MRCOOL Control Board for DIY-12-HP-C-115C25 Condenser - OEM Part 17222000039290

MRCOOL Control Board for DIY-12-HP-C-115C25 Heat Pump Condenser

Restore the electrical control functions of your MRCOOL® DIY ductless mini split heat pump with the MRCOOL Control Board, Part #17222000039290.

Designed specifically for the MRCOOL DIY-12-HP-C-115C25 12,000 BTU outdoor heat pump condenser, this OEM replacement control board is intended to replace a damaged or malfunctioning original control component.

The outdoor control board is an important part of your heat pump’s electrical system. It supports essential condenser functions, including system communication, compressor operation, fan control, and heating and cooling management.

Replacing a confirmed defective control board with the correct component may help restore proper system operation without requiring replacement of the entire outdoor condenser.

Key Product Features

• MRCOOL OEM Replacement Part: Part number 17222000039290, identified for the DIY-12-HP-C-115C25 condenser.
• Model-Specific Compatibility: Designed for the MRCOOL DIY-12-HP-C-115C25 12,000 BTU ductless heat pump.
• Outdoor Electronic Control: Supports important electrical control and operating functions within the condenser.
• Compressor and Fan Management: Helps coordinate compatible outdoor unit components during heating and cooling operation.
• System Communication: Supports electrical communication and control functions required for normal system operation.
• Replacement Repair Component: Intended to replace the specified factory control board when the original has failed.
• Factory-Matched Application: Designed for the specified MRCOOL outdoor condenser model.

Important Model Compatibility Warning

PLEASE VERIFY YOUR COMPLETE MODEL NUMBER BEFORE ORDERING.

This replacement control board is intended for:

COMPATIBLE MODEL: MRCOOL DIY-12-HP-C-115C25

SYSTEM CAPACITY: 12,000 BTU (1 Ton)

ELECTRICAL SYSTEM: 115V

This control board is not confirmed compatible with other MRCOOL DIY condenser models, different equipment generations, or units with different model-number suffixes.

MRCOOL manufactures multiple generations of DIY mini split heat pumps. Control boards may differ in wiring connections, electronic components, operating software, and electrical specifications.

Do not assume that control boards from different MRCOOL models are interchangeable.

Product Specifications

Specification	Details
Brand	MRCOOL®
Product Name	Outdoor Control Board
MRCOOL Part Number	17222000039290
Compatible Model	DIY-12-HP-C-115C25
System Capacity	12,000 BTU / 1 Ton
System Voltage	115V
Equipment Type	Ductless Mini Split Heat Pump
Part Category	Outdoor Unit Electronics
Part Type	Condenser Control Board
Installation Location	Outdoor Condenser
Application	Replacement Electronic Control Component

Also Known As

This MRCOOL replacement component may also be searched for as:

• MRCOOL Control Board
• MRCOOL Outdoor Control Board
• MRCOOL Condenser Control Board
• MRCOOL Outdoor PCB
• MRCOOL Main Control Board
• MRCOOL Outdoor Circuit Board
• MRCOOL Electronic Control Board
• MRCOOL DIY 12K Control Board
• MRCOOL Heat Pump Control Board

These are common replacement-part search terms and do not establish compatibility with other equipment.

When Should a Control Board Be Replaced?

A malfunctioning outdoor control board can contribute to several heat pump operating problems, including:

• Outdoor condenser failing to start
• Intermittent heating or cooling operation
• Communication-related system faults
• Compressor or outdoor fan control problems
• Electrical control errors
• Condenser not responding correctly to operating commands

Important: These symptoms can also be caused by other electrical, mechanical, or communication problems.

A qualified HVAC technician should diagnose the equipment and confirm that the control board is defective before replacement.

Before Ordering Your Replacement Control Board

Please verify the following information:

1. Locate the equipment identification label on your outdoor condenser.
2. Confirm the complete model number is DIY-12-HP-C-115C25.
3. Verify that part number 17222000039290 is the correct replacement for your equipment.
4. Have a qualified HVAC technician confirm that the existing control board requires replacement.
5. Contact MRCOOL DIRECT before ordering if you need help identifying the correct replacement component.

Professional Installation Recommended

Replacing an outdoor heat pump control board involves electrical components and potentially hazardous voltage.

Installation and troubleshooting should be performed by a qualified HVAC technician familiar with inverter-driven mini split heat pump systems.

Always follow manufacturer service instructions and applicable electrical safety procedures.

Electronic components may retain hazardous stored electrical energy even after power has been disconnected.

Replacing a control board without first identifying the original system problem may not restore normal operation.

Important Product Image Notice

Product images may be representative and are provided for illustrative purposes.

Actual circuit board configuration, wiring connections, component placement, and appearance may vary.

Please verify the correct replacement part number and condenser model before purchasing.

Important Parts Return and Refund Policy

ALL PARTS SALES ARE FINAL — NO RETURNS OR REFUNDS.

Electrical and electronic replacement components are non-returnable.

Customers are responsible for verifying equipment compatibility before purchasing.

If you are unsure whether this control board is correct for your MRCOOL condenser, please contact MRCOOL DIRECT before placing your order.

Why Buy from MRCOOL DIRECT?

MRCOOL DIRECT helps homeowners and HVAC professionals find replacement parts and accessories for their MRCOOL heating and cooling systems.

• MRCOOL replacement parts and components
• Assistance identifying compatible equipment
• Detailed model and part-number information
• Customer support before purchasing
• Convenient online ordering

Order the MRCOOL Control Board, Part #17222000039290, for your compatible DIY-12-HP-C-115C25 heat pump condenser.

MRCOOL DIRECT — For a Cooler Tomorrow.