DW 950 / 951 / 952 / 95C
WATER SOFTENING
Thewatersofteneroperatesasfollows:
During rinse, pre-wash and main wash:
1. Inletvalve1opensandadmitswater.
2. Thewaterflows
•through hose 3 to air-brekdevice, no1
• passes an airgap
•leavesthe air-breakdevicethroughno.3
•passes hose 7 to theresin containerof thesofte-
ner,no3.
Therethewaterissoftenedandthesoftwaterflows
•outthroughno.4
• through hose 8 back to the air-break device no. 4
•entersthemachinethroughno.6.
1 Inletvalve1
2. Inletvalve2(regenerationvalve)
3. Hose IV1 - air-break device
4. Hose IV2 - air-break device
5. Air-break device
6. Inletopening
7. Hose air-break device no. 3- resin
containerno.3
8. Hose air-break device no. 4 – resin
containerno.4
9. Hose air-break device no. 5 - salt
containerno.5
10.Saltcontainer
11.Resincontainer
Hard water, containing lime,
Ca(HCO3)2flows into the resin
container. The Ca ions are
replaced by Na. Soft water,
containing Na(HCO3) flows
into the machine.
Regeneration during the main wash:
3. Whenthemachinehasadmittedwater,asdescribedabove,forthemainwash,inlet
valve2opensfor20,30or50seconds, dependingon thesetting.Thewaterflows
throughhose4totheair-breakdevice5,onthroughhose9andintosaltcontainerno.5.
Thesalt-saturatedwaterflowsintotheresincontainer,whereitregeneratestheresin,so
thatitcansoftenfurtherwater.
Ca
Na(HCO )
3
Na
Ca(HCO )
32
Resin container
1
3
4
2
5
7
8
6
9
10
11