Engl
ish
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
