EN
21.11 - 6755517_05
26
19. HYDRAULIC CIRCUITS OF PRINCIPLE
19.1.
HYDRAULIC CIRCUIT FOR INTERNAL AND EXTERNAL ANL "H" (
standard
)
System: Chiller with plate heat exchanger
PH
7.5-9
Electric conductivity
10-500μS/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
Differential pressure switch
3
Water temperature probe
4
Water filter
5
Air vent valve
HYDRAULIC COMPONENTS RECOMMENDED EXTERNAL TO UNIT
(RESPONSIBILITY OF THE INSTALLER)
5
Air vent valve
6
Anti-vibration joints
7
Cut-off 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
13
