Indoor Control Circuit Board for Alegria Platinum FPA-24

ComfortStar C44290072 Indoor Control Circuit Board – OEM Logic Board for System Operation

The ComfortStar C44290072 is an indoor control circuit board engineered as an OEM replacement for specific ComfortStar split-system air handlers. This board manages core functions including fan control, sensor input processing, and communication with the outdoor unit, ensuring proper operation and system coordination.

Constructed to meet factory specifications, the C44290072 is intended for direct replacement in designated indoor models and provides reliable signal processing and operation timing consistent with ComfortStar’s control logic architecture.

Product Specifications

• Model Number: C44290072
• Voltage: 24V AC (control circuit)
• Application: Indoor unit controller for ComfortStar ductless or split systems
• Function: Interfaces with sensors, fan motor relays, remote control receiver, and system logic
• Mounting: Factory layout for board-level service or replacement

Key Features

• System Integration: Designed specifically for use in ComfortStar indoor air handler units
• Signal Management: Controls thermistor input, fan motor relays, and operational timing
• Control Accuracy: Supports programmed logic for heating/cooling modes and indoor comfort regulation
• Compact Format: Pre-mounted standoff positions for enclosure compatibility

Installation Guidance

This component is intended for field installation by licensed HVAC technicians. Prior to installation, power must be disconnected and any stored voltage in capacitors discharged. Wiring should follow the manufacturer's diagram specific to the indoor unit model to ensure correct placement and signal continuity.

• Recommended Tools: Multimeter, insulated screwdrivers, anti-static work mat
• Installer Note: Verify proper orientation and terminal seating to avoid communication errors or startup faults

Professional Application

The C44290072 is suitable for scheduled service calls, warranty repairs, or replacements where original boards have failed or are no longer functioning within specification. Its compatibility with designated ComfortStar units ensures proper system recovery without the need for control reprogramming or adaptation.

Summary

Engineered for system-level replacement, the ComfortStar C44290072 indoor control board restores factory operation to designated HVAC units. Its role in regulating fan behavior, signal response, and internal communication makes it a critical component for service contractors maintaining equipment reliability in the field.