26
21.05 – 5167557_02
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 0300-0700 (P1-P2-P3-P4)
Components as standard
1
Plate heat exchanger
2
Water temperature sensors (IN/OUT)
3
Flow switch
4
Expansion vessel
5
Air drain valve
6
Water filter
7
Pump (P1-P3: Single pump / P2-P4: Pump + stand-by pump)
8
Check valve
9
Drain valve
Components not provided and responsibility of the installer
10 Anti-vibration joints
11 Drain valve
12 Pressure gauge
13 Flow shut-off valves
14 Expansion vessel
15 Air drain valve
16 Safety valve
17 Loading unit
18 Storage tank
19 Antifreeze electric heater
6
1
2
2
5
16
3
12
9
11
10
10
13
13
13
7
18
19
15
17
14
4
7
8
8
7
P2-P4
Summary of Contents for NRK 0150 A
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