20
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 liters Salt : 1 kg
