Convotherm 4 Series - Water Quality

9.13 Water quality
Convotherm 4 EB/GB
Water hardness for both water-supply connections: Cleaning, recoil hand shower (A) and boiler (B)
Water quality
■
Drinking water
■
Hard water
General hardness (GH)
- in German degrees of hardness [°dH] 4 - 20
- in French degrees of hardness [TH] 7 - 35
- in English degrees of hardness [°e] 5 - 25
- in ppm CaCO
3
[ppm] 70 - 360
- in mmol/l alkaline earth ions [mmol/l] 0.7 - 3.6
Properties
Temperature [°C] max. 40
Electrical conductivity [µS/cm] min. 20
pH 6.5 - 8.5
Cl
-
[mg/l] max. 60
CI
2
[mg/l] max. 0.2
SO
4
2-
[mg/l] max. 150
Fe [mg/l] max. 0.1
9 Technical data
137