Split Comprehensive Refrigeration Controller BD1-28 Series

Overview

The Split Comprehensive Refrigeration Controller BD1-28 Series is designed for a wide range of refrigeration applications. Whether you're managing upright refrigerators, plug-in and supermarket display cases, cold stores, or control panels, this advanced controller provides exceptional reliability and functionality.

Main Features

The BD1-28 Series is packed with features that cater to both efficiency and versatility:

• Cyclic Defrost Refrigeration Control: Ensures optimal defrost cycles, enhancing the efficiency of your refrigeration systems.
• Enhanced ECO Energy Saving Management: Significantly reduces energy consumption, making it an environmentally friendly choice.
• Optional Compressor Variable Speed Control: Offers flexibility in controlling the compressor's speed to match the cooling demand.
• Compatibility with R290 Refrigerant: Fully compatible with R290, a low GWP refrigerant that is environmentally sustainable.
• Configurable Auxiliary Outputs: Supports up to two auxiliary outputs, which can be customized for various functions such as lighting, switched loads, or a second evaporator.
• Universal Mains Power Supply: Operates seamlessly with a wide range of power inputs, ensuring global compatibility.
• Connectivity: Easily integrates with hard-wired supervisory systems for comprehensive monitoring and control.
• Display Options: Offers multiple display configurations, including colored LEDs, capacitive touch interfaces, and high contrast LCDs, all customizable to meet specific requirements.

Functions and Configuration

The BD1-28 Series includes multiple models, each designed to meet different needs within refrigeration management:

• Models Available:

• BD1-28B0Q3W-A

• BD1-28C1S4WH-B

• BD1-28C1S5W-B

Each model comes with an integrated alarm buzzer for enhanced safety. For more customization options, please contact us.

Technical Data

The BD1-28 Series is built to handle a wide range of operating conditions:

• Temperature Range: -50 to 110°C (-58 to 180°F)
• Resolution: 0.1 / 1 °C or °F
• Precision: Less than ±0.5°C within the measurement range
• Sensor Type: Standard SN4B20P1/P2/P3
• Power Supply: 100 to 240 Vac ±10%, 50 to 60 Hz, 3W
• Ambient Operating Temperature: -10 to 50°C

Inputs and Outputs

This controller is equipped with a variety of inputs and outputs for flexible operation:

• Temperature Inputs:

• Air Temperature (T1)

• Evaporator Temperature (T2)

• Digital Inputs:

• DI1, DI2, DI3

• Auxiliary Outputs:

• AUX 1

• AUX 2

• Evaporator Fan Control: Fully integrated
• Defrost Control: Utilizes voltage-free contacts for defrost synchronization
• Thermostat Control: Also managed through voltage-free contacts

Connectivity Options

The BD1-28 Series supports multiple connectivity options for seamless integration:

• RS485 Serial Port: For robust, long-distance communication.
• TTL Serial Port: For direct connection to compatible devices.
• Remote Display Support: Can be connected to a remote display via the RS485 port.

Installation and Connections

Installation is straightforward, with multiple connection methods:

• Quick Connections: Utilizes male/female connectors for fast installation.

Screw Terminals: Provided for secure and reliable connections.