The MRCOOL® DIY® 5th Gen Multi-Zone 55,000 BTU Ductless Mini Split is designed to provide efficient heating and cooling across three independently controlled zones. This configuration pairs a powerful 55,000 BTU outdoor condenser with 6,000 BTU, 9,000 BTU, and 36,000 BTU wall-mounted air handlers for flexible comfort in different areas of the home.
The 6,000 BTU air handler is designed for spaces up to approximately 200 square feet, while the 9,000 BTU unit can accommodate up to approximately 400 square feet. The larger 36,000 BTU air handler provides coverage for spaces up to approximately 1,550 square feet, making this configuration suitable for combining smaller rooms with a large living area or open space.
With 22 SEER2 efficiency, DC inverter technology, R-454B refrigerant, smartphone app controls, Follow Me® functionality, and pre-charged Quick Connect® technology, this system delivers convenient year-round climate control with a streamlined 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 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O
Quantity: 1 -
MRCOOL DIY 5th Gen 36,000 BTU Wall Mount Air Handler, DIY-36-HP-WMAH-230D25-O
Quantity: 1
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
MODEL |
DIY-MULTI6-55HP230D-O |
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 + 9,000 BTU + 36,000 BTU |
6K AIR HANDLER COVERAGE |
Up to 200 sq. ft. |
9K AIR HANDLER COVERAGE |
Up to 400 sq. ft. |
36K AIR HANDLER COVERAGE |
Up to 1,550 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 |
43A |
CONDENSER NOISE |
64 dBA |
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
9K AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O |
36K AIR HANDLER MODEL |
DIY-36-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 |
DIYM355HPW02D |
CONDENSER GTIN |
840255587488 |
UPC |
840255587488 |

















