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!
MultiPlus-II 48V 3kVA 120V factory settings
Inverter frequency
60 Hz
Input frequency range
45 – 65 Hz
Input voltage range
90 - 140 VAC
Inverter voltage
120 VAC
Stand-alone / parallel / 3-phase
stand-alone
AES (Automatic Economy Switch)
off
Ground relay
on
Charger on/ off
on
Battery charge curve
four-stage adaptive with BatterySafe mode
Charging current
100% of the maximum charging current
Battery type
Victron Gel Deep Discharge (also suitable for Victron AGM Deep Discharge)
Automatic equalisation charging
off
Absorption voltage
57.6 V
Absorption time
up to 8 hours (depending on bulk time)
Float voltage
55.2 V
Storage voltage
52.8 (not adjustable)
Repeated absorption time
1 hour
Absorption repeat interval
7 days
Bulk protection
on
AC input current limit
50A (= adjustable current limit for PowerControl and PowerAssist functions)
UPS feature
on
Dynamic current limiter
off
WeakAC
off
BoostFactor
2
Programmable relay
alarm function
PowerAssist
on
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.
Adjustability: 50 Hz; 60 Hz
MultiPlus-II 48V 3kVA 120V
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Configuration
