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ENGLISH
Multi RS Solar
Rev 08 - 07/2023
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Summary of Contents for Victron energy Multi RS Solar 48/6000/100-450/100

  • Page 1 ENGLISH Multi RS Solar Rev 08 - 07/2023 This manual is also available in HTML5.
  • Page 2: Table Of Contents

    Multi RS Solar Table of Contents 1. Multi RS Solar Product Manual ....................1 2. Safety Instructions ........................2 3. General Description ......................... 4 3.1. Two AC outputs ......................4 3.2. PowerControl - maximum use of limited AC power ..............4 3.3.
  • Page 3 Multi RS Solar 5.3.4. High temperature ....................30 6. Troubleshooting Guide - MPPT ....................31 6.1. Troubleshooting and support ..................... 31 6.2. The solar charger is unresponsive ..................31 6.3. Solar charger is off ......................31 6.3.1. PV voltage too low ....................32 6.3.2.
  • Page 4: Multi Rs Solar Product Manual

    You must read it to understand how to use your product safely and reliably. This manual applies to: • Multi RS Solar 48/6000/100-450/100 - PMR482602020 IMPORTANT - The Multi RS Solar has limitations and restrictions that are subject to change with updates to firmware - please contact your Victron Dealer or Victron Sales Manager prior to purchase to understand these limitations and if this product is suitable for your specific application.
  • Page 5: Safety Instructions

    Multi RS Solar 2. Safety Instructions ELECTRIC SHOCK HAZARD Please read this manual carefully before the product is installed and put into use. This product is designed and tested in accordance with international standards. The equipment should be used for the designated application only.
  • Page 6 Multi RS Solar If the maximum AC mains operating voltage is higher than the PV array maximum system voltage, then the instructions shall require PV modules that have a maximum system voltage rating based upon the AC mains voltage. Environment and Access Ensure that the equipment is used under the correct ambient conditions.
  • Page 7: General Description

    Multi RS Solar 3. General Description The Multi RS Solar is a combined inverter/charger and MPPT solar charger. It is designed to operate with a 48V battery bank and produces a pure AC sine wave at 230V. 3.1. Two AC outputs Besides the usual uninterruptible output (AC-out-1), an auxiliary output (AC-out-2) is available that disconnects its load in the event of battery-only operation.
  • Page 8: High Efficiency

    Multi RS Solar 3.8. High efficiency Outstanding inverter/charger efficiency - Maximum efficiency of 96%. The inverter is short circuit proof and protected against overheating, whether due to overload or high ambient temperature. Ultra-fast Maximum Power Point Tracking (MPPT) - Especially in case of a clouded sky, when light intensity is changing continuously, a fast MPPT algorithm will improve energy harvest by up to 30% compared to PWM charge controllers and by up to 10% compared to slower MPPT controllers.
  • Page 9: Battery Charger

    Multi RS Solar Configure with the VictronConnect app. Available for iOS, Android devices, as well as macOS and Windows computers. A VE.Direct to USB accessory is required for Windows systems; enter VictronConnect in the search box on our website and see the VictronConnect download page for details.
  • Page 10: More On Batteries And Battery Charging

    Multi RS Solar 3.12.3. More on batteries and battery charging Our book 'Energy Unlimited' offers further information on batteries and battery charging, and is available free of charge on our website: https://www.victronenergy.com/support-and-downloads/technical-information. For more information on adaptive charging, please also refer to the General Technical Information on our website. Victron provides a comprehensive Online Training program via the https://www.victronenergy.com.au/information/training portal.
  • Page 11 Multi RS Solar For example, a normal output current variation range is 100A at 48VDC/180VAC to 67A at 60VDC/180VAC. It is normal behaviour that output may reduce below these maximum charge current specifications due to ambient temperature and airflow. AC2 output is not programmable or relay controlled AC2 output is internally hard wired to the AC input.
  • Page 12: Installation

    This product contains potentially dangerous voltages. It should only be installed under the supervision of a suitable qualified installer with the appropriate training, and subject to local requirements. Please contact Victron Energy for further information or necessary training. Excessively high ambient temperature will result in the following: ·...
  • Page 13: Solar Array Configuration

    Multi RS Solar Model 450/100 Battery capacity Lead-acid 200 Ah Battery capacity Lithium 50 Ah Recommended DC fuse 125 A - 150 A Minimum cross section (mm2) per + and - connection terminal 0 - 2 m 35 mm 2 - 5 m 70 mm Consult battery manufacture recommendations to ensure the batteries can take the total charge current of the system.
  • Page 14: Mppt Grounding, Detection Of Pv Array Insulation Faults & Earth Fault Alarm Notification

    Multi RS Solar Table 2. PV Array Example Panel Type Vmpp Impp # of panels Max String Power total Voltages Victron 260W (60 36.75 V 30 V 9.30 A 8.66 A #1 - 8 304 V 4160 W cell) #2 - 8 4.4.
  • Page 15: Connection Of The Ac Cabling

    Multi RS Solar • Tighten the nuts to the prescribed torques for minimal contact resistance. 4.7. Connection of the AC cabling This is a safety class I product (supplied with a ground terminal for safety purposes). Its AC input and/or output terminals and/or grounding point on the inside of the product must be provided with an uninterruptible grounding point for safety purposes.
  • Page 16: Ve.can

    Multi RS Solar 4.9. VE.Can Used to connect to a GX Device, and/or daily-chain communications to other VE.Can compatible products such as the VE.Can MPPT range. 4.10. Bluetooth Used to connect to the device via VictronConnect for configuration. Note that this Bluetooth interface is not compatible with VE.Smart Networking (i.e Smart Battery Sense). 4.11.
  • Page 17: Programmable Analog/Digital Input Ports

    Multi RS Solar 4.11.5. Programmable analog/digital input ports The product is equipped with 2 analog/digital input ports, they are labelled AUX_IN1+ and AUX_IN2+ on the removable User I/O terminal block. The digital inputs are 0-5v, and when a input is pulled to 0v it is registered as 'closed' These ports can be configured in VictronConnect.
  • Page 18: Settings

    Multi RS Solar Note: These instructions can apply to different products and configurations, where battery voltage is referred to in these instructions, a 12V battery is used as a reference point. Please multiply the given values by 4 to arrive at settings for an installation configured for the 48V battery system.
  • Page 19 Multi RS Solar Charger settings - Battery preset Battery preset allows you to select the battery type; accept factory defaults; or enter your own preset values to be used for the battery charge algorithm. The Absorption voltage, Absorption time, Float voltage, Equalisation voltage and Temperature compensation settings are all configured to a preset value - but can be user-defined.
  • Page 20 Multi RS Solar • 250 = every 250 days Equalization is typically used to balance the cells in a lead battery, and also to prevent stratification of the electrolyte in flooded batteries. Whether (automatic) equalization is necessary, or not, depends on the type of batteries, and their usage. Consult your battery supplier for guidelines.
  • Page 21: Generator Programming

    Multi RS Solar With a temperature sensor installed to the User I/O connection block; the actual battery temperature will be used for compensation; throughout the day. Low temperature cut-off This setting can be used to disable charging at low temperatures as required by Lithium batteries. For Lithium Iron Phosphate batteries this setting is preset at 5 degrees Celsius, for the other battery types it is disabled.
  • Page 22: Ups Behaviour

    However the load is still supplied continuously with at least >160Vrms. The AC input relay is always opened within 200ms. Victron Energy does not recommend the use of this product in life support applications where failure or malfunction of Victron Energy's product can be reasonably expected to cause the failure of the life support device or to significantly affect its safety or effectiveness.
  • Page 23 Multi RS Solar This relay can also be setup to purposefully ignore the grid. It will still perform its normal safety action but it can open and disconnect from the grid under more situations. It can ignore the grid when the batteries are still full enough. Now DC solar power can be prioritized and the grid will be used like a backup generator When can the grid be controlled? The AC input relay can be programmed to selectively ignore the grid, while looking at two parameters: It can look at battery...
  • Page 24: Inverter Modes

    This could be a reason to choose the “bulk finished” option. At the end of the bulk charge stage a lead-acid battery is about 85% full. For more information about bulk and absorption please see the Victron Energy book “Energy Unlimited”, page 25. Follow this link: https://www.victronenergy.com.au/orderbook...
  • Page 25: Ess Controls

    Multi RS Solar The solar charger is still active in this mode. Pass Through This mode closes the AC input relay and passes through AC voltage from the AC input to the AC output while the inverter/charger remains off. The solar charger remains active. 4.12.7.
  • Page 26: Connecting To Ac Pv Inverters

    Multi RS Solar 4.13. Connecting to AC PV inverters The Multi includes a built in AC PV inverter detection system. When there is a feedback of AC PV (a surplus) from the AC-out connection port, the Multi will automatically enable an AC output frequency adjustment. While no further configuration is required, it is important that the AC PV inverter is configured correctly to respond to the frequency adjustment by reducing its output.
  • Page 27: Phase Programming

    Multi RS Solar The factory default is for stand alone, single unit operation. If you wish to program for three phase operation, it requires at least 3 units. The maximum supported system size is 3 units in total, with a single unit on each phase. Unit 2 Unit 3 Unit 1...
  • Page 28 Multi RS Solar It is recommended to physically label the front of each unit, as well as give it a custom name in VictronConnect to match the physical label. Prevent CAN network islanding toggle This feature determines what the system does in case of a broken CAN connection between the RS units, and enables the 'Number of inverters in the system' setting below.
  • Page 29 Multi RS Solar It is possible to configure the system so that if one unit is offline (for example due to it being physically switched off or a firmware update in case there is no grid connection to allow pass-thru), the other units can continue to operate and provide AC output power to their respective phases.
  • Page 30: Operation

    Multi RS Solar 5. Operation 5.1. Device display The Multi RS Solar has an LCD screen that displays operational information. Inverter: Inverter state, Power output, Frequency and AC Voltage Battery: Battery Power (charging shows positive number, discharging shows negative number), Current, DC voltage, Temperature (*), State-of-charge (*) and Time-to-go (*).
  • Page 31: History - Thirty-Day Graphic

    Multi RS Solar Battery, fill corresponds with voltage, blinks when empty 5.2. History - Thirty-day graphic (The fragmented square icon (top left) allows you to toggle between 'portrait' and 'landscape' screen presentations.) A summary of activity for the last 30 days is presented graphically. Swipe the bar left or right to show any of the previous 30 days. The daily log shows: •...
  • Page 32: Protections And Automatic Restarts

    Multi RS Solar This is an example of the exported data for 3 of 30 days: Battery Voltage The first figure shows the maximum battery voltage for the day …the figure below is the minimum battery voltage. Errors Shows the number of errors (if any) for the day, to see the error codes click on the orange point. See MPPT Solar Charger Error Codes.
  • Page 33: Low Battery Voltage Thresholds (Adjustable In Victronconnect)

    Multi RS Solar 5.3.2. Low battery voltage thresholds (adjustable in VictronConnect) The inverter will shut down when the DC input voltage drops below the low battery shutdown level. After a minimum shutdown time of 30 seconds, the inverter will restart if the voltage has risen above the low battery restart level. After three shut down and restarts, followed by a low battery shutdown within 30 seconds of restarting, the inverter will shut down and stop retrying based on the low battery restart level.
  • Page 34: Troubleshooting Guide - Mppt

    Start by checking the common issues described here. If the problem persists, contact the point of purchase (Victron dealer or distributor) for technical support. If you're unsure who to contact or if the point of purchase is unknown, refer to the Victron Energy Support webpage. 6.2. The solar charger is unresponsive The solar charger is unresponsive (inactive) if the display is not illuminated, there is no charging activity, and it is not communicating with the VictronConnect app via Bluetooth or the VE.Direct port.
  • Page 35: Pv Voltage Too Low

    Multi RS Solar VictronConnect app – Why is the charger off? Reasons why the solar charger is off: • There is insufficient PV power. • The settings being edited on an external display • The charger is disabled in the settings. •...
  • Page 36: Reverse Pv Polarity

    Multi RS Solar • Seasonal differences. • Wrong orientation and/or inclination. Problems with a panel or panel wiring: • Mechanical or electrical issue with an individual panel (or multiple panels). • Wiring problems. • Blown fuses. • Open or faulty circuit breakers. •...
  • Page 37: Battery Is Full

    Multi RS Solar The VictronConnect app shows a close to zero charge current. There are a number of reasons why this can happen, namely: • The battery is full, and no more current is needed. • The solar charging is not connected to the battery (cable, fuse or circuit breaker issues). •...
  • Page 38: Battery Settings Too Low

    Multi RS Solar • A blown (or missing) fuse in the battery supply cable. • Open (or faulty) circuit breaker in the battery supply cable. • Missing or incorrectly wired battery cables. Battery voltage check Use the VictronConnect app, a connected display or a GX device to read the solar charger battery voltage or use a multimeter to measure the battery voltage at the terminals of the controller.
  • Page 39: Reverse Battery Polarity

    Multi RS Solar VictronConnect app, showing battery (system) voltage, charge current and charge voltages settings. 6.5.4. Reverse battery polarity Reverse polarity is when the positive and the negative battery cable have been accidentally swapped. The battery negative has been connected to the positive solar charger terminal and the battery positive has been connected to the negative solar charger terminal.
  • Page 40: Insufficient Solar

    Multi RS Solar • The batteries are not fully charged at the end of the day. • The charge current from the solar charger is less than expected. 6.6.1. Insufficient solar Check if the solar charger reaches the float charge stage each day. To investigate look at the history tab in the VictronConnect app.
  • Page 41: Wrong Temperature Compensation Setting

    Multi RS Solar Battery cable voltage drop check This check must be performed while the charger is charging with a full current. Typically best done in the morning. Use the VictronConnect app to check the output current. Measure the voltage on the battery terminals of the solar charger using the VictronConnect app or a multimeter. Measure the battery voltage on the terminals of the battery using a multimeter.
  • Page 42: Battery Old Or Faulty

    Multi RS Solar Generally speaking, sealed batteries as well as lithium batteries don’t need and therefore should not be equalized. 6.7.3. Battery old or faulty A battery that is at the end of its service life or has been damaged by incorrect use, can be prone to being overcharged. A battery contains a number of cells that are connected in series.
  • Page 43: Pv Yield Less Than Expected

    Multi RS Solar 6.8.1. PV yield less than expected Check the solar charger history in the VictronConnect app. Check the total maximum power (Pmax) for each day. Does this match the array power? To find the potential solar yield per day for a specific PV array size in a specific geographical location, use the MPPT sizing calculator on the solar charge controller product page.
  • Page 44: Mixed Pv Panel Types

    Multi RS Solar In case the solar charger heats up quicker than expected, pay attention to the way it has been mounted. Mount it in such a way that the generated heat can dissipate. Ideally mount the solar charger on a vertical surface with the terminals facing downwards. If the solar charger is located in a closed enclosure, such as a cabinet, make sure that cold air can enter and hot air can leave the enclosure.
  • Page 45: Communication Problems

    Multi RS Solar When investigating a high voltage issue, also look at the history of the VictronConnect app, solar charger display or GX device. Check the highest PV voltage for each day (Vmax) and also look for past overvoltage warnings. VictronConnect app: screenshot of an Error #33 and a screenshot of the history indicating an error Check the open circuit voltage (Voc) rating of the PV array.
  • Page 46: Ve.direct Port

    Multi RS Solar Some steps to try to resolve this issue are: Press the orange refresh button at the bottom of the VictronConnect app device list and check if the solar charger is now listed. Only one phone or tablet can be connected to the solar charger at any given time. Make sure no other devices are connected and try again.
  • Page 47: Error Code Overview

    Multi RS Solar 6.10. Error code overview The error codes are displayed on the VictronConnect app, display or connected GX device. For the most up-to-date version of this list see this link: https://www.victronenergy.com/live/mppt-error-codes. Note that not all of these errors might apply to your product. Some error types only apply to solar chargers, DC-DC chargers or AC chargers or are specific only to certain models within a charger group.
  • Page 48 Multi RS Solar Error 21 - Current sensor issue • The current measurement is out of range. Disconnect all wires, and then reconnect all wires, to make the charger restart. Also, make sure the minus on the MPPT charge controller (PV minus/Battery minus) is not bypassing the charge controller. This error will not auto-reset.
  • Page 49 Multi RS Solar Error 38, Error 39 and Error 80 to Error 78 - PV Input shutdown • When these errors show, the PV Input is internally shorted in order to protect the battery from over-charging. Prior to any other trouble shooting, make sure to update to the latest firmware version. Possible reasons for this error to occur: •...
  • Page 50 Multi RS Solar Error 54 - Inverter output voltage • If the battery voltage is getting low and a large load is applied to the AC output the inverter is unable to maintain the proper output voltage. Re-charge the battery or reduce the AC loads to continue operation. If the error immediately pops up when switching on the inverter (without load) on a full battery the cause is most likely a broken internal fuse.
  • Page 51 Multi RS Solar Error 70 - Network misconfigured • Applies to Inverter RS models. Firmware versions 1.11 and higher. The Inverter RS model used cannot be paired with a Multi RS and/or Transfer Switch. Only Inverter RS models with a production code newer than HQYYWW can be used for this purpose.
  • Page 52 Multi RS Solar First, make sure to update the firmware to v1.08 or later. The limits were too strict in earlier versions. And it could trigger falsely during MPPT start-up in the morning and MPPT shutdown in the evening. If the error still occurs after updating to v1.08 or later, then it means that a measurement circuit inside the unit is broken. This error will not auto-reset.
  • Page 53: Technical Specifications

    Multi RS Solar 7. Technical Specifications Multi RS Solar 48/6000/100-450/100 - PMR482602020 PowerControl & PowerAssist Transfer Switch 50 A Maximum AC input and pass- 50 A through current INVERTER DC Input voltage range (1) 38 – 62V AC Output (2) Output voltage: 230 Vac ±...
  • Page 54 Multi RS Solar Multi RS Solar 48/6000/100-450/100 - PMR482602020 Charge voltage 'float' default: 55.2 V (adjustable) Maximum charge current from AC 88 A @ 57.6V Total maximum combined charger 100 A current (AC + PV) Battery temperature sensor Included Battery voltage sense...
  • Page 55 Multi RS Solar Multi RS Solar 48/6000/100-450/100 - PMR482602020 1) Minimum start-up voltage is 41 VDC. Over-voltage disconnect: 65,5 V. 2) Can be adjusted to 240VAC and 60 Hz 3) Peak power capacity and duration depends on start temperature of heatsink. Mentioned times are with cold unit.
  • Page 56: Appendix

    Multi RS Solar 8. Appendix 8.1. Appendix A : Connection Overview Figure 2. Multi RS Solar Front Page 53 Appendix...
  • Page 57 Multi RS Solar Figure 3. Multi RS Solar Bottom Figure 4. User I/O User I/O Connector is located on bottom left side of connection area, diagram shows 3 perspectives. Left Side - Top - Right Side Table 4. User I/O Functions - See Installation Section for more details. Number Connection Description...
  • Page 58: Appendix B : Block Diagram

    Multi RS Solar 8.2. Appendix B : Block Diagram Figure 5. Multi RS Solar 8.3. Appendix C : Example Wiring Diagram Multi RS Solar – Dual tracker GX device AC input grid connection 2 PV array trackers VE.Can Connections Up to 3 kW - 80 V –...
  • Page 59 AC Input Inverting AC Loads IMPORTANT INFORMATION ! IMPORTANT INFORMATION ! IMPORTANT INFORMATION ! victron energy 425W WORLD Solar array configuration setup info-1 Solar array configuration setup info-2 Solar array configuration setup info-3 The Multi RS Solar Dual Tracker contains multiple When the RS MPPT switches to float stage it reduces the battery charge current by The Multi RS Solar has a built in AC PV inverter detection system.
  • Page 60: Appendix D : Dimensions

    Multi RS Solar 8.4. Appendix D : Dimensions Figure 7. Multi RS Solar Page 57 Appendix...

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