MRCOOL DIY Mini Split – 48,000 BTU 5 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump, DIY-BC-548HP0909090912
$10,449.00 Original price was: $10,449.00.$8,708.00Current price is: $8,708.00.
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Introducing the 4th Generation MRCOOL Mini Split system, a comprehensive climate control solution featuring a DIY 48,000 BTU Multi-Zone Condenser, four 9,000 BTU Ceiling Cassette Air Handlers, one 12,000 BTU Ceiling Cassette Air Handler, and five remote controls. Remarkably, this system is designed for easy self-installation, allowing you to take charge of your home’s comfort.
Package 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 (x4)
- MRCOOL DIY Series 12K BTU Ceiling Cassette, SKU: DIYCASSETTE12HP-230C25
Please note that linesets are not included; make sure to scroll up and add them to your order!
Condenser
- Energy Efficient:Â This 5 Zone condenser, when paired with compatible MRCOOL air handlers, achieves an impressive 20.5 SEER efficiency rating.
- Works In All Environments: It continues to deliver exceptional heating performance even in temperatures as low as 5°F.
- Lifetime Warranty:Â For your peace of mind, this is the only condenser available that comes with a limited lifetime compressor warranty. Simply register with the MRCOOL Care Program to activate this benefit!
Air Handler, 9K BTU, Quantity: 4
- Large Coverage Area:Â Each handler efficiently covers an area of up to 375 sq. ft.
- Versatile:Â This unit is equipped with multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidification), and SLEEP.
- Out of Sight Design:Â Designed for low-profile installation, it ensures discreet heating and cooling.
- Worry-Free Installation:Â It can be easily installed between various types of joists on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access:Â By activating the Elevation function on the remote controller or smart controller, the filter panel lowers for effortless air filter maintenance.
Air Handler, 12K BTU, Quantity: 1
- Large Coverage Area:Â This handler covers an area of up to 500 sq. ft.
- Versatile:Â Similar to the 9K unit, it features multiple operating modes: COOL, HEAT, AUTO, DRY (dehumidification), and SLEEP.
- Out of Sight Design:Â It boasts low-profile installation for unobtrusive heating and cooling.
- Worry-Free Installation:Â Effortlessly installed between all types of joists on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access:Â The Elevation function on the remote controller or smart controller allows the filter panel to lower, making air filter maintenance simple.
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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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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 5F ~ 122F Heat Mode – Outdoor Operating Temperature Range 5F ~ 75.2F 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 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 from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
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 from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
Sleep -
Coverage Area
When selecting the appropriate cooling or heating unit for your space, it’s essential to consider the area’s square footage. Our coverage chart provides a clear guideline for determining the necessary BTUs based on square footage:
- 180-375 Square Feet: 9,000 BTU
- 376-500 Square Feet: 12,000 BTU
- 501-750 Square Feet: 18,000 BTU
- 751-1,000 Square Feet: 24,000 BTU
- 1,001-1,500 Square Feet: 36,000 BTU
Factors such as insulation, ceiling height, and the presence of appliances can influence performance. For personalized assistance, feel free to reach out to our 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.



















