Installing The Filter Cartridge; Flushing/Bleeding Via The Appliance - BWT bestmax Premium S Instructions De Montage Et De Service

2. There are four setting options for the bypass. The default bypass
setting is "2".
The bypass can be set by turning the cap on the filter head (see
Fig. 8). Turn the cap left or right until the mark displays the required
value and the cap snaps into place.
3. Once the bypass has been set, it can be fixed using the enclosed
warranty label.

INFORMATION!
f BWT recommends that the bestmax Premium size and also the filter system capacity are
selected so that the filter is replaced regularly at 6 monthly intervals and no later than after 12
months.
f Please note that after a shutdown of 4 weeks or more, the filter cartridge must be
replaced by a new one.
6.8

Installing the filter cartridge

I
CAUTION!
f The bestmax filter cartridge may only be installed in a genuine BWT filter head.
f Work cleanly, avoid impurities on the filter system.
Procedure:
1. Take the filter cartridge from the packaging film and remove the
hygiene cap.
2. Before installing the filter cartridge, mark the installation date and
the replacement date (no later than 12 months) on the filter's rating
plate (see Fig. 9) or fill out the Service Pass that can be optionally
obtained (see Fig. 10) and fix to the filter head using the cable tie.
3. Turn the filter anticlockwise in the filter head (see Fig. 11).
4. Open the check valve.
5. During commissioning, the filter must be flushed and bled (see
Sections 6.8.1 to 6.8.3).
The minimum flushing volumes are stated in the table below.
Table: Minimum flushing volumes
bestmax Premium Type
Flushing volume in litres

INFORMATION!
After a break in operation exceeding two days, the filter system must be flushed with
a minimum of 4–5 litres of water.

6.8.1 Flushing/bleeding via the appliance

If the downstream appliance (e.g. coffee machine) has a function for commissioning filter
cartridges, the filter system can be bled/flushed from the appliance. Observe the operating
instructions for the appliance.

INFORMATION!
Please do not route the water direct to the boiler when flushing the filter cartridge.
S V M
1 3 5
XL 2XL
9 15
21
Fig. 8
Fig. 10
Fig. 9
2
1
Fig. 11