Description
Technical Parameters
- Manufacturer: York (Johnson Controls)
- Model Number: 03102478002
- Part Type: Microprocessor Output Control Board
- System Compatibility: Millennium Centrifugal Chillers, YK, and YT Series
- Operating Voltage: 24V AC/DC Control Circuit
- Output Interface: Multi-channel relay/triac outputs for solenoid and motor control
- Communication: Integrated with York Microboard or OptiView Control Center
- Indicators: Onboard diagnostic LEDs for channel status
Product Datasheet
| Specification | Details |
|---|---|
| Model | 03102478002 |
| Origin | USA |
| Dimensions | 18.2 cm x 12.5 cm x 3.8 cm |
| Weight | 0.48 kg |
| Mounting | 4-point standoff mounting |
| Operating Temp | -10°C to +60°C |
| Connector Type | Molex / Pin-header style |
| Circuit Coating | Moisture-resistant protective finish |
Application Fields
The 03102478002 is a critical execution component within York HVAC systems:
- Chiller Management: Controlling oil pump starters, liquid line solenoids, and heaters.
- Compressor Protection: Managing the safety interlocks and start/stop sequences for centrifugal compressors.
- Industrial Cooling: Centralized output control for large-scale water-cooled chiller plants.
- Building Automation: Interfacing physical mechanical hardware with the digital OptiView control logic.
Product Instructions
- Isolation: Disconnect all power to the chiller control panel before accessing the internal boards to prevent electrical shock.
- Anti-Static: Use an ESD wrist strap and handle the PCB only by the non-conductive edges.
- Connection: Carefully transfer each plug from the old board to the new one, ensuring that the locking tabs click into place.
- Verification: Observe the onboard LEDs upon power-up; they should indicate active communication with the main Microboard.
- Testing: Manually cycle the outputs through the OptiView “Service” menu to ensure all connected solenoids and contactors are responding.
Q&A
Q1: What is the most common sign of a failing 03102478002 board? A1: Failure often manifests as a “No Response” fault for specific mechanical components, such as the oil heater or solenoid valves, despite the central controller sending a signal.
Q2: Can I repair a single relay on this board? A2: While technically possible, it is not recommended for industrial chiller applications. A full board replacement is standard to ensure system reliability and avoid unexpected shutdowns.
Q3: Is this board compatible with the OptiView control panel? A3: Yes, it is designed to work as an output expansion or main output board for various York chillers utilizing the OptiView or Millennium control platforms.
Recommended Similar Models
- York 031-01095-001
- York 031-02060-001
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