Indoor Control Circuit Board for Alegria Platinum CPP012CA(I)

ComfortStar C70790028 Indoor Control Circuit Board for Alegria Platinum CPP012CA(I)

The ComfortStar C70790028 indoor control circuit board is an OEM replacement component designed for use with the Alegria Platinum CPP012CA(I) mini-split indoor air handler. This control board regulates critical system operations including temperature control, fan speed, and signal communication between the indoor and outdoor units.

Engineered for system-specific compatibility, the C70790028 supports reliable performance and maintains operational accuracy across heating and cooling modes. It is constructed to ComfortStar factory standards for electrical integrity and layout, allowing for direct replacement in compatible systems.

Key Features

• OEM Compatibility: Designed for direct use with ComfortStar Alegria Platinum CPP012CA(I) indoor units.
• Signal Coordination: Interfaces with thermistors, fan controls, and remote receiver inputs.
• Board-Level Integration: Controls system logic and communication with the outdoor PCB via 24V control signal.
• Compact Layout: Pre-configured mounting format for ease of installation within factory enclosures.

Specifications

• Model: C70790028
• Voltage: 24V AC (control circuit)
• System Type: Alegria Platinum mini-split indoor unit – CPP012CA(I)
• Application: Indoor controller for managing air handler functions
• Mounting: PCB frame with pre-drilled attachment points

Installation Requirements

This control board should be installed by HVAC technicians trained in ComfortStar systems. Installation requires full system power-down, correct re-termination of all wiring connections, and attention to static-sensitive handling protocols. The board must be installed following unit-specific wiring diagrams to ensure accurate function of temperature sensors, motor relays, and communication leads.

Professional Use Notes

• Designed for field replacement of failed or malfunctioning OEM boards.
• System calibration not required after board replacement unless additional sensors or modules are also replaced.
• Use original fasteners and harnesses to maintain electrical continuity and thermal isolation.

Summary

The ComfortStar C70790028 indoor control circuit board restores factory-level operation to the CPP012CA(I) indoor air handler. It is a critical replacement part for restoring temperature control accuracy, system timing, and reliable communication with the outdoor unit. Ideal for use in service calls, system repairs, and OEM part replacements in field-installed systems.