Mitsubishi MFZ-KX18NL & SUZ-AA18NL 18,000 BTU 17.2 SEER2 Floor-Mounted Heat Pump System - R454B

Mitsubishi MFZ-KX18NL & SUZ-AA18NL: 18,000 BTU Floor-Mounted Heat Pump System

The Mitsubishi MFZ-KX18NL & SUZ-AA18NL is a high-efficiency 18,000 BTU floor-mounted heat pump system designed for residential or medium-sized commercial spaces. Featuring an INVERTER-driven twin rotary compressor, it provides precise temperature regulation and significant energy savings. The MFZ-KX18NL indoor unit offers versatile floor or recessed wall mounting, while the SUZ-AA18NL outdoor unit ensures robust performance with Blue Fin anti-corrosion coating and advanced defrost technology.

Ideal for single-zone applications, this system delivers quiet operation, customizable airflow, and advanced control options, including compatibility with Wi-Fi-enabled interfaces. It’s perfect for year-round comfort in spaces up to ~750 sq ft.

General Information

• System Type : Floor-Mounted Indoor Unit with Heat Pump Outdoor Unit

• Model Numbers : Indoor – MFZ-KX18NL / Outdoor – SUZ-AA18NL

• Capacity : 18,000 BTU Cooling / 20,000 BTU Heating

• Room Size : Ideal for up to ~750 sq ft

• Operating Mode : Heating & Cooling

• Energy Star Certified : Not specified

• Refrigerant : R454B (3 lbs)

Key Features

• INVERTER-Driven Twin Rotary Compressor
  Delivers precise capacity control for consistent temperatures and reduced energy consumption.

• Flexible Installation
  Mounts on the floor or recessed into a wall, suitable for various room configurations.

• Quiet Operation
  Outdoor unit sound pressure levels at 64 dB(A) (cooling) and 65 dB(A) (heating), ensuring minimal noise disturbance.

• Blue Fin Anti-Corrosion Coating
  Protects the outdoor unit’s heat exchanger from corrosion, ideal for coastal or harsh environments.

• Reverse Cycle Defrost
  Ensures reliable heating performance in cold climates by efficiently managing frost buildup.

• Advanced Airflow Control
  Multi-flow vane technology optimizes airflow for faster heating and consistent comfort.

• Nano Platinum Filter
  Reduces certain nonliving particles and deodorizes air for improved indoor air quality.

• Econo Cool Mode
  Adjusts airflow and temperature settings for energy savings without sacrificing comfort.

• Powerful Mode
  Temporarily boosts performance to quickly achieve desired temperatures.

• Advanced Control Options
  Compatible with Wi-Fi interfaces, hand-held remote (included), wired/wireless controllers, and third-party systems.

• Hot-Start Technology
  Prevents cold drafts by delaying fan operation until the heat exchanger is warm.

• High-Performance Grooved Piping
  Enhances heat exchange efficiency for superior performance.

Specifications

• Cooling Capacity : 18,000 BTU

• Heating Capacity : 20,000 BTU

• Voltage : 208/230V, 1-Phase, 60Hz

• Airflow Rate : Cooling – 2,193 CFM / Heating – 1,849 CFM

• Piping : Gas – 1/2 in. / Liquid – 1/4 in.

• Maximum Piping Length : 100 ft

• Maximum Height Difference : 50 ft

• MCA : 25 A

• MOCP : 42 A

• Fan Motor Output : 60 W

• Sound Pressure Level : Cooling – 64 dB(A) / Heating – 65 dB(A)

• Unit Dimensions (Outdoor) : 33-1/16 x 13 x 24-5/8 in.

• Unit Weight (Outdoor) : 115 lbs

• Operating Temperature Range : Cooling – 115°F to 14°F / Heating – 75°F to -4°F

Included Components

• Indoor Unit : MFZ-KX18NL

• Outdoor Unit : SUZ-AA18NL

• Accessories : Hand-held Remote Controller

Optional Accessories

• Indoor Unit :

  • Wi-Fi Interface (PAC-WF010-E)

  • Wired Remote Controller (PAR-40MAAU)

  • Air Cleaning Filter (MAC-1415FT-E)

  • Base Heater (MAC-450SC-E)

• Outdoor Unit :

  • Base Heater (MAC-650BH-U, MAC-642BH-U1)

  • Single Fan Stand (QSMS1201M, QSMS2401M)

  • Condenser Wall Bracket (QSWB2000M-1, QSWBSS)

  • Drain Socket (MAC-851DS)

  • Air Outlet Guide (MAC-886SG-E)

Ideal For:

Homeowners and businesses seeking a reliable, energy-efficient floor-mounted heat pump system for single-zone comfort with advanced controls, durable construction, and quiet operation in medium-sized spaces.