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If the local grid code is not supported by the MultiPlus-II an external certified interface device should be used to connect the MultiPlus-II
to the grid.
The MultiPlus-II can also be used as a bidirectional inverter operating parallel to the grid, integrated into a customer designed system
(PLC or other) that takes care of the control-loop and grid measurement,
Special note regarding NRS-097 (South Africa)
The maximum allowed impedance of the network is 0.28 Ω + j0.18 Ω
1.
2.
The inverter is fulfilling the unbalance requirement in case of multiple single phase units only when the Color Control GX is
part of the installation.
Special notes regarding AS 4777.2 (Australia/New Zealand)
1.
IEC62109.1 certification and CEC approval for off-grid use does NOT imply approval for grid-interactive installations.
Additional certification to IEC 62109.2 and AS 4777.2.2015 are required before grid-interactive systems can be implemented.
Please check the Clean Energy Council website for current approvals.
2.
DRM – Demand Response Mode
When the AS4777.2 grid code has been selected in VEconfigure, DRM 0 functionality is available on port AUX1 (see
appendix A.
To enable grid connection, a resistance of between 5kOhm and 16kOhm must be present between the terminals of port AUX1
(marked + and - ). The MultiPlus-II will disconnect from the grid in case of an open circuit or a short circuit between the
terminals of port AUX1. The maximum voltage that may be present between the terminals of port AUX1 is 5 V.
Alternatively, if DRM 0 is not required, this functionality can be disabled with VEConfigure.
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