Maximum heat capacity
available
ASD 25
ASD 30
ASD 40S
ASD 40
[kcal/h]
14101
16578
20567
23732
Tab. 21 Heat capacity (option W1)
2.15.2 Option W2/W3
Internal heat recovery
Generally water is used as the heat transfer medium. The water must meet the specification given
below in order not to damage the heat exchanger.
➤ Consult authorized KAESER Service representative if you wish to use a different heat
transfer medium.
Water quality specification
Characteristics/content
Value
pH value
7,5–9
Hardness [°dH]
4,0–8,5
Chloride (Cl) [mg/l]
<150
Free chlorine gas (Cl
2
) [mg/l]
<1
Sulphite (SO
3
) [mg/l]
<1
Dissolved iron (Fe) [mg/l]
<0,2
Hydrogen carbonat (HCO
3
) [mg/l]
70–300
Sulphate (SO
4
) [mg/l]
<70
HCO
3
/SO
4
>1
Electrical conductivity [µS/cm]
10–500
Ammonia (NH
3
) [mg/l]
<2
Dissolved manganese (Mn) [mg/l]
<0,1
Dissolved aluminium (Al) [mg/l]
<0,2
Dissolved nitrate (NO
3
) [mg/l]
<100
Hydrogen sulphide (H
2
S) [mg/l]
<0,05
Free aggressive carbon dioxide (CO
2
) [mg/l]
<5
Glycol [%]
<50
Solids (particle size) [mm]
<0,1
Algae
Not permitted
Tab. 22 Water quality specification
Heat exchanger specification
ASD 25
ASD 30
ASD 40S
ASD 40
Material
1.4401
1.4401
1.4401
1.4401
Braze
Copper (Cu)
Copper (Cu)
Copper (Cu)
Copper (Cu)
2
Technical Data
2.15 Heat Recovery
9_5721 06 USE
Service Manual Screw Compressor
ASD T Tri-Voltage
11
Summary of Contents for ASD 25
Page 1: ...Service Manual Screw Compressor ASD T Tri Voltage 9_5721 06 USE...
Page 2: ...Original instructions KKW SASD 1 00 en 01 SBA SCHRAUBEN TRI VOLTAGE T SC...
Page 8: ...List of Illustrations vi Service Manual Screw Compressor ASD T Tri Voltage 9_5721 06 USE...
Page 10: ...List of Tables viii Service Manual Screw Compressor ASD T Tri Voltage 9_5721 06 USE...