Products Description
| Product Name | Yk 331-03478-101 Mainboard |
| Model | 331-03478-101 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
York 331-03478-101 Mainboard Core Functions
1. Comprehensive System Signal Acquisition and Processing
Acquires critical signals such as evaporation/condensation pressure, chilled/cooling water temperature, oil temperature, oil pressure, discharge temperature, water flow switch status, oil pressure differential switch status, and safety valve status;
Performs signal filtering, amplification, A/D conversion, and data packaging for transmission to the main controller or control panel.
2. Actuator Driving and Interlock Control
Drives the compressor contactor, oil pump, cooling/chilled water pumps, cooling tower fans, oil circuit solenoid valves, and refrigerant solenoid valves;
Implements startup interlocks, anti-surge protection, oil pressure protection, high-temperature protection, water flow protection, and overload protection.
3. Communication and Data Exchange
Establishes real-time communication with York OptiView/EXV panels, compressor drive boards, and expansion boards;
Supports remote monitoring, parameter reading/writing, fault reporting, and firmware upgrades.
4. Fault Diagnosis and Protective Actions
Monitors over 150 parameters in real-time to detect sensor failures, wiring errors, actuator malfunctions, and communication interruptions;
Generates alarm outputs, initiates fault locking, and executes safe shutdowns to prevent secondary damage.
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Technical parameter
Company Profile
Other Product Images
| 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. |
Compatible Models (Precise Match)
1. Chiller Units: York YS, YEW, and YEA Series Screw Chillers (100–800 RT)
2. Compressors: York R, S, and T Series Screw Compressors
3. Control Systems: OptiView, EXV, and YS Standard Controls
4. Installation Location: Inside the unit’s control cabinet, situated between the power board and the drive board
5. Replacement Scenarios: Direct replacement in cases of board damage, aging, communication failure, or program upgrades; wiring configuration remains identical.
