KaCool D HC
Assembly, installation and operating instructions
7
2.2
Limits of operation and use
Limits of operation
Min./max. water temperature
°C
4-90
Min./max. air intake temperature
°C
6--40
Min./max. air humidity
%
20-60
Min. operating pressure
bar/kPa
-
Max. operating pressure
bar/kPa
10/1000
Min./max. glycol percentage
%
0-50
Tab. 1: Limits of operation
Operating voltage
230 V/ 50/60 Hz
Power/Current consumption
On the type plate
Tab. 2: Operating voltage
We would refer to VDI-2035 Sheets 1 & 2, DIN EN 14336 and DIN EN 14868 with regard to the properties of the medium
used to protect the equipment. The following values provide further guidance.
The water used should be free of contamination, such as suspended substances and reactive substances.
Water quality
pH value (at 20 °C)
8-9
Conductivity (at 20 °C)
μS/cm
< 700
Oxygen content (O
2
)
mg/l
< 0.1
Hardness
°dH
4-8.5
Sulphur ions
not measurable
Sodium ions (Na
+
)
mg/l
< 100
Iron ions (Fe
2+
)
mg/l
< 0.1
Manganese ions (Mn
2+
)
mg/l
<0.05
Ammonia ions (NH
4+
)
mg/l
< 0.1
Chlorine ions (CI)
mg/l
< 100
CO
2
< 50
Sulfate ions (SO
4
2-
)
mg/l
< 50
Nitrite ions (NO
2+
)
mg/l
< 50
Nitrate ions (NO
3+
)
mg/l
< 50
Tab. 3: Water quality
