YASKAWA Solectria PVI 25TL-208 Installation And Operation Manual page 54

Commercial 1000vdc string inverters
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Installation and Operation Guide SOLECTRIA® PVI 25TL-208, PVI 50TL-480 and PVI 60TL-480
https://www.solectria.com/support/documentation/. The application note interconnection requirements take
precedence over the requirements stated in this manual.
The physical neutral conductor from the inverter to the point of interconnection is optional, but not recommended.
It is used by the inverter for voltage sensing only and does not carry current. Therefore, the neutral conductor size
may be reduced to a size no smaller than the EGC. These inverters have their ground and neutral terminals bonded
internally.
Neutral to Ground Jumper: Do not use a jumper between neutral and ground in the inverter wire box if the
neutral conductor is already connected ground at the point of interconnection (electrical panel or transformer).
Using a jumper with the neutral conductor connected may result in damage and void the warranty.
Electric Shock Hazard: Components with hazardous voltage and energy will electrocute operator. Operator shall
avoid touching live components with hazardous voltage and energy. Verify the absence of voltage using an
appropriately rated multimeter.
Always Wear Proper PPE: The proper Personal Protective Equipment (PPE) must be worn while working in
proximity to hazardous voltage and energy.
Conduit Installation: All conduit connections must be made in such a way as to maintain the NEMA 4X rating of
the enclosure. Failure to maintain the NEMA rating will void the warranty.
This section includes instructions to connect the AC conductors to the inverter and grounding options.
TOOL
5MM FLATHEAD SCREWDRIVER
#3 PHILLIPS-HEAD SCREWDRIVER
14MM HEX SOCKET HEAD WRENCH
DIAGONAL PLIERS OR CABLE CUTTERS
WIRE STRIPPING PLIERS
CRIMPING PLIERS / TOOL
Turn AC Switch to OFF: Verify the absence of AC voltage prior to landing any conductors.
Turn the external AC breaker OFF: Verify the absence of AC voltage prior to terminating any conductors.
DOCR-071030-A (10/7/2022)
Neutral Requirements
Electrical Installation AC, Method
Table 3-10 Electrical Installation AC, Tools Required
NOTICE!
DANGER
DESCRIPTION OF USE
Internal grounding bar
External grounding
AC terminal block
Cut cable
Remove conductor insulation
Crimp terminals
WARNING
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