General; Photovoltaik (Pv) System Equipped With Rapid Shutdown; Safety - Fronius Rapid Shutdown Box - Duo Instructions D'installation

General

PHOTOVOLTAIK According to the standard CSA C22.2 No.330-17, this product was developed as
(PV) SYSTEM a part of a "PHOTOVOLTAIK (PV) SYSTEM EQUIPPED WITH RAPID SHUT-
EQUIPPED DOWN".
WITH RAPID
SHUTDOWN

Safety

Incorrect operation and incorrectly performed work can cause serious injury
and property damage.
Only qualified staff are authorized to commission the Rapid Shutdown Box (RSB)
and only within the scope of the respective technical regulations. Do not start up
or carry out maintenance work until you have read the safety rules.
Work performed incorrectly can cause serious injury and damage.
The Rapid Shutdown Box should only be installed and connected by licensed
electricians.
Follow the safety rules!
Before any installation or connection work is carried out, disconnect the AC sup-
ply to the inverter and the DC supply to the Rapid Shutdown Box.
An electric shock can be fatal.
Inadequately sized electrical components can cause serious injury and damage
to property.
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An inadequate ground conductor connection can cause serious injury and dam-
age to property.
The housing screws provide an adequate ground conductor connection for
grounding the housing and should not be replaced under any circumstances by
other screws that do not provide a reliable ground conductor connection.
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WARNING!
WARNING!
WARNING!
All electrical connections must be made in accordance with the National
Electrical Code, ANSI/NFPA 70, and any other regulations applicable to the
installation site.
Installations in Canada must be carried out in accordance with applicable
Canadian standards.
Only use copper wires for all spring-type terminals.
For all grounding cables and DC grounding wires, use a suitable thermal
class, min. 194 °F (90 °C).
See NEC table 250.122 for correct dimensioning of the grounding wires
Voltage drop and other considerations may mean larger cable cross sections
need to be used.
WARNING!