Chapter 5, Replacing And Adding System Components; Modifying An Existing Installation - SolarEdge SE3000 Installation Manual

Chapter 5
Replacing and Adding System
Components

Modifying an Existing Installation

This section describes how to modify an existing installation that has been
operating properly for a while.
►
To modify an existing installation:
1
Shut down the inverter by turning OFF its ON/OFF switch and the DC switch
of the main circuit board. The inverter goes into Shutdown mode and
displays the following message:
D C V O L T A G E
D O
V D C :
This message is displayed until the DC is safe. The default safety voltage is
50 V.
WARNING!
Do not touch the DC power connections until the DC voltage is at a safe level.
Doing so may cause personal damage, damage to the device and/or danger of
fire.
2
Switch off the AC to the inverter.
WARNING!
If you cannot see the inverter panel, or there is a malfunction indicated on the
LCD panel, then switch off the AC to the inverter and wait five minutes for the
input capacity of the inverter to discharge.
3
You can now add or remove power optimizers, add or remove strings, change
connections of power optimizers or strings or replace the inverter.
Replacing and Adding System Components
SolarEdge Installation Guide – MAN-01-00057-2.0
N O T D I S C O N N E C T !
N O T S A F E !
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