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5. Configuration
This section is intended mainly for stand-alone applications.
Settings may only be changed by a qualified electrical engineer.
Read the instructions thoroughly before implementing changes.
During setting of the charger, the AC input must be removed.
5.1. Standard settings: ready for use
On delivery, the MultiPlus-II is set to standard factory values. In general, these settings are suitable for single-unit operation.
Possibly, the standard battery charging voltage is not suitable for your batteries! Refer to the manufacturer's
documentation, or to your battery supplier!
Standard MultiPlus-II factory settings
Inverter frequency
Input frequency range
Input voltage range
Inverter voltage
Stand-alone / parallel / 3-phase
AES (Automatic Economy Switch)
Ground relay
Charger on/ off
Battery charge curve
Charging current
Battery type
Automatic equalisation charging
Absorption voltage
Absorption time
Float voltage
Storage voltage
Repeated absorption time
Absorption repeat interval
Bulk protection
AC input current limit
UPS feature
Dynamic current limiter
WeakAC
BoostFactor
Programmable relay
Auxiliary output
PowerAssist
5.2. Explanation of settings
Settings that are not self-explanatory are described briefly below. For further information, please refer to the help files in the
software configuration programs (see Section 5.3).
Inverter frequency
Output frequency if no AC is present at the input.
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MultiPlus-II 12V/24V/48V 3kVA 120V
60 Hz
45 – 65 Hz
90 - 140 VAC
120 VAC
stand-alone
off
on
on
four-stage adaptive with BatterySafe mode
100% of the maximum charging current
Victron Gel Deep Discharge (also suitable for Victron AGM Deep Discharge)
off
14.4 V / 28.8 V / 57.6 V
up to 8 hours (depending on bulk time)
13.8 V / 27.6 V / 55.2 V
13.2 V / 26.4 V / 52.8 V (not adjustable)
1 hour
7 days
on
50A (= adjustable current limit for PowerControl and PowerAssist functions)
on
off
off
2
alarm function
16 A
on
Configuration
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