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The Mitsubishi DXK18ZSA-WF1-SET is a 5.0kW reverse-cycle split system designed for medium to large rooms, delivering 5.0kW cooling and 5.8kW heating capacity. The WF1 model features built-in Wi-Fi and supports voice control through Amazon Alexa and Google Assistant via the Smart M-Air app. The DXK18ZSA-WF1-SET is approved for residential and commercial installation and complies with AS/NZS standards for Australian air conditioning systems.
Larger living spaces, bedrooms, and open-plan areas often need an AC unit that balances cooling efficiency with heating performance across seasons. The DXK18ZSA-WF1-SET uses R32 refrigerant at 1.05kg pre-charge (rated for 15-metre pipe runs) and includes PM2.5 NOVAShield nano filters plus Allergen Clear filtration to capture dust, pollen, and fine particles. The quiet DC motor operates at low noise levels indoors, making it suitable for bedrooms and living areas where sound matters. LED display brightness is adjustable for night use.
Licensed installers value this model for its combination of smart connectivity and straightforward installation. The WF1 variant brings remote app control and voice integration to the Avanti range without adding complexity to the physical installation. The demand response ready feature (AS4755 compliant) positions the DXK18ZSA-WF1-SET for integration with emerging demand-response schemes and smart-home networks. The 5-year domestic parts and labour warranty provides cover from invoice date.
Do not install the DXK18ZSA-WF1-SET in outdoor, damp, or corrosive environments. Exposed wet areas such as bathrooms (unless ducted drainage is installed) and salt-spray coastal zones risk accelerated corrosion of the coil and electronics. The unit is designed for protected interior climates.
(DXK18ZSA-WF1-SET)
Yes. The DXK18ZSA-WF1-SET is a reverse-cycle unit that delivers 5.0kW cooling capacity in summer and 5.8kW heating capacity in winter, providing year-round temperature control in a single indoor-outdoor pair.
The unit features built-in Wi-Fi and connects directly to your home network via the Smart M-Air app (iOS and Android). You can also control it using Amazon Alexa or Google Assistant voice commands through compatible smart speakers sold separately.
The DXK18ZSA-WF1-SET is pre-charged with 1.05kg of R32 refrigerant for pipe runs up to 15 metres. The outdoor unit can be positioned up to 20 metres vertically (higher or lower) than the indoor unit, provided the refrigerant circuit remains within the 15-metre run specification.
The DXK18ZSA-WF1-SET includes two filters: a PM2.5 NOVAShield nano filter for fine particles and an Allergen Clear filter for pollen and dust. Both are washable and reusable, so you can clean them regularly rather than buying replacements.
Installation must be carried out by a licensed electrician or air conditioning specialist. The DXK18ZSA-WF1-SET requires refrigerant circuit work, electrical termination to a dedicated circuit, and proper grounding, all of which fall outside DIY scope in Australia.
You can purchase the Mitsubishi Heavy Industries DXK18ZSA-WF1-SET online from Sparky Direct. Delivery is available to select postcodes — just check the product page to see if yours is covered. If your area isn't covered for delivery, click-and-collect from Caboolture, Queensland is available.
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Warranty starts from Invoice Date
Domestic Use: 5 Year Parts & Labour Warranty
Warranty Method: Manufacturers
| Specification | Details |
|---|---|
| Model Number | DXK18ZSA-WF1-SET |
| Cooling / Heating Capacity | 5.0 kW / 6.0 kW |
| Energy Label (GEMS 2019) – Hot Zone | Cooling: 3.0 stars Heating: 2.5 stars |
| Energy Label – Average Zone | Cooling: 2.5 stars Heating: 2.5 stars |
| Energy Label – Cold Zone | Cooling: 2.5 stars Heating: 2.0 stars |
| Power Source | 1 Phase, 220–240 V, 50 Hz |
| Indoor Unit Dimensions (HxWxD) | 305 × 920 × 220 mm |
| Outdoor Unit Dimensions (HxWxD) | 640 × 850 (+65) × 290 mm |
| Indoor / Outdoor Unit Weight | Indoor: 11.5 kg Outdoor: 43 kg |
| Refrigerant | R32 (1.05 kg) – Precharged to 15 m |
| Max Vertical Height (O.U. vs I.U.) | Max 20 m (higher or lower) |
| Wi-Fi & Voice Control | Built-in Wi-Fi, Google Assistant & Alexa compatible |
| Air Filtration | Allergen Clear Filter + NOVAShield™ Nano Filter (PM2.5) |
| Smart App | Smart M-AIR (iOS & Android) |
| LED Brightness Control | Yes – Adjustable on indoor unit |
| Demand Response Ready | Yes (AS4755 compliant) |
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Mitsubishi Heavy Industries |
| SKU | DXK18ZSA-WF1-SET |
| Model # | DXK18ZSA-WF1-SET |
| Package Weight | 0.010kg |
| TYPE | VALUE |
|---|---|
| Type | Air Conditioner |
| Brand | Mitsubishi Electric |
| Height (mm) | 290 |
| Width (mm) | 870 |
| Depth (mm) | 230 |
| Power Source | 1 Phase, 220-240 V, 50 Hz |
| Series | Avanti® |
| Cooling Capacity (Rated) | 5.0 |
| Heating Capacity (Rated) | 5.8 |
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