MRCOOL DIY Mini Split – 45,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM448HPC05C140
$12,092.00 Original price was: $12,092.00.$9,301.00Current price is: $9,301.00.
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Introducing the 4th Generation MRCOOL DIY Mini Split, a comprehensive solution designed to effortlessly cool and heat your residential or commercial space. This package includes a 48K BTU Multi-Zone Condenser, along with four air handlers: one 9k BTU and three 12k BTU Ceiling Cassette units. Additionally, each air handler is accompanied by a remote, lineset, and communication wire.
What sets the MRCOOL DIY Mini Split apart is its user-friendly installation process. With this system, there’s no need to engage costly HVAC technicians or invest in specialized equipment. Its flexibility allows for installation in virtually any location, empowering you to take control of your climate comfort.
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
- MRCOOL DIY Series 12K BTU Ceiling Cassette, SKU: DIYCASSETTE12HP-230C25 (quantity: 3)
- MRCOOL 35ft 1/4 x 1/2 Pre-Charged Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY35-1412C (quantity: 4)
Condenser 48K BTU:
- Energy Efficient: Achieves an impressive 20.5 SEER efficiency rating, qualifying for significant energy or tax rebates.
- Extreme Temperature Operation: Capable of heating even in conditions as low as -5°F.
- Warranty Coverage: Enjoy a 7-year compressor and 5-year parts warranty, with the option to extend compressor coverage to a lifetime through the MRCOOL Care Program registration.
Air Handler 9K BTU:
- Coverage Area: Provides efficient climate control for spaces ranging from 180 to 375 sq. ft.
- Versatility: Equipped with multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Discreet Design: Features low-profile installation for seamless integration into any space.
- Easy Maintenance: Accessible air filter maintenance facilitated by the Elevation function.
Air Handler 12K BTU:
- Coverage Area: Efficiently covers spaces from 250 to 500 sq. ft.
- Versatility: Offers various operating modes for personalized comfort.
- Discreet Design: Low-profile installation ensures unobtrusive heating and cooling.
- Easy Maintenance: Simplified air filter upkeep with the Elevation function.
Line Set:
- Pre-Charged: Linesets arrive pre-charged with the precise amount of R-410A refrigerant.
- Cost-Effective Installation: Allows for DIY installation, eliminating the need for professional technicians and saving you money.
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Product Overview
 Covers 1875 sq. ft.      Â
 DIY Installation
  Ceiling Mounted       Â
  Number of Zones: 4
 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 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
When considering the purchase of our cooling or heating system, it’s essential to determine the appropriate BTU output based on the square footage of your space. Please refer to the following coverage chart for guidance:
- Square Feet: 180-375 | BTU = 9K
- Square Feet: 376-500 | BTU = 12K
- Square Feet: 501-750 | BTU = 18K
- Square Feet: 751-1,000 | BTU = 24K
- Square Feet: 1,001-1,500 | BTU = 36K
Keep in mind that additional factors, such as insulation quality, ceiling height, and the presence of appliances, can influence performance. For personalized assistance in selecting the optimal solution for your needs, don’t hesitate to reach out to our experienced Sales Team.
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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.























