MRCOOL DIY® 5th Gen 18,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI3-18HP230D-O

MRCOOL DIY 5th Gen 18,000 BTU Multi-Zone Mini Split Condenser

Upgrade your home comfort with the MRCOOL DIY® 5th Generation 18,000 BTU Multi-Zone Mini Split Condenser. This innovative system offers energy-saving performance, eco-friendly refrigerant, and a simple, do-it-yourself installation process. With high SEER2 efficiency, smart controls via the MRCOOL® Smart HVAC app, and exceptional warranty coverage, it’s the perfect solution for efficient heating and cooling in up to three zones.

MRCOOL DIY Mini Split Features

• DIY Installation: Designed for hassle-free, tool-free setup—no prior experience required.

• Quick Connect® Line Set: Pre-charged with R-454B refrigerant, eliminating the need for vacuuming during installation.

• Eco-Friendly Refrigerant: R-454B offers a lower Global Warming Potential (GWP) compared to traditional R-410A.

• Durable DIYPRO® Cable: Enhanced protection against outdoor elements and wildlife—no conduit needed.

• Gold Fin® Condenser: Corrosion-resistant coating ideal for coastal environments.

• Smart Controls: Compatible with iOS and Android devices for convenient operation through the Smart HVAC app.

• Comprehensive Warranty: Includes a 7-year compressor warranty, 5-year parts warranty, and a lifetime replacement option with MRCOOL® Care Program enrollment.

MRCOOL Multi-Zone Split Specifications

Capacity & Performance

• Maximum Zones: 3

• Cooling Capacity: 18,000 BTU

• Heating Capacity: 18,000 BTU

• SEER2: 23.9

• EER2: 13.0

• HSPF2-4: 10.8

• HSPF2-5: 7.8

• Coverage Area: Up to 750 sq. ft.

• Outdoor Noise Level: 60 dB(A)

Electrical Requirements

• Voltage: 208–230V

• Phase: 1

• Frequency: 60 Hz

Refrigerant & Piping

• Refrigerant Type: R-454B

• Liquid Line Size: 1/4"

• Suction Line Size: 3/8"

Features

• Inverter: DC

• Compressor Type: Rotary

• Fan Only Mode

• Quiet Mode

• Auto Cooling

• WiFi Compatibility

• Remote Control Included

Certifications & Warranty

• UL Listed

• ETL Listed

• AHRI Certified

• 7-Year Compressor Warranty

• 5-Year Parts Warranty

• Limited Lifetime Replacement Option

MRCOOL 5th Gen Mini Split Installation Manual