Commissioning - Delta M88 Series Operation And Installation Manual

Grid-tie transformerless solar inverter
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Maintenance
5.4 De-Commissioning
If it is necessary to put the device out of operation for maintenance and / or
storage, please follow the instructions below.
To avoid any serious injuries, please follow the procedures:
- Switch off Manual Switch to shut down the inverter.
- Switch off AC circuit breaker to disconnect with electricity grid.
- Switch off the PV array switch to disconnect from the PV array.
- Use proper voltmeter to confirm that the AC and DC power are disconnected
from the unit.
- Remove the AC terminal immediately to completely disconnect from electricity grid.
- Remove the DC terminals to disconnect from PV Array.
- Remove the communication module RS-485 connection from the computer.
CAUTION : HOT SURFACES, DO NOT TOUCH !
- Please be careful of hot surfaces if the inverter is just shutting down.
- Do not perform any task until the product cool down sufficiently.
- The inverter weighs more than 80 kg (177 lb). The risk of injury may happen
when the inverter is carried incorrectly or dropped during transported or when
attaching or removing it from the wall mounting bracket.
- Please be careful of the screws and nuts after removing them. Do not leave
them at any corner inside the wiring box compartment.
DANGER : ELECTRICAL HARZARD!!
CAUTION : POSSIBILE INJURY !
ATTENTION
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