Huawei SUN2000-50KTL-JPM1 Quick Manual page 9

3. 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.)
a. Three-core cable (excluding the ground
cable)
Core
wire
L2=L1+3 mm
L1
4. Crimp an OT terminal.
Insulation layer
Core wire
5. Connect the AC output power cable to the terminal block, and then tighten the nut using a
torque wrench that has an extension rod.
•
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.
•
When connecting a PE cable, secure the screws using a socket wrench with an extension wrench
longer than 200 mm.
•
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.
Insulation
layer
Jacket
≤ 230 mm
Heat
gun
b. Four-core cable (including the ground
cable)
L1
Heat shrink
tubing
Hydraulic pliers
8
L2=L1+3 mm
≤ 230 mm