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DRYPOINT
®
RA III
4.3
Cooling water parameters, water-cooled models
Parameter
Min. ... max. water temperature
Min. ... max. water pressure
Required head pressure
PH value
Total hardness
Conductivity
Sulphates (SO
)
2-
4
Hydrogen carbonate / Sulphates (HCO
Ammonia (NH
)
3
Manganous ion (Mn
)
2+
Chlorides (Cl
)
-
Free chlorine
Oxygen content
Carbon dioxide (CO
)
2
Hydrogen sulphide (H
2
Phosphate (PO
)
3-
4
Ferric ion (Fe
)
3+
/ SO
)
2-
3
4
S)
Original installa�on and opera�on manual
Unit
Value
°C (°F)
+15 ... +30 (+59.0 ... +86.0)
bar(g) (psi(g))
3 ... 10 (43.5 ... 145.0)
bar (psi)
> 3 (> 43.5)
-
7,5 ... 9,0
°dH
6.0 ... 15
μS/cm
10 ... 1000
< 100
> 1
< 0,5
< 0.05
< 50
mg/l or ppm
< 0,5
< 0,1
< 50
< 0,05
< 2
< 0,5
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