Renogy Smart Shunt 300 Quick Manual
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RENOGY
Smart Shunt 300
RSHST-B02P300-G1
B1
B2
T1
QUICK GUIDE
VERSION A0

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Summary of Contents for Renogy Smart Shunt 300

  • Page 1 RENOGY Smart Shunt 300 RSHST-B02P300-G1 VERSION A0 QUICK GUIDE...
  • Page 2 Renogy is not responsible or liable for any failure, damage, or injury resulting from repair attempts by unqualified personnel, improper installation, or inappropriate operation.
  • Page 3: Table Of Contents

    Table of Contents What’s In the Box?................................1 Dimensions ..................................1 Get to Know Renogy Smart Shunt 300 .......................... 2 Renogy Smart Shunt 300 System Setup ........................3 Required Tools & Accessories ............................4 How to Size Bare Wires? ..............................5 Check System Voltage and Current ..........................5 Step 1.
  • Page 4: What's In The Box

    What’s In the Box? Renogy Smart Shunt 300 × 1 ST4 x 18 mm RENOGY Smart Shunt 300 RSHST-B02P300-G1 VERSION A0 QUICK GUIDE Quick Guide × 1 Mounting Screws x 3 (1 extra) 3/8 in (M10) B1/B2 Wires (1 m) (22 AWG) × 2 Temperature Sensor (1.5 m) ×...
  • Page 5: Get To Know Renogy Smart Shunt 300

    Get to Know Renogy Smart Shunt 300 █ Exterior Upper Cover Mounting Hole Mounting Hole Power LED Indicator Bluetooth LED Indicator Lower Cover RESET Button █ Interior (with the covers removed) P- Terminal (M10) B- Terminal (M10) B1 and B2 Terminals...
  • Page 6: Renogy Smart Shunt 300 System Setup

    Renogy Smart Shunt 300 System Setup Positive Negative Temperature BAT+ BAT- Main Battery Starter Battery (optional) Loads / Chargers / Inverters You can connect the Smart Shunt 300 to a starter battery via the B2 port on demand. — 3 —...
  • Page 7: Required Tools & Accessories

    The diagrams provided within this manual are for illustrative purposes only. For how to use Wire stripper, Heat Shrink Tubing, Manual Hydraulic Pliers, and Heat Gun to install 3/8 in Lugs (M10 Ring Terminals), visit renogy.com/support/downloads to check Smart Shunt User Manual.
  • Page 8: How To Size Bare Wires

    How to Size Bare Wires? Select proper bare wires based on the ampacity in your power system. Refer to the table below for copper cable ampacities with different gauge sizes. Cable Gauge Size Ampacity Cable Gauge Size Ampacity 14 AWG (2.08 mm²) 2 AWG (33.6 mm²) 190A 12 AWG (3.31 mm²)
  • Page 9: Step 1. Plan A Mounting Site

    Step 1. Plan a Mounting Site Select a proper mounting site to ensure the shunt can be safely connected to the battery and other necessary devices with the relevant cables. Install the shunt in a clean, cool, and dry location, free from any accumulation of water, oil, or dirt.
  • Page 10: Step 3. Remove The Covers

    Step 3. Remove the Covers █ Remove the Upper Cover █ Remove the Lower Cover — 7 —...
  • Page 11: Step 4. Connect The Shunt To The Main Battery Negative

    Step 4. Connect the Shunt to the Main Battery Negative Renogy Smart Shunt 300 STEP-1 Install the bare wire on the shunt B- terminal. 173.5—224.8 in·lbs (19.6—25.4 N·m) Bare Wire STEP-2 Install the bare wire on the battery negative. Main Battery You can connect a main battery to the B- terminal because connecting other devices to this terminal may affect the shunt’s accuracy in current detection.
  • Page 12: Step 5. Connect The Shunt To The Device Bat

    Step 5. Connect the Shunt to the Device BAT- Renogy Smart Shunt 300 STEP-1 Install the bare wire on the shunt P- terminal. 173.5—224.8 in·lbs (19.6—25.4 N·m) Bare Wire STEP-2 Install the bare wire on the device BAT-. BAT- BAT- Loads &...
  • Page 13: Step 6. Connect The Shunt To The Main Battery Positive

    Step 6. Connect the Shunt to the Main Battery Positive Renogy Smart Shunt 300 STEP-1 Install the B+ wire on the shunt B1 terminal. Open Close B1 Wire STEP-2 Install the B+ wire on the main battery positive. Main Battery...
  • Page 14: Step 7. Connect The Shunt To The Starter Battery Positive (Optional)

    Step 7. Connect the Shunt to the Starter Battery Positive (Optional) Renogy Smart Shunt 300 STEP-1 Install the B+ wire on the shunt B2 terminal. Open Close B2 Wire STEP-2 Install the B+ wire on the starter battery positive. Starter Battery...
  • Page 15: Step 8. Install A Battery Temperature Sensor

    Step 8. Install a Battery Temperature Sensor The temperature sensor measures the temperature of the main battery and sends the temperature value to the DC Home app. The app displays a low/high temperature alarm when the battery temperature reaches a preset limit. Temperature Sensor Battery Temperature Sensor Port...
  • Page 16: Step 10. Install The Covers

    Step 10. Install the Covers █ Install the Lower Cover █ Install the Upper Cover (Optional) Installing the Upper Cover is optional in cases where the terminals are not enclosed by the cover. — 13 —...
  • Page 17: Step 11. Power On

    If the Power LED Indicator fails to illuminate, please inspect the cables for any signs of short circuits or loose connections. If the issue persists, please reach out to our technical support team via renogy.com/contact-us. LED Indicators Power LED Indicator...
  • Page 18: Bluetooth Pairing

    Bluetooth Pairing To ensure optimal system performance, keep the phone or RENOGY ONE Core within 10 feet (3 m) of the shunt. █ Initial Pairing: 1. Open the app or RENOGY ONE Core. 2. Search and pair the Smart Shunt.
  • Page 19: Energy Monitoring

    Energy Monitoring Depending on the specific application, the shunt can establish either short-range or long-range communication connections with monitoring devices. These monitoring devices including RENOGY ONE Core and DC Home facilitate real-time monitoring, programming, and complete system management, offering comprehensive control and enhanced flexibility.
  • Page 20 █ Wireless Long-Range Monitoring If long-range communication and programming are required, connect the shunt to RENOGY ONE Core (sold separately) through Bluetooth, and the RENOGY ONE Core to the DC Home app through Wi-Fi. Recommended Components *RENOGY ONE Core Components marked with “*”...
  • Page 21 Internet On after successful pairing — 18 —...
  • Page 22: Troubleshooting

    Troubleshooting You can receive fault alarms on DC Home and RENOGY ONE Core when the shunt is faulty. Please login to the DC Home app or RENOGY ONE Core for troubleshooting details. To access troubleshooting details, check Smart Shunt User Manual renogy.com/support/...
  • Page 23: Important Safety Instructions

    Important Safety Instructions █ General z Wear proper protective equipment and use insulated tools during installation and operation. Do not wear jewelry or other metal objects when working on or around the shunt. z Keep the shunt out of the reach of children. z Do not dispose of the shunt as household waste.
  • Page 24 To discuss inaccuracies or omissions in this quick guide or user manual, visit or contact us at: renogy.com/support/downloads contentservice@renogy.com Questionnaire Investigation To explore more possibilities of solar systems, visit Renogy Learning Center at: renogy.com/learning-center For technical questions about your product in the U.S., contact the Renogy technical support team through: renogy.com/contact-us 1(909)2877111 — 21 —...
  • Page 25 Renogy and its licensors. The quick guide may not be modified, reproduced, or copied, in whole or in part, without the prior written permissions of Renogy and its licensors. z The registered trademarks in the quick guide are the property of Renogy. The unauthorized use of the trademarks is strictly prohibited.
  • Page 26 FCC Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.
  • Page 27 Renogy Power PLUS Renogy Power Plus allows you to stay in the loop with upcoming solar energy innovations, share your experiences with your solar energy journey, and connect with like-minded people who are changing the world in the Renogy Power Plus community.

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