Mitsubishi MXZ-SM48NLHZ 48,000 BTU Smart Multi Hyper-Heating H2i® Outdoor Unit
- $7287
- $7141.00
Introducing the Mitsubishi 48,000 BTU Multi-Zone Hyper Heat Pump Outdoor Unit MXZ-SM48NLHZ , a top-tier solution for efficient, reliable, and ultra-quiet heating and cooling in up to eight zones. Engineered with Mitsubishi’s advanced INVERTER technology and enhanced Hyper-Heating performance, this unit delivers powerful comfort even in extreme cold climates. A compatible Mitsubishi branch box is required when pairing with M- or P-Series indoor units.
The MXZ-SM48NLHZ boasts a maximum cooling capacity of 48,000 BTU/h and an impressive maximum heating capacity of 54,000 BTU/h at 47°F , ensuring steady performance year-round. Thanks to its Hyper-Heating technology, it maintains 54,000 BTU/h at 17°F , 54,000 BTU/h at 5°F , and continues to deliver full output at -13°F . With efficiency ratings reaching SEER2 up to 23 , HSPF2 up to 11.5 , and COP values up to 4.0 at 47°F , it meets ENERGY STAR® certification for non-ducted configurations.
Durability is built in with Blue Fin anti-corrosion protection on the heat exchanger and base panel, rated for 2,000 hours of salt-spray exposure per ASTM B117 standards. The twin rotary INVERTER-driven compressor (model MRK53FFJMC-L) modulates precisely for optimal comfort while operating quietly—51 dB(A) in cooling and 54 dB(A) in heating . A sleek Munsell 3Y 7.8/1.1 finish ensures a modern look, and a built-in base pan heater enhances cold-weather reliability.
Installation is highly adaptable, supporting total piping runs up to 492 ft with a branch box and a maximum height difference of 164 ft between the outdoor and indoor units. The MXZ-SM48NLHZ can connect to up to eight indoor units with a branch box and offers a maximum connected capacity of 62,400 BTU/h. It comes pre-charged with 6 lbs. 10 oz. of R454B refrigerant to streamline installation.
Built-in safety features include compressor overcurrent detection, compressor thermal protection, fan motor overheating/voltage safeguards, and high-pressure protection. Compact at 41-11/32" W x 13" D x 52-11/16" H and weighing 283 lbs , this unit delivers exceptional performance without taking up excessive outdoor space.
Whether cooling a large home in the heat of summer or delivering full heating capacity through frigid winters, the Mitsubishi MXZ-SM48NLHZ is the premium choice for multi-zone climate control with unmatched cold-weather capability.
Specifications – MXZ-SM48NLHZ
| Category | Specification |
|---|---|
| Model Number | MXZ-SM48NLHZ |
| Type | Multi-Zone Hyper Heat Pump Outdoor Unit |
| Cooling Capacity (Max / Rated / Min) | 48,000 / 48,000 / 15,000 BTU/h |
| Heating Capacity @47°F (Max / Rated / Min) | 54,000 / 54,000 / 13,000 BTU/h |
| Heating Capacity @17°F (Max / Rated) | 54,000 / 38,000 BTU/h |
| Heating Capacity @5°F (Max) | 54,000 BTU/h |
| Heating Capacity @-13°F (Max) | 54,000 BTU/h |
| SEER2 (Non-Ducted / Mixed / Ducted) | 23.0 / 20.5 / 18.0 |
| HSPF2 (Non-Ducted / Mixed / Ducted) | 11.5 / 10.75 / 10.0 |
| COP @47°F (Non-Ducted / Mixed / Ducted) | 4.00 / 3.60 / 3.20 |
| COP @17°F Max (Non-Ducted / Mixed / Ducted) | 2.00 / 1.88 / 1.76 |
| COP @5°F Max (Non-Ducted / Mixed / Ducted) | 2.00 / 1.90 / 1.80 |
| ENERGY STAR® Certified | Yes / No / No |
| Sound Pressure Level (Cooling / Heating) | 51 dB(A) / 54 dB(A) |
| Compressor Type / Model | Twin Rotary / MRK53FFJMC-L |
| Refrigerant / Charge | R454B / 6 lbs. 10 oz. |
| Dimensions (W x D x H) | 41-11/32" x 13" x 52-11/16" |
| Weight (Net / Shipping) | 283 lbs / 309 lbs |
| Max # of Indoor Units (With Branch Box) | 8 |
| Max Total Piping Length (With Branch Box) | 492 ft (150 m) |
| Max Height Difference (ODU above IDU) | 164 ft (50 m) |
| Operating Range (Cooling) | 23°F – 115°F |
| Operating Range (Heating) | -13°F – 70°F |
| Finish Color | Munsell 3Y 7.8/1.1 |
| Branch Box Requirement | Yes (required for M- and P-Series) |
| Base Pan Heater | Built-in |
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