THE WATER SOFTENER
The water softener removes minerals from the water
supply, which would have a detrimental effect on
the washing results and on the appliance.
The higher the content of these minerals, the harder
your water is. Water hardness is measured in
equivalent scales.
The water softener should be adjusted according to
the hardness of the water in your area. Your local
water authority can advise you on the hardness of
the water in your area. It is important to set the right
level of the water softener to assure good washing
results.
Water hardness
German de-
grees (°dH)
French degrees
(°fH)
mmol/l
Clarke de-
grees
Setting on the
water softener Display indication
0 - 5
0 - 9
0.0 - 0.9
0 - 7
1
H1
6 - 11
10 - 19
1.0 - 2.0
8 - 14
2
H2
12 - 17
20 - 30
2.1 - 3.0
15 - 21
3
H3
18 - 22
31 - 39
3.1 - 4.0
22 - 27
4
1)
H4
23 - 34
40 - 60
4.1 - 6.1
28 - 42
5
H5
35 - 45
61 - 80
6.2 - 8.0
43 - 56
6
H6
1) Factory setting.
Regardless of the type of detergent used, set the
proper water hardness level to keep the salt refill
indicator active.
Multi-tabs containing salt are not
effective enough to soften hard water.
Regeneration process
For the correct water softener operation, the resin
of the softener device needs to be regenerated
regularly. This process is automatic and is the part
of the normal dishwasher operation.
Water softener
level
Regeneration frequency
1
off
2
every 10 cycles
3
every 5 cycles
4
every 3 cycles
5
every 2 cycles
6
every cycle
Regeneration and softener rinse takes place in the
drying phase and ends with a complete drain. This
activity lasts around three minutes, but it does not
impact the overall cycle time. This activity increases
the total water consumption of a programme by
additional 1 l and the total energy consumption of a
programme by additional 0.3 Wh.
All the consumption values mentioned
in this section are determined in
accordance with the currently
applicable standard in laboratory
conditions with water hardness
2.5mmol/L according to the
2019/2022 regulation (water softener:
level 3).
The pressure and the temperature of
water as well as the variations of the
mains supply can change the values.
CHANGING WATER SOFTENING SETTING
1. Close the appliance door.
2. Press On / Off.
3. Press and hold Programme immediately for 6
seconds.
The display shows current water softener level.
4. Press Programme immediately to choose the
water softening level.
The level is set after 6 seconds.
9
Summary of Contents for ZDM17301SA
Page 1: ...GETTING STARTED EASY User Manual ZDM17301SA ZDM17301WA EN User Manual Dishwasher ...
Page 18: ......
Page 19: ......