Pv Array Requirements - Xantrex GT2.5-NA Owner's Manual

PV Array Requirements

General Recommendations
Equipment and Installation Recommendations
Equipment
recommendations
Installation
recommendations
975-0245-01-01
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Debris free • Excessive debris (such as dust, leaves, and cobwebs) can
accumulate on the unit, interfering with wiring connections and
ventilation. Do not install in a location where debris can
accumulate (under a tree, for example).
WARNING: Shock hazard
Whenever a PV array is exposed to sunlight, a shock hazard exists at the output wires or
exposed terminals. To reduce the risk of shock during installation, cover the array with an
opaque (dark) material before making any connections.
It is important that the PV array is installed correctly to the manufacturer's
specifications and to local code requirements.
Important:
The PV array should be free of shade. This requirement includes even
small obstructions such as vent pipes, chimneys and power lines. A small amount of shade
can have a disproportionately high impact on system performance.
• All electrical equipment should be listed for the voltage and current ratings
necessary for the application.
• All wiring should be sized correctly to minimize voltage drop.
• All exposed wires or conduits should be sunlight resistant.
• All required overcurrent protections should be included in the system and
accessible for maintenance.
• Depending on the installation, an external disconnect may be required if the
inverter is installed in a location not easily accessible to utility or fire
personnel. Consult local authorities for additional information.
• Integral roofing products should be properly rated.
• All electrical terminations should be fully tightened, secured, and strain
relieved as appropriate.
• All mounting equipment should be installed according to the manufacturer's
specifications.
• All roof penetrations should be sealed with an acceptable sealing method that
does not adversely impact the roof warranty.
• All wires, conduit, exposed conductors and electrical boxes should be secured
and supported according to code requirements.
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Planning the Installation
2–5