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RSI < 5.5
5.6 < RSI < 6.2
6.3 < RSI < 6.8
6.9 < RSI < 7.5
7.6 < RSI
Cl
-
(ppm)
200
350
500
350
200
For energy recovery systems, the limit is 100 ppm.
7.
Sulphates (SO
4
2-
)
Sulphate (ppm)
Type of cooling system
Standard
Energy recovery
Single pass
< 1000
< 200
Recirculating (with tower)
< 1000
not applicable
Closed loop
< 400
< 200
8.
Iron and Manganese
Dissolved iron (ppm)
Dissolved manganese (ppm)
Type of cooling
system
Standard
Energy recovery
Standard
Energy recovery
Single pass
< 1
< 0.2
< 0.2
< 0.05
Recirculating (with
tower)
<
1
not applicable
<
0.2
not applicable
Closed loop
< 1
< 0.2
< 0.2
< 0.05
The values in
bold
are rejection limits.
9.
Copper
Copper (ppm)
Type of cooling system
Standard
Energy recovery
Single pass
< 1
< 0.2
Recirculating (with tower)
< 1
not applicable
Closed loop
< 1
< 0.2
10.
Ammonium
The limit of
0.5 ppm
is a rejection limit.
The limitation only applies for copper containing systems.
11.
Suspended solids
Large particles (size > 10 µm) should not be present as they can be filtered out.
Small particles (< 0.5 µm) are not taken into account.
For particles between 0.5 µm and 10 µm, the following limits apply:
Suspended solids (ppm)
Type of cooling system
Standard
Energy recovery
Single pass
< 10
< 1
Recirculating (with tower)
< 10
not applicable
Closed loop
< 10
< 1
12.
Oil or grease
<
1 ppm
(rejection value)
13.
Biology
Instruction book
2920 7109 23
93
Содержание GA 11 VSD+
Страница 1: ...Atlas Copco Oil injected rotary screw compressors GA 7 VSD GA 11 VSD GA 15 VSD Instruction book ...
Страница 2: ......
Страница 16: ...2 2 Flow diagram GA 7 VSD up to GA 15 VSD Workplace Instruction book 14 2920 7109 23 ...
Страница 88: ...Flow diagram of compressor with energy recovery system Instruction book 86 2920 7109 23 ...
Страница 136: ......
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