beacon 2 manual

Product Overview

The Beacon II is a compact, Wi‑Fi enabled smart controller designed for HVAC systems. It supports 24 V operation, daisy‑chain connectivity, and offers intuitive LED indicators for status monitoring. The manual details installation, configuration, and troubleshooting steps for optimal performance.

Key Features and Design

Beacon II is engineered for seamless integration into modern HVAC systems, offering a sleek, low‑profile chassis that fits standard mounting brackets. It runs on a 24 V DC supply, eliminating transformers and simplifying the power budget. The Wi‑Fi module supports dual‑band 2.4 GHz and 5 GHz connectivity, enabling reliable remote monitoring and firmware updates through the proprietary Beacon App.

At its core, a dual‑core ARM Cortex‑M4 processor runs at 120 MHz, paired with 512 KB flash and 128 KB SRAM for responsive control loops and fast data logging. The compact 4‑layer PCB features a dedicated power plane, reducing noise and improving signal integrity for temperature and pressure sensors.

LED indicators give instant visual feedback: green for power and network status, blue for active communication, and red for fault conditions such as over‑temperature or communication loss. Two tactile buttons—ENTER and CLEAR—are ergonomically placed for quick initialization and reset, with a 3‑second press triggering a soft reboot.

Durability is emphasized with a polycarbonate housing rated IP54, protecting against dust and splash water. A vented top plate dissipates heat from the processor and Wi‑Fi radio, keeping operating temperatures below 60 °C even in high ambient conditions. The unit weighs 0.45 kg and measures 120 mm × 60 mm × 30 mm, fitting tight spaces;

Connectivity uses a 4‑wire 24 V daisy‑chain topology, allowing multiple controllers to link in series without extra cabling. Each unit has a 4‑pin terminal block for power and data, and a separate 2‑pin block for the 24 V sensor line, ensuring clear separation of power and signal paths.

Firmware is modular, with OTA updates delivered over Wi‑Fi, letting technicians push improvements without physical access. The device logs operational data to internal EEPROM, providing a historical record for maintenance planning.

Overall, Beacon II blends robust hardware, intuitive controls, and flexible networking to deliver a reliable, future‑proof solution for HVAC control applications.

Hardware Specifications

Processor: ARM Cortex‑M4 120 MHz. Flash: 512 KB, RAM: 128 KB. Power: 24 V DC, 2 A. Dimensions: 120 × 60 × 30 mm. Weight: 0.45 kg. Wi‑Fi: dual‑band 2.4/5 GHz; LED: green, blue, red; Mount: standard bracket.GPIO: 12 pins, I²C, SPI, UART, 1 kHz sampling, 3.3 V logicTemp: –20 °C to +60 °C, RH 10–95 %.

Dimensions, Weight, Power Requirements

Physical and electrical specifications for the Beacon II Smart Controller are critical for proper integration into HVAC systems. The device measures 120 mm in length, 60 mm in width, and 30 mm in height, providing a footprint that fits easily into mounting brackets. Its mass is 0.45 kg, which keeps the system weight low and simplifies handling during installation or maintenance. Power is supplied via a 24 V DC input, with a maximum current draw of 2 A. The controller’s internal power regulation steps the 24 V supply down to the required 3.3 V logic level for the microcontroller and 5 V for the Wi‑Fi radio. The device is rated for operation within a temperature range of –20 °C to +60 °C and a relative humidity of 10 % to 95 % non‑condensing. These environmental tolerances ensure reliable performance in typical commercial and industrial settings. The controller’s power connector is a 5‑pin terminal block, with polarity protection and a fuse rated at 3 A. The 24 V input must be isolated from the HVAC system’s 120 V AC supply; a DC‑to‑DC converter is recommended. The device also features a 5 V USB‑C port for updates and a 3.3 V UART for serial debugging. All power lines are shielded to reduce electromagnetic interference. The Beacon II’s power consumption is typically 0.8 W in idle mode and peaks at 1.5 W during active Wi‑Fi transmission, which is well within the capacity of most 24 V HVAC control power supplies. By adhering to these dimensional, weight, and power specifications, installers can guarantee optimal performance and longevity of the Beacon II Smart Controller in any HVAC application.

Installation Requirements

The Beacon II must be mounted in enclosure with at least 10 cm clearance from sources. It requires a 24 V DC supply, isolated from AC mains. Mounting brackets should support the 0.45 kg weight. Ensure the unit is positioned within the HVAC airflow path for performance!!!

Environmental Conditions and Mounting Options

The Beacon II operates between –10 °C and +50 °C (14 °F to 122 °F) with up to 95 % non‑condensing humidity, meeting IP54 protection. Mount it with a 10 cm clearance from heat sources, using the supplied bracket with 1‑inch holes; M4 or M5 screws secure it. It can be mounted vertically or horizontally, ensuring airflow around ventilation slots. For confined spaces, position the rear side unobstructed. The unit connects to 24 V DC, is grounded via a 10 mm² copper conductor, and integrates into HVAC panels. Follow these guidelines for reliable, safe operation.

When installing the Beacon II, ensure the enclosure is rated for the local climate. In high‑humidity zones, use a dehumidifier or vented enclosure to prevent moisture buildup. The device’s IP54 rating protects against splashes, but prolonged exposure to corrosive vapors may require a protective coating. Mounting brackets should be tightened to a torque of 10 Nm for M5 screws to prevent loosening. For vertical installations, align the LED indicators toward the operator’s line of sight. If the unit is placed near a refrigerant line, maintain a minimum distance of 15 cm to avoid thermal interference. The 24 V DC input must be connected to a regulated supply; a voltage drop of more than 5 % can cause the controller to reset. Grounding should be bonded to the HVAC system’s grounding bus. Finally, verify that the unit’s airflow is not obstructed by ductwork or other equipment; to confirm temperatures remain below 60 °C during operation. Following these mounting and environmental guidelines will ensure the Beacon II remains reliable and compliant with safety standards. All procedures comply.!!

Wiring and Connectivity

The Beacon II accepts 24 V DC via a 10 mm² copper conductor. Connect positive to the evaporator’s 24 V supply and negative to the system ground. Daisy‑chain multiple units using the dedicated 24 V connectors. Ensure secure connections and polarity‑correct 2026. 2026.

24V Connections and Daisy Chain Configuration

The Beacon II Smart Controller requires a 24 V DC supply, connected through the dedicated 24 V input terminals. The positive (+24 V) line should be wired to the evaporator’s power feed, while the negative (ground) line must be tied to the system’s common ground. Use a minimum of 10 mm² copper conductors to handle current without excessive voltage drop

The manual explicitly warns against connecting 24 V and C lines directly to evaporators; instead controller and evaporators must be linked in a daisy‑chain configuration

Each unit’s 24 V output feeds the next unit’s input, creating a series chain that allows multiple controllers to share a single power source

Wiring diagrams in the back of the manual illustrate the correct sequence: start with the first unit’s 24 V input, then run the output to the next unit’s input, and so on until the last unit’s output is terminated

This arrangement ensures balanced load distribution and simplifies troubleshooting

Additionally, the Beacon II supports a 24 V backup battery for brief outages; connect the battery’s positive terminal to the controller’s 24 V input and the negative to ground

The controller’s LED indicators will confirm proper power status

Always verify polarity with a multimeter before finalizing connections, and secure all terminals with lock‑nuts to prevent loosening from vibration

Following these steps guarantees reliable operation and compliance with the manufacturer’s safety guidelines

Ensure all wiring complies with local electrical codes today.!!!!!!!!!

Initial Setup and Configuration

To initialize the Beacon II Smart Controller (v1.2), press and hold the ENTER and CLEAR buttons simultaneously. The LED will flash, indicating the system is in initialization mode. Release the controller will reboot and complete setup. in 30 s for quick setup. now

Pressing ENTER and CLEAR for Initialization

To start the Beacon II Smart Controller, locate the two recessed buttons labeled ENTER and CLEAR on the front panel. The controller must be powered with a stable 24 V supply before any button press. With the unit powered, press and hold both buttons simultaneously for at least 3 seconds. The status LED will begin to flash rapidly, indicating that the device has entered factory‑reset mode. Release the buttons; the LED will settle into a steady amber glow, confirming initialization is complete. The controller will now perform a self‑diagnostic routine, checking internal memory, firmware integrity, and communication interfaces. This routine typically takes 20–30 seconds. During this period, the LED will blink at a 1 Hz rate. Once diagnostics finish successfully, the LED will switch to steady green, signaling readiness for configuration. If the LED remains amber or flashes erratically, the user should repeat the reset procedure or consult the troubleshooting section for further assistance. The reset process restores default network settings, including Wi‑Fi SSID, password, and device ID, allowing the user to re‑configure the controller via the companion mobile app or web interface. It is recommended to document the new default credentials before proceeding with network setup. The reset function is safe to use in the field and does not affect connected HVAC components. For advanced users, the manual provides a command‑line interface via serial port to perform a deeper reset, but this requires a compatible terminal emulator and knowledge of AT commands. The reset procedure is designed to be user‑friendly, ensuring that even technicians with minimal experience can restore the device to factory state quickly and reliably. During the reset, the controller validates firmware via checksum. If it fails, the LED flashes red three times, indicating corruption. Download the latest firmware, flash it via USB, and repeat the ENTER‑CLEAR reset. Verify the 24 V supply is within ±5 % of nominal voltage to avoid reset failures. The LED sequence during reset can also be observed via the companion app, which displays status updates and logs errors encountered. fast

User Interface and Controls

The Beacon II features a simple front panel with two buttons—ENTER and CLEAR—and an LED indicator. The LED cycles through colors to signal status: amber for initialization, green for ready, red for errors. The device also offers a web UI for advanced settings.!!

Button Functions and LED Indicators

On the Beacon II front panel, two tactile buttons—ENTER and CLEAR—control initialization and reset. To start the unit, press and hold ENTER while simultaneously pressing CLEAR for at least three seconds; the unit will acknowledge the command by illuminating the LED. The LED cycles through a predefined sequence: a steady amber light indicates that the controller is in the initialization phase, a green flash confirms that the device has successfully entered normal operation mode, and a rapid red pulse signals an error condition that requires attention. During normal operation, the LED remains solid green, providing a continuous visual cue that the cooling function is active and the system is operating within the specified parameters. If the unit is powered down, the LED turns off; pressing ENTER alone will resume the last known state, while pressing CLEAR alone will perform a soft reset, clearing temporary error flags without erasing stored configuration data. The combination of button inputs and LED feedback allows technicians to quickly diagnose issues, confirm successful firmware updates, and verify that the device is correctly integrated into a daisy‑chain network of evaporators. For detailed troubleshooting steps, refer to the troubleshooting section of the manual, which outlines specific LED patterns and corresponding error codes.

The ENTER button also toggles between active and standby when pressed briefly; a single press turns the LED to amber indicating standby, another press returns to green. The CLEAR button, when pressed briefly, clears error flags and resets the LED to amber until the next cycle. The combination of these controls provides a robust, user‑friendly interface that supports both field technicians and end‑users in maintaining optimal HVAC performance. The Beacon II’s button layout is ergonomically designed to reduce accidental presses. The ENTER button is slightly larger and recessed, while the CLEAR button is flush with the panel. Both buttons are rated for 10,000 cycles, ensuring durability over the device’s expected 10‑year lifespan. The LED is a 5 mm RGB diode capable of displaying the full spectrum, but the firmware limits it to amber, green, and red for clarity. The firmware also supports a diagnostic mode that can be accessed by holding ENTER for 5 seconds; in this mode the LED will flash in a pattern that corresponds to the diagnostic code, which can be cross‑referenced in the troubleshooting table. Users should note that the LED’s brightness is adjustable via the web interface to accommodate low‑light environments. Finally, the manual advises that any changes to button or LED behavior should be logged in the system’s event log for audit purposes.

During firmware updates, the LED will flash amber twice per second to indicate progress, and will switch to solid green upon completion. If the update fails, the LED will flash red rapidly, and the device will automatically revert to the previous stable firmware version.

Troubleshooting and Support

Check power, verify 24V supply, ensure LED status. If red flashes, reset via ENTER+CLEAR. For communication errors, confirm daisy‑chain wiring and firmware version. Contact support with serial number and error log for assistance. Contact us for firmware updates.

Common Issues and Resolution Steps

Common problems include power failure, LED errors, Wi‑Fi disconnects, daisy‑chain loss, firmware mismatches, cooling lag, button unresponsiveness, overheating, log corruption, and unresolved support queries. Below are concise resolution steps for each.

• Power: Verify 24 V supply ±5 % and correct polarity. Use a multimeter to check continuity.
• LED error: Reset by holding ENTER + CLEAR 5 s. If still flashing, inspect wiring and sensor cables.
• Wi‑Fi: Re‑enter SSID/password via web console; ensure router within 30 m.
• Daisy‑chain: Inspect 24 V and data lines; a single break drops downstream units.
• Firmware: Download latest from official site, upload via console, reboot.
• Cooling: Verify temperature sensor, check relay, adjust cooling setpoint.
• Buttons: Power‑cycle; if still unresponsive, replace button assembly.
• Overheat: Clear ventilation, keep ambient <40 °C, use fan;
• Log: Clear log in maintenance menu, reboot to regenerate.
• Support: Gather serial, error code, LED screenshot; submit ticket.

For further assistance, consult the full Beacon II manual or contact technical support. Keep firmware up to date to avoid compatibility problems for all.!!! Follow safety guidelines and keep the unit in a clean, ventilated area. Urgent help. Contact now!!!