Danfoss VACON NX Commissioning And Maintenance Manual page 45

COMMISSIONING
1. Check that the HX-unit flow and temperature are within the given parameter values (no
alarms).
2. Check that there is no air left in the plate heat exchanger by carefully opening the manual
de-airing valve V162 and letting out a small amount (about 1 centilitre) of water.
3. Check that the PI11 pressure gauge is at about 1.5 bar.
4. Check that the maintenance valves to the AC drive
5. Check that the flow (refer to FTSA11 converting table above) is according to the connected AC
drive requirements.
6. Check that the primary circuit temperature is according to the setup value.
7. Check that there is no condensation in the main drive cubical. If there is condensation inside
the drive cubicles, the drives must be dried out before start-up.
After successfully performing the different steps of commissioning presented in chapter 3, the HX-
unit and the connected drives are ready to be moved from the commissioning stage to operation
mode. Troubleshooting information and unit service information is located in the last two chapters of
this manual. For further information contact your local distributor.
Local contacts: http:/ / dr ives.danfoss.com/ danfoss- dr ives/ local - contacts/
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