Description
The Daikin-McQuay 4021154 Printed Circuit Assembly is an electronic control module used to manage and coordinate system operations through signal processing and control logic. It interprets inputs from sensors and user controls, then sends corresponding commands to components such as compressors, fans, and valves to maintain proper operating conditions. It is used in air conditioning and heat pump units where centralized electronic control is required for system coordination. It is fitted inside the indoor or outdoor unit control section in HVAC systems, supporting communication between electrical components and ensuring regulated operation of the overall equipment cycle.









