MRCOOL DIY Mini Split – 45,000 BTU 5 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 35 ft. Install Kit, DIYM548HPC00C336
$14,156.00 Original price was: $14,156.00.$10,889.00Current price is: $10,889.00.
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This 4th Generation MRCOOL DIY Mini Split provides a comprehensive solution for cooling and heating residential or commercial spaces. The package includes a 48K BTU Multi-Zone Condenser, accompanied by five 9K BTU Ceiling Cassette Air Handlers, each complete with a remote, lineset, and communication wire. The standout feature of this system is its DIY installation capability, eliminating the need for costly HVAC technicians or specialized equipment.
Mini Split System Includes:
- MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser, 4th Gen Series, DIY-MULTI5-48HP230C
- MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25 (x5)
- MRCOOL 35ft 1/4 x 1/2 Pre-Charged Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, DIY35-1412C (x5)
Condenser 48K BTU:
- Energy Efficient: Achieves an impressive 20.5 SEER2 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: Comes with a 7-year compressor and 5-year parts warranty, extendable to a lifetime warranty by registering into the MRCOOL Care Program.
Air Handler 9K BTU:
- Coverage Area: Covers an area ranging from 180 to 375 sq. ft., ensuring efficient climate control.
- Versatility: Equipped with multiple operating modes including COOL, HEAT, AUTO, DRY, and SLEEP.
- Sleek Design: Features a low-profile installation for discreet heating and cooling, suitable for various ceiling types.
- Easy Maintenance: Accessible air filter maintenance facilitated by the Elevation function, ensuring hassle-free upkeep.
Line Set:
- Pre-Charged: Comes pre-charged with the precise amount of R-410A refrigerant, simplifying the installation process.
- DIY Installation: Enables installation without the need for a certified technician, resulting in cost savings.
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Product Overview
 Covers 1875 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
SleepLine Set Length 35 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
Coverage Area
When considering the appropriate cooling or heating solution for your space, it’s essential to assess the square footage to determine the required BTUs. Our coverage chart provides a concise reference point for this evaluation. Here’s a breakdown of the BTU requirements based on square footage:
- 180-375 Square Feet:Â 9,000 BTU
- 376-500 Square Feet:Â 12,000 BTU
- 501-750 Square Feet:Â 18,000 BTU
- 751-1,000 Square Feet:Â 24,000 BTU
- 1,001-1,500 Square Feet:Â 36,000 BTU
Keep in mind that several additional factors, such as insulation quality, ceiling height, and the presence of appliances, can influence performance. For personalized assistance or further inquiries, feel free to reach out to our knowledgeable 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.























