- 10 -
Water Softener Regeneration : when ?
Example :
Daily amount of used coffee : 3 kg
Number of 7-centilitre cups : 420
Daily water consumption : 30 litres
Daily number of 20-centilitre cups of tea : 150
Daily water consumption : 30 litres.
Conclusion : - Total daily water consumption is 60 litres
- Water hardness is 30°TH.
See 30°Column and line 60 of Table hereunder.
- DV 50 Water softener must be regenerated every 2 weeks.
- CN 97 Water softener must be regenerated every 5 weeks.
CN 97 Model Height : 600 mm Diam. : 185 mm Resin : 16 litres Salt : 2 kg
Water hardness °TH 20° 25° 30° 40° 50° 60° 80°
Daily
consumption
Softened water
CN 97 Model
2500 2350 2100 1800 1600 1400 1000
Water in
litres
Coffee
in kg
36 34 30 26 22 20 14 10 1
1 10 17 16 14 13 11 10 7 20 2
1,5 15 11 10 9 9 7 7 5 30 3
2 20 9 8 7 6 5 5 4 40 4
2,5 25 7 6 6 5 4 4 3 50 5
3 30 6 5 5 4 4 3 2 60 6
3,5 35 5 4 4 4 3 3 2 70 7
4 40 4 4 4 3 3 2 2 80 8
4,5 45 4 3 3 3 2 2 2 90 9
5 50 3 3 3 3 2 2 1
NUMBER OF
6 60 3 3 2 2 2 2 1
WEEKS BETWEEN 2
6,5 65 3 2 2 2 2 1 1
REGENERATING
7 70 2 2 2 2 1 1 1
TREATMENTS
7,5 75 2 2 2 2 1 1 1
ACCORDING TO FLOW
8 80 2 2 2 2 1 1 1
CAPAC. & WATER °TH.
Coffee
in kg
Water
in litres
1200 1100 1000 900 760 700 500
Softened water
DV 50 Model
Daily consumption
20° 25° 30° 40° 50° 60° 80° Water hardness °TH
DV 50 Model Height : 400 mm Diam. : 185 mm Resin : 8 litres Salt : 1 kg
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