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Multi-Zone Flexibility • DC Inverter • Smart Wi-Fi Control
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O
The MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O is a high-performance 18,000 BTU (1.5 ton) multi-zone mini-split heat pump condenser designed to power up to three indoor units simultaneously. Engineered for flexible, zone-specific climate control, this system allows you to independently manage temperatures in multiple rooms while maintaining high energy efficiency with ratings up to 25.1 SEER2 and 9.8 HSPF2-4. Built with advanced DC inverter technology and smart connectivity, this condenser delivers reliable, efficient comfort for modern residential and light commercial environments.
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O Applications
Homes requiring multi-room temperature control with one outdoor unit
Residential properties with multiple bedrooms or living zones
Offices and light commercial spaces needing independent climate zones
Retrofit applications where ductwork is not available
Flexible HVAC solutions for customized comfort in up to 3 zones
Perfect for users who want individualized comfort control across multiple rooms with a single, efficient outdoor unit.
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O Specifications
Brand
MRCOOL
Series
Olympus 4th Gen Multi-Zone Condensers
Model
MULTI3-18HP230C-O
Unit Type
Mini-Split Multi-Zone Heat Pump Condenser
Tonnage
1.5 Ton
Cooling Capacity
18,000 BTU
Heating Capacity
19,000 BTU
Voltage
208/230V, 1 Phase, 60Hz
Max Fuse Breaker
20 A
Minimum Circuit Ampacity
16 A
Coverage Area
Up to 750 sq ft (combined zones)
Zone Capacity
Up to 3 Zones
Refrigerant
R-454B (Eco-Friendly)
Refrigerant Volume
61.73 oz
Efficiency Ratings
Up to 25.1 SEER2 / 14 EER2 / 9.8 HSPF2-4
Sound Level
59.5 dBA
Inverter Type
DC Inverter
Max Lineset Length
196.8 ft total
Liquid Line Size
3 × 1/4"
Suction Line Size
3 × 3/8"
Compressor Type
Twin-Rotary
Metering Device
EXV + Capillary
Dimensions (WxHxD)
35.04" × 26.5" × 13.46"
Net Weight
100.53 lbs
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O Performance & Features
Multi-zone capability supports up to 3 indoor units for independent room control.
High energy efficiency with SEER2 ratings up to 25.1 for reduced energy costs.
DC inverter technology ensures consistent performance and optimized efficiency.
Smart HVAC app integration for remote system control via iOS and Android devices.
Voice control compatibility with Amazon Alexa and Google Assistant.
Reliable low ambient operation performs in temperatures as low as 5°F.
Extended lineset capability up to 196.8 feet total for flexible installation.
Durable outdoor construction designed for long-term reliability in varying climates.
Advanced safety features including refrigerant leak detection and auto restart.
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O Compatibility
Compatible with MRCOOL indoor units:
O-09-HP-WMAH-230C-O
DUCT-09HP-230B-O
CASSETTE09HP-230C-O
O-12-HP-WMAH-230C-O
CASSETTE12HP-230C-O
Offers flexible pairing options with multiple indoor unit styles including wall-mounted, ducted, and cassette systems.
MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O Certifications & Warranty
UL Listed, CSA Listed, and ETL Listed for safety compliance
ENERGY STAR® Certified and AHRI Certified for verified performance
5-Year Parts Warranty
7-Year Compressor Warranty
Limited Lifetime Warranty coverage
California Proposition 65 compliant
Why Choose the MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O
Power up to 3 zones with one efficient outdoor unit
High-efficiency inverter technology for energy savings
Smart control with Wi-Fi, app, and voice assistant integration
Flexible installation with extended lineset support
Reliable performance backed by strong manufacturer warranties
The MRCOOL Olympus 4th Gen Multi-Zone Condensers MULTI3-18HP230C-O delivers flexible, efficient, and intelligent multi-zone climate control—perfect for modern homes and spaces requiring customized comfort in multiple areas.
Key Information
Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On Most Items In The Contiguous United States only