MRCOOL® Olympus 18,000 BTU (1.5 Ton) Multi-Zone Mini Split Heat Pump Condenser 230 V/60 Hz | MULTI3-18HP230C-O
The MRCOOL® Olympus Series is built for premium performance and multi-zone comfort. The Olympus 18,000 BTU (1.5 Ton) Multi-Zone Heat Pump Condenser powers up to three indoor air handlers for complete customized temperature control in multiple spaces. With inverter technology, energy-efficient operation, and the latest R-454B refrigerant, this system delivers reliable year-round comfort in a compact, quiet, and eco-friendly package.
Important: Olympus condensers are not pre-charged for DIY use. They require professional HVAC installation including nitrogen evacuation, vacuuming, and pressure testing to ensure peak performance and warranty coverage.
Compact Multi-Zone Comfort
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Multi-Zone Power: Supports up to three indoor units—ideal for zoning bedrooms, living rooms, and offices independently.
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High-Efficiency Inverter: Variable-speed compressor maximizes comfort while minimizing energy costs.
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Eco-Friendly Refrigerant: Uses new-generation R-454B refrigerant with a lower global warming potential than R-410A.
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Smart Control Ready: Compatible with the MRCOOL® SmartHVAC™ App for Wi-Fi management and voice control through Alexa or Google Assistant.
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All-Weather Operation: Delivers dependable heating and cooling even in extreme temperatures.
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Quiet Outdoor Performance: Precision-balanced fan and compressor reduce vibration and noise for peaceful comfort.
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Warranty Protection: Backed by 7-Year Compressor / 5-Year Parts warranty when installed professionally.
Technical Specifications
| Model |
BTU / Ton |
Voltage / Hz |
Zones |
Coverage Area* |
Refrigerant |
Efficiency |
Warranty |
| MULTI3-18HP230C-O |
18,000 BTU (1.5 Ton) |
230 V / 60 Hz |
Up to 3 Zones |
~750–900 sq ft* |
R-454B |
Inverter Compressor | High-Efficiency Operation |
7 Year Compressor / 5 Year Parts |
*Coverage varies by climate, insulation, and building layout.
Professional Installation Required
The Olympus multi-zone condenser is intended for licensed HVAC installation. A professional installer must perform nitrogen leak testing, vacuum the lines, and connect the indoor air handlers. Proper installation ensures full performance, efficiency, and warranty protection.
Reminder: Olympus = Best-Tier Performance + Professional Installation Required.
Compatible Indoor Units
- Olympus Wall-Mounted Air Handlers (9K – 24K)
- Olympus Ceiling Cassette Air Handlers (9K – 24K)
- Olympus Ducted Air Handlers (9K – 36K)
Total combined BTU of connected indoor units must not exceed 18,000.
Nationwide Shipping & Trusted Dealer Support
Order your MRCOOL® Olympus 18K Multi-Zone Condenser from MRCOOLDIYDirect.com — the USA’s most trusted MRCOOL® dealer — for fast nationwide shipping, factory-authorized products, and expert HVAC support.
SKU: MULTI3-18HP230C-O
Series: Olympus – Best Tier Multi-Zone
Type: Mini Split Heat Pump Condenser (Outdoor Unit)
BTU: 18,000 (1.5 Ton)
Zones: Up to 3 Indoor Units
Refrigerant: R-454B
Warranty: 7 Year Compressor / 5 Year Parts
Availability: Ships Nationwide from MRCOOLDIYDirect.com
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