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5. Configuration 

 

 

 

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 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 

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

Страница 1: ...MultiPlus with firmware xxxx400 or higher 12 3000 120 50 120V 24 3000 70 50 120V Manual EN Appendix ...

Страница 2: ......

Страница 3: ...output terminals must be provided with uninterruptible grounding for safety purposes An additional grounding point is located on the outside of the product If it can be assumed that the grounding protection is damaged the product should be taken out of operation and prevented from accidentally being put into operation again contact qualified maintenance personnel Ensure that the connection cables ...

Страница 4: ...This feature takes the principle of PowerControl to a further dimension allowing the MultiPlus to supplement the capacity of the alternative source Where peak power is so often required only for a limited period the MultiPlus will make sure that insufficient shore or generator power is immediately compensated for by power from the battery When the load reduces the spare power is used to recharge t...

Страница 5: ... 12V battery to minimise gassing and corrosion of the positive plates Once a week the voltage is raised back to the absorption level to equalize the battery This feature prevents stratification of the electrolyte and sulphation a major cause of early battery failure Two DC outputs for charging two batteries The main DC terminal can supply the full output current The second output intended for char...

Страница 6: ...g the set maximum absorption time The absorption LED lights 3 3 3 Activating equalisation or forced absorption The MultiPlus can be put into both these states from the remote panel as well as with the front panel switch provided that all switches front remote and panel are set to on and no switches are set to charger only In order to put the MultiPlus in this state the procedure below should be fo...

Страница 7: ...The inverter is switched off due to overload or short circuit mains on on inverter on Bulk overload off absorption low battery charger only Float temperature Charger Inverter The battery is almost fully exhausted mains on on inverter on Bulk overload off absorption low battery charger only Float temperature Charger Inverter The inverter has switched off due to low battery voltage mains on on inver...

Страница 8: ... voltage on the battery terminals mains on on inverter on Bulk overload off absorption low battery charger only Float temperature Battery Charger Charger Inverter The AC input voltage is switched through and the charger operates in bulk mode mains on on inverter on Bulk overload off absorption low battery charger only Float temperature Charger Inverter The mains voltage is switched through and the...

Страница 9: ...dications PowerControl charger Inverter The AC input is switched through The AC output current is equal to the preset maximum input current The charge current is reduced to 0 mains on on inverter on bulk overload off absorption low battery charger only float temperature Power Assist charger Inverter The AC input is switched through but the load requires more current than the preset maximum input c...

Страница 10: ...stant environment You should prevent the presence of e g chemicals synthetic components curtains or other textiles etc in the immediate vicinity 4 2 Connection of battery cables In order to utilize the full capacity of the product batteries with sufficient capacity and battery cables with sufficient cross section should be used See table 12 3000 120 24 3000 70 48 3000 35 Recommended battery capaci...

Страница 11: ...se The AC input must be protected by a fuse or magnetic circuit breaker rated at 50A or less and cable cross section must be sized accordingly If the input AC supply is rated at a lower value the fuse or magnetic circuit breaker should be down sized accordingly AC out 1 see appendix A The AC output cable can be connected directly to the terminal block AC out From left to right PE earth N neutral a...

Страница 12: ...ration AC out 2 is switched off immediately After the AC supply has become available AC out 2 is reconnected with a delay of 2 minutes this to allow a genset to stabilise prior to connecting a heavy load 4 4 8 Parallel Connection The MultiPlus can be connected in parallel with several identical devices To this end a connection is established between the devices by means of standard RJ45 UTP cables...

Страница 13: ...ammable 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...

Страница 14: ...th 50A transfer capacity only if required an external ground relay can be connected for a split phase system with a separate autotransformer See appendix A Battery charge curve The standard setting is Four stage adaptive with BatterySafe mode See Section 2 for a description This is the best charging characteristic See the help files in the software configuration programs for other features Fixed m...

Страница 15: ...verely or even completely fail in the event of a sudden load increase More load can only be supplied after the engine is up to speed If this setting is on the MultiPlus will start supplying extra power at a low generator output level and gradually allow the generator to supply more until the set current limit is reached This allows the generator engine to get up to speed This setting is also often...

Страница 16: ...software can be downloaded free of charge at www victronenergy com 5 3 2 VE Bus System Configurator For configuring advanced applications and or systems with four or more Multis VE Bus System Configurator software must be used The software can be downloaded free of charge at www victronenergy com VEConfigure3 forms part of this program 5 3 3 More software Several other software tools are available...

Страница 17: ...referably without load and without AC voltage on the input The Multi will then operate in inverter mode Step 1 Set the DIP switches for the required current limitation of the AC input not relevant for slaves AES Automatic Economy Switch only relevant in systems with 1 Multi per phase limitation of the charging current only relevant for Master Leader Press the Up button for 2 seconds upper button t...

Страница 18: ...battery bank 50A to 100A The temperature sensor supplied automatically adjusts the charge voltage to the battery temperature If faster charging and a subsequent higher current is required The temperature sensor supplied should always be fitted since fast charging can lead to a considerable temperature rise of the battery bank The charge voltage will be adapted to the higher temperature i e lowered...

Страница 19: ... of the remaining settings are not relevant for followers L2 L3 These settings are imposed on the whole system by the leader L1 If a setting is irrelevant for L2 L3 devices this is mentioned explicitly ds8 ds7 Setting charging voltages not relevant for L2 L3 ds8 ds7 Absorption voltage Float voltage Storage voltage Suitable for off off 14 1 28 2 56 4 13 8 27 6 55 2 13 2 26 4 52 8 Gel Victron Long L...

Страница 20: ...hours 5 Adaptive charging on 4 Dynamic current limit off 3 UPS function on 2 Voltage 120V 1 Frequency 50Hz Step 2 Example 2 8 7 OPzV 14 1V 6 Abs time 8 h 5 Adaptive ch on 4 Dyn Curr limit off 3 UPS function off 2 Voltage 120V 1 Frequency 50Hz Step 2 Example 3 8 7 AGM 14 7V 6 Abs time 8 h 5 Adaptive ch on 4 Dyn Curr limit on 3 UPS function off 2 Voltage 120V 1 Frequency 50Hz Step 2 Example 4 8 7 Tu...

Страница 21: ... The converter switches off because the battery voltage is too low Charge the battery or check the battery connections Overload LED flashes The converter load is higher than the nominal load Reduce the load Overload LED lights The converter is switched off due to excessively high load Reduce the load Temperature LED flashes or lights The environmental temperature is high or the load is too high In...

Страница 22: ...to a level between 0 1 and 0 2 times the battery capacity Poor battery connection Check the battery connections The absorption voltage has been set to an incorrect level too low Set the absorption voltage to the correct level The float voltage has been set to an incorrect level too low Set the float voltage to the correct level The available charging time is too short to fully charge the battery S...

Страница 23: ... error status the devices that are in order will indicate an OK code This facilitates error tracing in a VE Bus system since devices not requiring attention are easily identified as such Important OK codes will only be displayed if a device is not in inverter or charging operation A flashing bulk LED indicates that the device can perform inverter operation A flashing float LED indicates that the d...

Страница 24: ...n AC out Check the AC cables 10 System time synchronisation problem occurred Should not occur in correctly installed equipment Check the communication cables 14 Device cannot transmit data Check the communication cables there may be a short circuit 17 One of the devices has assumed master status because the original master failed Check the failing unit Check the communication cables 18 Overvoltage...

Страница 25: ...battery A 4 Battery temperature sensor Yes GENERAL Auxiliary output Max 32A Switches off when no external AC source available Programmable relay 5 Yes 3x Protection 2 a g VE Bus communication port For parallel and three phase operation remote monitoring and system integration General purpose comm port Yes 2x Common Characteristics Operating temp 40 to 65 C 40 150 F fan assisted cooling Humidity no...

Страница 26: ......

Страница 27: ...EN Appendix APPENDIX A Overview connections ...

Страница 28: ...attery minus cable for connection Relay contacts K1 NC NO COM Relay contacts K2 NC NO COM Voltage sense plus Voltage sense minus F Double M8 battery minus connection G Double M8 battery positive connection H Connector for remote switch Short left and middle terminal to switch on Short right and middle terminal to switch to charger only I Programmable relay Alarm contact Left to right NC NO COM K P...

Страница 29: ...EN Appendix APPENDIX B Block diagram See table in Chapter 4 2 Recommended DC fuse ...

Страница 30: ...APPENDIX C Parallelconnection PE OUT To load Panel AC OUT 1 N AC OUT 1 L To load BAT BAT MASTER Unit 1 SLAVE Unit 2 SLAVE Unit 3 BAT BAT BAT BAT AC IN N AC IN L PE IN AC OUT 2 N AC OUT 2 L To load ...

Страница 31: ...T 1 L2 AC OUT 1 L1 To load PE OUT To load PE IN SLAVE Unit 3 BAT BAT BAT BAT BAT BAT Panel MASTER Unit 1 SLAVE Unit 2 AC OUT 2 N AC OUT 2 L3 AC OUT 2 L2 AC OUT 2 L1 To load APPENDIX D Three phase connection AC IN N AC IN L3 AC IN L2 AC IN L1 ...

Страница 32: ...gradually until the set Absorption voltage is reached The Battery Safe Mode is part of the calculated absorption time Absorption The absorption period is dependent on the bulk period The maximum absorption time is the set Maximum Absorption time Float Float voltage is applied to keep the battery fully charged Storage After one day of float charge the output voltage is reduced to storage level This...

Страница 33: ...15 20 25 30 35 40 45 50 55 60 Battery temperature Volts 20 21 22 23 24 25 26 27 28 29 30 Volts Default output voltages for Float and Absorption are at 25 C Reduced Float voltage follows Float voltage and Raised Absorption voltage follows Absorption voltage In adjust mode temperature compensation does not apply ...

Страница 34: ...APPENDIX G Dimensions ...

Страница 35: ...EN Appendix ...

Страница 36: ......

Страница 37: ......

Страница 38: ...rial number Version 14a Date August 28th 2017 Victron Energy B V De Paal 35 1351 JG Almere PO Box 50016 1305 AA Almere The Netherlands General phone 31 0 36 535 97 00 Fax 31 0 36 535 97 40 E mail sales victronenergy com www victronenergy com ...

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