The MRCOOL® DIY® 5th Generation Multi-Zone 27,000 BTU ductless mini-split system combines two 18,000 BTU wall-mounted air handlers to provide independent heating and cooling for two separate living spaces. With a 23 SEER2 rating and energy-efficient DC inverter technology, this system delivers dependable year-round comfort while allowing each zone to be controlled individually.
The 27,000 BTU multi-zone condenser is designed to support multiple indoor units and is paired in this configuration with two 18,000 BTU air handlers, each capable of covering approximately 800 square feet. MRCOOL® DIY® Quick Connect® technology uses pre-charged R-454B line sets, making installation more straightforward without requiring special HVAC tools or professional training.
The system includes smart controls through the MRCOOL® Smart HVAC Controller® and smartphone app, with support for Google Assistant and Amazon Alexa. Features such as Follow Me®, low ambient cooling, quiet mode, automatic cooling, reusable filters, Gold Fin® condenser protection, and a fully sealed R-454B refrigerant system provide convenient and reliable operation. The system includes a 5-year parts warranty, 7-year compressor warranty, and extended limited lifetime replacement coverage when enrolled in 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 18,000 BTU Wall Mount Air Handler, DIY-18-HP-WMAH-230D25-O
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
MODEL |
DIY-MULTI4-27HP230D-O / DIY-18-HP-WMAH-230D25-O |
GTIN / UPC |
840255587457 |
EQUIPMENT TYPE |
Multi-Zone Ductless Mini-Split Heat Pump |
CONFIGURATION |
2-Zone (18K + 18K) |
TONNAGE |
2.25 |
COOLING CAPACITY (BTU) |
26,000 |
HEATING CAPACITY (BTU) |
26,000 |
SEER2 |
23 |
EER2 |
12 |
HSPF2-4 |
9.5 |
HSPF2-5 |
7 |
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
MAX FUSE / BREAKER (A) |
25 |
MIN CIRCUIT AMPACITY (A) |
23 |
COLOR |
White |
ZONE CAPACITY |
4 |
REFRIGERANT TYPE |
R-454B |
REFRIGERANT VOLUME (OZ) |
84.66 |
DECIBEL RATING (DBA) |
61 |
INVERTER |
DC |
LINE SET LENGTH (FT) |
25 |
MAX LINE SET LENGTH (FT) |
221.4 |
LIQUID LINE SIZE |
1/4 in |
SUCTION LINE SIZE |
3/8 in |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER INCLUDED |
No |
FEATURES |
Easy DIY Installation, Quick Connect Line Set, Multi-Room Comfort, DC Inverter, 100% Sealed System, Gold Fin Condenser, R-454B Refrigerant, Smartphone App Controls, Follow Me, Low Ambient Cooling |
SMART CONTROLS |
Google Assistant / Amazon Alexa |
CERTIFICATIONS |
UL / ETL / ENERGY STAR / AHRI |
BASE PARTS WARRANTY |
5 years |
BASE COMPRESSOR WARRANTY |
7 years |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
CONDENSER DIMENSIONS (D X H X W) |
16.14 x 31.89 x 37.24 in |
CONDENSER NET / GROSS WEIGHT |
140.21 / 151.02 lb |
AIR HANDLER MODEL |
DIY-18-HP-WMAH-230D25-O |
AIR HANDLER CAPACITY |
18,000 BTU |
AIR HANDLER TONNAGE |
1.5 |
MAX COVERAGE AREA |
800 sqft |
AIR HANDLER MOUNT TYPE |
Wall |
AIR HANDLER VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
AIR HANDLER COLOR |
White |
AIR HANDLER SOUND LEVEL (DBA) |
19 - 54.5 |
AIR HANDLER FAN SPEEDS |
5 |
AIR HANDLER LINE SIZE |
1/4 in liquid / 1/2 in suction |
AIR HANDLER FILTER TYPE |
Reusable |
AIR HANDLER FEATURES |
Oscillation, Fan Only, Quiet Mode, Auto Cool, WiFi, App, iOS, Android, Remote Control |
AIR HANDLER CERTIFICATIONS |
UL / ETL / ENERGY STAR / AHRI |
AIR HANDLER WARRANTY |
5-year Parts / 7-year Compressor |
AIR HANDLER DIMENSIONS (D X H X W) |
8.9 x 13.19 x 42.52 in |
AIR HANDLER NET / GROSS WEIGHT |
35.49 / 49.6 lb |