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NOTICE
Overheating of the machine as a result of additives in the cooling water
Additives for antifreeze or corrosion protection can have a negative impact on the heat
transporting properties. The machine can overheat.
● Only operate the machine with the contractually agreed cooling water quality.
See also
Service and Support (Page 171)
4.6.2
Coolant specification
Fresh water / processed seawater / industrial water
pH value
Chloride ions Cl
Sulfate ions SO
Sulfide ions S
Nitrate ions NO
Iron Fe
Ferromanganese ion Fe
Ammonia NH
Dissolved solids
Carbon hardness
Total hardness
Electrical conductivity
Size of entrained particles (sand)
Biological growth
°dH = German degree of hardness
See also
Inhibitors, anti-freeze, biocides (Page 36)
SIMOTICS FD 1LN1
Operating Instructions 01/2019
-
2-
4
2-
+
3
3+
Mn
3+
2+
, Ammonium NH
+
3
4
4.6 Coolant specification
6,5 ... 10
< 3000 mg/l
< 3000 mg/l
< 1 mg/l
< 50 mg/l
< 1 mg/l
< 50 mg/l
< 15 mg/l
< 340 mg/l
< 0.9 mmol/l (5°dH)
< 1.8 mmol/l (10°dH)
< 32000 μS/cm
< 0.1 mm
resistant
Preparations for use
35
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