use, the

flow of water from the filter may reduce over a period of time. To restore

flow to its normal level simply clean the ceramic filter as follows:

14.1 Hold the ceramic filter in a bowl of water or under running water.

Ensure that the open ended plastic mount is clear of the water to avoid

contamination

14.2 Take a clean kitchen scouring pad in one hand and cup it around the

circumference of the ceramic filter at the top next to the mount. Press

gently onto the filter surface with the scouring pad, whilst quickly turning

the filter with the other hand

14.3 Apply a gentle even pressure with the pad and slowly work down the

length of the filter once. Ensure that the cleaning is uniform over the whole

filter

15. Re-setting the Mixer Tap filtered water indicator light

or changing the battery – see figure 12

When the ceramic filter has been changed the Mixer Tap filtered water

indicator light will need to be re-set. To re-set the indicator light or change

the battery, follow the steps below. It is recommended that a new mixer tap

battery is fitted every 12 months

15.1 Remove the battery holder by pulling out from the underside of the filtered

water tap operating lever

15.2 Remove the battery

15.3 Re fit the new battery or if you are just re-setting the indicator light put

the old battery back in. The led light on the circuit board will flash red then

blue

15.4 Push the battery holder into the underside of the filtered water tap

operating lever, ensure the light on the circuit board aligns with the light

lens. The indicator light is now re-set for use with the new ceramic filter,

when the filtered water tap is operated the indicator light flashes 'blue'

Figure 11

Figure 12

Install battery, red light will

flash, followed by a blue light

Indicator

light - filtered

water

Battery holder

Insert battery as shown