Hybrid/AC-coupled Inverter User Manual
© 2024 Hoymiles Power Electronics Inc. All rights reserved.
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7. Tap “Dry Contact Configuration” to edit dry contact configuration. Note that only one mode can be
selected at a time.
★
Earth Fault Alarm
This function is used for external alarm caused by grounding insulation resistance fault or residual current
fault. Disable the external alarm when the load is connected. This function is to produce alarm, not to cause
tripping.
★
Load Control
Load control can be used according to individual demand. This setting is to control whether the load is
working or not. There are five modes available as follows.
(1) Switch Mode: Manually turn on or turn off the dry contact.
(2) Time Mode: Set the time period for the dry contact to work. The dry contact is closed during this set
time and disconnected at other times.
(3) Intelligent Mode: Because the energy generated by PV fluctuates a lot, this mode is to make the dry
contact avoid being turned on and off frequently. The dry contact will only be turned on when the residual
energy generated by the PV exceeds the power set by the load within the set time period. You can set the
minimum run time and the nominal power of the dry contact.
(4) Backup Load Smart Control: The unnecessary dry contact will be turned off in off-grid situation when
the battery capacity is lower than the set SOC value. You can set the value of protection SOC if needed.
(5) EV Charger Smart Control: In this mode, whether to start the EV charger can be determined based on
the total input current. When the input current is less than the value of the entrance breaker size minus
the EV Charger size, the EV Charger is allowed to work; when the input current is larger than the entrance
breaker size, shut down the EV Charger to protect the entrance breaker.
★
Generator Control
For detailed settings, please refer to 4 (a).
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