Valefod 8-36V to 12V 10A 120W (VA-0154-60)

Valefod DC to DC Buck-Boost Converter Instruction Manual

Model: 8-36V to 12V 10A 120W (VA-0154-60)

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Valefod DC to DC Buck-Boost Converter. This device is designed to efficiently convert a variable DC input voltage (8V to 36V) to a stable 12V DC output, suitable for a wide range of applications.

2. Safety Information

  • Ensure the input voltage is within the specified range of DC 8V to 36V. Exceeding this range may damage the converter.
  • Do not reverse the input and output polarity. Incorrect wiring can cause severe damage to the converter and connected devices.
  • Always disconnect power before making any wiring connections or disconnections.
  • Install the converter in a well-ventilated area to ensure proper heat dissipation, although the die-cast aluminum shell is designed for natural heat dissipation.
  • Avoid exposing the converter to excessive moisture or extreme temperatures beyond its operating range (-40℃ to +80℃). While waterproof (IP65), proper installation is crucial.
  • If using pulsed DC power from a generator, it is recommended to filter it with a capacitor to ensure a stable input.

3. Product Features

  • Wide Input Voltage Range: Accepts DC 8V to 36V.
  • Stable Output: Provides a regulated DC 12V output at 10A (120W).
  • High Efficiency: Conversion efficiency greater than 96.8%.
  • Robust Construction: Features a die-cast aluminum shell for natural heat dissipation, making it waterproof (IP65), dustproof, and shockproof.
  • Multiple Protections: Built-in over-temperature, over-current, over-voltage, and output short-circuit protection.
  • Auto-Recovery: Automatically recovers when the device returns to normal operating conditions after a protection event.
  • Compact Design: Small form factor (110x70x23mm) for easy installation.
  • Versatile Applications: Suitable for golf carts, motors, speakers, GPS, car display screens, LED strip lights, air-conditioners, electric fans, solar energy systems, DVDs, and other 12V DC devices.

4. Specifications

Input Voltage RangeDC 8V - 36V
Output VoltageDC 12V
Output Current10A
Output Rated Power120W
Conversion Efficiency> 96.8%
No-load Loss< 100mA
Ripple Wave< 100mV
Operating Temperature-40℃ to +80℃
Load Regulation< 2%
Voltage Regulation< 1%
Waterproof RateIP65
Housing MaterialDie-cast aluminum
Potting MaterialEpoxy sealed
Dimensions (L x W x H)110 x 70 x 23mm (4.33 x 2.76 x 0.91 inch)
Net Weight260g

5. Package Contents

  • 1x Valefod DC to DC Buck-Boost Converter
  • 4x M-threaded wiring terminals
Valefod DC to DC Buck-Boost Converter and included M-threaded wiring terminals

Image: The Valefod DC to DC Buck-Boost Converter shown with its packaging and the four included M-threaded wiring terminals.

6. Setup and Installation

Follow these steps for proper installation of the DC to DC Buck-Boost Converter:

  1. Prepare Wiring: Ensure all power sources are disconnected before beginning installation. Use appropriate gauge wires for your application. If wire length exceeds 19.68 inches, consider using a thicker wire diameter to minimize voltage drop.
  2. Identify Terminals: The converter has clearly marked input and output terminals. "Input" is for the power source, and "Output" is for the load device. There are positive (+) and negative (-) terminals for both input and output. An "NC" terminal is also present but typically not used for standard operation.
  3. Connect Input: Connect the positive (+) terminal of your power supply to the "Input +" terminal on the converter. Connect the negative (-) terminal of your power supply to the "Input -" terminal on the converter.
  4. Connect Output: Connect the positive (+) terminal of your load device to the "Output +" terminal on the converter. Connect the negative (-) terminal of your load device to the "Output -" terminal on the converter.
  5. Secure Connections: Use the provided M-threaded wiring terminals or other suitable connectors to ensure secure and stable electrical connections. Tighten all terminal screws firmly.
  6. Verify Wiring: Double-check all connections to ensure correct polarity and secure attachment. Incorrect polarity will damage the device.
  7. Mounting: Mount the converter in a location that allows for adequate airflow around its aluminum housing for optimal heat dissipation. The chassis mount design allows for secure fastening.
  8. Power On: Once all connections are verified and secure, connect the power source.
Wiring diagram for Valefod DC to DC Buck-Boost Converter showing connections to power supply and load device

Image: Wiring diagram illustrating how to connect the converter to a power supply and a load device. Note the recommendation for thicker wires if the length exceeds 19.68 inches.

Top view of Valefod DC to DC Buck-Boost Converter showing input, output, and NC terminals

Image: Top view of the converter, highlighting the clearly labeled Input, Output, and NC terminals for wiring.

Detailed dimensions of Valefod DC to DC Buck-Boost Converter and included wiring terminals

Image: Detailed view of the converter's dimensions (4.33 x 2.76 x 0.91 inches) and the specifications for the S-wiring and M-wiring terminals.

7. Operating Instructions

Once properly installed and wired, the Valefod DC to DC Buck-Boost Converter operates automatically. It will regulate the input voltage within its specified range (8V-36V) to a stable 12V DC output for your connected devices.

  • Ensure the total current draw of your connected load devices does not exceed 10A to prevent overloading.
  • The converter features built-in protections (over-temperature, over-current, over-voltage, short-circuit). If a fault occurs, the converter may temporarily shut down and automatically recover once the fault condition is removed.

8. Maintenance

The Valefod DC to DC Buck-Boost Converter is designed for low maintenance. Follow these guidelines to ensure its longevity:

  • Cleaning: Periodically inspect the converter for dust or debris accumulation, especially on the heat sink fins. Clean with a soft, dry cloth. Do not use liquid cleaners.
  • Connections: Occasionally check wiring connections to ensure they remain tight and free from corrosion.
  • Environment: Ensure the operating environment remains within the specified temperature range and is free from excessive moisture.

9. Troubleshooting

ProblemPossible CauseSolution
No output voltage
  • No input power
  • Incorrect wiring (e.g., reversed polarity)
  • Input voltage outside 8V-36V range
  • Overload or short-circuit protection activated
  • Check input power source and connections.
  • Verify wiring against the diagram; correct any reversed polarity.
  • Ensure input voltage is within the specified range.
  • Reduce load or check for short circuits in the output wiring. The unit should auto-recover once the fault is cleared.
Output voltage unstable or incorrect
  • Input power source is pulsed (e.g., from a generator)
  • Loose connections
  • Converter operating at maximum capacity in high ambient temperature
  • Add a capacitor to filter the input power supply.
  • Check and tighten all wiring connections.
  • Ensure adequate ventilation around the converter. Reduce load if possible.
Converter is hot to the touch
  • Normal operation (aluminum housing dissipates heat)
  • Operating under heavy load or high ambient temperature
  • Insufficient ventilation
  • Some warmth is normal.
  • Ensure the load does not exceed 10A.
  • Improve ventilation around the converter.

10. Warranty and Support

For warranty information or technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt for warranty claims.

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