EN
5.6 Installing/replacing the filter cartridge
I
CAUTION!
f
The filter cartridge may only be installed in a genuine BWT filter head.
f
Work cleanly, avoid impurities on the filter system.
f
Close the check/shut off valve before exchanging the filter cartridge.
Unpack the filter cartridge and remove the hygienic cap.
Before installing the filter cartridge mark the installation and replacement date (no later than
6 months) on the type label of the filter cartridge.
In case of replacement unscrew the filter cartridge clockwise out of the filter head.
Screw the new filter cartridge counter clockwise into the filter head.
Open the check/shut off valve and check the system for leaks.
NOTE!
f
During commissioning, the filter has to be purged/flushed.
f
To avoid airlocks during initial installation, turn the cartridge upside down and flush the required volume through the flush valve. Whilst
flushing, press and release the button every 15 seconds for 2-3 seconds each time. This will agitate the resin and help remove any
trapped air bubbles.
f
For the best results, occasionally turn the cartridge upside down whilst it is in use. This will remove any accumulated gases that may be
trapped within the resin. After a few seconds, return the cartridge to the normal upright position.
f
The minimal flushing volume is given in Section 2.2. The volume of purge water is to be dismissed.
6 Service and maintenance
I
CAUTION!
f
Failure to respect the replacement intervals of the filter cartridge may cause damage to the downstream appliances.
f
Failure to replace the filter head or the hoses after 5 years can cause property damage.
Drinking water is food
Handle the filter system hygienically. Clean the filter system regularly
with a damp cloth. Work cleanly especially when replacing the filter car-
tridge. Avoid using alcohol based cleaners, acidic and strong chemicals.
Check for leaks
Regularly
Check the pressure
hoses
Regularly check for breaks, squeezes and pinch points. Replace damaged
hoses.
Break in operation/
shutdown
After a break in operation exceeding two days, the filter cartridge should
be purged with a minimum of 4-5 liters
(1.1-1.3 US gallons)
of water.
Replace filter cartridge
After 6 months
(regardless of the residual capacity)
; after a shutdown of more
than 4 weeks
Replace filter head
After 5, after 10 years the latest
Replace pressure hoses
After 5 years
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