NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
3.5.6 (Optional) Leakage Test with Nitrogen
Context
Install a reducing valve at the outlet of the nitrogen cylinder. The outlet pressure
of the reducing valve must be not more than 0.8 MPa.
Procedure
Step 1 Rotate the chilled water valve to the maximum openness (100%).
Step 2 Check that the needle valves and exhaust valves on the pipeline are closed.
Step 3 Connect the reducing valve and nitrogen cylinder to the following needle valve,
inject 0.8 MPa (when the pressure is stable) nitrogen, and leave them for 24
hours.
Figure 3-31 Upflow
Issue 07 (2021-12-30)
inlet to facilitate maintenance. The water pressure should be in the range of
100–700 kPa. The water should be free from large particles.
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