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7.
Installation
► Read chapter "5. Planning the installation",
page 31 and this chapter in full before
you start installation.
7.1
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
voltage remains 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 both DC disconnectores 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 happens when
light does not fall directly on the solar modules.
► Never disconnect the inverter from the solar
modules when it is under load.
► Turn both DC disconnectores 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.
Installation and operation manual M70A_260 Flex RPI703M26000 EU V1.1 EN 2022-08-02
WARNING
Electric shock
If the doors of the inverter are open, the IP65
degree of protection is no longer guaranteed.
► Only open the door when absolutely
necessary.
► Do not open the door if water or dirt might
enter the inverter.
► After work is completed, ensure that the
door is properly shut and tightened again.
Check that the door is properly sealed.
WARNING
Heavy weight
The inverter is heavy.
► Lift and carry the inverter with at least 2
people.
NOTICE
Water ingress.
► All sealing caps removed during installa-
tion should be stored for later use (e.g. (e.g.
transportation or storage).
NOTICE
Working in freezing conditions
In frosty conditions, the rubber seal of the front
door can freeze to the enclosure, tear when
opened and thus become leaky.
► Before opening the front door, defrost the
rubber seal with some warm air.
► Open the front door slowly.
7 Installation
Safety instructions
55
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