10
US
2. There are four possible positions/settings for the blend. The factory
setting of a new filter head is “2”. The blend can be changed easily by
twisting the cap on top of the filter head (see Fig. 8). Turn the cap eit-
her clockwise or counter clockwise until the indication is pointing to
the required blend setting where the cap is snapping in.
3. The blend can be fixed by the included seal tag
NOTE!
f
Our recommendation is to choose a size of cartridge, where the capacity requires replacemante
every six months, but no longer than 12 months.
f
After a shut down period of longer than 4 weeks, the cartridge has to be replaced in any case
6.8 Filter Cartridge Installation
I
CAUTION!
f
Only use the VIZION HRS filter cartridge in combination with an original VIZION filter head.
f
Please avoid any impurities in the filter system, keep the working conditions and filter system clean
Procedure:
1. Unwrap the filter cartridge and remove the hygienic cap.
2. Before installation of the filter cartridge please mark the date of
installation and the date of the replacement on the data plate of
the filter cartridge (see Fig. 9). Optional you can get and add this
information in the service-pass (see Fig. 10) which has to be fixed
on the filter head (e.g. by using a cable clip).
3. To mount the filtercartridge in the filter head turn the cartridge
counter clockwise into the thread of the filter head (see Fig. 11)
4. Open the inlet valve (shut-off valve)
5. The filter system has to be rinsed and flushed (see chapter 6.8.1
to 6.8.3). The necessary rinsing volume is given in the table below:
Required volume of flushing water
VIZION HRS
100
200
Flushing water in US gallons (Liter)
2.4 (9)
3.96 (15)
NOTE!
f
After a shut down of more than two days the filter system must
be rinsed with a water volume according table 1.
Depending on the installation there are several possibilities to rinse and purge the system:
6.8.1 Rinse/Purge with the Device
If the device (e.g. coffee machine etc…) used after the filter system has the option/function for start
up of filter cartridges, the purge and rinsing process can be done via this device
(e.g. coffee machine). Please read the instruction manual for the device.
NOTE!
f
Don’t feed the boiler of the device with the rinsing water!
6.8.2 Rinse/Purge with a Rinsing Tap
VIZION recommends the installation of a rinsing/purging tap after the filter system. Rinsing/Purging
can simply be done by using this tap. Please read the instruction manual of the tap.
Fig. 11
2
1
Fig. 8
Fig. 9
Fig. 10