Hoymiles BC05-BR-02

Contents

Hoymiles Field Connector BC05-BR-02 Instruction Manual

For HMS Inverters - 12A IP68 Screw Pressing Solar Accessories

Introduction

This manual provides instructions for the safe and proper installation, operation, and maintenance of the Hoymiles Field Connector BC05-BR-02. This connector is designed to facilitate a quick and simple electrical connection between a PV microinverter and the electrical grid.

Safety Information

  • Always disconnect power before installing or servicing electrical components.
  • Ensure all connections are secure to prevent electrical hazards.
  • Use appropriate personal protective equipment (PPE) during installation.
  • Verify cable specifications match the connector requirements.
  • Installation should be performed by qualified personnel in accordance with local electrical codes and regulations.

Setup and Installation

The Hoymiles Field Connector BC05-BR-02 utilizes a screw pressing mechanism for secure cable termination. Follow these steps for proper installation:

  1. Ensure the microinverter and grid connections are de-energized.
  2. Prepare the cable: Strip the outer jacket and insulation from the cable ends according to standard electrical practices, exposing the conductor wires. The applicable cable specification is 1.0 / 1.5 mm² with an outer diameter of 8 mm to 9.5 mm.
  3. Unscrew the cable gland nut from the connector body.
  4. Feed the prepared cable through the cable gland nut and the connector body.
  5. Insert the stripped conductor wires into the designated terminals within the connector. The connector features a screw pressing type connection.
  6. Tighten the screws firmly to secure the conductor wires in place. Ensure no stray strands are present.
  7. Carefully push the connector body components together, ensuring the sealing ring is properly seated to maintain the IP68 protection degree.
  8. Tighten the cable gland nut onto the connector body to create a watertight seal and secure the cable.
  9. Verify all connections are tight and the connector is fully assembled before re-energizing the system.
Video: Demonstrates the assembly process of the Hoymiles Field Connector, including cable insertion and screw pressing.
Hoymiles Field Connector with close-ups of pins and screw cap
Figure 1: Overview of the Field Connector, showing the electrical pins and the cable entry point with its screw cap.
Close-up of Hoymiles Field Connector pins and sealing ring
Figure 2: Detailed view of the connector's internal pins and the sealing ring, crucial for maintaining IP68 protection.
Close-up of screw pressing mechanism for cable termination
Figure 3: Close-up illustrating the screw pressing mechanism used for securing the cable conductors within the connector.

Operation

Once properly installed, the Hoymiles Field Connector BC05-BR-02 functions as a passive electrical conduit. It establishes a secure and weather-resistant connection between your microinverter and the electrical grid. No user interaction is required during normal operation.

Maintenance

To ensure long-term reliability and performance of your Field Connector, consider the following maintenance guidelines:

  • Periodic Visual Inspection: Annually inspect the connector for any signs of physical damage, cracks, discoloration, or corrosion.
  • Check for Tightness: Ensure the cable gland nut and any other accessible fasteners remain tight. Loose connections can lead to overheating or intermittent operation.
  • Cleanliness: If dust or debris accumulates on the connector, gently clean it with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
  • Seal Integrity: Verify that the sealing ring and other weatherproofing components are intact and not degraded. Replace the connector if seals appear compromised.

Troubleshooting

If you experience issues with your solar microinverter system that might be related to the connector, consider the following:

  • No Power Output from Microinverter:
    • Check if the connector is securely attached to both the microinverter and the grid cable.
    • Inspect the cable connections within the connector for looseness or corrosion.
    • Ensure the cable itself is not damaged.
  • Intermittent Power Output:
    • This could indicate a loose connection. Re-check the screw pressing terminals inside the connector.
    • Verify the cable gland nut is tight, preventing movement or strain on the internal connections.
  • Visible Damage or Water Ingress:
    • If the connector shows signs of physical damage, cracking, or water inside, it must be replaced immediately.
    • Ensure the cable outer diameter is within the specified range (8 mm to 9.5 mm) to guarantee a proper seal.

If troubleshooting steps do not resolve the issue, contact a qualified electrician or the product manufacturer for assistance.

Specifications

Feature Specification
Product Name Field Connector
Model BC05-BR-02
Rated Voltage 300 V
Rated Current 12 A (with 1.5 mm² copper cable)
Applicable Cable Specification 1.0 / 1.5 mm²
Applicable Cable Outer Diameter 8 mm to 9.5 mm
Cable Connection Type Screw Pressing
Ambient Temperature Range -40℃ to +85℃
Protection Degree IP68
Material ABS
Dimensions (L × W × H) 135 × 38 × 25 mm
Color Black
Side view of Hoymiles Field Connector showing 300V 12A IP68 markings
Figure 4: Side view of the connector, displaying key specifications like voltage, current, and IP rating.

User Tips

  • Always double-check the tightness of screw connections to prevent future issues.
  • When installing outdoors, ensure the cable entry point is facing downwards to minimize water ingress risk, even with IP68 rating.
  • Consider using a torque wrench for screw terminals if specific torque values are available from the manufacturer (not provided in this manual).

Warranty and Support

For warranty information, technical support, or service inquiries, please contact your product retailer or the official Hoymiles customer support. Keep your purchase receipt as proof of purchase.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.