14
HYDRAULIC CIRCUITS - WATER CHARACTERISTICS
System: Chiller with plate heat exchanger
PH 7.5-9
Electric conductivity 10-500S/cm
Total hardness 4.5-8.5°dH
Temperature < 65°C
Oxygen content < 0.1 ppm
Max. glycol amount 50%
Phosphates (PO4) < 2ppm
Manganese (Mn) < 0.05 ppm
Iron (Fe) < 0.3 ppm
Alkalinity (HCO3) 70 - 300 ppm
Chloride ions (Cl-) < 50 ppm
Sulphate ions (SO4) < 50 ppm
Sulphide ion (S) none
Ammonium ions (NH4) none
Silica (SiO2) < 30ppm
Standard unit H
Unit
Unit
Components not provided and responsibility of the installer
Components not provided and responsibility of the installer
Unit with HX inverter pump
Components as standard
1 Plate heat exchanger
2 Water temperature sensors (IN/OUT)
3 Pressure relief valve
4 Flow switch
5 Water lter (as standard)
Components not provided and responsibility of the installer
6 Anti-vibration joints
7 Circulator
8 Air drain valve
9 Storage tank
10 Antifreeze electric heater
11 Expansion vessel
12 Pressure gauge
13 Flow shut-o valves
Components as standard
1 Plate heat exchanger
2 Water temperature sensors (IN/OUT)
3 Circulator
4 Pressure relief valve
5 Flow switch
6 Expansion vessel
7 Water lter (as standard)
Components not provided and responsibility of the installer
8 Anti-vibration joints
9 Air drain valve
10 Storage tank
11 Antifreeze electric heater
12 Pressure gauge
13 Flow shut-o valves
1
2
2
4
6
6
13
13
9
10
8
11
5
7
3
12
1
2
2
5
13
13
10
11
7
3
4
12
6
8
8
WATER CHARACTERISTICS
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