Trina Solar DUOMAX Series, Руководство по установке

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Date: 2019.9.24 Doc No: PS-M-0691 Ver. B Page - 24 - of 27
6.3 GROUNDING
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All module frames and mounting racks must be properly grounded in accordance with appropriate
respective National Electrical Code.
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Proper grounding is achieved by bonding the module frame(s) and all metallic structural members
together continuously using a suitable grounding conductor. The grounding conductor or strap may be
copper, copper alloy, or any other material acceptable for use as an electrical conductor per respective
National Electrical Codes. The grounding conductor must then make a connection to earth using a
suitable earth ground electrode.
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Trina Solar modules can be installed with the use of third party listed grounding devices for grounding
the metallic frames of PV modules. The devices have to be installed in accordance with the grounding
device manufacturer’s specified instructions.
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Please refer to the “Product Catalogue” link for detailed grounding hole locations and size at
http://www.trinasolar.com/
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Grounding hardware comes in a package that includes the grounding screw, flat washer
、
star washer
and wire
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Electrical contact is made by penetrating the anodized coating of the aluminum frame, and tightening
the mounting screw (come with the star washer) to the proper torque of 25lbf.in.
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Grounding wire size (6 to 12 AWG solid bare copper) should be selected and installed underneath the
wire binding bolt.
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We also recommend using the following methods to ground installation properly under UL
investigation,
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Method 1: Tyco grounding bolt # 2058729-1:
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Figure 4. Tyco grounding bolt # 2058729-1
1) Wire bolt and slot 2) Mounting wash hex nut
3) Aluminum frame 4
)
0.006 to 0.025in
2
cable
5) Hex Nut

Tyco grounding hardware comes in a package that includes the grounding bolt, mounting and
grounding hex nut.

Electrical contact is made by penetrating the anodized coating of the aluminum frame, and tightening
the mounting hex nut (come with the star washer) to the proper torque of 25lbf.in.

Grounding wire size (6 to 12 AWG solid bare copper) should be selected and installed underneath
the wire binding bolt.

The wire binding bolt should be tightened to the proper torque of 45lbf.in.
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