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Quiet, convenient cooling

MSY-GW Series Cooling Only air conditioner

Tranquil & efficient airflow for larger spaces

Expertly designed for modern living, the MSY-GW Series offers whisper-soft, efficient operation that’s perfect for both larger and smaller spaces. In ‘Quiet’ operation mode, the MSY-GW Series enables you to enjoy peace and tranquillity in your home or working space. For larger rooms (Models 50-80), the wide and long airflow controls allow the wall mounted unit to distribute air uniformly across the space, preventing uneven temperatures.

Cooling only air conditioning for tropical North Australia

Upgrade your air quality

Thanks to advanced air conditioning technology, you can breathe clean, purified air while also reducing the impact you have on the environment when cooling single rooms. Using the Nano Platinum Deodorising Filter, the MSY-GW air conditioning unit actively diminishes airborne bacteria and enhances air quality. Those particularly prone to allergies may wish to add the optional Electrostatic Anti-Allergy Enzyme Filter to their unit, reducing the presence of allergens for an even more hygienic breathing experience.

Wi-Fi Control for smart air conditioner automation

Convenient control for modern living

Using the convenience of Wi-Fi control to connect to your air conditioning unit remotely, users can enjoy optimal comfort and energy efficiency with the simple press of a button. By connecting your smartphone or tablet, you’ll be able to cool your room down even as you’re on your way home. Plus, compatibility with Amazon Alexa and Google Assistant enables voice-controlled operations, enhancing convenience even more.

Optional Wi-Fi adapter required per unit. Requires an internet connection and the App downloaded on your smartphone or tablet with the latest operating system available.

To use Amazon Alexa to control your air conditioner you will need an Amazon Alexa Echo device.

To use Google Assistant to control your air conditioner you will need a Google Home Smart speaker.

Cooling only

Cooling only

The cooling-only wall-mounted split air conditioner series availability is limited to Northern Australia (Northern Western Australia, Northern Territory and Northern Queensland).

Quiet operation_v3

Quiet operation

A ‘Quiet Mode’ setting has been added to the fan speed settings, ensuring super quiet operation down to 19dB*1. Perfect for the bedroom; it’s so quiet you’ll check to see if it’s on. *1 Models 25/35 only

Nano Platinum Filter

Nano Platinum Filter

The Nano Platinum Deodorising Filter reduces airborne bacteria while improving air quality. The optional Electro Static Anti-Allergy Enzyme Filter assists in the reduction of common allergens. [Testing Standard JIS L1902]

Wide & Long Airflow

Wide & Long Airflow

Wide and long airflow modes allow the airflow direction to be adjusted. It is especially beneficial for large spaces, helping to ensure that the air is well circulated and reaches every corner of the room. This can be activated at the touch of a button on your remote controller. Models 50-80 only.

R32 refrigerant

R32 refrigerant

R32 enables increased energy efficiency compared to R410A, with just one third of the global warming potential, the risk of environmental harm is greatly reduced.

I-Save Mode

I-Save Mode

The “i-save” Mode is a simplified setting function that recalls the preferred (preset) temperature at the press of a button on the remote controller. The function ensures the most suitable air conditioning settings are used contributes to reduced power consumption.



Anti-corrosion treatment has been applied to the heat exchanger of the outdoor units. This coating prevents corrosion of the aluminium fins caused by salt in the air especially in coastal areas. Corrosion of the heat exchanger will affect the efficiency and performance of the AC.

Plasma Quad Connect air purifying filter_MAC-100FT-E

Plasma Quad Connect air purifying filter

Optional secondary air purifying filter that connects to your air conditioner. Plasma Quad technology significantly improves indoor air quality by inhibiting six key indoor pollutants; Influenza virus, bacteria, PM2.5, allergens, mould and dust. Plasma Quad Connect helps improve indoor air quality, which is not only good for a healthier environment but can provide peace of mind and reassurance for the home, school or office. Optional part: MAC-100FT-E.

Demand Response Capable_v2

Demand Response Capable

Demand Response mode is activated in response to signals sent from the power distributor at times when it is necessary to reduce peak demand.

Wi-Fi Control*1

Wi-Fi Control*1

Unlock the door to smarter heating and cooling systems, for total home comfort. This innovative technology connects your Mitsubishi Electric air conditioner to your smartphone, tablet or online account, giving you the freedom to fully control each unit on-the-go via an internet connection from anywhere in the world.

*1 Optional Wi-Fi adapter required per unit. Requires an internet connection and the App downloaded on your smartphone or tablet with the latest operating system available.

*2 To use Amazon Alexa to control your air conditioner you will need an Amazon Alexa Echo device.

*3 To use Google Assistant to control your air conditioner you will need a Google Home Smart speaker.

Other Features

  • R32 refrigerant
  • i-save Mode
  • Bluefin anti-corrosion treatment
  • Plasma Quad Connect air purifying filter (Optional)
  • Demand Response Capable
Refrigerant R32 R32 R32 R32 R32 R32 R32
Cooling Capacity [Rated] kW 2.5 3.5 4.2 4.8 6.0 7.1 8.0
ZERL Star Rating Hot 4.5 4.5 3.5 4.0 4.0 3.5 3.5
Average 3.5 3.5 3.0 3.5 3.5 3.5 3.0
Cold 3.5 4.0 3.0 3.5 4.0 3.5 3.5
Sound Pressure Level In [Quiet-Lo-Mid-Hi-SHi*1] dB(A) 19-24-31-38-45 19-24-31-38-45 26-29-35-40-46 28-33-38-44-49 29-37-41-45-50 30-37-41-45-51 30-37-41-45-51
Out [PWL] dB(A) 46(59) 50(62) 51(64) 52(64) 55(67) 57(69) 57(69)
Indoor unit Dimensions [HxWxD] mm 290 x 799 x 232 305 x 923 x 250 305 x 923 x 250 325 x 1,100 x 250
Weight kg 9.1 12.3 12.3 14.8
Outdoor unit Dimensions [HxWxD] mm 550 x 800 x 285 714 x 800 x 285 880 x 840 x 330
Weight kg 29.5 32.5 33.0 33.0 39.0 48.5 48.5


*1 SHi = Super High





Cooling Only Series

MSY-GW and MSY-GY90VFD-A1 cooling only series wall mounted split systems.




MSY-GW Series Cooling Only flyer.


User Manual

MSY-GW Series

MSY-GW Series Cooling Only user manual for 25-80 models.


Installation Manual


MSY-GW Series Cooling Only installation manual for 25-42 models.



MSY-GN Series Cooling Only

This Product Has Been Discontinued

Wall Mounted Air Conditioners

MSY-GN Series Cooling Only


  • Capacity Range: 2.5 – 8.0 kW
  • Cooling only
  • Quiet operation
  • Nano Platinum Filter
  • Wide & Long Airflow
  • Wi-Fi Control*

This product is superceded by MSY-GW Series.

Read More
MSZ-EF Series

Wall Mounted Air Conditioners

MSZ-EF Series


  • Capacity Range: 2.5 – 5.0 kW
  • Slim-line in design with 3 colour options
  • 7-day programmable controller
  • Quiet 21dB Noise Level in Quiet Mode (EF25/35)
  • Wi-Fi Control*
  • Nano Platinum Filter
  • R32 refrigerant
Read More
MSZ-AP Series

Wall Mounted Air Conditioners

MSZ-AP Series


  • Capacity Range: 2.5 kW – 7.8 kW
  • Quiet Operation
  • Heating and cooling
  • Dual Barrier Coating
  • Night Mode
  • Weekly Timer
  • Vertical and Horizontal Vanes
  • Wi-Fi Control* (Optional)
Read More


Specifically designed for the unique climate conditions of Northern Australia, the cooling only wall mounted MSY-GW Series air conditioner is exclusive to North Western Australia, the Northern Territory and Northern Queensland. To prevent corrosion, Bluefin treatment is applied to the heat exchanger of the outdoor units, protecting the aluminium fins of these specific air conditioning models. This treatment is crucial for coastal regions where salt concentration in the air is known to be higher. Without this protection, corrosion can compromise the efficiency and performance of your air conditioner, making Bluefin treatment essential for your unit. These features mean the MSY-GW air conditioner series is particularly suited to and tailored for the unique Northern Australia environment.

The Plasma Quad Connect air purifying filter is a cutting-edge solution designed to enhance indoor air quality. Utilising the advanced Plasma Quad technology, this filter is specifically engineered to combat six primary indoor pollutants that can adversely affect our health and wellbeing. When air passes through this filter, the technology actively seeks out and neutralises pollutants such as the Influenza virus, bacteria, PM2.5 particles, allergens, mould, and dust. By doing so, it not only purifies the air but also helps in creating a safer and more comfortable environment, especially beneficial for allergy sensitive individuals or those with respiratory concerns.

Given its effectiveness, the Plasma Quad Connect filter is an ideal addition for spaces where pristine air quality is paramount, be it homes, educational institutions, or workplaces. For those interested in integrating this technology into their air conditioning systems, the add-on filter is available as an optional part, ensuring compatibility and ease of installation.

The I-Save Mode featured in this air conditioner is an innovative and user-friendly function designed to enhance your comfort and energy efficiency simultaneously. Instead of constantly adjusting settings to find your ideal temperature, this mode remembers your preferred setting. With just a single press of a button on the remote controller, it instantly recalls and sets your favourite temperature, eliminating the need for frequent adjustments. This not only ensures that your living space remains consistently comfortable but also means that the system operates more efficiently, giving you yet another tool to assist you in reducing your energy usage and potentially saving on utility costs. It’s a perfect blend of convenience and eco-friendliness, tailored for the modern user.