The Mitsubishi 48,000 BTU low temperature multi-zone outdoor heat pump (MXZ-SM48NLHZ) is an extremely efficient heating and cooling option that can handle four zones at significantly lower temperature levels.
This specific outdoor unit allows you to connect a wide variety of indoor units that can range up to 8 with the branch box or up to 12 without the branch box (City Multi). The MXZ-SM48NLHZ is part of Mitsubishi's Smart Multi Series, catering to residential or commercial applications. This outdoor unit is perfect for customers located in regions that experience consistent sub 0 temperatures.

This system provides 100% of heating capacity at -5˚F. This system uses the new R454B refrigerant, and is the direct replacement for MXZ-SM48NAMHZ*.

Unit Type: 4.0 Ton Inverter Condenser
Product Line: Smart Multi Series
Operating Mode: Cooling & Heating
Low Ambient Heat: Yes (Hyper-Heating)
Number of Zones: 8 (with branch box) or 12 (without branch box)
Unit Size: 48,000 BTU
Required Install Kit: Branch Box (M-P Series)
Refrigerant Type: 454B

Outdoor Unit MXZ-SM48NLHZ

(Non-Ducted // Mixed // Ducted)
Cooling at 95F: Maximum Capacity Btu/h 48,000 // 48,000 // 48,000
Cooling at 95F: Rated Capacity Btu/h 48,000 // 48,000 // 48,000
Cooling at 95F: Minimum Capacity Btu/h 15,000 // 15,000 // 15,000
Heating at 47F: Maximum Capacity Btu/h 54,000 // 54,000 // 54,000
Heating at 47F: Rated Capacity Btu/h 54,000 // 54,000 // 54,000
Heating at 47F: Minimum Capacity Btu/h 13,000 // 13,000 // 13,000
Heating at -13F: 54,000 // 54,000 // 54,000
SEER2: 23 // 20.50 // 18
EER2: 13.10 // 11.55 // 10
HSPF2: 11.50 // 10.75 // 10
Heating Minimum Temp -13 F
Cooling Minimum Temp 14 F
Room Cooling/Heating Capacity up to 2000 sq ft

• Compatible with M- and P-Series and CITY MULTI® indoor units (branch box required for connection with M- and P-Series)
• Compressor overcurrent detection
• Compressor thermal protection
• Fan motor overheating/voltage protection
• High pressure protection
• INVERTER-driven compressor
• Quiet operation: Outdoor units are as quiet as a typical conversation
• Seacoast protection
• Thermal Differential 1°F
• Hyper-heating performance offers 100% heating capacity at 5°F and 75% heating capacity at -13°F