2
Installation
Chapter 2 provides information about installing the SunPower Solar
Inverter. It contains information on determining a suitable location for
installation, PV array requirements, and procedures for mounting the unit.
Installation Options
The inverter may be installed as a single inverter for a single PV array of one to
three PV strings. Only SPR-5000x models can accept three PV strings. An
external fuse box may be required when three PV strings are connected.
The inverter can also be installed in a multiple inverter configuration. If multiple
inverters are used, each inverter must be wired to an independent PV array.
Communications between inverters can be enabled by installing network cabling
to the inverter RJ-45 ports. See “Connecting Network Cable Between Multiple
Inverters” on page 3–15.
Planning the Installation
Ensure that you have obtained all permits required by local authorities or utilities
before beginning installation.
Inverter Location
WARNING: Burn hazard
Do not install in a location where people can accidentally come into contact with the front
of the inverter. High temperatures can be present on the face of the inverter, causing a
potential burn hazard.
In extreme conditions, the inverter chassis can reach temperatures over 70° C (158° F),
which can cause skin burns if accidentally touched. Ensure that the inverter is located
away from normal traffic areas.
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