Description
Genuine Fujitsu General S9704557520 Controller PCB Assembly (EZ-00302WSE-F1)
The Fujitsu General S9704557520 (part number 9704557520, board code EZ-00302WSE-F1) is an authentic OEM main controller circuit board designed for Fujitsu air conditioning systems.
As the primary logic control unit, this PCB processes inputs from system sensors, user interface signals, and thermistors to regulate compressor operation and operational modes. Replacing faulted control modules with original Fujitsu spare parts maintains proper communication protocols, factory timings, and operational reliability.
Key Features:
- Genuine OEM Component: Exact physical dimensions, original firmware compatibility, and connector layout.
- Stable System Logic: Ensures precise climate regulation, inverter management, and system safety monitoring.
- Direct Replacement: Plug-and-play installation into factory brackets and wiring harnesses.






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