English
37
NOTE!
f If any overflow situation occurs or if any of the above requires action reduce the water level by half
and initiate a regeneration by pressing and holding the manual regeneration key [RECHARGE] for
more than six seconds.
f If the home position is not detected within 10 minutes, the main display will show an “Err 1“
message to indicate a controller error and an audible alarm will sound. The error condition can
only be cleared by removing and re-applying the power.
f If problem persists, please call your local dealer or after sales service team.
7 Technical data
BWT bestsoft 4 BWT bestsoft 11
Nominal connection (outside thread) BSP ¾“ (DN20) ¾“ (DN 20)
Nominal flow rate in accordance with
EN 14743
l/h 732 1440
Operating pressure EU (min./max.) bar 1,0/8,0 1,0/8,0
Operating pressure UK (min./max.) bar 1,7/5,0 1,7/5,0
Pressure drop down at nominal flow in
accordance with EN 14743
bar 1,0 1,0
Quantity of ion-exchange resin l 4 10
Nominal capacity (EN 14743) / (CaCO
3
mmol/l) m³x°dH/mol/ppm 9/1,6/160 26/4,6/460
Capacity salt reservoir kg 8 12
Salt consumption per regeneration *) kg 1,0 1,5
Water consumption per regeneration *) l 55 85
Protection class IP 51 51
Feed water temperature (min./max.) °C 5 / 30 5 / 30
Ambient temperature (min./max.) °C 5 / 40 5 / 40
Electrical connection V / Hz 230 / 50 230 / 50
Dimensions: Width x depth x height
(W x D2 x H)
mm 230 x 403 x 493 270 x 480 x 532
Connection height (A)/Overflow height (S) mm 376/ 250 403/270
Operating weight, approx. kg 30 40
Order number:
SS04X01A00 /
820000
SS11X01A00 /
820001
*) Tested with “HiFlow“ connection available in option
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