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5 YEAR WARRANTY: We Believe In Our Products & Our Team
- Description
- Key Components and Features
- Summary
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY Mini Split - 42,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC00C74
Step into efficient, customizable comfort with the MRCOOL 4th Generation DIY Mini Split system. Designed for easy installation by homeowners and professionals alike, this 3-zone ductless system offers powerful heating and cooling with smart controls and sleek ceiling cassette air handlers.
48,000 BTU Condenser
- Easy Installation: MRCOOL’s patented Pre-Charged Quick Connect Line Sets allow you to install without professional tools or vacuum pumps.
- Durability: Gold Fin® condenser coating protects against corrosion and extends system life.
- Energy Efficiency: Rated at 20.5 SEER2 and 8.5 HSPF-5, delivering excellent energy savings.
- Cold Climate Ready: Reliable heating performance down to 5°F outdoor temperatures.
- Warranty: 7-year compressor and 5-year parts coverage for long-term peace of mind.
Ceiling Cassette Air Handlers
-
12,000 BTU Unit:
- Fits neatly between 16” ceiling joists for a low-profile look.
- Ideal for rooms sized 376 to 500 sq ft.
- Compatible with the DIY 4th Gen Multi-Zone system for flexible zone control.
- SmartHVAC app compatibility for remote management.
- Quick and easy installation with pre-charged line sets.
-
18,000 BTU Unit:
- Compact ceiling cassette design for unobtrusive installation.
- Covers spaces from 501 to 750 sq ft efficiently.
- Fully integrated with the DIY multi-zone system.
- Remote control via SmartHVAC app.
- Fast setup with MRCOOL’s pre-charged Quick Connect line sets.
Line Set
- Each indoor unit connects to the condenser with its own pre-charged copper line set, pre-filled with R-410A refrigerant for hassle-free installation.
- The included coupler kit allows easy extension by connecting two standard line sets, offering flexibility for larger or uniquely shaped spaces.
- Designed to enable DIY installation, saving on technician fees without sacrificing quality or performance.
The MRCOOL DIY 42,000 BTU 3 Zone Ceiling Cassette Mini Split system is perfect for providing efficient, multi-zone climate control with sleek ceiling-mounted air handlers. Its innovative pre-charged line sets and app-enabled controls make it a top choice for those seeking a high-performance HVAC solution that’s easy to install and operate.
Condenser (48K BTU)
- Streamlined Installation: Take control with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, making installation a breeze without the need for professional assistance.
- Resilient Protection: Stay safeguarded against wear with the Gold Fin® condenser coating.
- Unmatched Efficiency: Enjoy remarkable energy savings with a 20.5 SEER2 and 8.5 HSPF-5 rating.
- Winter-Ready: Generate warmth reliably, even when outdoor temperatures reach as low as 5°F.
- Comprehensive Warranty: Benefit from a 7-year compressor warranty and a 5-year parts warranty.
Air Handler (12K BTU)
- Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 12k BTU Ceiling Cassette fits easily between 16” ceiling joists for a modern, low-profile look.
- Multi-Zone Compatibility: Operates smoothly with the DIY 4th gen MZ system to support multi-zone configurations and remove the need for ductwork.
- Ideal Coverage Area: Designed to efficiently heat or cool spaces between 376 and 500 square feet.
- Remote Control Access: Gain full control of your unit with the SmartHVAC app, providing convenience from virtually anywhere.
- Effortless Installation: Installation is a breeze with MRCOOL’s Pre-Charged Quick Connect Line Set, allowing a fast and simple setup process.
Air Handler (18K BTU)
- Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 18k BTU Ceiling Cassette fits neatly within 16” ceiling joists for a clean and unobtrusive appearance.
- Multi-Zone Compatibility: Built to work with the DIY 4th gen MZ system for multi-zone functionality and ductless operation.
- Ideal Coverage Area: Capable of managing heating and cooling needs in spaces of 501 to 750 square feet with ease.
- Remote Control Access: Take full command using the SmartHVAC app, ensuring convenience whether at home or away.
- Effortless Installation: With MRCOOL’s Pre-Charged Quick Connect Line Set, setting up the unit is fast and hassle-free—no professional tools required.
Line Set
- Optimized System Performance: The advanced copper line set connects the MRCOOL Condenser to MRCOOL Air Handlers, enhancing performance for your Multi-Zone system. One line set per indoor unit ensures seamless operation.
- Pre-Charged Convenience: Designed for simplicity, these line sets are pre-filled with R-410A refrigerant, making installation quick and hassle-free.
- DIY and Cost Savings: Skip the expensive technician fees with our user-friendly design. Install confidently and save money without compromising quality.
- Extended Flexibility: Need additional reach? Our coupler kit allows you to effortlessly connect two standard line sets, ensuring unlimited cooling and heating coverage.
ELECTRICAL REQUIREMENTS
Model | DIY-MULTI5-48HP230C |
---|---|
Type | 48K BTU Condenser |
BTU | 48,000 BTU |
Power Supply | 208-230V/60 Hz/1ph |
Minimum Circuit (Disconnect) | 40.0 A |
Maximum Fuse (Breaker) | 60.0 A |
SPECIFICATIONS & 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 Compressor, 5 Years Parts |
Air 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 Sleep |
Air Handler 18K BTU | |
Product Dimensions | 50.31"W x 13.19"D x 8.98"H |
Mount Type | Ceiling Cassette |
Cooling Capacity | 18,000 BTU |
Heating Capacity | 18,000 BTU |
Registered Warranty | 5 Years Parts |
Modes | Auto (Auto selects Cool, Heat or Fan-Only) Cool Heat Dry Fan Only Sleep |
Line Set | |
Length | 50 Feet |
Liquid Line Size | 1/4" |
Suction Line Size | 1/2" |
INSTALLATION & GUIDES
Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate
For Shipping & return information visit here
- Description
- Key Components and Features
- Summary
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY Mini Split - 42,000 BTU 3 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM348HPC00C74
Step into efficient, customizable comfort with the MRCOOL 4th Generation DIY Mini Split system. Designed for easy installation by homeowners and professionals alike, this 3-zone ductless system offers powerful heating and cooling with smart controls and sleek ceiling cassette air handlers.
48,000 BTU Condenser
- Easy Installation: MRCOOL’s patented Pre-Charged Quick Connect Line Sets allow you to install without professional tools or vacuum pumps.
- Durability: Gold Fin® condenser coating protects against corrosion and extends system life.
- Energy Efficiency: Rated at 20.5 SEER2 and 8.5 HSPF-5, delivering excellent energy savings.
- Cold Climate Ready: Reliable heating performance down to 5°F outdoor temperatures.
- Warranty: 7-year compressor and 5-year parts coverage for long-term peace of mind.
Ceiling Cassette Air Handlers
-
12,000 BTU Unit:
- Fits neatly between 16” ceiling joists for a low-profile look.
- Ideal for rooms sized 376 to 500 sq ft.
- Compatible with the DIY 4th Gen Multi-Zone system for flexible zone control.
- SmartHVAC app compatibility for remote management.
- Quick and easy installation with pre-charged line sets.
-
18,000 BTU Unit:
- Compact ceiling cassette design for unobtrusive installation.
- Covers spaces from 501 to 750 sq ft efficiently.
- Fully integrated with the DIY multi-zone system.
- Remote control via SmartHVAC app.
- Fast setup with MRCOOL’s pre-charged Quick Connect line sets.
Line Set
- Each indoor unit connects to the condenser with its own pre-charged copper line set, pre-filled with R-410A refrigerant for hassle-free installation.
- The included coupler kit allows easy extension by connecting two standard line sets, offering flexibility for larger or uniquely shaped spaces.
- Designed to enable DIY installation, saving on technician fees without sacrificing quality or performance.
The MRCOOL DIY 42,000 BTU 3 Zone Ceiling Cassette Mini Split system is perfect for providing efficient, multi-zone climate control with sleek ceiling-mounted air handlers. Its innovative pre-charged line sets and app-enabled controls make it a top choice for those seeking a high-performance HVAC solution that’s easy to install and operate.
Condenser (48K BTU)
- Streamlined Installation: Take control with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, making installation a breeze without the need for professional assistance.
- Resilient Protection: Stay safeguarded against wear with the Gold Fin® condenser coating.
- Unmatched Efficiency: Enjoy remarkable energy savings with a 20.5 SEER2 and 8.5 HSPF-5 rating.
- Winter-Ready: Generate warmth reliably, even when outdoor temperatures reach as low as 5°F.
- Comprehensive Warranty: Benefit from a 7-year compressor warranty and a 5-year parts warranty.
Air Handler (12K BTU)
- Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 12k BTU Ceiling Cassette fits easily between 16” ceiling joists for a modern, low-profile look.
- Multi-Zone Compatibility: Operates smoothly with the DIY 4th gen MZ system to support multi-zone configurations and remove the need for ductwork.
- Ideal Coverage Area: Designed to efficiently heat or cool spaces between 376 and 500 square feet.
- Remote Control Access: Gain full control of your unit with the SmartHVAC app, providing convenience from virtually anywhere.
- Effortless Installation: Installation is a breeze with MRCOOL’s Pre-Charged Quick Connect Line Set, allowing a fast and simple setup process.
Air Handler (18K BTU)
- Compact Ceiling Installation: The MRCOOL DIY Series OuttaSight 18k BTU Ceiling Cassette fits neatly within 16” ceiling joists for a clean and unobtrusive appearance.
- Multi-Zone Compatibility: Built to work with the DIY 4th gen MZ system for multi-zone functionality and ductless operation.
- Ideal Coverage Area: Capable of managing heating and cooling needs in spaces of 501 to 750 square feet with ease.
- Remote Control Access: Take full command using the SmartHVAC app, ensuring convenience whether at home or away.
- Effortless Installation: With MRCOOL’s Pre-Charged Quick Connect Line Set, setting up the unit is fast and hassle-free—no professional tools required.
Line Set
- Optimized System Performance: The advanced copper line set connects the MRCOOL Condenser to MRCOOL Air Handlers, enhancing performance for your Multi-Zone system. One line set per indoor unit ensures seamless operation.
- Pre-Charged Convenience: Designed for simplicity, these line sets are pre-filled with R-410A refrigerant, making installation quick and hassle-free.
- DIY and Cost Savings: Skip the expensive technician fees with our user-friendly design. Install confidently and save money without compromising quality.
- Extended Flexibility: Need additional reach? Our coupler kit allows you to effortlessly connect two standard line sets, ensuring unlimited cooling and heating coverage.
ELECTRICAL REQUIREMENTS
Model | DIY-MULTI5-48HP230C |
---|---|
Type | 48K BTU Condenser |
BTU | 48,000 BTU |
Power Supply | 208-230V/60 Hz/1ph |
Minimum Circuit (Disconnect) | 40.0 A |
Maximum Fuse (Breaker) | 60.0 A |
SPECIFICATIONS & 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 Compressor, 5 Years Parts |
Air 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 Sleep |
Air Handler 18K BTU | |
Product Dimensions | 50.31"W x 13.19"D x 8.98"H |
Mount Type | Ceiling Cassette |
Cooling Capacity | 18,000 BTU |
Heating Capacity | 18,000 BTU |
Registered Warranty | 5 Years Parts |
Modes | Auto (Auto selects Cool, Heat or Fan-Only) Cool Heat Dry Fan Only Sleep |
Line Set | |
Length | 50 Feet |
Liquid Line Size | 1/4" |
Suction Line Size | 1/2" |
INSTALLATION & GUIDES
Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate
For Shipping & return information visit here
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Top Tier Products, Even Better Customer Care

We Believe In Our Products & Our Team