MRCOOL Olympus 4th Gen 3-Zone 18,000 BTU R-454B Multi-Zone Condenser 208/230V MULTI3-18HP230C-O
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The MRCOOL® Olympus MULTI3-18HP230C-O is a high-performance 18,000 BTU multi-zone heat pump condenser designed to power up to three indoor units simultaneously. Perfect for homeowners looking to efficiently manage temperatures in multiple spaces, this ductless system offers individualized climate control for each connected zone.
Built with advanced inverter technology, the unit delivers impressive efficiency, with SEER2 ratings up to 25.1 and HSPF2-4 up to 9.8. It performs reliably in outdoor temperatures as low as 5°F, ensuring comfort in both summer and winter months. This model is compatible with various MRCOOL indoor units, including wall-mounted, ceiling cassette, and concealed duct options.
Smart features elevate user convenience, with control options that include the MRCOOL SmartHVAC app, traditional remotes, or voice commands via Amazon Alexa and Google Assistant. Additional functions such as sleep mode, auto restart, and refrigerant leak detection contribute to enhanced safety and comfort.
Backed by a 7-year warranty on the compressor and 5 years on parts (with professional installation), the MRCOOL® Olympus MULTI3-18HP230C-O is a reliable and energy-efficient choice for zone-specific heating and cooling.
Key Features
- Installation by a licensed professional required where applicable
- 7-Year Compressor, 5-Year Parts warranty when registered and installed by a licensed professional
- R-454B environmentally friendly refrigerant
- Energy Star Certified
Technical Specifications
| Cooling Capacity | 18000 BTU |
| Heating Capacity | 19000 BTU |
| Tonnage | 1.5 Ton |
| SEER2 | Up to 25.1 |
| EER2 | Up to 14 |
| HSPF2-4 | 9.8 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 20 A |
| Min Circuit Ampacity | 16 A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 61.73 oz |
| Sound Level | 59.5 dBA |
| Zone Capacity | 3 |
| Max Coverage Area | Up to 750 sq ft |
| Liquid Line Size | 3 x 1/4" |
| Suction Line Size | 3 x 3/8" |
| Max Lineset Length | 196.8 total ft |
| Net Dimensions (D×H×W) | 13.46" × 26.5" × 35.04" |
| Net Weight | 100.53 lbs |
| Gross Dimensions (D×H×W) | 17.24" × 29.53" × 40.55" |
| Gross Weight | 109.35 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
- ENERGY STAR® Certified
- AHRI Certified
Warranty
- 5-Year Parts Warranty
- 7-Year Compressor Warranty
Product Documentation
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser Installation Manual (PDF)
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser Warranty Document (PDF)
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser Brochure (PDF)
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser Service Manual (PDF)
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser AHRI Certification (PDF)
- MRCOOL Olympus 4th Gen 3-Zone Multi-Zone Condenser 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.