System:

Two Quattros - setup in SplitPhase, ACin1 has a generator, ACin2 has the grid

Four MPPT Solar controllers with a total of 56 panels

Large 1400Ah Lithium Battery managed by Batterie's internal BMS that communicates with Venus via CAN-BUS.

Venus is configure: with ESS, sell to grid,

Problem:

When the BMS send to High Voltage Alarm to the Venus, and the Venus sends me an alarm, but does not seem to be doing anything to stop charging the battery. There are six devices that can charge the battery. (2) Quattros and (4) Smart Solar Charger MPPT, they are all controlled by the Venus. How can I get the Venus to hold on charging until the alarm is off.

If the alarm is present for a long time the Batteries internal BMS will disconnect the battery from the system, I have seen strange voltages of 60V to 66V DC, in the DCbus.

Ideas?

Hi!

Has anyone noticed that the recently the Smart LFP batteries that I checked had a +5°C tempereture shift by default. Now that we have winter again in Europe I started charging the batteries for a few minuted before I checked. It was around 3-5°C and the batteries have shown around 8-9°C.

What has the reason for this change? I think this is not good practice to have it set like that.

Thanks

The temp sensor on a victron phoenix multiplus 12/3000/120 is showing up a fault, it had been replaced 3 months ago because of the same issue as indicated by the led's, can it just be removed? We also have 2 x mppt controllers 100/30 and 1 x 75/15 with 770w solar plus a BMV700, could you please advise us on wjat the tail current percentage should be, batteries are Lifeline GPL-L16T comprising of 800ah.

Cheers Rod Lewis.

If I connect a VE. Bus BMS (connected to Victron Smart LiFePO4) and a Skylla IP44 to a Venus GX, will the BMS be able to control (disconnect/connect) the charger without additional devices (remote disconnect)? Or, must I use the BMS charge disconnect output?

Good morning, hope everyone is well?

I am using a CCGX (with firmware version 2.33) to try and connect to two Dyness B4850 lithium batteries. According to the battery supplier, Victron and Dyness are compatible but I cannot seem to get the CAN communication between the two up and running. As a result the batteries are continuously going into protection mode because charge from the 3kW Multiplus and the BlueSolar 150/35 is not regulated by the CCGX.

Are the two products compatible and if so, what can I do to get them working together?

Thank you in advance.

I just installed an Easyplus inverter/charger, initially the fan ran a lot. Today I updated the firmware to enable the VE Bus Smart Dongle to see the Easyplus. Now the fan only runs when there is an overload condition. The smart dongle gets heat warnings, but the fan doesn't come on. If the inverter is overloaded, the fan will come on and run for a few seconds after the load is removed. The unit seems warm to the touch and the ambient temperature is over 30 deg C.

Is this normal with the latest firmware? I see in the firmware log that changes were made to reduce the fan run time after my unit was built. Firmware was 2606v154 and is now 2606v433

I have a multiples 12/3000/120 120v inverter/charger

I have this multiplus connected to Victron lithium battery’s.

Now to my problem, I have an American RV in Europe (that’s why the 120v inverter) for shore power I use a transformer to convert 230v 50hz to 110v 60hz now lately the transformer is given me problems and only producing 85-95 volts output. The Victron multiplus then reduces the watt input but still charging my battery’s with 350-180 watts.

I don’t get any notifications on my color controller but I can see that the line in is giving low voltage.

Now the plan was to get the transformer fixed but we are currently in lockdown in Spain, and now it’s been raining for four days so Even 300 watts input power would be nice to have but I don’t want to damaged the inverter or anything else.
Is the low voltage input dangerous for the inverter?

Thankful for any answers // Henrik

I have two independent systems; one 12v and one 48v. They are connected to the same Kohler generator for off grid charging.

For the 12v system I want to use a BMV-712’s generator auto start function when the 12v system hits the discharge limit.

For the 48v system, I want to use my 48/10000 Quattro or Cerbo GX‘s generator auto start function, when the 48v system hits the discharge limit.

Is this possible to use the BMV-712 and the Quattro/Cerbo GX in parallel on the genset remote start circuit? Which is the preferred trigger output for each system? I assume I need a diode on each output?

Thank you in advance for the advice.

Hi,

given the sunspec (modbus) support the current 3p SMAs have, could i expect an equivalent set of features and integration options as Fronius systems have already in the past ?

All of the tutorials I have read mention an option to select lithium as the battery type. I am not seeing this in my options. Am I doing something wrong?

I also chose my settings based on other tutorials, so feel free to tell me if they look bad :)

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Hi all,

I have an auto load query for mppt controllers.

Firstly our setup us as follows.

We have two arrays:

375 watt with a 100/30 Bluesolar with Bluetooth dongle

460 watt with a 100/50 Smartsolar

We have 720amphour battery bank of 6x 6volt Trojan batteries giving us a 12volt house bank.

My question is, we have a 12volt X 200watt immersion heater for our hot water calorifier on board Emerald.

Is there a way to use the street light function to switch the immersion on at say 14.6volts and off again at 13.6 Volts. As there is no load outlet on the mppt controllers how would we wire it in.

Many thanks for any help you can give. We are trying to use our excess power in the afternoons to automatically heat the water once the batteries are full.

Kind Regards
Colin and Nichola on Emerald
www.yachtemerald.com

Is the fan a common item, and is it easy to replace? Reason I am asking is that, even though the unit is still in warranty, I don't desire to send in the unit for a simple fan replacement, and not have the use of a critical system component during the turn-around time to replace by Victron. I've logged a support ticket, but have not gotten a response as yet - about 2 days ago.

What is happening is that the cooling fan will not spin unless I manually nudge one of the fan blades to start turning. I haven't had the multiplus for very long (less than 2 months), and began to realize that the fan has never functioned properly. I finally realized this when noticing that the charge time was longer, the charge amperage did not match with the charge amp parameter, and the unit goes into temperature warning when there's a sufficient inverter load (> 1500 watts). When I nudge the fan to start turning, the temperature lite goes out, and when charging I get the max amp as set in parameters.

I can hear a slight clicking sound when the cooling fan does turn, but not always. It doesn't take much of a nudge (plastic tie wrap to slight touch one of the fan blades will get the fan turning.

I have 2 24v batteries connected in series for a 48v system but one of the 24v is getting more charged than the other. Currently I have 2 150/35 MPPT controllers in parallel charging the 48v battery and it's monitored by a BMV-712 which needs to be the only thing connected directly to the negative 48v terminal to track the current in & out. The negative terminals for the solar panels & the MPPT controllers (both for solar in and the other for battery out) are connected to the chassis (to reduce loss from heat/save wiring, this is in a motorhome - side question: is this helping or hurting?).

1. If I connect the +/- terminals of one 24v battery directly to the +/- of one MPPT controller (and do this to the other 24v battery too), will this work or short? If so, how is the + terminal in the middle (of the 48v set) connected to the - of the other battery protected against a short when that - terminal is connected to the - of the MPPT controller?
2. Should I use a battery balancer for this issue instead?
3. Whether balancing with a balancer or using the MPPT controllers on the individual 24v batteries, how will the BMV accurately track current unless it's the only thing between the battery and ground?

20191206_125453.mp4Upon suggestion of Daniel (https://community.victronenergy.com/users/3218/danvic.html) here a summary of my issue.

Phoenix inverter 24/1200 230V VE.Direct IEC running at 230V 60Hz.

I took it from Holland to Philippines for my solar installation and it ran OK for 2 weeks. I used it mainly to run a washing machine (inverter unit, NO HEATING, max power 750W, as it is an inverter unit, it does not have starting surges) and some small workshop tools. It worked without any problems. I did not have an internet connection at the time, so it ran on the software version as purchased. At nigh, the unit is switched off. The previous unit was a 1000W unit and it ran under similar conditions without problems for 3 years until I got hit by a huge lightning strike and all my electronics blew up.

Then I got an internet connection and the unit started updating. No problem.

But the next day, the unit did not want to startup, the red/green lights are blinking alternately in 0.5 seconds tact. Maybe nothing to do with the software update, maybe just a co-incidence?

The tool on the 250VA inverter says: "No Calibration, return to Victron service for repair". which is a bit difficult as it was brought into the country "handcarry" and sending it back is a huge issue with the customs here..

Note: The batteries are new (24V 200Ah), there is no load connected during startup, with load connected, it does not help. Disconnecting the battery/reconnecting did not change the situation.

Any suggestions to get this unit back online?

Greetings from our warm island.

Paul

Screenshot_20191206-124846.jpgScreenshot_20191206-125217.jpg20191206_125329.jpgScreenshot_20191206-130230.jpg.

Hi everyone,

I have an off grid system with 6 quattro and 2 fronius with freedom won batteries. for the past two days system is going off meanwhile the battery is around 52V. when you remove the VE.bus cable from the Octogx, the system doesn't go off.

Please anyone have an idea about the problem, thank you

Question. 1
My 10KVA inverter periodically changes over into inverting mode even though the mains
power supplying the inverter is not switched off? my supplier (installer) says this is because the
incoming AC supply from the municipality is 'Dirty'. AC waveform seems ok to me.
+- 220v to 240v continuous.

Has anyone had or seen this behavior before?

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Question. 2
My batteries have also been giving me issues lately and the supplier replaced 2 of them last week
since they failed their load testing cycles
These are 8x 12v Victron AGM batteries. 2 x (4 x 12v) in Parallel with each other.

I noticed on one of the charging cycles after we had a municipal power failure the Batteries discharged to around 50v then the power came back on but the inverter tried charging the batteries at 52v this charge voltage should have surely been between 55v to 57v ?

Has anyone had this behavior before ?

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Thanks in advance

Hi,

I have a Victron Phoenix 12/375 (230V). I could not see any mention in the installation menu of it requiring a fuse on the DC supply side.

Is it required?

Thanks

Al

Hi, I'm having a really hard time trying to get my firmware updated.

I have a 2702 Multi. Current firmware 413 so I need to use VEFlash. I've disconnected all accessories and plugged the MK3 directly to the Multi.

Every time I try and run the VEflash program it says it can't connect.

• I'm using the USB MK3, it connects just fine using VEConfig.
• I've tried powering the Multi off DC and AC
• I've tried multiple computers
• I've tried upgrading to the 3 different firmware versions available for download
• I've tried changing the COM port assigned to the MK3.

I can't think of what else to try, it is really frustrating and I need the updates to the PowerAssist. Please let me know if you have any other ideas I can try.

Thx

Just Commissioned a CCGX and able to view on VRM, and have it shared, but cannot view on VRM World. Any ideas on solving this?

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hello guys have build a system , on paper so far, have the parts just need to check cable size and that everything is correct, open to any info/ suggestions 22 March for Graham-Page-5.pdf

I just expanded an existing installation by adding a 250/85 to an existing system with 2 x 150/70 charge controllers . All wired up this afternoon, but the new charge controller is just sitting in float rather than charging as well. The old chargers are in absorb and the new addition goes straight to float, meaning the new array is not doing anything . Is there a fix for this ? One thought I had is the the 150/70s are using the adaptive charging ( which I cant change) and the new one I have set to fixed absorb time . The 250/85 didn't even run through its full absorb time before going to float

thanks in advance

Hi I very new to all this and find it confusing.

Earlier this year I fitted a 75/15 SmartSolar and battery sense to my caravan, I have a newish wet 12v leisure battery, everything has been working fine, but the battery has always been fully charge, at this time of the year I am usually getting 2 to 3 watts. My caravan is fitted with a 80 watt mono solar panel

Yesterday I cleaned the caravan it was dirty under the panel so I used a small brush to clean, in the process I move the wiring connector out of the way. I had to move the caravan so had to use the caravan mover, this obviously took some energy out of the battery.

Now the App on my iPhone is reading 0 watts and 22v and is in bulk mode, this morning it was reading 0 watt and 20.9v in bulk mode, I have a fuse from the solar panel to the MPPT controller, I removed and replaced the fuse it went into absorption mode. I have just checked again it has gone back into bulk mode 0 watt 19.9 v. The voltage is charging. Though out all this the caravan battery is recording 12.84 volts.

Have I cause a problem with the solar connectors or all of this normal ?

What would be the ideal settings/recommendations for SOC for the Venus GX/MPPT to maximise the use of solar power and minimise the use of (expensive) grid or generator power on a yacht. Details: battery OPzS 980 Ah, Victron Quattro 24/8000, MPPT 100/50, 4 x 350 Wp solar array, grid 230 V 16 A, generator 4 Kw.

During the day there is a discharge of about 4.1 Kwh when not present. When just visiting during the day and using some equipment discharge will lead up to 5-6 Kwh. Fully living on the yacht will lead up to 9-10 Kwh per day. Yacht is fully equipped with fridge/freeze, oven, dishwasher, microwave, combination washing machine/dryer, central heating, led lights, etc.

My idea was to let consumers discharge the battery to 40 % before the grid/generator kicks in and the Quattro will start charging. Should the Quattro then charge to say 70 % and let the solar take over to charge to 100 %? Or maybe it is better to let the Quattro charge to 100 %?

Any thoughts?

Is 18awg OK to come from my 75/15charge controller to my leisure battery

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I have a raspberry pi running venus for logging. I have 2x 100/20 mppts and one Bmv 700 connected to that. My batteries are 24V 180Ah.

Today was the first time it could have gone past 20A charging current. It however stuck fast at 18.2A which is lower than one mppt stan alone without venus. I m thinking it uses the BMV capacity to reduce to 10% charge rate. I thought that was a DVCC feature which I have turned off however to be able to use the smart bluetooth network with a battery sense as the pi may fail or be turned off at any time due to low battery voltage.

Can I turn this functionality off?

What happens if one Mppt is throttled down and the pi fails. Will it be stuck throttled or will it go wide open right away?

Hi, today I connected my Venus GX V2.42 to my NMEA2000 network by terminating an n2k cable to the CAN2 screw terminals and into the network backbone. I now have three devices vsible on the network from N2K Analyzer and also my Simrad MFD's.

Device 1 is Quattro - Shorepower data displaying AC Voltage, Freq, Current and Power etc
Device 2 is Quattro - Inverter data displaying AC Voltage, Freq, Current, Power & Battery V and I
Device 3 is the Venus GX - Displaying product data but not much else

I was hoping that I would also be able to access the following;

BVM7XX Battery Voltage, Current, SOC, Temp, Aux Voltage for each BVM on the system (I will have 2 or more)

Tank data / Digital Inputs

MPPT Controller Data (I have 2 on my system)

Lastly, my Quattro unit is Version 1.0 - does this need an update? I have experienced problems lately where the inverter output drops off for a period of time before coming back on. When disconnected from the Venus the unit seems to be stable.

Thanks for any assistance / advice you can provide.

Greg

My current 12V system uses an Argo Fet 200 Amp to separate the starter battery bank from the house bank. Both banks are lead accid. I'm now looking for a way to keep the starter battery charged when not using the engine. My house bank has 2X 160W panels with a Victron 100/30 MPPT controler. (see attached diagram for more info).

I'm wondering if a Cyrix-ct 120A would do the trick, how to fit it in the current diagram and what the risks are? I would also like to be able to switch of the Cyrix when not needed (when we are on the boat)

Windhoos main DC power distribution-Windhoos main DC power-3.pdf

I use a MPPT 100/20 and a Liontron 100ah LiFePo Battery and want to know what the correct settings are. Thank you in advance.

Dear all, we have recently bought a Multi compact 12/800VA together with a SB SUNLIGHT AccuForce 12V - 150Ah Solar VRLA Battery in order to replace an ONLINE UPS in a on-Grid Photovoltaic 500kWp installation. The system works in 12V mode. The inverter charger is connected to the AC grid and the only load is the Protection Relay (SEPAM) from Schneider Electric installed on the Medium Voltage Switchgears Board. The charging mode is 99% in "Storage" mode cause the load is very little. The problem we are facing is that after two or three days of operating the Inverter goes to fault mode and the alarms we got is overload and today together with a Low Battery Alarm and the PV station goes out of the Grid. The only thing we do when the fault comes is to go and turn off and on the inverter/charger and the problem is (temporary) solved. Today the fault happened, we got a "grid lost" e-mail message, when we reached the inverter the fault was gone (only the green light when on), as it seems the inverter was inverting. We turned off and on the inverter and the inverter "saw" again the AC grid.

Since we bought the inverter we did not do any optimizations or changed any settings for example for the current output (everything is as it came from the distributor). The system also has a Color Control GX and we can monitor the system from the VRM Portal. Please see attached pictures, videos. Any ideas for the fault or settings needed are much appreciated! No clue why thr fault takes place, on the other hand the overload maybe comes because the SEPAM maybe draws a lot of current in order to power the motorized central medium voltage circuit breaker.20200316 Status Monitoring2.jpgfaults.jpginput current limit.jpgMV SEPAM.jpgBattery.jpgGrid connection restore.mp4

Hi, I have these equipments:

Separate Equipments:

- 1 pcs of Victron Quattro 48/15000/200-100/100

- 2 pcs of BlueSolar charge controller MPPT 150/85 CAN-bus

- 1 pcs of Victron CGX color controler

- 16 pcs AGM 12V 240AH Batteries

2 On grid Systems in the same place 2x27 KWh with 2 feed points in the same public grid.

- 2 pcs of Fronius Eco 27.0-3-S

- 192 pcs (2x96) of IPPP280W photovoltaic pannels

Unfortunately in Romania the specialists who know Fronius do not know Victron and viceversa.

Questions: Because we are in one area with a lot of long failure (sometimes days) in the public grid, it is possible to form a local micro-grid, with help of Victron Quattro, in case of public grid failure, in order to use the advantage of our two photovoltaic systems even if the public grid is off?

Actualy the problem that I face is that when the public grid is off, whole the system is off.

The system needs to meet the following:

1. Both on grid system will feed the surplus in public grid when this is on;

2. First priority is to feed the own consumers, then, the public grid (because the compensation with the public grid is 1/3) :(

3. During the public grid failure, it is possible to run on the batteries with small consumers (some TV and Lights) as a small backup system?

Best Regards,

Adrian Bondoc