User's Manual

Water quality and leveling requirements, and condensation management 65
Hydrological data Acceptable range
Free carbonic acid 8–15 mg/dm
3
Accompanying carbonic acid 8–15 mg/dm
3
Corrosive carbonic acid 0 mg/dm
3
Sulphides Free
Oxygen < 10 mg/dm
3
Chloride ions < 50 mg/dm
3
Sulphate ions < 250 mg/dm
3
Nitrates and nitrites < 10 mg/dm
3
CSB < 7 mg/dm
3
Ammonia < 5 mg/dm
3
Iron < 0, 2 mg/dm
3
Manganese < 0, 2 mg/dm
3
Conductivity < 2200 µS/cm
Residue on evaporation < 500 mg/dm
3
Potassium permanganate consumption < 25 mg/dm
3
Suspended matter < 3 mg/dm
3
Particular size range filtration
recommendations
> 3 < 15 mg/dm
3
part flow purification recommended
> 15 mg/dm
3
continuous purification recommended
Closed-loop water specifications Raw water Treated water system
pH 6.5–9.5 8.0–10.0
Specific conductance at 25°C 10–1,000 µmhos 10–4,500 µmhos
"M" Alkalinity (CaCO
3)
20–300 ppm 100–1,000 ppm
Sulfur (SO
4)
0–150 ppm 0–150 ppm
Chloride (Cl) 0–150 ppm 0–150 ppm
Hardness (CaCO
3)
0–350 ppm 0–350 ppm
Calcium hardness (CaCO
3)
0–200 ppm 0–200 ppm
Magnesium hardness (CaCO
3)
0–150 ppm 0–150 ppm
Copper (Cu) < 0.10 ppm < 0.20 ppm
Iron (Fe) < 3.0 ppm < 3.0 ppm
Aluminum (Al) 0.5 ppm maximum 0.5 ppm maximum
Sodium (Na) 0–1,000 ppm 0–1,000 ppm
Silica (SiO
2
) 0–150 ppm 0–150 ppm
Zinc (Zn) 1.0 ppm maximum 1.0 ppm maximum
Manganese (Mn) 0.1 ppm maximum 0.1 ppm maximum
Phosphate Ortho- (PO
4
) 3 ppm 3 ppm
Nitrite (NO
2
) 700–1,200 ppm 700–1,200 ppm