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5. Configuration
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Settings may only be changed by a qualified electrical engineer.
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Read the instructions thoroughly before implementing changes.
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During setting of the charger, the AC input must be removed.
5.1 Standard settings: ready for use
On delivery, the MultiPlus is set to standard factory values. In general, these settings are suitable for single-unit operation.
Warning:
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 factory settings
Inverter frequency
60Hz
Input frequency range
45 - 65Hz
Input voltage range
94 - 143VAC
Inverter voltage
120VAC
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
75% of the maximum charging current
Battery type
Victron Gel Deep Discharge (also suitable for Victron AGM Deep Discharge)
Automatic equalisation charging
off
Absorption voltage
14.4 / 28.8 / 57.6V
Absorption time
up to 8 hours (depending on bulk time)
Float voltage
13.8 / 27.6 / 55.2V
Storage voltage
13.2 / 26.4 / 52.8V (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
Auxiliary output
25A
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: 50Hz; 60Hz
Input frequency range
Input frequency range accepted by the MultiPlus. The MultiPlus synchronises within this range with the AC input frequency. The output
frequency is then equal to the input frequency.
Adjustability: 45 – 65Hz; 45 – 55Hz; 55 – 65Hz
Input voltage range
Voltage range accepted by the MultiPlus. The MultiPlus synchronises within this range with the AC input voltage. The output voltage is
then equal to the input voltage.
Adjustability:
Lower limit: 94 - 120V
Upper limit: 120 - 143V
Note
: the standard lower limit setting of 94V is intended for connection to a weak mains supply, or to a generator with unstable AC
output. This setting may result in a system shut down when connected to a ‘brushless, self excited, externally voltage regulated,
synchronous AC generator’ (synchronous AVR generator). Most generators rated at 10kVA or more are synchronous AVR generators.
The shut down is initiated when the generator is stopped and revs down while the AVR simultaneously ‘tries’ to keep the output voltage
of the generator at 120V.
The solution is to increase the lower limit setting to 110VAC (the output of AVR generators is generally very stable), or to disconnect the
Multi(s) from the generator when a generator stop signal is given (with help of an AC contacor installed in series with the generator).
Содержание MultiPlus 3000
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Страница 27: ...EN Appendix APPENDIX A Overview connections ...
Страница 29: ...EN Appendix APPENDIX B Block diagram See table in Chapter 4 2 Recommended DC fuse ...
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