11.7 Installing/replacing DC surge protection devices
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.
►
Perform the instructions listed in chap-
ter “10. Disconnecting the inverter from
the power supply before working on it”,
page 93
before
you start work on the
inverter!
11.7.1 Remove the DC surge protection device
Type 2 DC surge protection devices are installed
as standard. Type 1+2 combined DC surge pro-
tection devices can be ordered as accessories.
The procedure is the same for type 2 and
type 1+2 DC surge protection devices.
DC surge protection devices are supplied
without screws.
All
screws including spring washers and washers
of the old DC surge protection devices must be
reused for the new DC surge protection devices.
Use an insulated, strongly magnetic screwdriver.
The mounting screws must be pulled out and
inserted against a certain resistance. Make sure
that no screws fall down in the process.
1. Remove the cover from the DC surge protection devices.
117
11 Replacing or cleaning components, installing accessories
Installing/replacing DC surge protection devices
Installation and operation manual M70A_260 Flex RPI703M26000 EU V1.1 EN 2022-08-02
