Axpert MLV-5KW-48V, User Manual

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Appendix II: Parallel function
1. Introduction
This inverter can be used in parallel with three different operation modes.
1. Parallel operation in single phase with up to three units. The supported maximum output power is
15KW/15KVA.
2. Maximum three units work together to support three-phase equipment. The supported maximum output
power is 15KW/15KVA.
3. Maximum three units work together to support two-phase equipment. One units support two phase. The
supported maximum output power is 15KW/15KVA and one phase can be up to 7.5KW/7.5KVA.
WARNING! The AC input N wires must be connected together; the AC output N wires must be connected
together.
2. Package Contents
In parallel kit, you will find the following items in the package:
Parallel communication cable Current sharing cable
3. Mounting the Unit
When installing multiple units, please follow the illustration below.
NOTE: For proper air circulation to dissipate heat, allow a clearance of approx. 20 cm to the side and approx.
50 cm above and below the unit. Be sure to install each unit in the same height.
4. Wiring Connection
The size of the cable for each inverter is shown as below:
WARNING: Be sure the length of all battery cables is the same. Otherwise, there will be voltage difference
between inverter and battery which might cause mal-function of the parallel inverters.
Recommended battery cable and terminal size for each inverter:
Model Wire Size Torque value