80448608 Rev B
15
EN
such as cooling processes they are not a major concern.
If they create problems with clogging, commercial shock
treatment are available.
To ensure good operation life and performance of the
compressor cooling system, the recommended acceptable
ranges for different water constituents are included below:
Cooling Water Analysis Chart
Substances Test
interval
Acceptable
concentration
Corrosivity
(Hardness, pH, Total
Dissolved Solids,
Temperature at inlet
Alkalinity)
Monthly — if
stable for 3 to 4
months, analyse
quarterly.
Langelier Index
0 to 1
Iron Monthly
<2
ppm
Sulphate Monthly
<50
ppm
Chloride Monthly
<50
ppm
Nitrate Monthly
<2
ppm
Silica
Monthly
< 100 ppm
Desolated Oxygen
Daily — if
stable,analyse
weekly
0 ppm (as low as
possible)
Oil & Grease
Monthly
<5 ppm
Ammonia Monthly
<1
ppm
OUTDOOR SHELTERED INSTALLATION
Nirvana compressors are not suitable for outdoor installation.
Installing a Nirvana compressor outside voids the warranty of
the compressor.
INSTALLATION