Products Description
| Product Name | Yk 371-02769-336 Main Control Board |
| Model | 371-02769-336 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
Core Functions of the York 371-02769-336 Circuit Board
1. Comprehensive System Control
Controls compressor start/stop, capacity modulation, fan speed, refrigerant flow (via EEV), and water/oil circuit valves, enabling fully automated operation of the cooling and heating cycles.
2. Data Acquisition and Monitoring
Collects key parameters—such as evaporation/condensation temperatures, pressures, superheat, oil temperature, discharge temperature, current, and voltage—in real time to precisely monitor the unit’s operational status.
3. Intelligent Protection and Fault Diagnosis
Features built-in multi-level protection mechanisms covering high/low pressure, overcurrent/overload, overheating, phase loss, low oil pressure, and anti-freezing. In the event of an anomaly, the unit immediately shuts down and displays a specific fault code (e.g., E01/E05) to facilitate rapid troubleshooting.
4. Communication and Interconnection Management
Supports remote monitoring, parameter configuration, data logging, and synchronized operation across multiple units.
5. Energy Efficiency Optimization
Dynamically matches load demands by modulating compressor capacity and refrigerant flow to reduce energy consumption, enhance the Coefficient of Performance (COP), and optimize performance for variable-frequency and variable-load units.
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Technical parameter
Company Profile
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. |
Common Product Fault Symptoms
1. Unit Fails to Start: No output from the main controller, power indicator light remains off, or a “Mainboard Fault” error is reported; typically caused by a damaged power supply, burnt-out chip, or lost program data.
2. Abnormal Operation / Frequent Shutdowns: Inaccurate temperature or pressure readings, false triggering of safety protection mechanisms, or frequent cycling (starting and stopping) of the compressor; typically caused by sensor interface faults, communication anomalies, or aging capacitors.
3. Communication Failure: Control panel displays nothing, BMS connection fails, or parameters cannot be modified; typically caused by a damaged communication chip, incorrect wiring, or a baud rate mismatch.
4. Component Burnout: Circuit boards appear scorched or blackened, fuses are blown, or a burning odor is present; typically caused by short circuits, lightning strikes, power surges, or load overloads.
