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4.4 ELECTRICaL INsTaLLaTIoN
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Do not connect PV modules of different configurations and electrical characteristics in series.
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Before making or breaking electrical connections cover PV modules with an opaque material.
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Check all electrical connections are snapped-in tight.
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YGE PV module junction boxes must not be opened. Doing so will void the warranty.
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Return YGE PV modules with defects to your distributor.
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Do not connect YGE PV modules or strings in parallel without using series fuses.
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YGE PV modules come pre-wired and terminated ready for most installations. Each module has two stranded sunlight
resistant output cables each terminated. The positive (+) terminal has a female connector while the negative (-) terminal
has a male connector. The module wiring is for series connections only, i.e. female (+) to male (-) interconnections.
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Under normal conditions, a photovoltaic module is likely to experience conditions that produce more current and/or
voltage than reported at standard test conditions. Accordingly, the values of I
be multiplied by a factor of 1.25 when determining component voltage ratings, conductor current ratings, fuse sizes, and
size of controls connected to the PV output.
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When connecting module in series be aware that the module voltages will be summed. The maximum number of PV
modules being connected in series must be calculated in line with the applicable regulations in such a way that the
specified maximum system voltage of the PV module and all other electrical DC components will not be exceeded in
open-circuit operation at lowest possible temperature reported from the area.
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For field wiring YGE recommends installers use only cables qualified for DC wiring in PV systems per TÜV standard 2 Pfg
1169. The minimum lead cross section shall be 4 mm
4.5 GRouNdING
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Regard national and local regulations when integrating a PV system into an existing lightning protection system.
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Proper grounding is achieved by connecting the module frame(s) and structural members continuously one to another
using a suitable copper grounding conductor. The grounding conductor must make a connection to earth using a suitable
earth ground electrode.
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Do not drill additional holes into the frame rails.
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Even when applicable regulations, code requirements and standards do not require safety-related grounding, YGE
recommends grounding of all module frames in order to ensure voltage between frames and ground is zero under all
circumstances.
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The long frame rails have pre-drilled holes in their center marked with a grounding sign. These holes shall be used for
grounding purposes and must not be used for mounting the modules to the support structure.
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Use M6 stainless steel bolts and nuts to fasten the terminal lug of the grounding wire to the frame rail. Make sure to
break through the frame anodizing by using a stainless steel tooth washer between the lug and the frame surface (see
SUPPLEMENT)
5.
oPERaTIoN
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Depending on local utility policies, the connection to the grid and start-up of the PV system may only be performed by an
authorized installer.
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Check the requirements with your installer.
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For standard operation the separate „OWNER'S OPERATION & SAFETY MANUAL" applies.
and V
marked on these modules should
SC
OC
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