MRCOOL Electronic Control Box Subassembly for DIY-MULTI3-27HP230 OEM Part - 17222300002428

MRCOOL Electronic Control Box Subassembly for DIY-MULTI3-27HP230

Restore the electrical control functions of your MRCOOL® DIY multi-zone heat pump condenser with the MRCOOL Electronic Control Box Subassembly, Part #17222300002428.

Designed for the MRCOOL DIY-MULTI3-27HP230 outdoor condenser, this genuine OEM replacement component is intended to replace a damaged or malfunctioning factory-installed electronic control assembly.

The electronic control box is an essential part of your multi-zone heating and cooling system. It supports important condenser functions, including electrical control, system communication, operating regulation, and diagnostics.

Using the correct replacement assembly helps maintain compatibility with your existing MRCOOL equipment and may restore proper operation when the original control assembly has failed.

Key Product Features

• Genuine MRCOOL OEM Replacement: Part number 17222300002428, identified for the DIY-MULTI3-27HP230 condenser.
• Model-Specific Compatibility: Designed for the MRCOOL DIY-MULTI3-27HP230 outdoor heat pump unit.
• Electronic Control Assembly: Replaces the specified factory-installed electronic control box subassembly.
• System Communication: Supports electrical control and communication functions within the compatible heat pump system.
• Repair Solution: Allows replacement of a failed control assembly without automatically requiring replacement of the entire outdoor condenser.
• Factory-Matched Application: Intended for the specified MRCOOL condenser model.

Important Model Compatibility Warning

PLEASE READ BEFORE ORDERING

This electronic control box subassembly is designed for:

COMPATIBLE: MRCOOL DIY-MULTI3-27HP230

NOT COMPATIBLE: MRCOOL DIY-MULTI3-27HP230C

The letter C at the end of the model number is important.

These condenser models may require different electronic control components, wiring connections, or control configurations.

Do not order this assembly for the DIY-MULTI3-27HP230C condenser.

Need the newer model?

View the Electronic Control Box for DIY-MULTI3-27HP230C.

Product Specifications

Specification	Details
Brand	MRCOOL®
Product Name	Electronic Control Box Subassembly
OEM Part Number	17222300002428
Compatible Model	DIY-MULTI3-27HP230
Incompatible Model	DIY-MULTI3-27HP230C
Equipment Type	DIY Multi-Zone Heat Pump
Installation Location	Outdoor Condenser
Part Category	Outdoor Unit Electronics
Part Application	Replacement Electronic Control Assembly

Also Known As

Customers and HVAC technicians may search for this replacement component using several names:

• MRCOOL Electronic Control Box
• MRCOOL Control Board Sub-Assembly
• Outdoor Control Board
• Condenser Control Board
• Outdoor PCB
• Main Control Board
• Outdoor Circuit Board
• Electronic Control Module

Important: These are common search terms and do not mean that this assembly is interchangeable with every MRCOOL outdoor control board.

Before Ordering Your Replacement Part

Please verify the following information:

1. Confirm the complete model number on your outdoor condenser’s identification label.
2. Verify that your model is DIY-MULTI3-27HP230 without the letter C.
3. Compare the replacement part number with your existing component or manufacturer parts documentation.
4. Have a qualified HVAC technician confirm that the electronic control assembly requires replacement.
5. Contact MRCOOL DIRECT if you need assistance identifying the correct replacement part.

Professional Installation Recommended

Electronic control box replacement involves high-voltage electrical components and sensitive inverter-driven HVAC electronics.

Installation and electrical diagnosis should be completed by a qualified HVAC service professional.

Always follow the manufacturer’s service procedures. Disconnect electrical power and allow stored electrical energy to discharge safely before servicing.

Replacing the electronic control assembly without properly diagnosing the equipment may not correct the original problem.

Important Parts Return Policy

ALL PARTS SALES ARE FINAL — NO RETURNS OR REFUNDS.

Please confirm your equipment model and replacement part number before ordering.

MRCOOL electronic components can look nearly identical while having different electrical specifications, wiring connections, or operating requirements.

If you are unsure whether this part is correct for your condenser, contact MRCOOL DIRECT before purchasing.

Why Buy from MRCOOL DIRECT?

At MRCOOL DIRECT, we help customers find replacement parts and accessories for their MRCOOL heating and cooling equipment.

• MRCOOL replacement parts and components
• Assistance identifying compatible equipment
• Detailed product compatibility information
• Customer support before purchasing

Order the MRCOOL Electronic Control Box Subassembly, Part #17222300002428, for your compatible DIY-MULTI3-27HP230 condenser today.

MRCOOL DIRECT — For a Cooler Tomorrow.