EN
21.11 - 6755517_05
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19. HYDRAULIC CIRCUITS OF PRINCIPLE
19.1. standard
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
COMPONENTS PROVIDED AS STANDARD
1 Plate heat exchanger
2 Dierential pressure switch
3 Water temperature probe
4 Water lter
5 Air vent valve
HYDRAULIC COMPONENTS RECOMMENDED EXTERNAL TO UNIT
(RESPONSIBILITY OF THE INSTALLER)
5 Air vent valve
6 Anti-vibration joints
7 Cut-o valve
8 Pump
9 Pressure gauge
10 Storage tank
11 Safety valve
12 Expansion tank
13 Drain tap
Unit
Components recommended
1
PT
2
3
3
4
5
5
5
6
6
7 7
7
8
9
9
10
11
12
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