General Information
7
PV Module Monocrystalline Bi-Facial Module Installation Guide
Junction Box Style and Wiring Method
Table 2 displays images of the various Junction box styles and illustrations of the associated and recommended wiring
methods.
Table 2: Junction Box Style and Wiring Methods
Junction Box Location Icon
Recommended Wiring Method
Vertical Installation: Standard Cable length
:
(Note: An extension cord is required at the rotor head of the double row
assembly and the end of the single row.)
Horizontal Installation:
60 type PV module cable length
≥
1.2m, 72 type PV module cable length
≥
1.4m, 78 type PV module cable length
≥
1.5m
Regular Safety
The application level of the SolarEdge Monocrystalline Bi-Facial module is Class
Ⅱ
, which can be used in systems
operating at > 50 V DC or >240 W, where general contact access is anticipated.
When the modules are intended for rooftop application, it is necessary to take the overall fire rating of the finished
structure as well as operation and maintenance into account. The roofing PV system shall be installed after being evaluated
by construction experts or engineers and with official analysis results for the entire structure. It shall be proved capable of
supporting extra system bracket pressure, including PV module weight.
For your safety, please do not work on the roof without PPE (Personal Protective Equipment) which includes but is not
limited to protection from falling, ladder or stairs, and personal protective measures.
For your safety, please do not install or handle modules in unsafe conditions including but not limited to strong wind or
gust, damp, or sandy roofs.
Electrical Performance Safety
PV modules can produce DC current under illumination, any contact of the exposed metal of the modules connection wires
may result in electrical shock or burn. Any contact of 30V or larger DC Voltage can be fatal.
In case of no connected load or external circuits, modules can still produce voltage. Please use insulation tools and wear
rubber gloves when operating modules in the sunlight.
The PV modules do not have a switch. Operating of PV modules can only be stopped when they are kept from sunlight or
covered by a hard-board or UV-proof materials or when the angle of the modules facing the sun is placed on smooth and
flat surfaces.
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