Mitsubishi Electric 42,000 BTU 15 SEER2 Quad Zone Low Static Ducted Mini Split Heat Pump System 9+9+9+9 R454B Refrigerant | MXZ-5D42NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL

Mitsubishi Electric

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Complete system: Mitsubishi Electric 42,000 BTU 15 SEER2 Quad Zone Low Static Ducted Mini Split Heat Pump System 9+9+9+9 R454B Refrigerant - complete system with included remote
Condition:
New
Width:
37.40 (in)
Height:
31.30 (in)
Depth:
13.00 (in)

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Overview

Mitsubishi Electric 42,000 BTU 15 SEER2 Quad Zone Low Static Ducted Mini Split Heat Pump System 9+9+9+9 R454B Refrigerant | MXZ-5D42NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL

Complete system: Mitsubishi Electric 42,000 BTU 15 SEER2 Quad Zone Low Static Ducted Mini Split Heat Pump System 9+9+9+9 R454B Refrigerant - complete system with included remote
Product details

Description

Overview

This Mitsubishi Electric multi-zone heat pump system pairs the MXZ-5D42NL outdoor unit with 4 SEZ-AD low-static ducted indoor units for quad-zone heating and cooling. Every indoor unit in this system 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-5D42NL multi-zone outdoor unit (5-port, Inverter Twin Rotary compressor)
  • 4 x SEZ-AD09NL (9,000 BTU class SEZ-AD low-static ducted)

Performance

Ducted system ratings for the MXZ-5D42NL: up to 15.6 SEER2, 9 EER2 and 8 HSPF2, with rated capacities of 36,400 BTU/h cooling and 41,000 BTU/h heating. Connected indoor capacity for this combination totals 36,000 BTU/h class (9K + 9K + 9K + 9K). Heating operation is rated down to 6 F outdoor temperature. 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 while unused rooms stay idle. The INVERTER-driven compressor modulates capacity to hold set points closely and reduce on/off cycling. Outdoor sound level is rated at 58 dB(A).

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 for local zone control.

Use Case Fit

Concealed ducted indoor units sit in an attic, crawlspace or soffit and deliver air through short duct runs, keeping equipment out of sight. Confirm room loads, line set lengths and electrical requirements before ordering.

Value and Reliability

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

Key Features

  • Quad-zone system: 9K + 9K + 9K + 9K
  • Ducted rating up to 15.6 SEER2 / 8 HSPF2
  • R-454B refrigerant
  • Heating down to 6 F
  • Single mount style throughout: Ducted

Replaces Discontinued Models

Replacement matches are based on unit type, capacity and features. Verify line set, electrical supply and controls before ordering. See the discontinued Mitsubishi model cross-reference for details and original manuals.

White Paper

Comfort for the people who live there

The right equipment keeps the rooms you live in steady and quiet, whether it's dinner in the kitchen or a weekend project in the garage.

Specifications

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Brand:
Mitsubishi Electric
Width:
37.40 (in)
Height:
31.30 (in)
Depth:
13.00 (in)
Weight:
426.00 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):
42,000
Capacity (Tons):
3.5
Zones:
4
Mount Type:
Ducted
System Type:
Heat Pump
SEER2:
15 SEER2
EER2:
9 EER2
HSPF2:
8 HSPF2
Cold Climate:
No
Minimum Heating Temp (°F):
6
Refrigerant Type:
R-454B
Electrical Phase:
1-Phase
Voltage / Phase:
208/230V 1-Phase
Sound Level Outdoor (dB):
58
Indoor Unit Combination:
9K + 9K + 9K + 9K
Wi-Fi Control:
Optional Kit
Product Line:
MXZ Multi-Zone
AHRI Rating Basis:
Ducted system rating (submittal)
Outdoor Unit MXZ-5D42NL - Nominal Capacity (Tons):
3.5
Outdoor Unit MXZ-5D42NL - Cooling Capacity (BTU/h):
40,500
Outdoor Unit MXZ-5D42NL - Heating Capacity (BTU/h):
45,000
Outdoor Unit MXZ-5D42NL - Maximum Indoor Units (Zones):
5
Outdoor Unit MXZ-5D42NL - Refrigerant:
R-454B
Outdoor Unit MXZ-5D42NL - Voltage/Phase/Hz:
208-230 V / 1 Ph / 60 Hz
Outdoor Unit MXZ-5D42NL - Minimum Circuit Ampacity (MCA):
39.2 A
Outdoor Unit MXZ-5D42NL - Maximum Overcurrent Protection (MOP):
67 A
Outdoor Unit MXZ-5D42NL - Compressor Type:
Inverter Twin Rotary
Outdoor Unit MXZ-5D42NL - Minimum Heating Temp (F):
5 F
Outdoor Unit MXZ-5D42NL - Sound Level (dB):
58
Outdoor Unit MXZ-5D42NL - Liquid Line Size:
1/4 in
Outdoor Unit MXZ-5D42NL - Suction Line Size:
1/2 in (port A); 3/8 in (ports B-E)
Outdoor Unit MXZ-5D42NL - Unit Dimensions (W x D x H):
37.41 in x 13 in x 31.34 in
Outdoor Unit MXZ-5D42NL - Unit Weight:
152 lb
Outdoor Unit MXZ-5D42NL - Shipping Weight:
178 lb
Indoor Unit SEZ-AD09NL - Type:
Ducted (Low Static)
Indoor Unit SEZ-AD09NL - Nominal Capacity (Tons):
0.75
Indoor Unit SEZ-AD09NL - Cooling Capacity (BTU/h):
8,100
Indoor Unit SEZ-AD09NL - Heating Capacity (BTU/h):
10,900
Indoor Unit SEZ-AD09NL - Refrigerant:
R-454B
Indoor Unit SEZ-AD09NL - Airflow (CFM):
194-247-317
Indoor Unit SEZ-AD09NL - Sound Level (dB):
23-26-30
Indoor Unit SEZ-AD09NL - External Static Pressure:
0.02/0.06/0.14/0.20 in.WG
Indoor Unit SEZ-AD09NL - Liquid Line Size:
1/4 in
Indoor Unit SEZ-AD09NL - Suction Line Size:
3/8 in
Indoor Unit SEZ-AD09NL - Unit Dimensions (W x D x H):
31.125 in x 27.5625 in x 7.875 in
Indoor Unit SEZ-AD09NL - Unit Weight:
42 lb
Indoor Unit SEZ-AD09NL - Shipping Weight:
62 lb
Indoor Unit SEZ-AD09NL - Quantity:
4
Replaces Models:
MXZ-5B42NA, MXZ-5C42NA, MXZ-5C42NA2, MXZ-5C42NA3, MXZ-5C42NA4, MXZ-5C42NAHZ, MXZ-5C42NAHZ2-U1, SEZ-KD09NA, SEZ-KD09NA4, SEZ-KD09NA4R1
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

Documents & warranty
Warranty
7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase
Videos2 videos
MXZ Multi-Zone Hyper-Heat Unit in :90
Frequently asked questions
How much cooling does the provide?
It is rated for 42,000 BTU of cooling.
What size is the ?
The is a 3.5 ton unit.
How many zones does the support?
It supports 4 zone(s).
What is the SEER2 rating of the ?
The is rated at 15 SEER2 SEER2.
What is the HSPF2 heating efficiency of the ?
It is rated at 8 HSPF2 HSPF2.
How cold can it be outside for the to keep heating?
It is rated to heat down to 6 °F outdoors.
What refrigerant does the use?
It uses R-454B refrigerant.
What power supply does the need?
It requires 208/230V 1-Phase power.
How loud is the outdoors?
The rated outdoor sound level is 58 dB.
Can the be controlled over Wi-Fi?
Optional Kit.
Which models does the replace?
MXZ-5B42NA, MXZ-5C42NA, MXZ-5C42NA2, MXZ-5C42NA3, MXZ-5C42NA4, MXZ-5C42NAHZ, MXZ-5C42NAHZ2-U1, SEZ-KD09NA, SEZ-KD09NA4, SEZ-KD09NA4R1
What warranty comes with the MXZ-5D42NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL?
7 Years Compressor & 5 Years Parts | Registration Required within 90 Days of Purchase
Who makes the MXZ-5D42NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL?
The MXZ-5D42NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL-SEZ-AD09NL is made by Mitsubishi Electric.

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