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8.2 De-installing the Inverter
De-install the inverter and wire box assembly according to the following steps
when the inverter needs to be removed:
1. Turn off the external AC breaker and/or system disconnect switch
using lock-out/tag-out procedures.
2. Turn off the external DC breaker and/or disconnect switch, if present,
and use lock-out/tag-out procedures.
3. Switch the inverter’s AC disconnect switch to “OFF” position.
4. Switch the inverter’s DC disconnect switch to “OFF” position.
5. Wait for 5 minutes to ensure the internal capacitors have been
completely discharged.
6. Measure the AC output conductor terminal voltage against the ground.
The meter should now read 0 V.
7. Disconnect the AC and PE cables referring to “3.3.4 AC and ground
connection”.
8. Disconnect the DC cables referring to “3.3.3 DC connection”. Caution:
if PV strings terminate directly in the wiring box and do not pass
through a breaker or switch that was opened in Step 2 these strings
may be energized.
9. De-install the inverter by reversing the installation steps found in
section 3.2 Mechanical Installation.
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