17122200007477 Main Control Board Subassembly for Midea HVAC Air Conditioner (17122200010048 / 17122200010491 / 17122200009315)

Restore authentic factory control, sensor monitoring, and multi-speed airflow to your Midea air conditioning system with this genuine OEM Main Control Board Subassembly (PCB Reference 17122200007477 / Revision [V1.5] 2019-1-22). Engineered to commercial HVAC standards, this primary control module directly governs AC fan motor speeds (CN4 ACFAN), compressor signaling (CN12 COMP), 4-way reversing valve actuation (CN10 VALVE), outdoor fan coordination (CN13 OUTFAN), auxiliary electric heat stages (CN25/CN27 HEATER), and dual-axis louver swing motors (HOR-SW / VER-SW).

Multi-Variant OEM Cross-Reference

This master PCB platform supports multiple factory-programmed variant configurations across commercial and residential split systems:

• Variant 1 (Part #17122200010048 / Box #17222200009163): Compatible with ME-KT3F105RUN1-DA1(CS)D series units.
• Variant 2 (Part #17122200010491): Factory OEM subassembly with integrated heavy-duty filtering.
• Variant 3 (Part #17122200009315): OEM programmed subassembly configuration.
• Variant 4 (PCB Base #17122200007477): Standard base main control board subassembly.

Key Features & Technical Highlights

• Direct OEM Drop-In Replacement: Factory mounting footprints, chassis grounding points (PGND1, PGND2, Earth), and keyed quick-connect wiring headers prevent wiring errors during field replacement.
• Comprehensive Actuator Regulation: Manages compressor engagement, 4-way valve, outdoor fan signals, panel motor, and alarm safety interlocks.
• Dual Dual-In-Line DIP Configuration: Features onboard 2-position DIP addressing switches for capacity and operating logic configuration.
• Industrial-Grade Power Supply: Incorporates high-temperature primary filter capacitor (+105°C), high-frequency line chokes, TVS surge protection, and conformal moisture-resistant coating for reliable HVAC operation.

Technical Specifications

Fitment Assurance Guarantee

Need to verify compatibility?
HVAC electronic circuit boards require precise matching with your indoor and outdoor unit model numbers. Before ordering, please send a photo of your unit's rating plate or old circuit board barcode sticker to our technical team for 12-hour compatibility verification.