Checks After Commissioning; Testing The Ac Drive After Commissioning; Run Test Without Load; Test A: Controls From The Control Terminals - Danfoss VACON NXS Series Operating Manual

Operating Guide | VACON® NXS/NXP Air-cooled

9.4 Checks after Commissioning

9.4.1 Testing the AC Drive after Commissioning

Context:
Before starting the motor, do these checks.
Prerequisites:
• Before the tests, make sure that it is safe to do each test.
• Make sure that the other workers near know about the tests.
Procedure
1. Make sure that all the START and STOP switches that are connected to the control terminals are in the STOP position.
2. Make sure that the motor can be started safely.
3. Set the parameters of group 1 (see VACON
To find the necessary values for the parameters, see the motor nameplate.
Set these parameters at a minimum:
• Motor nominal voltage
• Motor nominal frequency
• Motor nominal speed
• Motor nominal current
• Motor cos phi
4. Set the maximum frequency reference (that is, the maximum speed of the motor) to agree with the motor and the device that is
connected to the motor.
5. Do the following tests in this order:
A RUN test without the load, see
B Start-up test, see 9.4.3 Start-up Test
C Identification run, see

9.4.2 RUN Test without Load

Do either Test A or Test B.
•

Test A: Controls from the control terminals

• Test B: Control from the control panel
9.4.2.1 Test A: Controls from the Control Terminals
Context:
Do this RUN test when the control mode is I/O terminals.
146 | Danfoss A/S © 2020.02
®
All in One Application Manual) to agree with the requirements of the used application.
9.4.2 RUN Test without Load
9.4.4 Identification Run
Commissioning
AQ275638903263en-000301 / DPD00910