Hybrid Solar Inverter User Manual

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4.4.4. Connecting the Grid and Backup Loads

Prerequisite

Select cables according to the below specification. You can amplify appropriate diameter selection of the

alternating current (AC) cable for the long grid-connection distance.

Specification

Range

Recommended value

Conductor cross-sectional area of cables (mm²)

2.5 – 6.0

4.0

External diameter (mm)

8 –14

14

Additional grounding cable cross-sectional area (mm²): 4

Procedure

1. Open the cable gland, insert cables through the hole, and connect the cables to the L1, L2, L3, PE, and

N terminals.

ATTENTION: (Australia only) Do NOT connect the PE terminal of the BACK-UP port.

ATTENTION: If the grid cables are not connected correctly, an error “Master Grid Phase Error” will occur.

For details, refer to Chapter 7 “Troubleshooting”. If this error occurs, switch the position of L2 and L3

cables.

2. Connect the cables to the BACK-UP and GRID ports on the inverter.

① Insert the cables and tighten the locknut in each cable.

② Install the protective covers to the cable connectors.

③ Tighten two screws to secure each connector tightly.

SAJ H2-5K-T2 User Manual

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