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2 Basic safety instructions
2.
Basic safety instructions
DANGER
Electric shock
Potentially fatal voltages are present in the
inverter during operation. When the inverter is
disconnected from all power sources, this volt-
age regrid in the inverter for up to 60 seconds.
You should therefore always carry out the fol-
lowing steps before working on the inverter:
1. Turn the AC/DC disconnector to the OFF
position.
2. Disconnect the inverter from all AC and DC
voltage sources and make sure that none
of the connections can be restored acciden-
tally.
3. Wait at least 60 seconds for the internal
capacitors to discharge.
DANGER
► Electric shock
► Potentially fatal voltages are present at the
DC connections of the inverter. When light
falls on the solar modules, they immediately
start to generate electricity. This also hap-
pens when light does not fall directly on the
solar modules.
► Never disconnect the inverter from the solar
modules when it is under load.
► Turn the AC/DC disconnector to the OFF
position.
► Disconnect the connection to the grid so
that the inverter cannot feed energy into the
grid.
► Disconnect the inverter from all AC and DC
voltage sources. Make sure that none of the
connections can be restored accidentally.
► Ensure that the DC cables cannot be
touched accidentally.
DANGER
Electric shock
The inverter has a high leakage current value.
► Always connect the ground cable first, then
the AC and DC cables.
●
To comply with IEC 62109-5.3.3 safety requirements and
avoid injury or material damage, the inverter must be in-
stalled and operated in accordance with the safety and op-
erating instructions set out in this manual. Delta Electronics
is not responsible for damage resulting from failure to follow
the safety and operating instructions set out in this manual.
●
The inverter may only be installed and commissioned by
installers who have been trained and approved for the in-
stallation and operation of grid-connected solar inverters.
8
●
All repair work on the inverter must be carried out by Delta
Electronics. Otherwise the warranty will be void.
●
Warning notices, warning symbols and other markings
attached to the inverter by Delta Electronics must not be
removed.
●
To avoid the risk of arcing, do not disconnect cables when
the inverter is under load.
●
To prevent damage due to lightning strikes, follow the ap-
plicable regulations in your country.
●
The surface of the inverter can get very hot during opera-
tion. Always wear safety gloves when touching the inverter
(except for the display).
●
All connections must be sufficiently sealed in order to en-
sure the IP65 rating. Seal any connections that will not be
used with the covering caps provided.
●
Only equipment in accordance with SELV (EN 60950) may
be connected to the RS485 interfaces.
Installation and Operation Manual for Power Inverter RPI M6A M8A M10A EU V4 EN 2020-07-13
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