Mitsubishi MXZ-SM60NL 60,000 BTU Smart Multi Heat Pump Unit - R454B - MXZSM60NL
high-capacity, efficient, and flexible heat pump designed to deliver year-round comfort for large residential or light commercial spaces. Built on Mitsubishi’s industry-leading INVERTER technology, the MXZ-SM60NL offers precise temperature control, quiet operation, and robust performance in a wide range of climates. This model requires a compatible Mitsubishi branch box when paired with M- or P-Series indoor units.
The MXZ-SM60NL provides a maximum cooling capacity of 60,000 BTU/h and a maximum heating capacity of 66,000 BTU/h at 47°F, ensuring powerful comfort even in demanding environments. It maintains 65,000 BTU/h at 17°F, 46,500 BTU/h at 5°F, and delivers 30,000 BTU/h at -13°F for reliable cold-weather performance. With efficiency ratings reaching SEER2 up to 20, HSPF2 up to 10.5, and COP values up to 4.1 at 47°F, it meets ENERGY STAR certification for non-ducted configurations.
Durability comes standard with Blue Fin anti-corrosion coating on the heat exchanger and base panel, tested for 2,000 hours per ASTM B117 salt-spray standards. The twin rotary INVERTER-driven compressor (model MRB53FEJMC-L) adjusts output to meet demand, while maintaining quiet operation at 58 dB(A) in cooling and 59 dB(A) in heating. Its Munsell 3Y 7.8/1.1 finish delivers a clean, professional appearance, and an optional base pan heater enhances cold-climate performance.
The MXZ-SM60NL offers unmatched installation flexibility, supporting up to eight indoor units with a branch box and up to twelve without. It allows piping runs of up to 492 ft and a maximum height difference of 164 ft between the outdoor and indoor units. It comes pre-charged with 6 lbs. 10 oz. of R454B refrigerant, simplifying installation.
Safety is prioritized with built-in compressor overcurrent detection, compressor thermal protection, fan motor overheating/voltage safeguards, and high-pressure safety controls. At 41-11/32" W x 13" D x 52-11/16" H and weighing 278 lbs, the MXZ-SM60NL delivers big performance in a compact footprint.
Whether cooling expansive areas in summer or heating large spaces in winter, the Mitsubishi MXZ-SM60NL offers exceptional power, efficiency, and reliability—making it the ideal choice for multi-zone climate control in large-scale applications.
Specifications
| Category |
Specification |
| Model Number |
MXZ-SM60NL |
| Type |
Multi-Zone Heat Pump Outdoor Unit |
| Cooling Capacity (Max / Rated / Min) |
60,000 / 60,000 / 16,000 BTU/h |
| Heating Capacity @47°F (Max / Rated / Min) |
66,000 / 66,000 / 13,500 BTU/h |
| Heating Capacity @17°F (Max / Rated) |
65,000 / 41,500 BTU/h |
| Heating Capacity @5°F (Max) |
46,500 BTU/h |
| Heating Capacity @-13°F (Max) |
30,000 BTU/h |
| SEER2 (Non-Ducted / Mixed / Ducted) |
20.0 / 18.2 / 16.4 |
| HSPF2 (Non-Ducted / Mixed / Ducted) |
10.5 / 10.0 / 9.5 |
| COP @47°F (Non-Ducted / Mixed / Ducted) |
4.10 / 3.70 / 3.30 |
| COP @17°F Max (Non-Ducted / Mixed / Ducted) |
2.18 / 2.16 / 2.16 |
| 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) |
58 dB(A) / 59 dB(A) |
| Compressor Type / Model |
Twin Rotary / MRB53FEJMC-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) |
278 lbs / 304 lbs |
| Max # of Indoor Units (With Branch Box) |
8 |
| Max # of Indoor Units (Without Branch Box) |
12 |
| Max Total Piping Length |
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 |
Optional |
What our Experts Think
-
High‑Capacity Multi‑Zone Outdoor Unit: The Mitsubishi MXZ‑SM60NL 60,000 BTU Smart Multi Heat Pump Unit delivers robust cooling and heating for large homes or multi‑zone systems, supporting up to eight indoor units (with branch box) and flexible zone configurations.
-
Smart Multi Compatibility: Designed for Smart Multi (MXZ‑SM) systems, it works with a wide range of indoor units (ducted or ductless) from Mitsubishi M‑Series, P‑Series, and City Multi lines, enhancing system design flexibility.
-
Efficient All‑Season Performance: With inverter‑driven compressor technology and high SEER2 ratings (up to ~20) plus strong heating performance at low temperatures, it delivers year‑round comfort with improved energy efficiency.
-
R‑454B Refrigerant: Uses low‑GWP R‑454B refrigerant for better environmental performance while maintaining strong heating and cooling output.
-
Quiet, Durable Operation: Engineered for quiet operation (~58–59 dB) with built‑in protections (thermal, high‑pressure, fan motor safeguards) and seacoast‑rated corrosion protection for long‑lasting reliability.
-
Large Piping & Height Capacity: Supports long pipe runs and significant height differences between outdoor and indoor units — ideal for multi‑level homes or complex layouts.
-
Energy‑Star Certified: Meets ENERGY STAR efficiency standards (non‑ducted configuration), which can help reduce energy costs and environmental impact.
-
Professional & Scalable Choice: A top pick for homeowners and contractors seeking scalable climate control with strong efficiency, wide compatibility, and flexible zoning in one outdoor heat pump platform.
Q&A
Q: What type of HVAC unit is this?
A: The Mitsubishi MXZ‑SM60NL is a Smart Multi‑Zone heat pump outdoor condenser that provides both cooling and heating for multi‑zone mini‑split systems.
Q: What capacity does the unit deliver?
A: It offers a 60,000 BTU cooling capacity and up to 66,000 BTU heating capacity, ideal for larger homes or multi‑room applications.
Q: What refrigerant does it use?
A: Uses R‑454B refrigerant, which has a lower global‑warming potential and improved efficiency over older refrigerants.
Q: How efficient is this model?
A: Features SEER2 ratings up to ~20 and HSPF2 up to ~10.5, offering high energy efficiency and ENERGY STAR certification in certain configurations.
Q: How many indoor units can it support?
A: It supports up to 8 indoor units with a branch box and up to 12 units without a branch box, providing flexible zoning options.
Q: Does it perform well in cold climates?
A: Yes – the inverter‑driven compressor and advanced design deliver strong heating performance down to low ambient temperatures, making it suitable for cold climates.
Q: What are notable durability or reliability features?
A: Includes seacoast protection (ASTM B117), compressor and motor thermal protection, and high‑pressure safety control for enhanced durability.
Q: How quiet is the unit?
A: Designed for quiet operation, with sound levels around the range of typical environmental noise, minimizing disturbance.
Q: What are its electrical and installation characteristics?
A: Operates on 208/230 V AC single‑phase power and requires compatible indoor mini‑split units; a branch box is needed for M‑ and P‑Series indoor units.
Maintenance Tips
-
18,000 BTU cooling capacity / ~21,600 BTU heating capacity for efficient year‑round comfort.
-
High energy efficiency: ~18.9 SEER / ~12.8 EER / ~10.8 HSPF.
-
H2i Hyper‑Heat performance: Maintains 100% rated heating capacity down to ~5 °F (‑15 °C), ideal for cold climates.
-
DC inverter twin rotary compressor for smooth modulation and energy savings.
-
Quiet operation: Approx. 55 dB(A) sound level.
-
Blue Fin anti‑corrosion coating on heat exchanger for extended outdoor durability.
-
Hot‑start technology: Prevents cold‑air rush on startup or after defrost cycles.
-
Built‑in base pan heater to prevent coil freeze‑ups in cold weather.
-
Single‑phase 208/230 V, 60 Hz electrical with flared refrigerant connections.
-
Designed for universal compatibility with various Mitsubishi indoor units (ducted or ductless).
Damage 
Loss 
Theft 
![Chery Industrial [BARGAIN] 7' Garage Storage Cabinets with 20 Drawers - A_WW000208](http://backyardprovider.com/cdn/shop/files/bargain-7-ft-work-bench-with-20-drawers_30.png?v=1775546940)
