The MRCOOL® DIY® 5th Generation Multi-Zone 18,000 BTU system provides efficient year-round heating and cooling for two separate indoor spaces with a 6,000 BTU and 9,000 BTU configuration. With a 23.9 SEER2 rating, DC inverter technology, and an 18,000 BTU condenser, this system is designed to deliver reliable comfort while maintaining efficient operation.
Designed for convenient DIY installation, the system uses MRCOOL® pre-charged Quick Connect® line sets and the included DIYPRO® cable to simplify installation without traditional electrical conduit. The 6,000 BTU wall-mounted air handler is designed for spaces up to approximately 200 square feet, while the 9,000 BTU air handler can serve spaces up to approximately 400 square feet.
The system features R-454B refrigerant, a Gold Fin® condenser, low ambient cooling, Follow Me® functionality, and smartphone app controls with support for Amazon Alexa and Google Assistant. The system includes a 7-year compressor warranty and 5-year parts warranty, with Limited Lifetime Replacement warranty coverage available through enrollment in the MRCOOL® Care Program.
What's Included
-
MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU Mini Split Condenser, DIY-MULTI3-18HP230D-O -
MRCOOL DIY 5th Gen 6,000 BTU Wall Mount Air Handler, DIY-06-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O
Specifications:
|
BRAND NAME |
MRCOOL |
|
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
|
MODEL |
DIY-MULTI3-18HP230D-O |
|
GTIN |
840255587617 |
|
UPC |
840255587617 |
|
EQUIPMENT TYPE |
Multi-Zone Ductless Mini-Split Heat Pump |
|
TONNAGE |
1.5 |
|
COOLING CAPACITY (BTU) |
18,000 |
|
HEATING CAPACITY (BTU) |
18,000 |
|
SEER2 |
23.9 |
|
EER2 |
13 |
|
HSPF2-4 |
10 |
|
HSPF2-5 |
7.8 |
|
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
|
MAX FUSE / BREAKER (A) |
20 |
|
MIN CIRCUIT AMPACITY (A) |
16 |
|
COLOR |
White |
|
ZONE CAPACITY |
3 |
|
REFRIGERANT TYPE |
R-454B |
|
REFRIGERANT VOLUME (OZ) |
61.73 |
|
DECIBEL RATING (DBA) |
60 |
|
INVERTER |
DC |
|
LINE SET LENGTH |
25 ft |
|
MAX LINESET LENGTH (FT) |
172.2 ft |
|
LIQUID LINE SIZE |
1/4 in |
|
SUCTION LINE SIZE |
3/8 in |
|
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 |
|
WORKS WITH IOS |
Yes |
|
WORKS WITH ANDROID |
Yes |
|
UL LISTED |
Yes |
|
ETL LISTED |
Yes |
|
ENERGY STAR CERTIFIED |
Yes |
|
AHRI CERTIFIED |
Yes |
|
REGISTERED WARRANTY |
Extended Limited Lifetime |
|
BASE PARTS WARRANTY |
5 years |
|
BASE COMPRESSOR WARRANTY |
7 years |
|
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
|
6K MAX COVERAGE AREA |
200 sqft |
|
6K MOUNT TYPE |
Wall |
|
6K FILTER TYPE |
Reusable |
|
6K REMOTE CONTROL INCLUDED |
Yes |
|
6K NET DIMENSIONS (D X H X W) |
7.44 x 11.69 x 31.57 in |
|
6K NET / GROSS WEIGHT |
24.47 / 35.05 lb |
|
9K AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O |
|
9K MAX COVERAGE AREA |
400 sqft |
|
9K MOUNT TYPE |
Wall |
|
9K FILTER TYPE |
Reusable |
|
9K REMOTE CONTROL INCLUDED |
Yes |
|
9K NET DIMENSIONS (D X H X W) |
7.44 x 11.69 x 31.57 in |
|
9K NET / GROSS WEIGHT |
24.47 / 35.05 lb |



















