MRCOOL DIY Mini Split – 54,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump with 16 ft. Install Kit, DIYM448HPW09C00
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Introducing the 4th Generation MRCOOL Mini Split, a comprehensive solution designed to efficiently cool and heat up to four separate rooms. This package includes essential components such as the DIY 48,000 BTU Multi-Zone Condenser, two 9,000 BTU Wall Mounted Air Handlers, one 12,000 BTU Wall Mounted Air Handler, one 24,000 BTU Wall Mounted Air Handler, along with four Remotes, and four 16 ft. Installation Kits. The remarkable feature of this package is its user-friendly installation, empowering you to set it up independently.
Package Contents:
- MRCOOL DIY Multi Zone 5-Zone Condenser, 4th Gen Series, DIY-MULTI5-48HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25 (x2)
- MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-12-HP-WMAH-230C25
- MRCOOL DIY 4th Generation 24K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-24-HP-WMAH-230C25
- MRCOOL 16ft 3/8 x 5/8 Lineset for DIY 24K & 36K Indoor, DIY16-3858
- MRCOOL 16ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, DIY16-1412 (x3)
When all air handlers are simultaneously operational, their combined BTU output will not surpass the rating of the condenser, ensuring optimal performance.
Condenser Highlights:
- Energy Efficiency: This 5 Zone condenser, when paired with select MRCOOL air handlers, achieves an impressive 20.5 SEER efficiency rating.
- Versatility: Capable of heating even in temperatures as low as 5°F.
- Lifetime Warranty: Exclusive to MRCOOL, this condenser boasts a limited lifetime compressor warranty, providing added assurance. Simply register with the MRCOOL Care Program to activate the lifetime warranty.
Air Handler, 9K BTU (Quantity 2):
- Coverage: Each handler spans an area of up to 375 sq. ft.
- Versatility: Equipped with multiple operating modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Compatible with Apple or Android smartphones via the Smart HVAC app for convenient operation.
- Easy Installation: Designed with a lightweight and compact build, facilitating straightforward mounting on most interior walls.
Air Handler, 12K BTU (Quantity 1):
- Coverage: Covers areas up to 500 sq. ft.
- Versatility: Features various operating modes for customized comfort.
- Smart Control: Offers smartphone compatibility for remote management.
- Effortless Installation: Designed for easy mounting on interior walls.
Air Handler, 24K BTU (Quantity 1):
- Coverage: Provides ample cooling and heating for areas up to 1,000 sq. ft.
- Versatility: Offers multiple operating modes for versatile climate control.
- Smart Control: Allows remote management via smartphone integration.
- Simple Installation: Designed for hassle-free mounting on interior walls.
Line Set 16 ft. (Quantity 4):
- Connectivity: Connects the MRCOOL Condenser to the Air Handlers.
- Pre-Charged: Comes pre-charged with R-410A refrigerant for convenience.
- DIY Installation: Enables cost-effective self-installation, eliminating the need for professional assistance.
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Product Overview
 Covers 2250 sq. ft.      Â
 DIY Installation
 Wall 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 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 Min Ambient Cool 5°F ~ 122°F Min Ambient Heat 5°F ~ 75.2°F SEER 20.5 EER 11 Voltage Requires a minimum of 208V-230V/60HZ/40-60A (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 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
SleepAir Handler 12K BTU Product Dimensions 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 12,000 BTU Heating Capacity 12,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
SleepAir Handler 24K BTU Product Dimensions 42.52″W x 8.90″D x 13.19″H Mount Type Wall Cooling Capacity 23,000 BTU Heating Capacity 25,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
SleepLine Set Length 16 Feet Liquid Line Size 3/8″ Suction Line Size 5/8″ Line Set Length 16 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.

























