Studer Innotec SA
next3
Technical user manual V1.3 © Studer-Innotec SA 7
3.2 IMPORTANT SAFETY INSTRUCTIONS
This manual contains important safety instructions. Please read carefully the safety and operation
instructions before using a next3 device. Take into consideration all the warnings mentioned both on
the equipment and in this manual, following all the instructions regarding the operation and use.
The installation and commissioning of the next3 must be entrusted to qualified personnel. The
installation and use must comply with the local safety instructions, laws, and standards in force in the
country.
Do not excess the maximum rated characteristics of the equipment shown on the Type label and in
the datasheet.
HIGH-VOLTAGE DC AND AC INSIDE THE DEVICE: DANGER OF DEATH
When the next3 is under operation, it generates voltages that can be potentially
lethal (up to 900Vdc and 400Vac). Any work on or close to the installation must be
carried out only by thoroughly trained and qualified personnel. Do not try to carry
out ordinary maintenance on this product yourself.
The next3 is in overvoltage category III (OVCIII) on AC side, in accordance with the
safety standard IEC/EN 62109-1.
While working on the electrical installation, it is important to make sure that the
source of DC voltage coming from the battery as well as the source of DC voltage
coming from the photovoltaic generator, have been disconnected from the
electrical installation.
Be also certain the sources of AC voltage coming from a generator or network have
been disconnected from the electrical installation.
Even when the next3 is disconnected from the power sources, a potentially
dangerous voltage may remain at the terminals. To eliminate this, you must wait for
at least 120 seconds to allow the electronics to discharge.
After disconnection, check all the terminals voltage with a multimeter in AC and DC
modes. The connections compartment can then be opened and the task carried
out safely. All other cover parts of the device shall never be opened without written
authorisation of Studer Innotec SA company.
The next3 can be installed at altitudes up to 3000m. For installations at higher
altitudes, please contact Studer Innotec SA.
Nobody is authorized to proceed with any change, modification, or repair of the equipment without
the prior written authorisation of Studer Innotec. Use only original parts for any authorised
modification or replacement.
3.3 QUALITY AND WARRANTY
During the production and assembly of the next3, each unit undergoes several checks and tests
which strictly comply with established procedures and device safety requirements. The
manufacturing, assembling, and testing of each next3 are entirely carried out in our factory in Sion
(CH). The warranty for this equipment depends upon the strict application of the instructions in this
manual.
The next3 inverter has a six (6) years warranty (starting from the date of purchase) against material
and manufacturing defaults. The defective product will be either repaired or replaced at the
discretion of Studer Innotec. A warranty extension up to 12 years is possible with the Studer Care
program, giving also other advantages.
3.3.1
Exclusion of warranty
No warranty claims will be accepted for damages resulting from handling, use or treatment that are