VPS-DOS-TR-06-E / Rev 01
3-May-2022
Volta Power Systems
Page 22 of 41
You may need to adjust the max branch amps. Refer to Max Branch Amps
(Charger Current Limit) Setting on page 22.
Info Button
Press the Info button to cycle through the current system configuration and
settings. The available information varies depending on the state of the inverter
(On, Charging, Off, Off Due to Fault). The following message will display for a few
seconds when the info button is pressed.
Max Branch Amps (Charger Current Limit) Setting
The Charger Current Limit setting limits the current from shore power available
for charging and powering devices. Adjusting this setting directly impacts how
quickly the Volta System charges and how many devices can run when connect-
ed to shore power.
When connected to shore power, the Volta System first provides power to any
accessories drawing power from the Energy Storage Pack. The remaining
current is then used to charge the Volta System at the selected Charger Current
Limit.
To adjust this setting, refer to How to Adjust an Inverter Setting on page 23.
Before adjusting this setting, confirm the amp rating at the shore power service
location. For reference, most residential outlets are 15 amps and shore power
services range from 20-30 amps.
Consider the following before adjusting this setting:
• The Charger Current Limit setting must be at or below the amp rating
of the shore power outlet. For example, when connected to a residential
outlet rated at 15 amps, the Charger Current Limit setting must be set to
15 amps or lower.
• If you plan on using 120 VAC devices or accessories while connected to
shore power, the Volta System prioritizes those loads before charging
the Volta System. To decrease the time required to charge the Volta
System, turn off all unnecessary devices. This will deliver more current to
the Energy Storage Pack and decrease charge time.
• If connecting to shore power causes the shore power’s source fuse to
blow or the circuit breaker to switch, decrease the Charger Current Limit
setting before connecting to shore power.
• If the Charger Current Limit is set to a value higher than the shore
power amp rating, the system will not charge, electric devices in the
vehicle will not function, or a circuit breaker may trip.
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