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Summary of Contents for Renogy DCDC30
- Page 1 Dual Input DC-DC On Board Battery Charger w/ MPPT 30A | 50A Version 1.0...
- Page 2 Battery Charger. Do not operate the Battery Charger unless you have read and understood this manual and the charger is installed as per these installation instructions. Renogy recommends that the charger be installed by a qualified professional. Store it in a safe place.The following symbols are used throughout the manual to indicate poentially...
- Page 3 General Safety DANGER In the event of fire，use a fire extinguisher that is suitable for electrical devices. WARNING Only use the product as intended. Make sure all connections going into and from the product are tight Disconnect the product from the battery ——each time before cleaning and maintenance ——before a fuse change (only by specialists) Do NOT allow water to enter the product...
- Page 4 Safety when connecting the product electronically Danger of fatal electric shock! DANGER For installation on boats: If electrial devices are incorrectly installed on boats，this can lead to corrosion damage on the boat. Have the product installed by a qualified (boat) electrician. If you are working on electrical systems,ensure that there is somebody close at hand who can help you in emergencies.
- Page 5 Battery Safety WARNING Batteries may contain aggressive and corrosive acids. Avoid battery fluid coming into contact with your body. If your skin does come into contact with battery fluid,thoroughly wash that part of your body with water. If you sustain any injuries from the acids，contact a doctor immediately.
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Page 6: Table Of Contents
Table of Contents General Information Product Overview Identification of Parts Dimensions Additional Components Installation Mount the Battery Charger Connect the Battery Charger Typical Setup Cable and Fuse Sizing Operation LED Indicators Charging Logic Solar Charger Algorithm Trouble shooting Technical Specification... - Page 7 General Information The Renogy Dual Input DC-DC On Board Battery Charger w/ MPPT is designed to charge your service battery to 100% from two inputs: solar and alternator. Featuring multi-battery compatibility including Lithium, this DCDC utilizes alternator power, solar power with MPPT...
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Page 8: Product Overview
Product Overview Identification of Parts BVS+ BVS- IGN+ Key Parts Labeling Description Positive (+) input terminal for the PV Array. Requires ring terminal ALT+ Positive (+) input terminal from the Starter Battery OUT+ Positive (+) output terminal for House Battery Common Negative (-) Terminal for Solar Panel Array, NEG- Starter Battery, and House Batt... -
Page 9: Dimensions
Key Parts Labeling Description Ignition Signal Input port for triggering the battery charger for smart alternators. IGN wire recommended 18-16AWG . Standard/Traditional Alternator –has a fixed voltage IGN+ when charging (Do not connect IGN wire) Smart Alternator—has a controlled charging output based on operating conditions Variable. -
Page 10: Additional Components
Additional Components Additional components included in the package: Battery Temperature Sensor The proper battery charging voltage is important for optimum battery performance and longevity. This Remote Temperature Sensor measures temperature at the battery, allowing the DC-DC charger to use this data for accurate temperature compensation and charge voltage adjustment. -
Page 11: Installation
Installation Mount the Battery Charger DANGER Never mount the product in areas where there is a risk of gas or dust explosion. CAUTION Ensure a secure stand! The product must be set up and fastened in such a way that it cannot tip over or fall down. NOTICE Do not expose the product to any heat source (such as direct sunlight or heating). - Page 12 Connecting Temperature Sensor The temperature sensor will have a green housing connector on one end and a metal probe on the other. Simply align and connect the green housing to the BTS terminal on the DCDC. Place the probe end of the sensor near or on top of the battery to monitor temperature in the area.
- Page 13 Connecting Battery Voltage Sensor Connect the Battery Voltage Sensor connector to the BVS port. Connect the positive line to the left side of the green housing and then connect the negative line to the right side of the green housing. You will need to open the wire terminal utilizing the screws on top of the green housing.
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Page 14: Connect The Battery Charger
Connect the Battery Charger WARNING Do not reverse the polarity. Reverse polarity of the battery connections can cause injury and damage the device. CAUTION Avoid coming into contact with the battery fluid under any circumstances. Batteries with a cell short circuit should not be charged as explosive gases may form due to the battery overheating. -
Page 15: Typical Setup
Do not exceed 16 N-m / 3.3 ft-lb Cable and Fuse Sizing Fusing Model Rated Current Vehicle Input Fuse Rating Charger Output Fuse Rating DCDC30 DCDC50 Cable sizing Cable Length (m) Model Cable Length (ft) Recommended Cable Size... -
Page 16: Operation
Operation LED Indicators Solar Charging Indicator Color Status Description Bulk charge (MPPT) Slow Flashing Boost charge Single Flashing Float charge Fast Flashing Equalizing charge Double Flashing Current-limit charge Not charging Service Battery Indicator Color Status Description Green Battery Full Yellow Battery voltage normal Battery undervoltage Slow Flashing... -
Page 17: Charging Logic
The DCDC will stop charging if the alternator input voltage is higher than 16.5V, and recover to charge when the voltage is lower than 15.5V. The maximum alternator charging for the DCDC30 is 30A and the DCDC50 is 50A. Solar Panel Input Connect solar panel, starting battery and service battery (Engine not running). -
Page 18: Solar Charger Algorithm
DCDC30: 15A from alternator, up to 15A from solar for a total of up to 30A. b. DCDC50: 25A from alternator, up to 25A from solar for a total of up to 50A. Operating Temperature The DCDC will lower the output power when its internal temperature is in the range from 65℃... - Page 19 Limiting Effectiveness Temperature is a huge enemy of solar modules. As the environmental temperature increases, the operating voltage (Vmp) is reduced and limits the power generation of the solar module. Despite the effectiveness of MPPT technology, the charging algorithm will possibly not have much to work with and therefore there is an inevitable decrease in performance.
- Page 20 Constant Charging: When the battery reaches the constant voltage set point, the charger will start to operate in constant charging mode, where it is no longer MPPT charging. The current will drop gradually. This has two stages, equalize and boost, and they are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating of the battery.
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Page 21: Troubleshooting
Troubleshooting Do not open the device. You risk exposing yourself to an electric shock by doing this. CAUTION If you have detailed questions about the battery charger, please contact our NOTE customer support (addresses on the back of the instruction manual). Solar Charging Indicator Troubleshoot Ensure that the Solar Panel is not being shaded (by a tree... -
Page 22: Technical Specification
Technical Specification Product RBC30D1S RBC50D1S System Voltage 12VDC Battery Voltage Range 9~16VDC Maximum Charging Current Battery Type SLA, GEL, FLD, LI, USER Service Battery Charging Mode MPPT Charging Efficiency Up to 97% Max. Solar Input Voltage Max. Solar Input Power 400W 660W Traditional Alternator: 13.2-16VDC... - Page 23 Battery Charging Parameters Battery Type SEALED/AGM FLOODED LI (LFP) USER Over-voltage Warning 16 V 16 V 16 V 16 V 9~17V Charging Limit Voltage 15.5 V 15.5 V 15.5 V 15.5 V 9~17V Over-voltage Recover 15 V 15 V 15 V 15 V 9~17V Boost Charge Voltage...
- Page 24 RENOGY.COM Renogy reserves the right to change the contents of this manual without notice. 2775 E Philadelphia St, Ontario, CA 91761, USA 909-287-7111 www.renogy.com support@renogy.com 苏州高新区科技城培源路1号5号楼-4 400-6636-695 https://www.renogy.cn support@renogy.cn https://www.renogy.jp supportjp@renogy.com https://ca.renogy.com supportca@renogy.com https://au.renogy.com supportau@renogy.com https://uk.renogy.com supportuk@renogy.com https://de.renogy.com supportde@renogy.com...
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