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Failure to flush the new filter before use (as described in steps 8-11 below) may
partially block your PROBOIL boiler with loose carbon filter fines and therefore invalidate
your warranty.
8) Turn on the mains Tee valve (E4) directly before the filter inlet so the valve is in the indicated fully "open" position.
9) Place filter head's white flush pipe (C4) in a bucket or large bowl.
10) Using a coin (or similar) turn clockwise 90° the flush valve on the top of the filter head (C3) slowly to the "open"
position to start the flushing. You must flush approximately 10 litres of water through pipe (C4). Note: If you need to
empty the bucket part way through, turn the water off by temporarily turning the closing the flushing valve (C3) by
turning the flush valve 90° anticlockwise.
11) After fully flushing the filter for 10 litres close the flushing valve by turning the flush valve on the filter head (C3) 90°
anticlockwise to the "closed" position.
12) Press and hold simultaneously the "+" and "-" screen keys to reset the filter counter on screen
13) Dispense the 98°C water by holding the Hotkey close to the 'cup' symbol, note: initially as the air purges you may
get some spitting from the end of the tap, this is normal, leave this on and flush for a further 5 minutes or 5 litres.
14) Wait for the boiler to show "READY" before use.
We only warrant the original filter type supplied with your boiler, which is formulated specifically for the
PROBOIL product. If the filter is removed or exchanged for an alternate model it may have a detrimental effect to your
system and accordingly will invalidate your warranty. If you have specific or unusual incoming water conditions, please
contact the service number on the boiler for further advice.
Failure to adjust the incoming water flow rate may reduce the filter life or prevent the filter from performing
correctly, leading to premature damage to other components of the system and will therefore invalidate your warranty.
The filter head must be replaced after 5 years of use.
PROBOIL.4E user & installation guide v1d
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