Name: Mitsubishi Electric 48,000 BTU 23 SEER2 Hyper-Heat Smart Multi Quad Zone Floor Mounted Ductless Mini Split Heat Pump System 9+12+12+15 with Branch Box R454B | MXZ-SM48NLHZ-MFZ-KX09NL-MFZ-KX12NL-MFZ-KX12NL-MFZ-KX15NL-PAC-LMA50BC
Brand: Mitsubishi Electric
SKU: MXZ-SM48NLHZ-MFZ-KX09NL-MFZ-KX12NL-MFZ-KX12NL-MFZ-KX15NL-PAC-LMA50BC
Price: 26848.51 USD
Availability: InStock

Mitsubishi Electric 48,000 BTU 23 SEER2 Hyper-Heat Smart Multi Quad Zone Floor Mounted Ductless Mini Split Heat Pump System 9+12+12+15 with Branch Box R454B | MXZ-SM48NLHZ-MFZ-KX09NL-MFZ-KX12NL-MFZ-KX12NL-MFZ-KX15NL-PAC-LMA50BC

Description

Overview

This Mitsubishi Electric Hyper-Heat Smart Multi heat pump system pairs the MXZ-SM48NLHZ outdoor unit with 4 MFZ-KX floor-mounted indoor units connected through a branch box for quad-zone heating and cooling. Every indoor unit uses the same mount style, so each room gets matching appearance, airflow and controls. The system runs on 208/230V, 1-phase, 60 Hz power and uses R-454B refrigerant.

What Is Included

1 x MXZ-SM48NLHZ Smart Multi outdoor unit
1 x MFZ-KX09NL (9,000 BTU class MFZ-KX floor-mounted)
2 x MFZ-KX12NL (12,000 BTU class MFZ-KX floor-mounted)
1 x MFZ-KX15NL (15,000 BTU class MFZ-KX floor-mounted)
1 x PAC-LMA50BC 5-port branch box

Performance

Non-ducted system ratings for the MXZ-SM48NLHZ: up to 23 SEER2, 13.1 EER2 and 11.5 HSPF2, with rated capacities of 48,000 BTU/h cooling and 54,000 BTU/h heating. Connected indoor capacity for this combination totals 48,000 BTU/h class (9K + 12K + 12K + 15K). Heating operation is rated down to -13 F outdoor temperature with Hyper-Heat performance. Final efficiency depends on the exact AHRI-matched combination.

Comfort and Noise

Each zone has its own indoor unit and controller, so occupied rooms can be conditioned independently. The INVERTER-driven compressor modulates capacity to hold set points closely and reduce on/off cycling.

Smart Features

Wi-Fi control through the Mitsubishi Electric Comfort app is available with the optional Wi-Fi interface kit. Each indoor unit supports Mitsubishi Electric wireless or wired controllers.

Use Case Fit

Floor-mounted indoor units fit under windows or where wall space is limited. Confirm room loads, line set lengths, branch box location and electrical requirements before ordering.

Value and Reliability

Bundling the outdoor unit, matched indoor units and branch boxes in one product simplifies ordering. Warranty: 7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase

Key Features

Quad-zone Smart Multi system: 9K + 12K + 12K + 15K
Non-ducted rating up to 23 SEER2 / 11.5 HSPF2
Branch box(es) included: PAC-LMA50BC
R-454B refrigerant
Single mount style throughout: Floor Mount

White Paper

Extra Information

Find your comfort-ready size with confidence

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Quick sizing snapshot

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Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

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Home type

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Shared walls and insulation levels change the load—pick what matches your structure.

System type

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Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

Mitsubishi Electric

Weight:

485.00 LBS

Prop 65 Warning:

Yes

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is 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.

Cooling Capacity (BTU):

48,000

Capacity (Tons):

Zones:

Mount Type:

Floor Mount

System Type:

Heat Pump

SEER2:

20+ SEER2

EER2:

13+ EER2

HSPF2:

10+ HSPF2

Cold Climate:

Yes

Minimum Heating Temp (°F):

-13

Refrigerant Type:

R-454B

Voltage (delete):

208/230V

Electrical Phase:

1-Phase

Voltage / Phase:

208/230V 1-Phase

Sound Level Outdoor (dB):

Indoor Unit Combination:

9K + 12K + 12K + 15K

Wi-Fi Control:

Optional Kit

Product Line:

MXZ Smart Multi Hyper-Heat

Compressor Stages:

Variable Speed

DOE Regional Compliance:

Nationwide

Branch Boxes Included:

1 x PAC-LMA50BC

AHRI Rating Basis:

Non-Ducted system rating (submittal)

Outdoor Unit MXZ-SM48NLHZ - Nominal Capacity (Tons):

Outdoor Unit MXZ-SM48NLHZ - Cooling Capacity (BTU/h):

48,000

Outdoor Unit MXZ-SM48NLHZ - Heating Capacity (BTU/h):

54,000

Outdoor Unit MXZ-SM48NLHZ - Refrigerant:

R-454B

Outdoor Unit MXZ-SM48NLHZ - Voltage/Phase/Hz:

208-230 V / 1 Ph / 60 Hz

Outdoor Unit MXZ-SM48NLHZ - Minimum Circuit Ampacity (MCA):

45 A

Outdoor Unit MXZ-SM48NLHZ - Maximum Overcurrent Protection (MOP):

80 A

Outdoor Unit MXZ-SM48NLHZ - Compressor Type:

Inverter Scroll

Outdoor Unit MXZ-SM48NLHZ - Minimum Heating Temp (F):

-13 F

Outdoor Unit MXZ-SM48NLHZ - Sound Level (dB):

Outdoor Unit MXZ-SM48NLHZ - Liquid Line Size:

3/8 in

Outdoor Unit MXZ-SM48NLHZ - Suction Line Size:

5/8 in

Outdoor Unit MXZ-SM48NLHZ - Unit Dimensions (W x D x H):

41.34 in x 13 in x 52.69 in

Outdoor Unit MXZ-SM48NLHZ - Unit Weight:

283 lb

Outdoor Unit MXZ-SM48NLHZ - Shipping Weight:

309 lb

Indoor Unit MFZ-KX09NL - Type:

Floor Mounted

Indoor Unit MFZ-KX09NL - Nominal Capacity (Tons):

0.75

Indoor Unit MFZ-KX09NL - Cooling Capacity (BTU/h):

9,000

Indoor Unit MFZ-KX09NL - Heating Capacity (BTU/h):

11,000

Indoor Unit MFZ-KX09NL - Refrigerant:

R-454B

Indoor Unit MFZ-KX09NL - Airflow (CFM):

cool 138-275; heat 138-343

Indoor Unit MFZ-KX09NL - Sound Level (dB):

cool 21-38; heat 21-41

Indoor Unit MFZ-KX09NL - Liquid Line Size:

1/4 in

Indoor Unit MFZ-KX09NL - Suction Line Size:

3/8 in

Indoor Unit MFZ-KX09NL - Unit Dimensions (W x D x H):

29.5 in x 8.4375 in x 23.625 in

Indoor Unit MFZ-KX09NL - Unit Weight:

33 lb

Indoor Unit MFZ-KX09NL - Shipping Weight:

40 lb

Indoor Unit MFZ-KX12NL - Type:

Floor Mounted

Indoor Unit MFZ-KX12NL - Nominal Capacity (Tons):

Indoor Unit MFZ-KX12NL - Cooling Capacity (BTU/h):

12,000

Indoor Unit MFZ-KX12NL - Heating Capacity (BTU/h):

13,000

Indoor Unit MFZ-KX12NL - Refrigerant:

R-454B

Indoor Unit MFZ-KX12NL - Airflow (CFM):

cool 138-275; heat 138-343

Indoor Unit MFZ-KX12NL - Sound Level (dB):

cool 21-38; heat 21-41

Indoor Unit MFZ-KX12NL - Liquid Line Size:

1/4 in

Indoor Unit MFZ-KX12NL - Suction Line Size:

3/8 in

Indoor Unit MFZ-KX12NL - Unit Dimensions (W x D x H):

29.5 in x 8.4375 in x 23.625 in

Indoor Unit MFZ-KX12NL - Unit Weight:

33 lb

Indoor Unit MFZ-KX12NL - Shipping Weight:

40 lb

Indoor Unit MFZ-KX15NL - Type:

Floor Mounted

Indoor Unit MFZ-KX15NL - Nominal Capacity (Tons):

1.25

Indoor Unit MFZ-KX15NL - Cooling Capacity (BTU/h):

15,000

Indoor Unit MFZ-KX15NL - Heating Capacity (BTU/h):

18,000

Indoor Unit MFZ-KX15NL - Refrigerant:

R-454B

Indoor Unit MFZ-KX15NL - Airflow (CFM):

cool 198-374

Indoor Unit MFZ-KX15NL - Sound Level (dB):

cool 28-43

Indoor Unit MFZ-KX15NL - Liquid Line Size:

1/4 in

Indoor Unit MFZ-KX15NL - Suction Line Size:

1/2 in

Indoor Unit MFZ-KX15NL - Unit Dimensions (W x D x H):

29.5 in x 8.4375 in x 23.625 in

Indoor Unit MFZ-KX15NL - Unit Weight:

33 lb

Indoor Unit MFZ-KX15NL - Shipping Weight:

40 lb

Branch Box PAC-LMA50BC - Ports:

Branch Box PAC-LMA50BC - Indoor Liquid Connections:

1/4 in (Ports A-E)

Branch Box PAC-LMA50BC - Indoor Gas Connections:

3/8 in (Ports A-D); 1/2 in (Port E)

Branch Box PAC-LMA50BC - Outdoor Liquid Connection:

3/8 in

Branch Box PAC-LMA50BC - Outdoor Gas Connection:

5/8 in

Branch Box PAC-LMA50BC - Voltage/Phase/Hz:

208-230 V / 1 Ph / 60 Hz

Branch Box PAC-LMA50BC - Unit Dimensions (W x D x H):

17.75 in x 11.06 in x 6.75 in

Branch Box PAC-LMA50BC - Unit Weight:

16 lb

Branch Box PAC-LMA50BC - Power Input:

0.003 kW

Branch Box PAC-LMA50BC - Running Current:

0.15 A

Indoor Unit MFZ-KX09NL - Quantity:

Indoor Unit MFZ-KX12NL - Quantity:

Indoor Unit MFZ-KX15NL - Quantity:

Branch Box PAC-LMA50BC - Quantity:

Warranty Information

7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.

2023 Energy Standards

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Mitsubishi Electric 48,000 BTU 23 SEER2 Hyper-Heat Smart Multi Quad Zone Floor Mounted Ductless Mini Split Heat Pump System 9+12+12+15 with Branch Box R454B | MXZ-SM48NLHZ-MFZ-KX09NL-MFZ-KX12NL-MFZ-KX12NL-MFZ-KX15NL-PAC-LMA50BC