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How to Use Limit Grid Consumption Mode

This article gives an overview of the "Limit Grid Consumption" mode, which is the most commonly used operating mode on the Sanctuary system.

Please note: The system warranty is voided if any changes to the system are not done by a licensed electrician or one of our certified technicians. If in need of certification, go to certification.lionenergy.com

 

Limit Grid Consumption Mode Overview

In Limit Grid Consumption mode, solar power goes to the loads first. Any excess power goes toward charging the battery until the battery is full. After the battery is full, excess solar power is sold back to the grid if grid selling is enabled. When the sun goes down, then the system will run off of battery power until the target state of charge is reached. Once the battery depletes down to the target state of charge (Time of Use Slot n - State of Charge), then the system will start to draw power from the grid. Then in the morning when we get solar power again, the cycle starts over with solar covering loads and charging the battery.
 
The goal of Limit Grid Consumption mode is to minimize power being drawn from the grid. If there is enough solar power and battery capacity, the system won't need to buy any electricity from the grid, and excess solar power is sold back to the grid.
 
 

Settings That Affect Limit Grid Consumption Mode:

  • Time of Use
  • Time of Use Slot n - Discharge Power
  • Time of Use Slot n - State of Charge
  • Time of Use Slot n - Grid Charge
  • Emergency mode: batteries are kept fully charged
  • CT Limit Power: how much power can be drawn from the grid before battery power contributes to the loads
  • Grid Selling (enabled/disabled)
  • Zero Export Power Adjustment
  • Total Grid Sell Percent (of 8 kW)
  • Battery Max Charge Current
  • Battery Max Discharge Current
  • Battery Discharge Percent (of 8 kW)
  • Grid Sell Power Limit: this is the maximum allowed power to sell back to the grid (per inverter)
  • Grid Selling Current: this is the maximum allowed current to sell back to the grid (per inverter)
  • Battery Grid Charge Limit
  • Grid Charging (enabled/disabled)
  • Solar Charge Only (enabled/disabled)