9
L2=L1+3 mm
L1
L1
L2=L1+3 mm
≤ 230 mm
≤ 230 mm
2. Remove an appropriate length of the jacket and insulation layer from the AC output power
cable using a wire stripper. (Ensure that the jacket is in the maintenance compartment.)
3. Crimp an OT terminal.
b. Four-core cable (including the ground cable)
4. Connect the AC output power cable to the terminal block, and then tighten the nut using a
torque wrench that has an extension rod.
Core wire
Insulation layer
Heat
gun
Hydraulic pliers
Heat shrink
tubing
a. Three-core cable (excluding the ground cable) b. Four-core cable (including the ground cable)
Jacket
Insulation
layer
Core
wire
• Ensure that AC terminations provide firm and solid electrical connections. Failing to do so may
cause SUN2000 malfunction and damage to its terminal block, even starting thermal events.
• If the AC output power cables are subject to a pulling force because the inverter is not installed
stably, ensure that the last cable that bears the stress is the PE cable.
a. Three-core cable (excluding the ground
cable)
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