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PVI 1800/PVI 2500(Rev A)
Installation and Operation Manual
1 Introduction
The PVI 1800/PVI 2500 is a residential/commercial single phase, grid-tied PV inverter designed to be
inter-connected to the electric utility grid. With this manual the PVI 1800/PVI 2500 can be installed and
operated safely. This installation guide is used as reference for the commissioning and as a guideline on
how to use the inverter most effectively.
Feeding power into the grid involves conversion of the DC-voltage from the PV-array to grid compatible
AC-voltage by "inverting" DC to AC. This unit feeds power into a standard 240 VAC split phase
electrical system or two legs (phase to phase) of a 208 VAC, 3-phase commercial, industrial or
institutional facility's electrical system that is connected to the electric utility grid.
If the PV system and inverter are providing the same amount of electrical power that the facility is using
then no power is taken from or fed into the utility grid. If the facility is using more power than the PV
system is providing, then the utility grid provides the balance of power. If the facility is using less power
than the PV system is generating, then the excess is fed into the utility grid.
Be sure to look into local regulations regarding net metering/inter-connection in your local area. Note
that some utilities need to change their revenue kWh meter for proper net metering measurement or
incentives/billing.
Photovoltaic
PVI 1800/PVI 2500
Electric Utility
Array
Grid
Inverter
Fig. 1 Grid tied inverter application
5
DOCR-070570-A
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