MRCOOL® DIY® 4th Gen 48K BTU 5-Zone Ductless Heat Pump Condenser
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Warranty Protection
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MODEL: DIY-MULTI5-48HP230C
Ultimate Multi-Zone Climate Control for 5 Independent Spaces
The MRCOOL® DIY 4th Generation 48,000 BTU 5-Zone Multi-Zone Ductless Heat Pump Condenser delivers industry-leading, customizable climate control for up to five separate rooms or zones. Engineered for modern, energy-efficient homes, this powerful system offers a SEER rating of up to 20.5 and reliable heating performance even in frigid outdoor temperatures as low as 5°F.
Designed for larger homes, commercial spaces, offices, or multi-room living areas, this advanced multi-zone unit combines quiet operation, superior energy savings, and next-generation DC inverter technology. Homeowners can install it themselves with MRCOOL®’s Pre-Charged Quick Connect® Line Sets, pre-filled with environmentally safe R-410A refrigerant. No vacuuming, licensed HVAC technician, or specialty tools required — only basic hand tools and confidence.
Protected by a corrosion-resistant Gold Fin® condenser coating, this unit thrives in coastal and high-humidity regions. The high-capacity rotary DC inverter compressor ensures whisper-quiet, efficient operation while maintaining perfect, individualized temperatures in every zone.
And for total peace of mind, MRCOOL® backs this unit with an exclusive Limited Lifetime Compressor Warranty (with registration), plus a 7-Year Compressor and 5-Year Parts Warranty — setting a new standard for dependable DIY climate control.
Why You’ll Love It
✅ Multi-Zone Flexibility — Efficiently manages heating and cooling for up to five independent zones from a single outdoor condenser
✅ DIY Installation Made Easy — Compatible with Pre-Charged Quick Connect® Line Sets; no vacuum pumps, no special tools, no pro installer needed
✅ High-Efficiency SEER 20.5 Performance — Delivers lower energy bills and optimal year-round comfort
✅ Dependable Heating in Cold Climates — Maintains reliable heat even at outdoor temperatures as low as 5°F
✅ Gold Fin® Corrosion-Resistant Condenser — Designed for long-term durability, even in humid or coastal environments
✅ Smart Wi-Fi Control Ready — Seamlessly works with the SmartHVAC® app, Amazon Alexa, and Google Assistant
✅ Best-in-Class Warranty — Includes Limited Lifetime Compressor Warranty (with registration), 7-Year Compressor, and 5-Year Parts Warranty
✅ Ultra-Quiet Rotary DC Inverter Compressor — Smooth, silent, and energy-efficient operation for all connected zones
What’s Included:
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MRCOOL® 48K BTU 5-Zone 4th Gen Multi-Zone Condenser (208-230V)
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MRCOOL® Warranty Documents
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| Cooling Capacity (BTU) | 48,000 |
| Heating Capacity (BTU) | 48,000 |
| Voltage | 208-230V |
| Phase | 1 |
| Cycle | 60 Hz |
| Zone Capacity | Up to 5 |
| Refrigerant Type | R-410A |
| Refrigerant Volume (oz) | 162 |
| SEER / SEER2 | 20.5 / 20.5 |
| HSPF (4/5) | 11 / 8.5 |
| EER / EER2 | 11 / 11 |
| Max Fuse Breaker (A) | 60 |
| Min Circuit Ampacity (A) | 40 |
| Min Ambient Cooling (°F) | 5 |
| Min Ambient Heating (°F) | 5 |
| Max Total Line Set Length (ft) | 221 |
| Liquid Line Size | 1/4” (3/8” w/ adapter) |
| Suction Line Size | 1/2” (5/8” w/ adapter) |
| Condenser Motor Type | Rotary DC Inverter |
| Condenser Fan Motor RPM | 900 / 850 / 800 / 750 |
| Noise Level (dBA) | 61.5 |
| Wi-Fi Enabled | Yes |
| App Compatibility | iOS & Android |
| Remote Control Included | No (via paired air handlers) |
| Warranty | Lifetime Compressor (registration required), 7-Year Compressor, 5-Year Parts |
| Net Dimensions (WxHxD) | 37.48” x 52.48” x 16.34” |
| Gross Dimensions (WxHxD) | 43.11” x 54.33” x 19.49” |
| Net Weight | 222.89 lbs |
| Gross Weight | 254 lbs |
Room Size & BTU Coverage Guide
Choosing the right BTU (British Thermal Unit) output ensures your space stays consistently comfortable all year round.
| BTU Rating | Ideal Combined Room Size |
|---|---|
| 18,000 | 600–800 sq. ft. |
| 27,000 | 900–1,200 sq. ft. |
| 36,000 | 1,200–1,500 sq. ft. |
| 48,000 | 1,500–2,000 sq. ft. |
Important:
Always consider additional factors such as ceiling height, insulation quality, sun exposure, number of windows, climate, and the number of heat-producing appliances in your space when choosing the right system.
What You Need for a Complete System
This condenser requires pairing with:
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Compatible MRCOOL® DIY® 4th Gen Multi-Zone Air Handlers
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Pre-Charged Quick Connect® Line Sets (sold separately)
Optional Accessories:
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MRCOOL® Wall Mount Brackets or Ground Pads for Condenser
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Line Sets Coupler Kits
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Additional Line Sets
Installation
Installation & Manuals
Shipping & Returns
Shipping Policy
At Cool Heat Direct, we offer free curbside delivery on all MRCOOL product orders via FedEx Ground, FedEx Freight, or trusted carriers depending on order size.
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Deliveries are made to the curbside — please arrange assistance for heavy or large items, as drivers do not carry items indoors or upstairs.
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Tracking details will be sent within 3–5 business days after placing your order.
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Freight shipments are scheduled directly by the carrier using the contact information you provide at checkout.
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Please inspect your shipment upon delivery and report any visible damage on the delivery receipt.
Return Policy
We want you to love your purchase from Cool Heat Direct. If you need to return an item:
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Contact us within 30 days of delivery.
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Items must be unused, uninstalled, and in their original packaging.
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A 35% restocking fee applies to all approved returns.
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Accessories such as line sets, wall mounts, and couplers are non-returnable.
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Return shipping is the customer’s responsibility unless the item is damaged or defective on arrival.
To start a return, please email us at support@coolheatdirect.com with your order number and reason for return.
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