Unic Rumba User Manual

- 12 -
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 171614131110 7 20 2
1,5 15 111099775 30 3
2 20 9876554 40 4
2,5 25 7665443 50 5
3 30 6554432 60 6
3,5 35 5444332 70 7
4 40 4443322 80 8
4,5 45 4333222 90 9
5 50 3333221
 NUMBER OF
6 60 3322221
WEEKS BETWEEN 2
6,5 65 3222211
REGENERATING
7 70 2222111
TREATMENTS
7,5 75 2222111
ACCORDING TO FLOW
8 80 2222111
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

Unic Rumba Specifications

General

Brand	Unic
Model	Rumba
Category	Coffee Maker
Language	English