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The application level of LONGi Solar 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 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 construc-
tion 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 include but not limited
3.3 Regular Safety
Figure 3 Junction Box Style and Wiring Method
to fall protection, ladder or stair 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.
Junction Box Location Icon
Recommended Wiring Method
Vertical installation:
Method 1: Standard cable length Method 2: Single component cable
length ≥1.2m
Horizontal Installation: Standard cable length
