MRCOOL DIY Select 1st Gen R454B 9K BTU 115V Condenser w/ 11ft Install Kit DIYS-09-HP-C-115A11-O
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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.
Technical Specifications
| Cooling Capacity | 9,000 BTU |
| Heating Capacity | 9,000 BTU |
| Tonnage | 0.75 Ton |
| SEER2 | 17.5 |
| EER2 | 9.8 |
| HSPF2-4 | 8.8 |
| Voltage | 115V, 1-Phase, 60Hz |
| Max Fuse / Breaker | 20A |
| Min Circuit Ampacity | 17A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 17.28 oz |
| Sound Level | 54 dB(A) |
| Lineset Included | Yes (11.5 ft Quick Connect®) |
| Max Lineset Length | 75 ft |
| Liquid Line Size | 1/4 in |
| Suction Line Size | 3/8 in |
| Net Dimensions (D×H×W) | 10.63 × 19.49 × 28.35 in |
| Net Weight | 54.67 lbs |
| Gross Weight | 66.58 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
- AHRI Certified
Warranty
- 1 Year Parts Warranty
- 2 Year Compressor Warranty
Product Documentation
- MRCOOL DIY Select 9K BTU 115V Condenser Installation Manual (PDF)
- MRCOOL DIY Select 9K BTU 115V Condenser Warranty Document (PDF)
- MRCOOL DIY Select Product Brochure (PDF)
- MRCOOL DIYS-09-HP-C-115A11-O AHRI Certification (PDF)
- MRCOOL DIYS-09-HP-C-115A11-O Energy Guide (PDF)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.