The MRCOOL® DIY® 5th Generation Multi-Zone 27,000 BTU ductless mini-split system provides efficient heating and cooling for two separate zones with a 9,000 BTU and 12,000 BTU wall-mounted air handler configuration. With a 23 SEER2 rating and DC inverter technology, the system is designed to deliver efficient, consistent comfort while allowing each zone to be controlled independently.
The system combines a 27,000 BTU multi-zone condenser with two indoor air handlers rated for approximately 400 and 550 square feet respectively. MRCOOL® DIY® technology uses pre-charged Quick Connect® line sets and a sealed refrigerant system to simplify installation without requiring specialized HVAC tools or training, while the condenser can support up to four indoor units for future expansion.
Smart control features include the MRCOOL® Smart HVAC Controller® and smartphone app, with compatibility for Amazon Alexa and Google Assistant. Additional features include Follow Me®, low ambient cooling, quiet operation, Gold Fin® condenser protection, reusable filters, and R-454B refrigerant. The system includes a 5-year parts warranty and 7-year compressor warranty, with optional extended limited lifetime replacement coverage through the MRCOOL® Care Program.
What's Included
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MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU Mini Split Condenser, DIY-MULTI4-27HP230D-O -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 12,000 BTU Wall Mount Air Handler, DIY-12-HP-WMAH-230D25-O
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
MODEL |
DIY-MULTI4-27HP230D-O / DIY-09-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O |
SKU |
DIYM227HPW02D |
GTIN / UPC |
840255587457 / 840255587020 / 840255587037 |
EQUIPMENT TYPE |
Multi-Zone Ductless Mini-Split Heat Pump |
CONFIGURATION |
2-Zone (9K + 12K) |
TONNAGE |
2.25 |
COOLING CAPACITY (BTU/H) |
26,000 |
HEATING CAPACITY (BTU/H) |
26,000 |
SEER2 |
23 |
EER2 |
12 |
HSPF2-4 |
9.5 |
HSPF2-5 |
7 |
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
MIN CIRCUIT AMPACITY (A) |
23 |
MAX FUSE / BREAKER (A) |
25 |
COLOR |
White |
ZONE CAPACITY |
4 |
REFRIGERANT |
R-454B |
REFRIGERANT VOLUME (OZ) |
84.66 |
DECIBEL RATING (DBA) |
61 condenser / 20-54 air handler |
INVERTER |
DC |
LINE SET LENGTH (FT) |
25 |
MAX LINE SET LENGTH (FT) |
221.4 |
LIQUID / SUCTION LINE SIZE |
1/4 in / 3/8 in |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER INCLUDED / AVAILABLE |
No / No |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
WIFI / APP COMPATIBILITY |
Yes / Yes |
WORKS WITH IOS / ANDROID |
Yes / Yes |
REMOTE CONTROL INCLUDED |
Yes |
CERTIFICATIONS |
UL / ETL / ENERGY STAR / AHRI |
WARRANTY |
5-year Parts / 7-year Compressor / Extended Limited Lifetime* |
CONDENSER DIMENSIONS (D X H X W) |
16.14 x 31.89 x 37.24 in |
CONDENSER GROSS DIMENSIONS (D X H X W) |
19.69 x 34.84 x 42.91 in |
CONDENSER NET / GROSS WEIGHT |
140.21 / 151.02 lb |
AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O |
AIR HANDLER VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
AIR HANDLER MOUNT TYPE |
Wall |
AIR HANDLER CAPACITY |
9,000 / 12,000 BTU |
MAX COVERAGE AREA |
400 / 550 sqft |
AIR HANDLER COLOR |
White |
AIR HANDLER OSCILLATION |
Yes |
AIR HANDLER FILTER TYPE |
Reusable |
AUXILIARY HEATER INCLUDED / AVAILABLE |
No / No |
AIR HANDLER FEATURES |
Fan Only, Quiet Mode, Auto Cool, WiFi, App, iOS, Android |
REMOTE CONTROL INCLUDED |
Yes |
AIR HANDLER CERTIFICATIONS |
UL / ETL / AHRI |
AIR HANDLER WARRANTY |
5-year Parts / 7-year Compressor |
AIR HANDLER NET DIMENSIONS (D X H X W) |
7.44 x 11.69 x 31.57 in / 7.44 x 11.63 x 31.57 in |
AIR HANDLER GROSS DIMENSIONS (D X H X W) |
16.34 x 14.37 x 36.02 in |
AIR HANDLER NET / GROSS WEIGHT |
24.47 / 35.05 lb each |