Connecting The Cooling Water - Lauda IN 550 XT FC Operation Manual

4.6

Connecting the cooling water

V4
Data
Sulfate [SO 2-
4
Ratio hydrogen carbonate [HCO
fate [SO 2- ]
4
Total water hardness
Electrical conductivity
Sulfite (SO 2- )
3
Free chlorine gas (Cl
Nitrate (NO - )
3
Ammonia (NH
3
Iron (Fe), dissolved
Manganese (Mn), dissolved
Aluminum (Al), dissolved
Free aggressive carbon dioxide (CO
Hydrogen sulfide (H
Algae growth
Suspended matter
This section is relevant for:
Water-cooled devices
n
All water-cooled devices are equipped with the following cooling water con-
nection:
Exterior thread (male) G ¾ inch
n
Table 4: Cooling water data
Specification
Maximum cooling water
pressure
Cooling water temperature
Cooling water pressure dif-
ference
Integral process thermostats with flow control unit
]
- ] / sul-
3
)
2
)
)
2
S)
2
Value
10 bar
15°C recommended; 10 to 30°C permitted
(in upper temperature range with reduced
cooling output)
3 bar recommended, further information
under Ä Chapter 13.4 "Cooling output"
on page 154.
Value Unit
< 70 mg/L
> 1 ---
4.0 - 8.5 °dH
30 - 500 μS/cm
< 1 mg/L
< 0.5 mg/L
< 100 mg/L
Not permitted ---
< 0.2 mg/L
< 0.05 mg/L
< 0.2 mg/L
Not permitted ---
Not permitted ---
Not permitted ---
Not permitted ---
35 / 171