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Appendix I: Parallel function
1. Introduction
This inverter can be used in parallel with two different operation modes.
1. Parallel operation in single phase is with up to 9 units. The supported maximum output power is
50.4KW/50.4KVA.
2. Maximum 9 units work together to support three-phase equipment. Maximum seven units support one
phase.
WARNING: Please make sure all output N wires of each inverter should be connected always. Otherwise, it
will cause fault in error #72.
2. Package Contents
In parallel kit, you will find the following items in the package:
Parallel board
3. Parallel board installation
Step 1: Remove wire cover by unscrewing all screws.
Step 2: Remove two screws as below chart and remove 2-pin and 14-pin cables. Take out the board under the
communication board.
Parallel communication cable
Current sharing cable
47
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