Samsung U6A4, Installation Manual

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3
.
Installing the Product
16 English 8/2020. Rev 0.3
3.6 Preparation Stage—Ground Wire and Tools
Ground wires for the racks must be provided by the installer. Installer-supplied ground wires must meet the
specifications below.
Refer to 3.1 Grounding the Battery System for details on grounding.
3.6.1 Ground Wires
Use ground wire that is 70 sq mm. The ground wire specifications are:
Table 3-3: Ground Wire Specifications
1
Wire No. Terminal Type
70 sq mm or thicker M12 2 Hole Ring Terminal
3.6.2 Ground Wire Fasteners
Specifications for the ground wire fastening screws are:
Table 3-4: Ground Wire Fastener Specification
2
Size Hardness Thread Pitch Material
M12–30L 70 (Grade 7) 1.25 mm (0.05 in) SS304
3.6.3 Rack Fasteners (Anchors)
Specifications for the rack fastener screws for anchoring the rack frame to the floor are:
Table 3-5: Rack Fastener Specifications 3
Size Hardness Thread Pitch Material
M16–L
(Bottom Anchor)
70 (Grade 7) 2.0 mm (0.08 in) SS304
3.6.4 Multiple Rack Fasteners
Rack fasteners are factory-provided. Refer to Table 3-2: Parts for 128S 3P Rack for part number and
quantities.
Specifications for the rack fastener screws for installing multiple rack frames side-by-side are:
Table 3-6: Rack Fastener Specifications (Side by side)
Size Hardness Thread Pitch Material
M10–25L (Side) 70 (Grade 7) 1.5 mm (0.06 in) SS304
1
Not provided. Must be provided by the installer or customer.
2
Not provided. Must be provided by the installer or customer.
3
Not provided. Must be provided by the installer or customer.