Convotherm 4 ES/GS
Water hardness for water connection (A) for water injection
Water quality Drinking water
Soft water
General hardness (GH)
- in German degrees of hardness [°dH] 4 - 7
- in French degrees of hardness [TH] 7 - 13
- in English degrees of hardness [°e] 5 - 9
- in ppm CaCO
3
[ppm] 70 - 125
- in mmol/l alkaline earth ions [mmol/l] 0.7 - 1.3
Water hardness for water connection (B) for cleaning system, recoil hand shower
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
Installation manual 131
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