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ABB UNO-DM-4.0-TL-PLUS - Opening the

ABB UNO-DM-4.0-TL-PLUS
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- 60 -
000689AG
5 - Installation
Opening the front cover
WARNING! ELECTRIC SHOCK HAZARD! Hazardous voltages may
be present inside the inverter. The access to the internal zones of
the inverter must be carried out after a minimum waiting time of 5
minutes since the inverter was disconnected from the grid and from
the photovoltaic generator.
The main connections are made on the lower part (outside) of the in-
verter. If required, install the accessories and make the necessary con-
nections, unscrew the 8 screws using a TORX T20 key and open the
front cover
05
; while removing the screws, pay special attention since
additional screws are not supplied..
Do not open the inverter in the case of rain, snow or a high level of humidity (>95%)
Caution! It’s necessary to hold the front cover during the screws removal to avoid his falling
(the front cover isn’t secured to the inverter’s chassis).
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