MRCOOL DIY Select 1st Gen - R454B - 9K BTU 115V White Wall Mount Air handler + Condenser

MRCOOL DIY Select 1st Gen - R454B - 9K BTU 115V White Wall Mount Air handler + Condenser.

What this system is

• DIYS-09-HP-C-115A11-O — DIY Select 1st Gen - R454B - 9K BTU 115V Condenser w/ 11ft Install Kit
• DIYS-09-HP-WMAH-115A13-O — DIY Select 1st Gen - R454B - 9K BTU 115V White Wall Mounted Air Handler - with 13' Communication Cable

Outdoor condenser — DIYS-09-HP-C-115A11-O

The MRCOOL® DIY® Select 9K BTU 115V Ductless Heat Pump Single Zone Mini-Split Condenser is engineered for true do-it-yourself installation, requiring no specialized tools, prior HVAC experience, or professional labor. Ideal for spare bedrooms, home offices, and other small spaces, it efficiently heats and cools areas up to 400 square feet.

In conjunction with its DIY®-friendly design, the system also delivers strong performance with a 17.5 SEER2 cooling rating and 8.8 HSPF2-4 heating efficiency, providing dependable, year-round comfort while helping reduce energy costs.

Installation is simplified with an 11.5-foot Quick Connect® line set that arrives factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps or refrigerant handling. Most components are included, making setup faster, cleaner, and more accessible for first-time installers.

Comfort control is easy using the included wireless remote or the MRCOOL® Comfort app, which allows temperature adjustments, scheduling, and energy monitoring from anywhere. Compatibility with Amazon Alexa and Google Assistant adds convenient voice control.

On the inside, features like Sleep Mode, Dry Mode, Auto, and programmable scheduling enhance everyday comfort. Meanwhile, a Gold Fin® condenser coating on the outside increases durability, even in humid or coastal environments.

Offering powerful warranty protection, the MRCOOL® DIY® Select 9K BTU 115V Ductless Heat Pump Single Zone Mini-Split Condenser includes a 2-year compressor warranty and 1-year parts warranty for added peace of mind.

Indoor unit — DIYS-09-HP-WMAH-115A13-O

The MRCOOL® DIY® Select 9K BTU 115V Ductless Mini-Split Heat Pump Air Handler delivers efficient, reliable heating and cooling for spaces up to 400 square feet. Ideal for bedrooms, home offices, garages, and bonus rooms, this system provides year-round comfort while helping reduce energy usage and monthly utility costs.

Built as part of the MRCOOL® DIY® lineup, this unit is engineered for true do-it-yourself installation with the help of the compatible Quick Connect® line sets. These line sets arrive factory pre-charged with environmentally friendly R-454B to remove the need for vacuum pumps or refrigerant handling. Meanwhile, the included 13-foot DIYPRO® cable eliminates the need for traditional electrical conduit, simplifying installation while protecting wiring from moisture, pests, and everyday wear.

Comfort control is easy and flexible using the included wireless remote or the MRCOOL® Comfort app, which allows you to adjust temperatures, create schedules, and monitor energy use from anywhere. Voice-control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience.

Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling improve comfort and efficiency, while the Gold Fin® condenser coating delivers added corrosion resistance for long-term durability in humid or coastal climates.

For added peace of mind, the MRCOOL® DIY® Select 9K includes a 2-year compressor warranty and 1-year parts warranty.

Documents

• Installation manual (DIYS-09-HP-C-115A11-O) (PDF)
• Service manual (DIYS-09-HP-C-115A11-O) (PDF)
• Remote manual (DIYS-09-HP-C-115A11-O) (PDF)
• Brochure (DIYS-09-HP-C-115A11-O) (PDF)
• Warranty (DIYS-09-HP-C-115A11-O) (PDF)
• AHRI certificate (DIYS-09-HP-C-115A11-O) (PDF)
• EnergyGuide label (DIYS-09-HP-C-115A11-O) (PDF)

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.