The MRCOOL® DIY® 5th Gen Multi-Zone 48,000 BTU Ductless Mini Split delivers efficient heating and cooling for three separate spaces. This configuration combines 9,000 BTU, 18,000 BTU, and 24,000 BTU wall-mounted air handlers with a 48,000 BTU outdoor condenser.
Each indoor unit is designed for a different room size, providing flexible comfort throughout the home. The 9,000 BTU air handler covers up to 400 square feet, the 18,000 BTU unit covers up to 800 square feet, and the 24,000 BTU unit covers up to 1,050 square feet.
Featuring 21.8 SEER2 efficiency, DC inverter technology, R-454B refrigerant, Wi-Fi and smartphone app compatibility, Follow Me® functionality, and a pre-charged Quick Connect® design, this system provides convenient year-round comfort with DIY-friendly installation.
What's Included
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MRCOOL DIY 5th Gen Multi-Zone 48,000 BTU Mini Split Condenser, DIY-MULTI6-48HP230D-O
Quantity: 1 -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O
Quantity: 1 -
MRCOOL DIY 5th Gen 18,000 BTU Wall Mount Air Handler, DIY-18-HP-WMAH-230D25-O
Quantity: 1 -
MRCOOL DIY 5th Gen 24,000 BTU Wall Mount Air Handler, DIY-24-HP-WMAH-230D25-O
Quantity: 1
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
EQUIPMENT TYPE |
Ductless Mini Split Heat Pump |
ZONE CONFIGURATION |
3-Zone |
CONDENSER CAPACITY |
48,000 BTU |
SEER2 |
21.8 |
EER2 |
12 |
HSPF2-4 |
10 |
HSPF2-5 |
7.8 |
TONNAGE |
4 Ton |
COOLING CAPACITY |
43,000 BTU |
HEATING CAPACITY |
48,000 BTU |
AIR HANDLER CONFIGURATION |
9,000 BTU + 18,000 BTU + 24,000 BTU |
9K AIR HANDLER COVERAGE |
Up to 400 sq. ft. |
18K AIR HANDLER COVERAGE |
Up to 800 sq. ft. |
24K AIR HANDLER COVERAGE |
Up to 1,050 sq. ft. |
VOLTAGE |
208/230V |
PHASE |
1 |
CYCLE |
60 Hz |
REFRIGERANT |
R-454B |
INVERTER |
DC Inverter |
LINE SET |
Pre-Charged Quick Connect® |
MAX LINE SET LENGTH |
221.4 ft. |
LIQUID LINE SIZE |
1/4 in. |
SUCTION LINE SIZE |
3/8 in. × 4; 1/2 in. × 2 |
MAX FUSE BREAKER |
45A |
MIN CIRCUIT AMPACITY |
40A |
CONDENSER NOISE |
64 dBA |
CONDENSER MODEL |
DIY-MULTI6-48HP230D-O |
9K AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O |
18K AIR HANDLER MODEL |
DIY-18-HP-WMAH-230D25-O |
24K AIR HANDLER MODEL |
DIY-24-HP-WMAH-230D25-O |
AIR HANDLER MOUNT TYPE |
Wall Mount |
AIR HANDLER FILTER |
Reusable |
WIFI COMPATIBILITY |
Yes |
APP COMPATIBILITY |
Yes |
IOS COMPATIBILITY |
Yes |
ANDROID COMPATIBILITY |
Yes |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
LOW AMBIENT COOLING |
Yes |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER |
No |
CERTIFICATIONS |
UL, ETL, ENERGY STAR®, AHRI |
BASE PARTS WARRANTY |
5 Years |
BASE COMPRESSOR WARRANTY |
7 Years |
SKU |
DIYM348HPW29D124 |
CONDENSER GTIN |
840255587471 |
UPC |
840255587471 |


















