Indoor Control Circuit Board for Alegria Gold CPG009CA(I)

ComfortStar 17122000018658 – Indoor Control Circuit Board for Mini-Split Systems

The ComfortStar 17122000018658 indoor control circuit board is an OEM replacement PCB for designated ComfortStar ductless mini-split systems. This control board manages key indoor unit functions, including fan speed, thermistor readings, communication with the outdoor unit, and signal processing for operational commands.

Designed to maintain original equipment functionality, the board features low-voltage input and is pre-configured for system-specific programming. It must be installed in accordance with manufacturer guidelines to ensure proper system operation.

Product Features

• Control Functions: Coordinates fan operation, thermistor data, and inverter communication
• Voltage: 24V low-voltage input
• Compatibility: Designed for specific ComfortStar mini-split indoor air handler models
• Installation Type: Direct-fit board replacement inside indoor unit control enclosure
• Board Layout: Factory mounting points and terminal blocks for simplified wiring connection

Technical Specifications

• Part Number: 17122000018658
• Voltage Input: 24V AC control power
• Dimensions: Approximately 8" x 6" x 2"
• Weight: 1.5 lbs
• Certifications: UL Listed

Installation Guidelines

Installation of this circuit board should be performed by a licensed HVAC technician. Power must be disconnected prior to servicing. Verify model compatibility using equipment data labels or ComfortStar technical literature. Proper grounding, secure wire connections, and anti-static handling procedures are essential to prevent damage or operational faults.

Use Cases

• Replacement of non-functional indoor PCB in compatible ComfortStar ductless units
• Service part for fault diagnostics or circuit-level repair
• OEM-specified component for restoring control logic and communication functions