The MRCOOL® DIY® 5th Gen Multi-Zone 55,000 BTU Ductless Mini Split delivers efficient heating and cooling across three independently controlled zones. This configuration combines a 55,000 BTU outdoor condenser with one 6,000 BTU and two 12,000 BTU wall-mounted air handlers for balanced comfort throughout multiple living spaces.
The 6,000 BTU air handler is designed for spaces up to approximately 200 square feet, while each 12,000 BTU air handler can accommodate spaces up to approximately 600 square feet. This combination provides flexible zone control while allowing each area to maintain its preferred temperature.
With 22 SEER2 efficiency, DC inverter technology, R-454B refrigerant, smartphone app controls, Follow Me® functionality, and pre-charged Quick Connect® technology, this system provides convenient year-round comfort with a simplified DIY installation design.
What's Included
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MRCOOL DIY 5th Gen Multi-Zone 55,000 BTU Mini Split Condenser, DIY-MULTI6-55HP230D-O
Quantity: 1 -
MRCOOL DIY 5th Gen 6,000 BTU Wall Mount Air Handler, DIY-06-HP-WMAH-230D25-O
Quantity: 1 -
MRCOOL DIY 5th Gen 12,000 BTU Wall Mount Air Handler, DIY-12-HP-WMAH-230D25-O
Quantity: 2
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
MODEL |
DIY-MULTI6-55HP230D-O |
SKU |
DIYM355HPW24D124 |
EQUIPMENT TYPE |
Ductless Mini Split Heat Pump |
ZONE CONFIGURATION |
3-Zone |
CONDENSER CAPACITY |
55,000 BTU |
SEER2 |
22 |
EER2 |
12 |
HSPF2-4 |
10.6 |
HSPF2-5 |
8.5 |
TONNAGE |
4.6 Ton |
COOLING CAPACITY |
47,000 BTU |
HEATING CAPACITY |
55,000 BTU |
AIR HANDLER CONFIGURATION |
6,000 BTU + 12,000 BTU + 12,000 BTU |
6K AIR HANDLER COVERAGE |
Up to 200 sq. ft. |
12K AIR HANDLER COVERAGE |
Up to 600 sq. ft. each |
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 |
43A |
CONDENSER NOISE |
64 dBA |
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
12K AIR HANDLER MODEL |
DIY-12-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 |
CONDENSER GTIN |
840255587488 |
UPC |
840255587488 |

















