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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’

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

C

E

F

G/H

Vent position

Figure 11

Figure 12

Install battery, red light will 

flash, followed by a blue light

Insert battery as shown

Battery holder

Indicator 

light - filtered 

water

Содержание Duo Filter Mixer Tap

Страница 1: ... Washer W Locking Nut x2 X Filtered Water Hose Y Hot Red Water Hose Z Cold Blue Water Hose A Cover Duo Filter Mixer Tap Filter Installation Instructions Parts included in your Duo Filter Mixer Tap filtration system B Mounting plate C Filter head F Filter body H Ceramic Filter I 3 8 Tubing J 3 8 Non Return Valve K 3 8 Tee Adaptor L Female Adaptor M Male Stem Adaptor N 7 16 Tap Adaptor O Male Adapto...

Страница 2: ...ting Temperature 5 C 41 F This will result in a 1L min flow of filtered water At 45psi or greater a flow rate of 1 5L min or more will be seen 2 Important 2 1 This filter is intended for installation under the sink away from direct sunlight 2 2 This filter is not designed for the treatment of hot water and should only be connected to the cold water supply 2 3 Maximum plastic housing life 10 years ...

Страница 3: ...d If the tubing is unevenly cut or scratched cut off the damaged section squarely and re install the tubing With the mixer tap filtered and hot cold water taps open slowly turn on the mains water to allow the system to fill gradually Check the system for leaks 9 4 If there are leaks from the filter head Turn off the mains water supply Open the mixer tap filtered and hot cold water taps to release ...

Страница 4: ...nsed 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 unl...

Страница 5: ...30 Issue 2 www doulton com Parts and Service Availability Buy online at www doulton com Product Warranty Your filter housing is covered under warranty for 12 months from the purchase date of the product against any failure due to defect of materials workmanship or design of the filter housing Please retain your receipt as proof of purchase To register your product warranty please visit www doulton...

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