Frigidaire PCB Assemblies

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Frigidaire PCB Assemblies & Control Boards

Welcome to the South Mini Splits collection for Frigidaire PCB Assemblies & Control Boards. As the "brain" of your HVAC system, these boards manage the primary logic, timing, and safety protocols required for peak performance. We provide high-quality, authentic replacement components and sophisticated control subassemblies to keep your inverter-driven systems running efficiently.

Our extensive inventory ensures compatibility across various Carrier-compatible, Midea-manufactured, and ACIQ platforms. Whether you are maintaining a standard wall-mount or a high-capacity ACIQ 120,000 BTU Gas Furnace, we have the precision-engineered parts necessary for routine repairs or complex system overhauls.

💡 Why Choose South Mini Splits for Your Frigidaire PCB Assemblies?

Understanding the Control Ecosystem

Modern inverter systems utilize a complex ecosystem of boards working in tandem. Proper installation often requires more than just the board; ensure your outdoor unit is protected with a Return Air Package or stabilized on a Packaged Unit Roof Curb where applicable.

Indoor & Outdoor Logic

Specialized Modules & Interface

Technical Facts & Performance Advantages

  • Multi-Zone Capability: We stock specialized boards to manage multiple indoor heads from a single outdoor condenser, ensuring balanced refrigerant flow across all zones.
  • Voltage Specificity: We offer boards tested for varied power requirements, including 230V and 115V configurations, essential for systems integrated with ACIQ Communicating Gas Furnaces.
  • Heating Integration: Our Frigidaire PCB Assemblies & Control Boards are designed to work seamlessly with auxiliary heating components like the ACIQ 15 Kilowatt Electric Heater Coil or MrCool Signature Series Heat Kits.

Mini Split BTU Sizing & Application Guide

Use our quick reference chart to match your room size with the ideal system capacity.

Capacity Sq. Footage Application
6,000 BTU150–250Small bedrooms & offices
9,000 BTU250–450Standard bedrooms
12,000 BTU450–600Kitchens & studios
18,000 BTU600–1,000Living rooms & garages
24,000 BTU1,000–1,200Open floor plans
36,000 BTU1,500–1,700Commercial & fitness
48,000 BTU1,900–2,100Large warehouses
60,000 BTU2,400–2,800+Commercial estates

When to "Size Up"

High Ceilings (10ft+)

If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.

Poor Insulation

For older homes or buildings with single-pane windows, opt for the next size up to ensure the unit can maintain the set temperature.

Kitchen Environments

Appliances generate significant heat. If the unit is for a kitchen, add 4,000 BTUs to your square footage calculation.

Heavy Sun Exposure

Rooms with large south-facing windows or "sunrooms" act like greenhouses. Increase your BTU capacity by 10-15%

Occupancy

If the area regularly hosts more than two people (like a conference room or classroom), add 600 BTUs per additional person..

Need Help Sizing?

If you aren't sure which unit is right for your project, use our BTU Calculator or contact our USA-based support team for a custom recommendation.

Open BTU Calculator

Frequently Asked Questions

A: If your outdoor condenser connects to only one indoor unit, use a board like the Main Control Board Sub-Single Only (17123000008577). Multi-zone systems require boards designed to manage complex communication between zones.

A: Yes, many of our control components are compatible with Midea-manufactured PTACs. If you are doing a full installation, don't forget your Universal PTAC Wall Sleeve or the Cooper&Hunter PTAC Sleeve.

A: While we provide the exact parts, such as the Midea Control Box Subassembly (17223000006617), we highly recommend professional installation to ensure safety and maintain your warranty.

A: Yes, we carry items like the Midea Display Box Subassembly (17223000000003), which includes the interface housing.

A: To protect your outdoor electronics from moisture and vibration, ensure your unit is mounted correctly using a 4-inch PVC Brown Line Set Cover for wiring and a Mini Split Ground Stand.