MRCOOL® 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v
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MODEL: DIY-MULTI6-55HP230D-O
Whole-Home Climate Control for Up to 2,290 sq. ft. — No HVAC Tech Needed
The MRCOOL® 55K DIY® 5th Generation Multi-Zone Mini-Split Condenser is the ultimate home comfort solution for larger properties or multi-room spaces. This powerful, energy-efficient system can heat and cool up to 6 separate zones covering a combined area of up to 2,290 sq. ft. — all without professional installation.
Featuring a SEER2 rating of 22 and an impressive HSPF2-4 of 10.6, it delivers reliable, eco-friendly performance while lowering utility costs. The patented Quick Connect® pre-charged line sets filled with R-454B refrigerant make installation a simple, clean, and fast DIY project with no need for special tools or refrigerant handling. (Line sets sold separately.)
Connect it to the SmartHVAC® app for complete control via your smartphone or voice commands through Amazon Alexa and Google Assistant. Set schedules, adjust temperatures, monitor energy usage, and customize modes from anywhere.
Backed by a leading warranty, including a Limited Lifetime Compressor Warranty (with registration), the MRCOOL® 55K DIY® system ensures lasting comfort, convenience, and peace of mind for your entire home.
Why You’ll Love It
✅ Heats & Cools Up to 6 Separate Zones — Ideal for large homes or multi-room setups
✅ 100% DIY-Friendly — Quick Connect® pre-charged line sets for tool-free installation
✅ High-Efficiency Performance — SEER2 22 and HSPF2-4 10.6 for outstanding savings
✅ Smart Home Ready — Control via SmartHVAC® app, Alexa, or Google Assistant
✅ Follow Me® Remote — Adjusts temperature to your exact location
✅ Quiet Rotary DC Inverter Compressor — Smooth, energy-efficient operation at just 64 dBA
✅ Eco-Conscious Refrigerant — R-454B for reduced environmental impact
✅ Outstanding Warranty — Limited Lifetime Compressor (with registration), 7-Year Compressor, 5-Year Parts
What’s Included:
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MRCOOL® 55K DIY® 5th Gen 6-Zone Mini-Split Condenser
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DIYPro™ Communication Cable
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Wireless Remote Control
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Installation Accessories
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MRCOOL® Warranty
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| BTU Capacity | 47,000 (Cooling) / 55,000 (Heating) |
| Voltage | 208/230V |
| Zones Supported | Up to 6 |
| SEER2 | 22 |
| HSPF2-4 / HSPF2-5 | 10.6 / 8.5 |
| Refrigerant Type | R-454B |
| Line Set Compatibility | MRCOOL® Quick Connect® |
| Max Line Set Length (ft) | 221.4 |
| Liquid Line Size | 1/4″ |
| Suction Line Size | (3/8″ x4) (1/2″ x2) |
| Sound Rating (dBA) | 64 |
| Wi-Fi Compatibility | Yes (SmartHVAC App, Alexa, Google Assistant) |
| Warranty | Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts |
Installation
Installation & Guides
Room Size & BTU Coverage Guide
| BTU Rating | Ideal Coverage Area (Approx.) |
|---|---|
| 55,000 | 2,290 sq. ft. (up to 6 rooms) |
Important:
Always consider ceiling height, insulation, sun exposure, and other room-specific factors when choosing your system.
What You Need for a Complete System
To complete your installation, pair this condenser with:
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MRCOOL® DIY® 5th Gen Multi-Zone Air Handlers (up to 6 total)
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MRCOOL® Quick Connect® Pre-Charged Line Sets (available in various lengths)
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DIYPro™ Communication Cables (25ft included with each air handler)
Optional Accessories:
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MRCOOL® Wall Mount Brackets
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Additional Quick Connect® Line Sets
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Coupler Kits for longer runs
This condenser is compatible only with MRCOOL® DIY® 5th Gen Multi-Zone Air Handlers.
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