Atlas Copco ZR 200, Instruction Book, Page: 68 / 110

• closed loop
Reference Description
(1) Machine
(2) Heat exchanger
(3) Cooling tower
(4) Make up water
(5) Blowdown
(6) Standard Atlas Copco specification
• the application:
• standard (max water temperature 65°C / 149°F at the outlet)
• Energy Recovery (water temperature up to 95°C / 203°F)
Water quality
A full instruction for handling cooling water data is available at Atlas Copco.
In case water is not in line with recommended values or if any doubt, please refer to Atlas Copco.
Technical specifications
Parameter Unit Single Pass
(65°C /
149°F) Single Pass
(95°C /
203°F) Recirculating
(65°C / 149°F) Closed
System
(65°C /
149°F) Closed
System
(95°C /
203°F)
1 pH 6.8 - 9.3 6.8 - 9.3 6.8 - 9.3 7.5 - 9.3 7.5 - 9.3
2 Conductivity µS / cm < 1500 < 600 < 4000 < 1500 50 - 600
3 Total Dissolved
Solids mg / L TDS to be measured for calculating RSI.
4 Ca-hardness ppm
CaCO
3
< 500 < 2 < 500 < 1000 < 50
Instruction book
66 AIF999999