Danfoss DLX 4.6 Guide d'installation télécharger pdf (Page 24)

24 Installation Guide DLX series L00410622-01

NOTICE

Safety Equipment: The system installer is responsible for providing safety

equipment that meets the requirements for both the DC and AC operations to

protect the equipment and prevent personal injury.

2.6. Checks before Start Up



Mounting:

- Check that the bracket and the inverter are correctly mounted and secured.



PV wiring:

- Check that the PV cables are rated for the PV current and for the present

environmental conditions.

- Check that the wiring is performed according to local and national electrical

regulations.



Connection:

- Check that the PV conductors are correctly torqued to the DC terminals.

- Check that all connectors and cable glands are correctly tightened and sealed.



DC side:

- Verify that the PV open-circuit voltage (V

) does not exceed 600 V

- Check that the DC polarity is correct.



AC side:

- Verify that the AC conductors are correctly connected to the AC terminals.



Grounded conductors:

- Check that the grounded conductors are properly sized, and not fused or switched.



Jumpers:

- Check that the jumpers for the grounding setup and for the termination resistance

are correctly positioned according to the grounding setup.



Disconnects:

- Ensure that all current-carrying conductors on both the DC and AC sides have a

switch, and that the switch is located correctly and is readily accessible.



Overcurrent protection:

- Ensure that the overcurrent protection on both the DC and the AC sides are rated

correctly, and capable of being changed without touching live contacts.



Inverter cover:

- Ensure that no cables interfere with the sealing of the inverter lower cover, and fasten

the cover firmly to the housing. Recommended tightening torque is 1.0 Nm

CAUTION

Verify that the lower cover is correctly tightened, so that no moisture enters the

housing and damages the electronic components.

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Danfoss DLX 4.6 Guide d'installation Page 24

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