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4
ELECTRICAL CONNECTION
4.2 ELECTRICAL INSTALLATION SAFETY
Danger! Risk of fatal injury due to electric
shock!
Electrical work may only be performed by
Ä
qualified and skilled personnel (see page 3).
Ä
Ensure correct polarity.
Danger! Risk of fatal injury due to electric
shock!
Ä
Be sure to maintain the time intervals as
specified by the inverter manufacturer between
switching off the inverter and beginning any
further work.
18
18
INSTALLATION AND OPERATION MANUAL SOLAR MODULES Q.PEAK DUO XL-G10.2_G10.c – Q CELLS
Danger! Risk of fatal injury due to electric
shock!
Ä
Never plug or unplug the cable when under
load. Modules must not carry any current.
1.
Switch off the inverter.
EN
OFF
2.
Switch off the DC circuit breaker.
3.
Measure shutdown in DC String.
(no DC current flow).
4.
Disconnect plugs by the use of appropriate
and qualified tools of the manufacturer.
5.
When connecting the modules proceed in
reverse order.
4
ELECTRICAL CONNECTION
4.3 CONNECTION OF MODULES
Ä
Use solar cables for the connection at the
junction box outlet.
Ä
Only interconnect connectors of the same type and
manufacturer.
Ä
Use minimum 4 mm
copper wires insulated for
2
a minimum of 90 °C for field connections.
SOLAR
Danger! Risk of fatal injury due to electric
shock!
Ä
Ensure that all electrical components are in a
proper, dry, and safe condition.
Ä
Ensure for a tight connection between the
plugs. Plugs click together audibly.
EN
click
INSTALLATION AND OPERATION MANUAL SOLAR MODULES Q.PEAK DUO XL-G10.2_G10.c – Q CELLS
Note! Module damage may occur!
Ä
Ensure that the cabling is not under mechanical
stress (Comply with bending radius of ≥ 60 mm).
Ä
Ensure that the cables do not run between module
and mounting rail or structure (danger of pinch).
Ä
Do not connect modules with different
orientations or angles of inclination in the same
string.
Ä
To avoid complex cabling arrangements, it is
often advantageous to rotate some modules
180°.
Ä
Module orientation can clearly be identified
from the front side by the serial number and
barcode labelled behind the module glass on
the side with negative connection cable.
EN
Inverter
180°
180°
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