Atlas Copco GA 110 VSD+ - Page 77

RSI Chloride
limit
Water condition Maximum 65°C / 149°F
6.9<RSI<7.5 350 ppm Slight corrosion Water treatment not
necessary.
Occasional inspection
recommended.
7.6<RSI<9.0 200 ppm Strong corrosion Regular control necessary.
Use of corrosion inhibitor
recommended
9.1<RSI<11 200 ppm Very strong corrosion Regular control necessary.
Use of corrosion inhibitor
recommended
RSI>11 200 ppm Very strong corrosion Water cannot be used.
Closed loop system
RSI Chloride
limit
Water condition Maximum 65°C / 149°F and
95°C / 203°F
RSI<3.9 200 ppm Very high scale formation Water cannot be used.
4.0<RSI<5.5 200 ppm High scale formation Treat water to reduce scaling
character
5.6<RSI<6.2 350 ppm Slight scale formation Water treatment not
necessary.
Occasional inspection
recommended.
6.3<RSI<6.8 500 ppm Neutral water Water treatment not
necessary.
Occasional inspection
recommended.
6.9<RSI<7.5 350 ppm Slight corrosion Water treatment not
necessary.
Occasional inspection
recommended.
7.6<RSI<9.0 200 ppm Strong corrosion Regular control necessary.
Use of corrosion inhibitor
recommended
9.1<RSI<11 200 ppm Very strong corrosion Regular control necessary.
Use of corrosion inhibitor
recommended
RSI>11 200 ppm Very strong corrosion Water cannot be used.
Instruction book
9829 3178 63 75