General safety precautions, Personal safety, Safety equipment – Xantrex Technology PV225S-480-P User Manual

Page 10: Wiring requirements

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Safety

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General Safety Precautions

1.

When installing the PV225S use only components recommended or sold by
Xantrex. Doing otherwise may result in a risk of fire, electric shock, injury to
persons, and will void the warranty.

2.

Do not attempt to operate the PV225S if it has been dropped, or received more
than cosmetic damage during transport or shipping. If the PV225S is
damaged, or suspected to be damaged, see the Warranty for this unit in the
PV225S 225 kW Grid-Tied Photovoltaic Inverter Operation and Maintenance
Manual.

3.

To reduce the risk of electrical shock, lock-out and tag the PV225S before
attempting any maintenance, service, or cleaning.

Personal Safety

Follow these instructions to ensure your safety while working with the PV225S.

Safety Equipment

Authorized service personnel must be equipped with standard safety equipment
including the following:

Safety glasses

Ear protection

Steel-toed safety boots

Safety hard hats

Padlocks and tags

Appropriate meter to verify that the circuits are de-energized
(600 Vac and DC rated, minimum)

Check local safety regulations for other requirements.

Wiring Requirements

1.

All wiring methods and materials shall be in accordance with the National
Electrical Code ANSI/NFPA 70. When sizing conductors and conduits
interfacing to the PV225S, both shall be in accordance with the National
Electric Code ANSI/NFPA 70, as well as all state and local code
requirements.

2.

Use copper conductors only with insulation rated for 90 °C.

3.

The PV225S has a three-phase output. It is marked with this symbol:

4.

The AC power conductor wiring interfacing with the AC terminals in the
Transformer Enclosure are located at T6-X1, T6-X2, and T6-X3. These
terminals should be tightened to a torque value of 420 in-lbs (47.5 Nm).
Conductors terminated to these terminals must use a crimp-on type ring

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