MRCOOL DIY Mini Split – 48,000 BTU 5 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM548HPC01C336
$14,713.00 Original price was: $14,713.00.$10,898.00Current price is: $10,898.00.
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Introducing the 4th Generation MRCOOL DIY Mini Split, your comprehensive solution for efficiently cooling and heating any space, whether it’s a home or an office. This package includes: a 48K BTU Multi-Zone Condenser, four Ceiling Cassette Air Handlers with capacities of 9K and 12K BTU, a remote control, and the necessary lineset and communication wire for each air handler. The standout feature of this system is its DIY installation capability, allowing you to set it up in virtually any location without the need for an expensive HVAC technician or specialized tools.
Mini Split System Includes
- MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser, 4th Gen Series, SKU: DIY-MULTI5-48HP230C
- MRCOOL DIY Series 9K BTU Ceiling Cassette, SKU: DIYCASSETTE09HP-230C25 (x 4)
- MRCOOL DIY Series 12K BTU Ceiling Cassette, SKU: DIYCASSETTE12HP-230C25
- MRCOOL 35ft 1/4 x 1/2 Pre-Charged Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY35-1412C (x 5)
48K BTU Condenser
- Energy Efficient. This 48K BTU condenser achieves an impressive efficiency rating of up to 20.5 SEER2, making it eligible for significant savings through energy or tax rebates.
- Works in Extreme Temperatures. The system is designed to provide heating even in conditions as low as -5°F.
- Cool and Heat Worry-Free. Enjoy peace of mind with a 7-year warranty on the compressor and a 5-year parts warranty. For lifetime coverage on the compressor, simply enroll in the MRCOOL Care Program.
Air Handler 9K BTU
- Vast Coverage Area. The cassette effectively heats and cools areas ranging from 180 to 375 sq. ft.
- Versatile. Equipped with multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP, this unit adapts to your needs.
- Out of Sight Design. With its low-profile installation, this unit discreetly delivers heating and cooling.
- Worry-Free Installation. This model can be easily installed between various joists on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access. The Elevation function allows the filter panel to lower for straightforward maintenance.
Air Handler 12K BTU
- Vast Coverage Area. This cassette services spaces between 250 to 500 sq. ft.
- Versatile. Like its 9K counterpart, it features multiple operating modes: COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Out of Sight Design. The low-profile installation ensures discreet heating and cooling.
- Worry-Free Installation. Installation is straightforward across different joist types on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access. The Elevation function facilitates easy access for air filter maintenance.
Line Set
- Pre-Charged. These line sets are pre-charged with the exact amount of R-410A refrigerant.
- DIY & Save Money. This feature enables you to complete the installation without the need for a certified technician, resulting in substantial cost savings.
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Product Overview
 Covers 2000 sq. ft.      Â
 DIY Installation
  Ceiling Mounted       Â
  Number of Zones: 5
 Voltage: 208 to 230     Â
 Outdoor Operating Temp (Cool): 5°F to 122°F
 Outdoor Operating Temp (Heat): 5°F to 75.2°F
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What's Included
Air Handler

Condenser

Line Set

Wall Sleeve

Communication Wire

Remote Control
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Specifications and Dimensions
Condenser Specifications Product Dimensions 37.48″W x 16.34″D x 52.48″H Cooling Capacity 48,000 BTU Heating Capacity 48,000 BTU Zone Capacity 5 Cool Mode – Outdoor Operating Temperature Range 5°F ~ 122°F Heat Mode – Outdoor Operating Temperature Range 5°F ~ 75.2°F SEER2 20.50 EER2 11 HSPF2 9.2 Voltage Requires a minimum of 208V-230V/60HZ/18-25A (please check your home meets this electrical requirement prior to purchase) Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air Handler — 9K BTU Product Dimensions 50.31″W x 13.19″D x 8.98″H Mount Type Ceiling Cassette Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
SleepAir Handler — 12K BTU Product Dimensions 50.31″W x 13.19″D x 8.98″H Mount Type Ceiling Cassette Cooling Capacity 12,000 BTU Heating Capacity 12,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
SleepLine Set Length 35 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
Coverage Area
For precise climate control in your space, refer to our coverage chart to determine the appropriate BTU capacity. Our cooling and heating units are tailored to specific square footage ranges, ensuring efficient operation. For personalized assistance, our Sales Team is available to address any additional factors affecting performance, such as insulation quality, ceiling height, and appliance density. Here’s a breakdown of BTU requirements based on square footage:
- 180-375 sq ft: 9,000 BTU
- 376-500 sq ft: 12,000 BTU
- 501-750 sq ft: 18,000 BTU
- 751-1,000 sq ft: 24,000 BTU
- 1,001-1,500 sq ft: 36,000 BTU
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Handling Line Sets
When installing your MRCOOL system, handle refrigerant lines carefully to ensure optimal performance and prevent damage.
Bending the Copper Lines: Maintain a minimum 4-inch bend radius and use smooth curves instead of sharp angles to protect the lines and ensure proper refrigerant flow.
Avoid Repeated Bending: Bending copper lines more than three times can harden and weaken them, increasing the risk of breakage. Handle with care and minimize adjustments.
For best results, use gradual bends and consult a licensed professional or our support team if needed.























