Description
The Carrier HK50AL002 is an OEM replacement RTU Open Control Board engineered for Carrier rooftop units (RTUs). Designed to restore and maintain precise system operation, this control board serves as the central intelligence of compatible Carrier RTU systems, managing communication, sequencing, and overall unit performance.
Product Overview
As a factory-authorized replacement part, the HK50AL002 ensures compatibility and reliability in Carrier RTU Open platform applications. The RTU Open designation indicates this board is designed to support open-protocol communication, enabling integration with building automation systems (BAS) and direct digital control (DDC) environments.
Key Features
- OEM Carrier replacement control board for RTU Open platform rooftop units
- Supports open-protocol communication for BAS and DDC integration
- Engineered for direct drop-in replacement in compatible Carrier RTU models
- Manages system sequencing, diagnostics, and unit control functions
- Helps restore full unit functionality with factory-matched performance
- Built to Carrier’s OEM quality and reliability standards
Application
This control board is intended for use in Carrier commercial rooftop units utilizing the RTU Open control platform. Always verify compatibility with your specific unit model number before installation. Consult the unit’s service manual or a qualified HVAC technician to confirm proper application.
Why Choose OEM Replacement Parts?
Using genuine Carrier OEM replacement components like the HK50AL002 ensures your rooftop unit operates as designed, minimizes downtime, and helps protect your equipment warranty. Avoid costly callbacks and mismatched aftermarket components by specifying the correct factory part.







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