Indoor Control Circuit Board for Alegria Platinum CPP009CA(I)

ComfortStar 17122000005652 Indoor Control Circuit Board for Alegria Platinum CPP009CA(I)

The ComfortStar 17122000005652 indoor control board is the designated OEM replacement for the CPP009CA(I) mini-split indoor air handler unit. It is engineered to manage the system’s communication, fan control, thermistor input, and remote interface for proper operation within the ductless mini-split system.

This board restores factory functionality to the indoor section of the Alegria Platinum CPP009CA(I) system and is essential for accurate mode switching, fan motor operation, and indoor unit error code communication. It is designed to integrate with the original connectors and electrical layout for this specific unit model.

Core Functions

• Signal Control: Interfaces with sensors and fan motor control logic.
• System Integration: Enables synchronization with outdoor board for inverter-driven operation.
• Remote Reception: Supports infrared input from wireless remote controller.
• Error Communication: Provides LED fault codes for diagnostic feedback.

Technical Specifications

• Part Number: 17122000005652
• System Application: ComfortStar Alegria Platinum CPP009CA(I)
• Voltage: Low-voltage 24V signal handling with integrated line voltage interface
• Mounting: Surface-mounted; replaces original board without modifications
• Design: Includes relays, terminal headers, and onboard control logic

Installation Notes

This control board should only be installed by licensed HVAC technicians familiar with ductless system wiring and diagnostics. Installation requires adherence to ComfortStar's service procedures to ensure sensor calibration, EEV actuation, and fan motor signals are correctly aligned. Use proper anti-static handling procedures and verify all wiring connections before restoring power.

Contractor Considerations

• Verify model compatibility before ordering—this board is only for CPP009CA(I) indoor units.
• Inspect connector terminals and replace corroded or damaged harnesses if present.
• Review fault history via board diagnostics after installation for any residual system issues.

Summary

The ComfortStar 17122000005652 indoor circuit board is an essential replacement part for restoring full operation to the Alegria Platinum CPP009CA(I) ductless mini-split system. It is engineered to OEM standards and supports critical control functions for indoor unit performance and communication.