Frequently Asked Question
SETUP - OFFGRID - NO AC IN
Last Updated 2 years ago
Parameter Settings
Some parameters will adjust others to maintain minimum separation. Use caution.
CHARGING:
- Set Parm[07] to MAX Battery charging amps. Combined AC (none in this case) + PV.
- Set Parm[36] to MAX Amps from PV MPPT Charger. Usually set to MAX. Not available on DIY5048.
Battery:
- Set Parm[08] Battery type to USER
- Set Parm[17] to Absorb Voltage.
- Set Parm[18] to Absorb Time (Lead setting, use Lithium setting from manufacturer or 5 min)
- Set Parm[11] to Float Voltage (Effects Parm[37])
- Set Parm[37] to Voltage to restart charging, REBULK. (stays 1.2V lower than Parm[11] Float)
- Set Parm[16] to DISABLE for Lithium Battery (Equalize Function)
Low Battery Settings:
- Parm[14] Low battery Alarm-just beeps. (Must be .4V higher than Parm[04]-Switch to AC IN)
- Parm[12] Low Battery Warning with time delay.
- Parm[13] Low Battery Timer. Used for momentary Surges that pull battery voltage down.
- Parm[15] Low battery immediate Inverter shutdown. If this value is reach during the above timer period Inverter is shutdown.
- Parm[35] Battery under-voltage shutdown restart voltage.
Inverter Output:
- Parm[02] Sets AC Frequency of 50 or 60 hertz. Leave at 60 unless you want trouble.
- Parm[38] Sets AC OUT Voltage from 100VAC to 120VAC. Don't Monkey with this.