Products Description

| Product Name | Carrier SIOB Board / Circuit Board 00PPG000492500 |
| Model | 00PPG000492500 |
| Applicable Industries | Industry and Manufacturing; Transportation |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
Carrier 00PPG000492500 SIOB Input/Output Circuit Board: Functions and Applications
1. Signal Acquisition and Conversion
Acquires analog and digital signals—including temperature, pressure, flow rate, liquid level, differential pressure switch status, water flow switch status, and compressor protection data—and converts them into standard electrical signals for transmission to the main control board.
2. External Device Control
Controls actuators and components such as compressor start/stop mechanisms, variable-speed fans, electronic expansion valves, oil pumps, solenoid valves, heaters, and alarm indicators.
3. Safety Protection Logic
Features built-in multi-level protection mechanisms covering overcurrent, overload, high/low pressure, anti-freezing, oil flow, and oil level conditions; in the event of an anomaly, it rapidly cuts off outputs, triggers alarms, and initiates a protective shutdown.
4. Communication Relay
Communicates with the main control board via RS485 to facilitate data exchange, command transmission, status feedback, and fault diagnostics.
5. Expansion Compatibility
Supports the integration of external sensors, modules, and remote monitoring systems, and is fully adapted to meet the comprehensive operational control requirements of the 30XW series screw chillers across all operating conditions.
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Technical parameter
| Q1:For refrigeration industry, which brands are your products covering? | A1:We produce filter element replacements for brands like,Bitzer, Carrier, York, McQuay, Trane, etc… |
| Q2:Does the price include freight? | A2:The quotation is usually the factory price. We can recommend the most economical logistics plan and calculate the freight according to your destination and quantity. |
| Q3:How to ensure product quality? | A3:We have a strict quality control process, and we will carry out multiple inspections before the products leave the factory to ensure that they meet the standards. |
| Q4:Why choose us? | A4:Product reliability: We are a professional manufacturer . can offer high-quality products at the most competitive prices. Technical support: We provide technical assistance. Industry experience: We have over 10 years of experience in the refrigeration equipment service field. After-sales service: We offer professional after-sales service. Team collaboration: We have a professional team that can provide you with prompt services and delivery schedules. |
Product Maintenance and Precautions
Maintenance Recommendations
1. Inspect connectors, terminals, capacitors, and relays every 3–5 years.
2. Ensure power is disconnected before performing replacements; document terminal connections to prevent wiring errors.
3. Clean circuit boards and implement moisture-proofing and dust-proofing measures to prevent corrosion and short circuits.
Precautions
1. Strictly adhere to the specified terminal definitions when wiring; connecting high-voltage power to low-voltage interfaces is strictly prohibited.
2. Use shielded cables for communication lines (RS485) and route them away from high-voltage lines to minimize interference.
3. After replacement, restart the unit to verify that communication is functioning normally and that I/O points are correctly mapped.
