MRCOOL DIY 5th Gen 5-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K+18K), DIY5-B-48HP0606061218

MRCOOL DIY 5th Gen 5-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K+18K), DIY5-B-48HP0606061218 No Vac Quick Connect

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MRCOOL DIY 5th Gen 5-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K+18K), DIY5-B-48HP0606061218

Name: MRCOOL DIY 5th Gen 5-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K+6K+12K+18K), DIY5-B-48HP0606061218
Brand: MRCOOL
SKU: DIY5-B-48HP0606061218
Price: 6219.00 USD
Availability: InStock

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SKU: DIY5-B-48HP0606061218

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48,000 BTU Connected Capacity • Compact Triple Plus One Plus One Zoning • 6-Zone Capable Condenser

MRCOOL® DIY® 5th Gen 5-Zone Wall Mount Mini Split (6K+6K+6K+12K+18K)

The MRCOOL® DIY® 5th Generation 48,000 BTU 5-Zone Wall Mount Mini Split pairs a 6-zone capable 48K BTU condenser with three matched 6K, one 12K, and one 18K wall mount air handler. Three small rooms and a mid-size room round out this system alongside a large living area, with headroom to add one more zone later. Ships with 25 ft pre-charged line sets on every zone; longer runs available on request.

System Highlights

Compact Triple Plus One Plus One Zoning: Three matched 6K air handlers at 200 sq. ft. each, a 12K unit at 550 sq. ft., and an 18K unit at up to 1,000 sq. ft.
Expansion Headroom: The 48K condenser supports up to six zones, leaving one port open for a future handler.
True DIY Installation: Patented pre-charged Quick Connect® line sets eliminate vacuuming, charging, and professional trade labor. Every line set in this kit includes the DIYPro® cable.
Smart Control: Wireless remotes, the SmartHVAC app for iOS and Android, plus Amazon Alexa and Google Assistant support out of the box.

What's Included

1 × DIY-MULTI6-48HP230D-O — 48K BTU Multi-Zone Condenser, 230V (6-zone capable)
3 × DIY-06-HP-WMAH-230D25-O — 6K BTU Wall Mount Air Handler, 230V
1 × DIY-12-HP-WMAH-230D25-O — 12K BTU Wall Mount Air Handler, 230V
1 × DIY-18-HP-WMAH-230D25-O — 18K BTU Wall Mount Air Handler, 230V
4 × Pre-charged 25 ft 1/4" × 3/8" Quick Connect® line sets with DIYPro® cable (6K/12K zones)
1 × Pre-charged 25 ft 1/4" × 1/2" Quick Connect® line set with DIYPro® cable (18K zone)
Wireless remotes, mounting hardware, and installation documentation

Condenser Specifications — DIY-MULTI6-48HP230D-O

SEER2 / EER2	21.8 / 12
HSPF2-4 / HSPF2-5	10.0 / 7.8
Cooling / Heating Capacity	43,000 BTU / 48,000 BTU
Tonnage	4.0
Zone Capacity	6 (5 used in this kit)
Electrical	208–230V, 1 Phase, 60 Hz
Max Fuse Breaker / MCA	45A / 40A
Refrigerant	R-454B, 148.15 oz (pre-charged)
Compressor / Inverter	Rotary / DC
Sound Level	64 dBA
Max Total Line Set Length	221.4 ft
Net Dimensions (D×H×W)	16.34" × 52.48" × 37.48"
Net Weight	223.77 lbs

Zone Configuration

Zone	Model	Capacity & Coverage
Zone 1	DIY-06-HP-WMAH-230D25-O	6,000 BTU — up to 200 sq. ft.
Zone 2	DIY-06-HP-WMAH-230D25-O	6,000 BTU — up to 200 sq. ft.
Zone 3	DIY-06-HP-WMAH-230D25-O	6,000 BTU — up to 200 sq. ft.
Zone 4	DIY-12-HP-WMAH-230D25-O	12,000 BTU — up to 550 sq. ft.
Zone 5	DIY-18-HP-WMAH-230D25-O	18,000 BTU — up to 1,000 sq. ft.

Zones 1–4 use 1/4" liquid × 3/8" suction line sets. Zone 5 uses 1/4" liquid × 1/2" suction.

Engineering & Warranty

Gold Fin® Corrosion Protection against humidity and coastal salt exposure.
DC Inverter Drive scales output to match thermal load.
R-454B Refrigerant — more efficient and eco-friendly than R-410A.
Certifications: Intertek listed 5031495, UL Listed, ETL Listed, ENERGY STAR® certified, AHRI certified.
Warranty: 5-year parts and 7-year compressor coverage, eligible for the MRCOOL® Care Program.

Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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 some Items In The Contiguous United States only

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Frequently Asked Questions for MRCOOL

Exact running cost depends on your local electricity rate and the load you place on the system, but the 48K BTU condenser in MRCOOL DIY 5th Gen 5-Zone 48,000 BTU mini split (6K+6K+6K+12K+18K) carries a SEER2/EER2 rating of 21.8 / 12, and its DC inverter compressor modulates output rather than cycling at full power, so energy use over an 8-hour run scales with that efficiency and the actual heating or cooling demand rather than running flat-out the whole time.

Yes — MRCOOL DIY 5th Gen 5-Zone 48,000 BTU mini split (6K+6K+6K+12K+18K) ships with pre-charged 25 ft Quick Connect® line sets on every zone, so the refrigerant circuit is sealed at the factory and the homeowner does not need to pull a vacuum, weigh in charge, or hold an EPA 608 refrigerant handling certification to complete the install.

Because the condenser uses a DC inverter that ramps output up and down with demand rather than switching fully on and off, it is generally more efficient to let MRCOOL DIY 5th Gen 5-Zone 48,000 BTU mini split (6K+6K+6K+12K+18K) maintain a steady setpoint than to repeatedly shut it off and force a high-draw restart; for extended absences, raising the setpoint (cooling) or lowering it (heating) rather than powering the system off completely is the more efficient middle ground.

MRCOOL DIY 5th Gen 5-Zone 48,000 BTU mini split (6K+6K+6K+12K+18K) uses R-454B refrigerant, which the manufacturer notes is more efficient and eco-friendly than the older R-410A refrigerant, and it arrives pre-charged in the factory-sealed line sets.

Unlike a traditional central air system, which pushes conditioned air through a single network of ducts from one indoor unit, MRCOOL DIY 5th Gen 5-Zone 48,000 BTU mini split (6K+6K+6K+12K+18K) uses one outdoor condenser connected by refrigerant line sets directly to multiple individual indoor air handlers (here 5 zones), so each room or zone can be controlled and set to its own temperature with no ductwork required.

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