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Fronius Symo 3.0-3-S Instrucciones De Instalación página 5

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Safety EN
WARNING! Incorrect operation or poorly executed work can cause serious injury or damage.
Only qualified staff are authorised to commission your inverter and only within the scope of
the respective technical regulations. Read the safety rules before commissioning the equip-
ment or carrying out maintenance work.
WARNING! An electric shock can be fatal. Danger due to grid voltage and DC voltage from
solar modules that are exposed to light.
-
Ensure that both the AC side and the DC side of the inverter are de-energised before car-
rying out any connection work.
-
Only an authorised electrical engineer is permitted to connect this equipment to the pu-
blic grid.
WARNING! An electric shock can be fatal. Danger due to grid voltage and DC voltage from
solar modules.
-
The DC main switch is only to be used to de-energise the power stage set. The connection
area is still live when the DC main switch is switched off.
-
Ensure that the power stage set and connection area are disconnected from one another
before carrying out any maintenance or service tasks.
-
The power stage set, which is enclosed in a separate housing, must only be disconnected
from the connection area when in a de-energized state.
-
Maintenance and servicing in the power stage set of the inverter must only be carried out
by Fronius-trained service technicians.
WARNING! An electric shock can be fatal. Danger due to residual voltage in capacitors. Wait
for the capacitors to discharge. The discharge time is five minutes.
WARNING! An inadequate ground conductor connection can cause serious injury or damage.
The housing screws provide a suitable ground conductor connection for grounding the hou-
sing and must NOT be replaced by any other screws that do not provide a reliable ground con-
ductor connection.
CAUTION! Risk of damage to the inverter from dirt or water on the terminals and contacts of
the connection area.
-
When drilling, ensure that terminals and contacts in the connection area do not become
dirty or wet.
-
Without a power stage set, the mounting bracket does not conform to the protection
class of the inverter as a whole and so must not be installed without the power stage set.
The mounting bracket should be protected from dirt and moisture during installation.
CAUTION! Risk of damage to the inverter as the result of incorrectly tightened terminals. In-
correctly tightened terminals can cause heat damage to the inverter that may result in a fire.
When connecting AC and DC cables, ensure that all the terminals are tightened to the speci-
fied torque.
CAUTION! Risk of damage to inverter from overload.
-
The maximum amperage when connecting to a single DC terminal is 32 A.
-
Connect the DC+ and DC- cables to the DC+ and DC- terminals on the inverter, taking
care to ensure that the polarity is correct.
-
The maximum DC input voltage must not exceed 1000 V DC.
5

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