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3. Wear insulation gloves and install copper bars between battery packs.
•
Use the copper bars delivered with the ESS. Do not use copper bars from ESSs of different
models.
•
When installing a nut, manually insert the nut into the screw plate, and then use a socket
wrench to completely secure the nut in place. This prevents the screw thread from being
stuck or stripped due to the deviation of the nut position.
•
Pre-install nuts according to the recommended torque of 27 N· m.
•
Verify that the torque of the installed nuts is 27 N· m using a torque wrench.
• Mark the nuts whose torque has been verified using a marker.
•
Use an extension rod for the torque wrench.
Three types of copper bars are included with the equipment and are identified by the
silkscreens A, B, and C printed on the front.
When installing copper bar C,
keep away from
communications cables and
fan power cables of battery
packs to prevent cables from
being squeezed.
8
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