22
21.05 – 5167557_02
MAIN HYDRAULIC CIRCUITS
System: Chiller with plate heat exchanger
PH
7,5 - 9
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)
< 30 ppm
WATER CHARACTERISTICS
NRK 0150 (00)
Components as standard
1
Plate heat exchanger
2
Water temperature sensors (IN/OUT)
3
Pressure relief valve
4
Water filter
5
Air drain valve
6
Flow switch
Components not provided and responsibility of the installer
7
Anti-vibration joints
8
Pump
9
Air drain valve
10 Pressure gauge
11 Expansion vessel
12 Storage tank
13 Antifreeze electric heater
14 Drain valve
15 Flow shut-off valves
16 Loading unit
4
1
2
2
5
9
6
7
7
15
15
15
8
12
13
9
3
10
10
11
14
16
Summary of Contents for NRK 0150 A
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