The MRCOOL® DIY® 5th Gen Multi-Zone 55,000 BTU Ductless Mini Split provides independent heating and cooling for three separate areas with a 9,000 BTU, 12,000 BTU, and 24,000 BTU wall-mounted air handler configuration. This setup combines different indoor capacities to provide a more practical comfort solution for rooms with different size requirements.
Powered by a high-capacity 55,000 BTU outdoor condenser and rated at 22 SEER2, the system uses DC inverter technology to adjust operation according to demand. Each indoor unit can be controlled independently, allowing different rooms to maintain their own temperature settings without requiring separate outdoor systems.
The DIY design uses MRCOOL's pre-charged Quick Connect® line sets to simplify installation by eliminating the need for field evacuation and refrigerant charging. With R-454B refrigerant, Wi-Fi connectivity, smartphone controls, Follow Me® functionality, and voice-assistant compatibility, this multi-zone system combines installation convenience with modern comfort control.
What's Included
-
MRCOOL DIY 5th Gen Multi-Zone 55,000 BTU Mini Split Condenser, DIY-MULTI6-55HP230D-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 12,000 BTU Wall Mount Air Handler, DIY-12-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
Key Features:
- Easy DIY® Installation
- Pre-Charged DIY® System
- Quick Connect® Line Set Technology
- Three-Zone Independent Comfort
- Energy-Efficient DC Inverter Technology
- 100% Sealed System
- Gold Fin® Condenser
- Eco-Safe R-454B Refrigerant
- Smartphone App Controls
- Follow Me® Temperature Sensing
- Low Ambient Cooling
- Wi-Fi Connectivity
- Compatible with iOS and Android
- Google Assistant & Amazon Alexa Compatibility
- Lifetime Technical Support
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
MODEL |
DIY-MULTI6-55HP230D-O |
SKU |
DIYM355HPW11D |
GTIN |
840255587488 |
UPC |
840255587488 |
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 |
9,000 BTU + 12,000 BTU + 24,000 BTU |
9K AIR HANDLER QUANTITY |
1 |
12K AIR HANDLER QUANTITY |
1 |
24K AIR HANDLER QUANTITY |
1 |
9K MAX COVERAGE AREA |
400 sq. ft. |
12K MAX COVERAGE AREA |
550 sq. ft. |
24K MAX COVERAGE AREA |
1,050 sq. ft. |
VOLTAGE |
208/230V |
PHASE |
1 |
CYCLE |
60 Hz |
MAX FUSE BREAKER |
45A |
MIN CIRCUIT AMPACITY |
43A |
COLOR |
White |
ZONE CAPACITY |
6 |
REFRIGERANT TYPE |
R-454B |
REFRIGERANT VOLUME |
151.68 oz. |
DECIBEL RATING |
64 dBA |
INVERTER |
DC |
LINE SET LENGTH |
25 ft. |
MAX LINE SET LENGTH |
221.4 ft. |
LIQUID LINE SIZE |
1/4 in. |
SUCTION LINE SIZE |
3/8 in. × 4; 1/2 in. × 2 |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER INCLUDED |
No |
AUXILIARY HEATER AVAILABLE |
No |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
WIFI COMPATIBILITY |
Yes |
APP COMPATIBILITY |
Yes |
IOS COMPATIBILITY |
Yes |
ANDROID COMPATIBILITY |
Yes |
CERTIFICATIONS |
UL, ETL, ENERGY STAR®, AHRI |
BASE PARTS WARRANTY |
5 Years |
BASE COMPRESSOR WARRANTY |
7 Years |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
9K AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O |
9K AIR HANDLER QUANTITY |
1 |
9K AIR HANDLER COVERAGE |
400 sq. ft. |
9K AIR HANDLER MOUNT TYPE |
Wall |
9K AIR HANDLER COLOR |
White |
9K AIR HANDLER FILTER |
Reusable |
9K AIR HANDLER OSCILLATION |
Yes |
9K AIR HANDLER WIFI |
Yes |
9K REMOTE CONTROL |
Included |
12K AIR HANDLER MODEL |
DIY-12-HP-WMAH-230D25-O |
12K AIR HANDLER QUANTITY |
1 |
12K AIR HANDLER COVERAGE |
550 sq. ft. |
12K AIR HANDLER MOUNT TYPE |
Wall |
12K AIR HANDLER COLOR |
White |
12K AIR HANDLER FILTER |
Reusable |
12K AIR HANDLER OSCILLATION |
Yes |
12K AIR HANDLER WIFI |
Yes |
12K REMOTE CONTROL |
Included |
24K AIR HANDLER MODEL |
DIY-24-HP-WMAH-230D25-O |
24K AIR HANDLER QUANTITY |
1 |
24K AIR HANDLER COVERAGE |
1,050 sq. ft. |
24K AIR HANDLER MOUNT TYPE |
Wall |
24K AIR HANDLER COLOR |
White |
24K AIR HANDLER FILTER |
Reusable |
24K AIR HANDLER OSCILLATION |
Yes |
24K AIR HANDLER WIFI |
Yes |
24K REMOTE CONTROL |
Included |


















