System Highlights
- Compact Plus Balanced Zoning: A 9K handler at 400 sq. ft., plus three matched 12K handlers at up to 550 sq. ft. each.
- Wall-Mount Simplicity: No ceiling joist work or cassette framing — handlers mount directly to an interior wall.
- Major Expansion Headroom: The 48K condenser supports up to six zones, leaving two 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.
- Follow Me® Technology: The remote senses ambient temperature at its location and adjusts airflow for more accurate comfort.
- 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-MULTI6-48HP230D-O — 48K BTU Multi-Zone Condenser, 230V (6-zone capable)
- 1 × DIY-09-HP-WMAH-230D25-O — 9K BTU Wall Mount Air Handler, 230V
- 3 × DIY-12-HP-WMAH-230D25-O — 12K BTU Wall Mount Air Handler, 230V
- 4 × Pre-charged 25 ft 1/4" × 3/8" Quick Connect® line sets with DIYPro® cable
- Wireless remotes, mounting hardware, and installation documentation
Condenser Specifications — DIY-MULTI6-48HP230D-O
| SEER2 / EER2 | 21.8 / 12 |
|---|---|
| HSPF2-4 / HSPF2-5 | 10.0 / 7.8 |
| Cooling / Heating Capacity | 43,000 BTU / 48,000 BTU |
| Tonnage | 4.0 |
| Zone Capacity | 6 (4 used in this kit) |
| Electrical | 208–230V, 1 Phase, 60 Hz |
| Max Fuse Breaker / MCA | 45A / 40A |
| Refrigerant | R-454B, 148.15 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 | 223.77 lbs |
Zone Configuration
| Zone | Model | Coverage |
|---|---|---|
| Zone 1 | DIY-09-HP-WMAH-230D25-O | Up to 400 sq. ft. |
| Zone 2 | DIY-12-HP-WMAH-230D25-O | Up to 550 sq. ft. |
| Zone 3 | DIY-12-HP-WMAH-230D25-O | Up to 550 sq. ft. |
| Zone 4 | DIY-12-HP-WMAH-230D25-O | Up to 550 sq. ft. |
All zones use 1/4" liquid and 3/8" suction lines. Each handler includes a wireless remote with Follow Me® sensing, reusable filtration, and Auto Cool and Fan Only modes. Voltage 208/230, Phase 1, Cycle 60.
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.


