Victron energy MultiPlus-II 12|3000|120-50 Manual Download Page 32 | Manualshive

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Appendix C. APPENDIX C: Parallel connection

Unit1: Master

Unit2: Slave1

Unit3: Slave2

+ BAT -

+ BAT -

+ BAT -

PE

AC OUT2 N

AC OUT2 L1

AC OUT2 L2

PE

AC OUT1 N

AC OUT1 L1

AC OUT1 L2

PE

AC IN N

AC IN L1

AC IN L2

GX device

MultiPlus-II 12|3000|120-50 2x120V

Page 29

APPENDIX C: Parallel connection

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Summary of Contents for MultiPlus-II 12|3000|120-50

Page 1: ...MultiPlus II 12 3000 120 50 2x120V Rev 01 02 2021 ENGLISH ...

Page 2: ... Control 12 4 4 2 Programmable relay 12 4 4 3 Programmable analog digital input output ports 12 4 4 4 Starter battery connection terminal E see appendix A 12 4 4 5 Voltage sense connection terminal J see appendix A 13 4 4 6 Temperature sensor connection terminal J see appendix A 13 4 4 7 Parallel Connection 13 4 4 8 Three phase operation 13 5 CONFIGURATION 14 5 1 Standard settings ready for use 14...

Page 3: ...PENDIX D Three phase connection 30 E APPENDIX E Charge algorithm 31 F APPENDIX F Temperature compensation 32 G APPENDIX G Dimensions 33 H APPENDIX H Power flow diagrams 34 MultiPlus II 12 3000 120 50 2x120V ...

Page 4: ... The installation shall be in accordance with the Canadian Electrical Code Part 1 The wiring methods shall be in accordance with the National Electrical Code ANSI NFPA 70 This product is a safety class I device supplied with a ground terminal for safety purposes Its AC input and or output terminals must be provided with uninterruptible grounding for safety purposes An additional grounding point is...

Page 5: ...mately 40 milliseconds Auxiliary output AC out 2 The second auxiliary output is live only when AC is available on the input of the MultiPlus Loads that should not discharge the battery can be connected to this output Please enter AC out 2 in the search box on our website and find the latest information about other applications Three phase capability Three units can be configured for three phase ou...

Page 6: ...re prevents stratification of the electrolyte and sulphation a major cause of early battery failure Battery voltage sense the correct charge voltage Voltage loss due to cable resistance can be compensated by using the voltage sense facility to measure voltage directly on the DC bus or on the battery terminals Battery voltage and temperature compensation The temperature sensor supplied with the pro...

Page 7: ... consuming devices can cope with These devices must be disconnected before additional charging takes place 3 3 2 Forced absorption Under certain circumstances it can be desirable to charge the battery for a fixed time at the absorption voltage level In Forced Absorption mode the MultiPlus II will charge at the normal absorption voltage level during the set maximum absorption time The absorption LE...

Page 8: ... set to on after the three LED sequence has finished the charger will switch to Float d If the switch is has not been moved the MultiPlus II will remain in charger only mode and switch to Float 3 4 LED Indications LEDs off LEDs blinking LEDs illuminated Inverterting The inverter is on Inverter power is supplied to the load The inverter LED is on Overload pre alarm The nominal output of the inverte...

Page 9: ...s on Overload pre alarm and low battery pre alarm The battery is nearly exhausted and the nominal output of the inverter is exceeded The overload and low battery LEDs are both blinking alternately Ripple pre alarm The ripple voltage on the battery terminals is too high The overload and low battery LEDs are both blinking simultaneously Ripple alarm The inverter has switched off due to excess ripple...

Page 10: ...he charger operates in absorption mode The absorption LED is on Float charging The mains voltage is switched through and the charger operates in float mode The float LED is on Equalize charging The mains voltage is switched through and the charger operates in equalize mode The bulk and absorption LED are both blinking PowerControl The AC input is switched through The AC output current is equal to ...

Page 11: ...uired additional current The mains on LED is on and the inverter LED is blinking For more error codes see section 7 3 For the latest and most up to date information about the blink codes please refer to the Victron Toolkit app Click on or scan the QR code to get to the Victron Support and Downloads Software page MultiPlus II 12 3000 120 50 2x120V Page 8 OPERATION ...

Page 12: ...e between the product and the battery to a minimum in order to minimize cable voltage losses For safety purposes this product should be installed in a heat resistant environment You should prevent the presence of e g chemicals synthetic components curtains or other textiles etc in the immediate vicinity Each system requires a method of disconnecting the AC and DC circuits If the overcurrent protec...

Page 13: ...ith eyes Study all battery manufacturer s specific precautions such as removing or not removing cell caps while charging and recommended rates of charge Clean battery terminals Be careful to keep corrosion from coming in contact with eyes Study all battery manufacturer s specific precautions such as removing or not removing cell caps while charging and recommended rates of charge MARINE UNIT LOCAT...

Page 14: ...nterruptible grounding point for safety purposes The MultiPlus II is provided with a ground relay relay H see appendix B that automatically connects the Neutral output to the chassis if no external AC supply is available If an external AC supply is provided the ground relay H will open before the input safety relay closes This ensures the correct operation of an earth leakage circuit breaker that ...

Page 15: ...the Blue Sea systems GFCI circuit breakersPN 309X or 310X The maximum rating of the fuse or circuit breaker is 75A AC out 2 A second output is available that disconnects its load in the event of battery operation On these terminals equipment is connected that may only operate if AC voltage is available on AC in 1 e g an electric boiler or an air conditioner The load on AC out 2 is disconnected imm...

Page 16: ...to the devices must be of equal length and cross section If a positive and a negative DC distribution point is used the cross section of the connection between the batteries and the DC distribution point must at least equal the sum of the required cross sections of the connections between the distribution point and the MultiPlus II units Place the MultiPlus II units close to each other but allow a...

Page 17: ... 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 14 5V Absorption time up to 8 hours depending on bulk time Float voltage 13 2V not adjustable Repeated absorption ti...

Page 18: ... increase total inverter power several devices in parallel create a split phase system with a separate autotransformer see VE autotransformer datasheet and manual create a 3 phase system The standard product settings are for standalone operation For parallel three phase or split phase operation see section 5 3 AES Automatic Economy Switch If this setting is turned on the power consumption in no lo...

Page 19: ...II would continually switch to inverter operation For this reason the setting can be turned off The MultiPlus II will then respond less quickly to AC input voltage deviations The switchover time to inverter operation is consequently slightly longer but most equipment most computers clocks or household equipment is not adversely impacted Recommendation Turn the UPS feature off if the MultiPlus II f...

Page 20: ...allel or three phase operation can be configured in a simple manner The 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 5 3 3 VEConfigure All settings...

Page 21: ...MultiPlus II does not require specific maintenance It will suffice to check all connections once a year Avoid moisture and oil soot vapours and keep the device clean MultiPlus II 12 3000 120 50 2x120V Page 18 MAINTENANCE ...

Page 22: ...nt or reduce the load Low battery and overload LEDs flash intermittently Low battery voltage and excessively high load Charge the batteries disconnect or reduce the load or install higher capacity batteries Fit shorter and or thicker battery cables Low battery and overload LEDs flash simultaneously Ripple voltage on the DC connection exceeds 1 5Vrms Check the battery cables and battery connections...

Page 23: ...ncorrect level too high Set the absorption voltage to the correct level The float voltage is set to an incorrect level too high Set the float voltage to the correct level Poor battery condition Replace the battery The battery temperature is too high due to poor ventilation excessively high environmental temperature or excessively high charging current Improve ventilation install batteries in a coo...

Page 24: ...verter operation A flashing float LED indicates that the device can perform charging operation In principle all other LEDs must be off If this is not the case the code is not an OK code However the following exceptions apply The special LED indications above can occur together with the OK codes The low battery LED can function together with the OK code that indicates that the device can charge 7 3...

Page 25: ... 17 Bulk LED on Absorption LED off flashing on Float LED off 18 21 24 flashing 19 22 25 on 20 23 26 Bulk LED Absorption LED Float LED Code Meaning Cause solution 1 Device is switched off because one of the other phases in the system has switched off Check the failing phase 3 Not all or more than the expected devices were found in the system The system is not properly configured Reconfigure the sys...

Page 26: ...24 Switch over system protection initiated Should not occur in correctly installed equipment Switch all equipment off and then on again If the problem recurs check the installation Possible solution increase lower limit of AC input voltage to 110 VAC factory setting is 90 VAC 25 Firmware incompatibility The firmware of one the connected devices is not sufficiently up to date to operate in conjunct...

Page 27: ...mum output current 60A peak 50Arms for 1sec CHARGER AC Input Split phase 180 280 VAC 45 65 Hz Single phase 90 140 VAC 45 65 Hz Charge voltage absorption 14 4 V Charge voltage float 13 8 V Storage mode 13 2 V Maximum battery charge current 4 120 A Battery temperature sensor Yes GENERAL Auxiliary output Yes 32 A External AC current sensor optional 100 A Programmable relay 5 Yes Protection 2 a g VE B...

Page 28: ... IEC 61000 6 3 1 Can be adjusted to 50 Hz 2 Protection key a output short circuit b overload c battery voltage too high d battery voltage too low e temperature too high f 120 VAC on inverter output g input voltage ripple too high 3 Non linear load crest factor 3 1 4 At 25 C ambient 5 Programmable relay which can be set for general alarm DC under voltage or genset start stop function AC rating 120V...

Page 29: ...From left to right NO NC COM E Primary ground connection PE M8 bolt F Trickle charge positive terminal 12 and 24V model only G Battery positive connections 2 x M8 bolt H Battery minus connections 2 x M8 bolt I Power switch To switch 1 On 0 Off charger only J Push button A To perform a startup without assistants K Remote on off connector Short contact to switch to on L VE Bus connectors 2x RJ45 For...

Page 30: ...ctor 70V 100mA 3 External ground relay 4 External ground relay 5 Aux input 1 6 Aux input 1 7 Aux input 2 8 Aux input 2 9 Temperature sense 10 Temperature sense 11 Battery voltage sense 12 Battery voltage sense MultiPlus II 12 3000 120 50 2x120V Page 27 APPENDIX A Connection overview ...

Page 31: ...dix B APPENDIX B Block diagram L2 L1 N PE L2 L1 N PE L2 L1 N ACout1 AC in ACout2 PE PE Battery See table in Chapter 4 2 Recommended DC fuse MultiPlus II 12 3000 120 50 2x120V Page 28 APPENDIX B Block diagram ...

Page 32: ...tion Unit1 Master Unit2 Slave1 Unit3 Slave2 BAT BAT BAT PE AC OUT2 N AC OUT2 L1 AC OUT2 L2 PE AC OUT1 N AC OUT1 L1 AC OUT1 L2 PE AC IN N AC IN L1 AC IN L2 GX device MultiPlus II 12 3000 120 50 2x120V Page 29 APPENDIX C Parallel connection ...

Page 33: ... Unit2 Master L2 Unit3 Master L3 BAT BAT BAT PE AC OUT2 N AC OUT2 L1 AC OUT2 L2 AC OUT2 L3 PE AC OUT1 N AC OUT1 L1 AC OUT1 L2 AC OUT1 L3 PE AC IN N AC IN L1 AC IN L2 AC IN L3 GX device MultiPlus II 12 3000 120 50 2x120V Page 30 APPENDIX D Three phase connection ...

Page 34: ...rt 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 is 13 2 V resp 26 4 V for 12 V and 24 V charger This will limit water loss to a ...

Page 35: ...s 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 MultiPlus II 12 3000 120 50 2x120V Page 32 APPENDIX F Temperature compensation ...

Page 36: ...175 57 5 478 44 9 5 1 6 4x 98 3 55 32 5 87 5 87 5 6 2 3x Rev03 PMP122305100 MultiPlus II 12 3000 120 50 2x120V Dimension Drawing MultiPlus II Dimensions in mm D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B 8 7 6 5 F E MultiPlus II 12 3000 120 50 2x120V Page 33 APPENDIX G Dimensions ...

Page 37: ...lay L2 L1 PE N Battery L1 PE L1 L2 AC in N N L2 internal ground relay PE Transfer relays 0 VAC 120 VAC 120 VAC 0 VAC 120 VAC 120 VAC AC 0ut 1 AC 0ut 1 AC 0ut 2 Power flow inverter MultiPlus II 12 3000 120 50 2x120V Page 34 APPENDIX H Power flow diagrams ...

Page 38: ... AC in N N L2 internal ground relay PE Transfer relays 0 VAC 120 VAC 120 VAC 0 VAC 120 VAC 120 VAC AC 0ut 1 AC 0ut 1 0 VAC 120 VAC 120 VAC AC 0ut 2 Power flow single phase MultiPlus II 12 3000 120 50 2x120V Page 35 APPENDIX H Power flow diagrams ...

Page 39: ...2 AC in N N L2 internal ground relay PE Transfer relays 120 VAC 120 VAC 240 VAC 120 VAC 120 VAC AC 0ut 1 AC 0ut 1 240 VAC 120 VAC 120 VAC AC 0ut 2 Power flow split phase MultiPlus II 12 3000 120 50 2x120V Page 36 APPENDIX H Power flow diagrams ...

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