Xantrex Technology RS3000 - Manual (Page 70)

Configuration
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Sub-Menus
Configure Inv/Chg Menu (Configure Inverter/Charger Menu)
Cfg/Inv Chg is a sub-menu. If selected, the following list of sub-menu
items appears.
Max Chg Rate
Full name Maximum charge rate
Configurable setting The actual battery charge rate is determined by two things: the battery
bank size setting (C) divided by 5 (C÷5) and the charge rate setting (0 to
100%).
For example, if the battery bank size is set to 300 Ah (C) and the charge
rate is set at 100%, the maximum charge rate is:
300 ÷ 5 = 60 amps × 100% which is a 60 amp charge rate.
If the charge rate setting is adjusted to 50%, the maximum charge rate is:
300 ÷ 5 = 60 amps × 50% which is a 30 amp charge rate.
The RS3000 has a maximum charge rate of 150 amps. Even though you
can set a bank size of 2000 Ah, where C÷5 is 2000 ÷5 = 400 amps, the
RS3000 would still charge at 150 amp maximum.
You can adjust the Max Chg Rate settings as follows:
When to use Displayed only if in charger mode when you wish to control the
maximum charge rate to your batteries.
Max Chg Rate [100%]
Range of values Increment Default
10% to 100% 10 100%