92 Installation checklist
Checklist
Do the steps in Electrical safety precautions on page 12 before you start the work. Go
through the checklist together with another person. Refer also to the Commissioning and
maintenance manual and the Firmware manual.
Make sure that …
Mechanical installation (refer to chapter Mechanical installation)
There is sufficient free space around the unit.
The ambient operating conditions are in the permitted range.
The unit is properly fastened to the foundation.
The cooling air is able to flow freely.
Electrical installation (refer to chapter Electrical installation)
The inverter is grounded properly and the earthing electrodes are constructed properly.
The AC line voltage matches the nominal output voltage of the inverter.
The AC transformer is suitable for use with the inverter.
The insulation of the assembly is sufficient (refer to Insulation test on page 77).
The AC power system is an IT (ungrounded) system.
The AC power connections at L1, L2 and L3 and their tightening torques are correct.
The DC power cable connections at DC+ and DC– and their tightening torques are correct.
The auxiliary and control cables are routed away from the power cables (refer to Routing the cables on
page 79).
The auxiliary power supply cable connections from the inverter at 0X10, 0X12 and 0X13 and their
tightening torques are correct.
The external control connections to the inverter are correct (including the fieldbus and connections at
0X20).
The cable connections at the junction box and their tightening torques are correct.
There are no tools, foreign objects or dust in the cabinet.
All of the shrouds and covers are in place.
Before you set the voltage to on, temporary grounding equipment is disconnected.
To Next Page
Loading...
