Design Guide | iC7 Series Liquid-cooled System Modules
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When there are no longer air bubbles coming out from the hose hanging over the container, the system module is
filled.
12. To exhaust the last air out of the cooling system, stop the filling pump for 10 s and restart it.
13. Stop the filling pump.
14. Close the valves A (V212) and B (V213) of the cooling module.
15. Close the valves V5, V6, V7, and V8 of the first system module (M1).
16. Repeat the steps 7.-14. for each of the system modules in turn.
17. Open the valve A (V212) of the cooling module.
18. Open the pump shut-off valve C (V112 if you have the option +SAP1, V112 and V113 if you have the option +SAP2).
19. Open the de-airing valve D (V218) of the cooling module.
20. Put a container under the hose that is attached to the de-airing valve D (V218).
21. Start the filling pump P
f
.
22. Wait until liquid comes out of the de-airing valve D (V218).
23. Close the de-airing valve D (V218).
24. Keep on filling until the specified liquid surface or system pressure is reached.
If you have a Danfoss cooling module, keep on filling until the liquid surface reaches the default level marked in the
indication pipe of the expansion vessel.
25. Stop the filling pump.
26. Adjust the correct pressure or liquid surface level according to the cooling module manual.
If you have a Danfoss cooling module, adjust the correct system pressure via the pneumatic connection of the expansion
vessel.
27. Close the valves A and B (V212 and V213) of the cooling module.
If you have a Danfoss cooling module, also close the valve V211 which is in series with V212.
28. Open all the valves of all the system modules.
To ensure equal coolant flow to each system module, open the valves equally.
29. Start the pump P of the cooling module and let it run for a few minutes.
If the pressure of the cooling system drops, add more coolant or adjust the pressure in the cooling system according to the
instructions in the steps 7.-14. and 26.
30. Detach the filling pump P
f
and the hoses connected to the valves A and B (V212 and V213).
31. Start the cooling module.
32. Stop the cooling module for 10 s and restart it. Repeat if necessary.
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The cooling system is now ready for operation.
Danfoss Drives Oy © 2024.03 AJ475942178716en-000101 / 172K2848A | 61
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