General; Safety - Fronius Rapid Shutdown Box Quattro Operating Instructions Manual

General

Safety

Rapid Shutdown Box - Duo
WARNING! Incorrect operation and incorrectly performed work can cause seri-
ous injury and damage to property. Only qualified staff are authorized to commis-
sion the Rapid Shutdown Box and only within the scope of the respective
technical regulations. Read the safety rules before commissioning and perform-
ing maintenance work.
WARNING! 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.
WARNING! An electric shock can be fatal. Inadequately sized electrical compo-
nents can cause serious injury and damage to property.
- 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 Ca-
nadian standards.
- Use copper wire for all spring clamp terminals.
- Use min.194°F (90°C) copper wire for all grounding wires (see NEC table
250.122) and DC Output wires.
- Voltage drop and other considerations may mean larger cable cross sections
need to be used.
WARNING! An inadequate ground conductor connection can cause serious inju-
ry and damage to property. The housing screws provide an adequate ground con-
ductor connection for grounding the housing and should not be replaced under
any circumstances by other screws that do not provide a reliable ground conduc-
tor connection.
CAUTION! The following points must be observed in order to prevent damage to
the Rapid Shutdown Box:
- The technical specifications must be followed.
- The pressure compensation membrane (1) must not be used for cabling.
(1)
NOTE! Photovoltaic modules exposed to light supply energy to the Rapid Shut-
down Box when connected.
Rapid Shutdown Box - Quattro
(1)
5