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Due to our policy of continual improvement, we reserve the right to change specifications without prior notice.

7. Filter

Checking the filter life

The premium filter used with the product system is designed 

for three functions: 

1. 

A coarse pre-filtration and fine 5 micron post filtration 

membrane this is designed to reduce dirt, clay, rust, 

debris and sediment.

2. 

An activated carbon filter to improve the taste and 

odour of the drinking water, which has an approximate 

capacity of 1700 litres at 12.5 °Clark. You will notice this 

element of the filter media is reaching its expiration 

when you begin to taste and smell the chlorination of 

the water.

3. 

An ION selective filter: to reduce the water hardness 

minerals and protect the boiler from calcification (scale) 

whilst retaining other useful mineral content. The 

capacity of this filter media is variable; please see the 

“filter installation” section for further details. You may 

not notice the filter reaching the expiration without 

testing your water. Accordingly, the boiler will remind 

you when it is time to check it. If you live in a known 

high scale (hard water) area and do not replace the 

filter frequently enough, the calcification (scale build 

up) will reduce the energy efficiency of you boiler and 

prematurely wear internal parts.

The filter life will depend greatly on many factors such as:

• 

Your water quality (hardness).

• 

Your preferred temperature setting.

• 

The number of people using the product.

• 

The usage frequency.

• 

The head bypass setting.

• 

The split usage of cold or boiled filtered water.

• 

The incoming water pressure and flow rate settings.

Only filtered water passing through the boiler is measured. 

Cold filtered water is ignored and the above variables are 

unknown, so the filter life indicator should only be used as 

a reminder to test the filter function. You may find the filter 

lasts longer or shorter than it suggests depending on the 

above factors.

Does my filter need replacing?

Your boiler displays a ‘check filter reminder status bar’ and has 

an audible beep when it reaches its estimated end point. This 

is based on ‘average’ volume and time limits and is designed 

to help remind you to check the filter. 
Each installation has a different number of people using it, 

a different usage pattern and an individual water hardness “ 

°Clark”. Because of this the boiler will only remind you when 

to check the filter, you must judge for yourself if the filter 

needs changing or not, as no two installations are the same.

The status bar time limit is 6 months.

 This reminder is 

based on 19 °Clark (London) hardness of water and an 

estimated 5 litres filter use per day. The filter volume at this 

hardness is approximately 1020 litres. Research shows a near 

50/50 split of average water use between domestic boiled 

and ambient filtered water usage. 

The volume limit is 1750 litres. 

Based on half the capacity of 

the filter in the softer water conditions, this assumes 50% of 

the water is used for cold drinking water only.
After these limits the reminder status bar will reach the 

bottom and the boiler will beep each time when you 

dispense hot water. This beep is to remind you to check the 

filter, therefore ensuring the quality of water is consistent and 

the boiler is protected from any scale build up. 
We also operate an automated filter reminder scheme to 

suggest when the filter is likely to need a replacement. Our 

customer care team will call or email with a reminder when 

replacement is likely to be required.
Irrespective of your water quality or usage pattern we 

recommend that the filter is replaced at minimum every 6 

months in areas of a hardness 9 °Clark or higher, and no later 

than 12 months in areas of a hardness 8 °Clark or lower. 
If you don’t know the hardness (GB Clark rating) of your water, 

test your unfiltered cold water, refer to your installer’s guide, 

check your postcode on your water supplier’s website or 

contact your service agent for more help. 

n

#

The filter head should be replaced after 5 years of 

service. 

n

L

You will find that once you have changed the filter a 

few times you will get a feel for your personal water 

hardness and filter replacement schedule, the need 

to check the filter will become less frequent and 

quicker.

Содержание GEO

Страница 1: ...Instructions for GEO and AGA 4 in 1 tap boiler units BOILER FOR 4 IN 1 TAP Installation Instructions Aftercare Information U110651 02a...

Страница 2: ...he water temperature 7 5 Using the Product 8 6 Descaling the Boiler system 10 7 Filter 12 8 Draining the Boiler system 16 9 Troubleshooting maintenance 17 10 Specifications 20 11 Circuit Diagram 22 12...

Страница 3: ...ater in the tank has cooled to a safe temperature n n WARNING Do not use this appliance if you suspect it or any of its hoses are damaged in any way or is performing differently from how you would exp...

Страница 4: ...device such as a timer or connected to a circuit that is regularly switched on and off by the utility n n Do use any water jet or steam near this appliance n n This appliance should have at least 10m...

Страница 5: ...n Filter reminder Power button Scroll arrows Menu button Status information Time Status indicator Preferred temperature Filling The boiler is filling with fresh cold water to replace the hot water jus...

Страница 6: ...er No water No water supply self diagnostic error confirm water supply is on if problem persists contact service agent on top of boiler PCB Fault PCB self diagnostic error contact service agent on top...

Страница 7: ...backlight brightness between 1 5 3 Once satisfied with the new backlight brightness value hold MENU to store 4 Now the contrast values will flash Repeat for the contrast 5 Hold MENU to store and to e...

Страница 8: ...he least energy efficient setting Shutting down 1 To shut down the product the POWER button should be held when on the normal operation screen for 10 seconds 2 The shutdown screen will appear and usin...

Страница 9: ...st This will happen faster if some of the stored hot water is dispensed and therefore replaced with cold Note it is normal as with any hot water dispenser that thermal energy is lost by the time it is...

Страница 10: ...weeks you should flush 10 litres 3 Hot domestic water This is delivered when the left tap handle is pulled forwards 4 Hot boiled filtered water This is delivered when the HotFob key is moved close to...

Страница 11: ...the HotFob away from the tap L L The HotFob is magnetic to allow you to stick it in out of reach places such as the fridge or the cooker hood With the HotFob away from the tap it can only be used as...

Страница 12: ...switch off the boiler at the front control panel see user guide powering down for more details 2 Wait until the flexible connector B9 has cooled to a safe touch temperature this may take some time Fig...

Страница 13: ...wice repeat the flushing procedure as described in steps 9 to 13 until it subsides n n The boiler descaling agent has been formulated and tested specifically for your appliance no alternative descalin...

Страница 14: ...and has an audible beep when it reaches its estimated end point This is based on average volume and time limits and is designed to help remind you to check the filter Each installation has a differen...

Страница 15: ...e REPLACE LITRES value in the table for 13 Clark is 850 litres In this example the WATER USAGE is more than REPLACE LITRES so the filter requires replacement Replacement filters can be obtained by con...

Страница 16: ...leared cold filtered water will come from the tap The water might at first be discoloured but this is normal and will clear with flushing 10 With a kitchen measuring jug and a clock you must A Flush a...

Страница 17: ...en rinse with warm water and then dry off the tap again to prevent water marks reappearing as the water evaporates Where the tap has a removable aerator on the spout exit it can be removed and cleaned...

Страница 18: ...protective wear to prevent accidental scalding from hot water surfaces and steam 1 Use the HotFob to drain hot water from the tank until no more water can be dispensed 2 Ensure the boiler A1 is turned...

Страница 19: ...e turn off appliance at plug See silver front plate for service contact details The water supply to the boiler is turned off The water pressure is low The inlet filter is blocked with debris Electrica...

Страница 20: ...nearer balance the pressures Domestic hot water temperature is too low Increase the boiler output temperature to help compensate Water is spraying from the spout end Aerator is blocked or partially bl...

Страница 21: ...asks any such naturally occurring tastes in the water Flush the tap for longer before use if the taste persists it is most likely as described Water is cloudy Air in the water You can check for air in...

Страница 22: ...at 3 bar Varies by model refer to tap specifications Note inlet flow limiters are available separately to flow limit the tap if required to meet varying building standards For further detailed inform...

Страница 23: ...bar Maximum cold water pressure 8 bar Filter mesh rating 5 micron nominal rating Primary filter contents Activated carbon block Ion selective media Capacity activated carbon 1700 litres approximately...

Страница 24: ...m Key QTY Description A1 1 Boiler unit A2 1 1 5m Power lead A3 1 Boiler mounting bracket A4 1 Boiler bracket to base unit screw A5 2 Boiler bracket screw A6 1 Data connection lead A7 1 Safety steam ov...

Страница 25: ...tube type C3 1 Filter head including check valve C4 1 Flush Drain pipe C5 1 Filter cartridge C6 2 Filter head screws C7 1 3 8 stem x push fit C8 1 x 1500mm Tube thinner tube type C9 1 x x Push fit eq...

Страница 26: ...dvisory Service All materials WRAS compliant with the exception of the pump which complies to NSF Part G building regulations Hot water safety All safety and discharge devices supplied as standard wit...

Страница 27: ...ur statutory rights 5 No warranty applies to the filter cartridge life this is effected by the setup varying water quality and personal pattern of usage and as such the combination of these variables...

Страница 28: ...26 Notes...

Страница 29: ...27 Notes...

Страница 30: ...28 Notes...

Страница 31: ...29 Notes...

Страница 32: ...Clarence Street Royal Leamington Spa Warwickshire CV31 2AD England Tel 44 0344 5765597 GEO Email consumer agarangemaster co uk AGA Email customerrelations agarangemaster co uk...

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