Technical Specification
2 --- 11
Hydrogen carbonate (HCO
3
) [mg/l] 70---300
Sulphate (SO
4
) [mg/l] < 70
HCO
3
/ SO
4
> 1
Electrical conductivity [
S/cm] 10---500
Ammonia (NH
3
) [mg/l] < 2
Dissolved magnesium (Mn) [mg/l] < 0.1
Dissolved aluminium (Al) [mg/l] < 0.2
Nitrate (NO
3
), dissolved [mg/l] < 100
Hydrogen sulphate (SO
2
) [mg/l] < 0.05
Free aggressive carbon dioxide (CO
2
) [mg/l] < 5
Glycol [%] < 50
Solids (particle size) [mm] < 0.1
Algae not allowed
Tab. 26 Water Quality Specification
If the heat transfer medium outlet temperature is to be kept constant, the
user must install an appropriate regulating device.
Heat Exchanger Specification
CSD 82 CSD 102 CSD 122
Maximum working pressure of the
heat transfer medium [bar]
10 10 10
Pressure drop [bar] < 0.1 < 0.1 < 0.1
Plate material 1.4401 1.4401 1.4401
Solder Cu Cu Cu
Maximum permissible temperature of
the heat transfer medium [˚ C]
100 100 100
Tab. 27 General specification of the heat exchanger
Flow rate and heat capacity by heating from 45˚ C to 70˚ C (equivalent to
T= 25 K),
(Option W2)
CSD 82 CSD 102 CSD 122
Flow rate [m
3
/h] 1.39 1.70 2.00
Max. heat capacity available [kW] 40.3 49.4 58.1
Max. heat capacity available [MJ/h] 145 178 209
Max. heat capacity available [kcal/h] 34669 42511 49940
Tab. 28 Flow rate and heat available (option W2)
Flow rate and heat capacity by heating from 15˚ C to 70˚ C (equivalent to
T= 55 K),
(option W3)
CSD 82 CSD 102 CSD 122
Flow rate [m
3
/h] 0.63 0.77 0.91
Max. heat capacity available [kW] 40.3 49.4 58.1
Max. heat capacity available [MJ/h] 145 178 209
Max. heat capacity available [kcal/h] 34669 42511 49940
Tab. 29 Flow rate and heat available (option W3)