Solar Frontier SF135-S, Installation And Maintenance Manual

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SAB12-0429_08_Installation and Maintenance Manual SFxxx-S 11
Grounding Image:
Connect to earth ground from where the grounding sign is indicated.
Grounding (IEC) Grounding with washer (UL)
Use M4 bolt or standard gauge size #6 bolt. Tighten the bolts or screw with an adequate torque value. Please refer to further
instructions provided by the screw or bolt manufacturer.
UL: Recommended tightening torque is 1.5 N-m and 1.0N-m minimum for M4 and standard size #6 bolt respectively.
7.3 Electrical Wiring
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A set of cables with a plastic connector for each polarity is supplied with SF PV modules. Use these to connect
modules.
1 Do not open the junction box on the back side of the module
1 Fasten the module cable to the frame or to the mounting system in order to avoid any stress to the connector.
1 Cables drooping from the terminal box are hazardous and must be avoided.
1 Cables should be secured so they are not exposed to direct sunlight (such as behind the module).
1 The sum of Voc of modules in series must not exceed the maximum system voltage rating of the module under any
condition, even at low temperature.
1 Reverse current applied to the modules should not exceed 7A under any condition.
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Minimum cable diameter: 2.5mm sq
Carry out installation and wiring work in compliance with all relevant health, safety and environment laws and regulations.
stainless-steel bolt
stainless-steel cupped washer
stainless-steel star washer
stainless-steel nut
Series connection
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Junction
box
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Parallel connection
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