16
HYDRAULIC CIRCUITS - WATER CHARACTERISTICS
WITHOUT HYDRONIC KIT
Components as standard
1
Plate heat exchanger
2
Water temperature sensors (IN/OUT)
Components not provided and responsibility of the
installer
3
Water filter (MANDATORY)
4
Anti-vibration joints
5
Flow shut-off valves
6
Pump
7
Pressure relief valve
8
Expansion vessel
9
Loading unit
10 Flow switch (MANDATORY)
11 Drain valve
12 Storage tank
13 Antifreeze electric heater
14 Drain valve
15 Pressure gauge
12
14
1
2
2
4
4
5
5
5
7
11
11
11
10
6
6
8
8
3
3
1
2
2
4
4
5
5
7
11
11
10
8
13
15
15
9
9
CONDENSER
EV
APOR
AT
OR
Water characteristics
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
