Indoor Control Circuit Board for Alegria Gold CPG009CD(I)

ComfortStar 17122000018369 – Indoor Control Board for Alegria Gold CPG009CD(I) Mini-Split Units

The ComfortStar 17122000018369 indoor control circuit board is an OEM replacement board engineered for use in Alegria Gold series CPG009CD(I) mini-split air handlers. This component manages core operational functions including fan motor control, indoor unit temperature sensing, and communication with the outdoor unit PCB.

As a factory-matched part, this control board is essential for restoring or maintaining system performance in compatible ComfortStar split systems. Board replacement should follow equipment specifications to ensure full compatibility and operational integrity.

Core Functions

• System Communication: Interfaces with the outdoor unit for coordinated compressor and fan operation
• Control Logic: Processes thermostat and sensor signals for mode selection and fan staging
• Integrated Components: Includes relays and input terminals required for fan, swing motor, and thermistor inputs
• Power Supply: 24V AC low-voltage input

Technical Specifications

• Model Compatibility: ComfortStar Alegria Gold CPG009CD(I) indoor air handler
• Part Number: 17122000018369
• Input Voltage: 24V AC
• Board Type: Indoor PCB with signal relay and thermistor circuit paths
• Mounting: Pre-drilled mounting alignment for direct unit installation

Installation Notes

Installation of this board must be performed with power fully disconnected. Only qualified HVAC technicians should handle this component due to the need for static control, correct terminal placement, and system verification upon power-up. Matching board part numbers and model numbers is required prior to replacement.

Applications

• Factory-specified replacement for failed indoor control boards
• Restores sensor logic and communication in ComfortStar Alegria Gold mini-split systems
• Used during diagnostic servicing or after electrical faults involving PCB failure