Safety and Responsibility8
Symbols and Warnings on the Product
REFUsol 100K
982059/02
2020-11
∘ Ground the metal supporting frame of the PV mod-
ules using potential equalization.
∘ Only use class A PV modules according to
IEC 61730.
∘ Connect all cables properly.
∘ Before switching on, check the AC and DC voltages
and polarity. Observe the information on the data
sheet or type plate.
∘ Take appropriate precautions to protect against
electrostatic discharge (ESD).
∘ Always be careful around this equipment.
∘ Never remove the PowerUnit (inverter) cover.
∘ To ensure safe operation, carry out all work profes-
sionally, including transport, storage, assembly, in-
stallation and operation.
2.3 Symbols and Warnings on the Product
Fig. 2: Symbols on the product
1 General warning
2 Warning of electrical voltage
3 Warning of hot surface
4 Follow the instructions before
use
5 Ground before use
6 Warning of electrical voltage on
AC and DC side. All strings on
the DC side are live
7 Unlock before main-
tenance or repair
8 Discharge time of 2
minutes
9 Warning of a de-
vice's susceptibility
to electrostatic dis-
charge
1 2 3
9876
4 5
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