Installation Manual: MEMC Silvantis 60 cell PV Modules
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© Copyright 2012 MEMC Electronic Material
4.5 MEChAnICAL InSTALLATIon wArnIngS
• Installation and maintenance should be performed by qualified personnel only.
• use insulated tools during installation, troubleshooting and maintenance of photovoltaic modules.
• Installers should adhere to all applicable local, regional, and national codes and regulations when designing and constructing
the photovoltaic system.
• do not stand or walk on any surface of the modules.
• Precaution should be taken to avoid damage to the glass surface with or without anti-reflective coating due to improper
handling during installation.
• Mechanical structures should not contact the module backsheet under any expected load conditions.
• Additional mounting holes may not be drilled in the frame, glass or backsheet.
• Ensure that frame weep holes (see Appendix 8.1) are not obstructed by the mechanical installation.
5.0 ELECTrICAL InSTALLATIon
5.1 PLAnnIng And dESIgn
•
All modules are manufactured with a sealed junction box and pre-attached cables and locking connectors. These
components should not be modified or tampered with in any way.
noTE: Installers should ensure that the polarized locking connectors are from the same supplier when connected on the
same string. we do not recommend mixing polarized interlocking connectors from different manufacturers—including
connections at the inverter, combiner boxes, and modules.
• Ensure connectors are clean and dry before establishing connection.
• Ensure that all wire, fusing and disconnects are appropriately sized for the system design according to national, regional, and
local codes.
• Electrical characteristics are within plus or minus 5% of rated values for Isc, voc, Impp and vmpp. Modules may operate
under conditions which may be significantly different than STC. MEMC suggests multiplying specified ratings by a minimum
of 1.25* or more when specifying the system and balance of system components. 1.25* refer to local codes before planning
and design of the system. for detailed electrical characteristics, please refer to Section 7.0, page 10 through 11 of this
Installation Manual.
• determine the maximum number of modules connected in series using the following formula: n
s
= vmax
s
/ voc
m
where:
n
s
equals the maximum modules in series
vmax
s
equals the maximum system voltage
vmax
s
is limited to a maximum of 1000 v for IEC and 600 v for uL
voc
m
equals the module open circuit voltage at coldest conditions for the site (refer to local codes)
wArnIng: Installers should adhere to all applicable local, regional, and national codes and regulations when designing and
constructing the photovoltaic system.
noTE: In colder climates, it may be necessary to further reduce the maximum number of modules in series by using voc
m
at the minimum expected operating temperature.
5.2 ModuLE wIrIng
• The module includes wires and polarized locking connectors from the junction box on the back of the module. The wires
have sufficient length to connect to adjacent modules in either a portrait or landscape configuration. field replacement of
connectors or cables must be avoided and it will invalidate the product warranty. Polarized locking connectors of the same
type and make are needed for all series string wiring. The maximum operating temperature of wires and connectors should
not exceed 85ºC.
