Step
• Flushing of the pre-filter (PURITY C Quell ST or PURITY C50 Fresh)
#4
• Setting of the pre-filter head's bypass to its final position
• Insert the pre-filter into the pre-filter head.
• Close the pre-filter head's locking handle by bringing its two blue handles in
a horizontal position
• Make sure that the pre-filter head's bypass is set to 0% (Allen key size 4mm)
• Place a bucket close to the cartridge (~10 litres) and hang the cartridge's grey flushing
hose into the bucket
• Flush the pre-filter cartridge: Open the pre-filter head's flush valve by pushing the grey
slider outwards. Flush 2 bed volumes
Size of pre-filter
PURITY C300 Quell ST
PURITY C500 Quell ST
PURITY C1100 Quell ST
PURITY C50 Fresh
• After being sufficiently flushed, close the flush valve of the pre-filter head by pushing
the grey slider inwards.
Leave the pre-filter cartridge in the pre-filter head
4.1
EN
Set the bypass of the pre-filter head to its final position that has been calculated by the
App (see step 1.1, Allen key size 4)
4.2
62
1 x bed volume (in litre)
2.9
5.4
8.7
1
0 %
2x bed volume (in litre)
5.8
10.8
17.4
2
2x