System Highlights
- Graduated Zone Sizing: A 9K cassette (up to 400 sq. ft.), a 12K cassette (up to 550 sq. ft.), and an 18K cassette (up to 800 sq. ft.).
- Flush Ceiling Integration: Low-profile cassettes fit between 16" joists for a clean architectural finish — no ductwork, no wall penetrations.
- Maximum Expansion Headroom: The 55K condenser supports up to six zones, leaving three ports open for future handlers.
- True DIY Installation: Patented pre-charged Quick Connect® line sets eliminate vacuuming, charging, and professional trade labor. Every line set in this kit includes the DIYPro® cable.
- Elevation Filter Access: The panel lowers on demand so filters can be cleaned without dismantling the unit.
- Smart Control: Wireless remotes, the SmartHVAC app for iOS and Android, plus Amazon Alexa and Google Assistant support out of the box.
What’s Included
- 1 × DIY-MULTI6-55HP230D-O — 55K BTU Multi-Zone Condenser, 230V (6-zone capable)
- 1 × DIYCASSETTE09HP-230D25-O — 9K BTU OuttaSight® One-Way Ceiling Cassette, 230V
- 1 × DIYCASSETTE12HP-230D25-O — 12K BTU OuttaSight® One-Way Ceiling Cassette, 230V
- 1 × DIYCASSETTE18HP-230D25-O — 18K BTU OuttaSight® One-Way Ceiling Cassette, 230V
- 2 × Pre-charged 1/4" × 3/8" Quick Connect® line sets with DIYPro® cable (for the 9K and 12K zones)
- 1 × Pre-charged 1/4" × 1/2" Quick Connect® line set with DIYPro® cable (for the 18K zone)
- Wireless remotes, mounting hardware, and installation documentation
Condenser Specifications — DIY-MULTI6-55HP230D-O
| SEER2 / EER2 | 22 / 12 |
|---|---|
| HSPF2-4 / HSPF2-5 | 10.6 / 8.5 |
| Cooling / Heating Capacity | 47,000 BTU / 55,000 BTU |
| Tonnage | 4.6 |
| Zone Capacity | 6 (3 used in this kit) |
| Electrical | 208–230V, 1 Phase, 60 Hz |
| Max Fuse Breaker / MCA | 45A / 43A |
| Refrigerant | R-454B, 151.68 oz (pre-charged) |
| Compressor / Inverter | Rotary / DC |
| Sound Level | 64 dBA |
| Max Total Line Set Length | 221.4 ft |
| Net Dimensions (D×H×W) | 16.34" × 52.48" × 37.48" |
| Net Weight | 245.81 lbs |
Zone Configuration
| Specification | Zone 1 — 9K | Zone 2 — 12K | Zone 3 — 18K |
|---|---|---|---|
| Coverage Area | Up to 400 sq. ft. | Up to 550 sq. ft. | Up to 800 sq. ft. |
| Line Set Sizes | 1/4" Liquid • 3/8" Suction | 1/4" Liquid • 3/8" Suction | 1/4" Liquid • 1/2" Suction |
| Dimensions & Weight | 50.31"W × 13.19"D × 8.98"H (45 lbs) | 50.31"W × 13.19"D × 8.98"H (45 lbs) | 50.31"W × 13.19"D × 8.98"H (45 lbs) |
Note: the 18K zone uses a different line set size (1/4" × 1/2") than the 9K and 12K zones (1/4" × 3/8").
Line Set Options
| Length | 9K & 12K Zones (1/4" x 3/8") | 18K Zone (1/4" x 1/2") |
|---|---|---|
| 25 ft | DIY25-1438C-O | DIY25-1412C-O |
| 35 ft | DIY35-1438C-O | DIY35-1412C-O |
| 50 ft | DIY50-1438C-O | DIY50-1412C-O |
Engineering & Warranty
- Gold Fin® Corrosion Protection against humidity and coastal salt exposure.
- DC Inverter Drive scales output to match thermal load.
- R-454B Refrigerant — more efficient and eco-friendly than R-410A.
- Certifications: Intertek listed 5031495, UL Listed, ETL Listed, ENERGY STAR® certified, AHRI certified.
- Warranty: 5-year parts and 7-year compressor coverage, eligible for the MRCOOL® Care Program.
Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.



