Description
Daikin-McQuay Printed Circuit Board Assembly (A2P) — SKU 1852242
The Daikin-McQuay 1852242 Printed Circuit Board Assembly (A2P) is a genuine OEM replacement control board designed for use in compatible Daikin-McQuay commercial HVAC equipment. Engineered to exact factory specifications, this PCB assembly ensures proper system communication, control sequencing, and operational reliability — restoring your equipment to peak performance.
Product Overview
Printed circuit board assemblies are the nerve center of modern HVAC systems, managing critical functions such as system startup, fault detection, input/output signal processing, and component coordination. The A2P designation identifies this board’s specific role within the Daikin-McQuay control architecture, making it a precise, direct-fit replacement for the original component.
Key Features
- Genuine Daikin-McQuay OEM printed circuit board assembly
- A2P board designation for precise application compatibility
- Direct drop-in replacement — no field modifications required
- Engineered to factory specifications for reliable system control
- Supports proper communication and sequencing within compatible Daikin-McQuay units
- Helps restore full system functionality and minimize equipment downtime
Application
This printed circuit board assembly is intended for use in compatible Daikin-McQuay commercial HVAC systems. Always verify compatibility with your specific unit model and serial number before installation. Consult the equipment service manual or contact your Daikin-McQuay distributor for application guidance.
Installation Notes
- Installation should be performed by a qualified HVAC technician
- Disconnect all power to the unit before handling or replacing circuit boards
- Follow all applicable local codes and manufacturer guidelines during installation
- Refer to the original equipment documentation for wiring diagrams and configuration details







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