Superior Performance Made for New Zealand Conditions * MFZ-KW25/35/42 indoor sound level on lowest fan setting in Heating Mode. New Zealand’s quietest floor consoles* RapidHeat KW Series
New Zealand's quietest floor consoles* feature a contemporary slimline design and dramatically reduced depth. RapidHeat KW Floor Consoles are the perfect solution for unobtrusive heating at floor level with the added benefit of Built-in Wi-Fi Control. Advanced sensors with Intuitive Control Logic Technology offer unparalleled low temperature heating performance in the shortest amount of time, all while maintaining maximum energy efficiency. NZ’s Quietest Floor Consoles* Starting at barely a whisper, Mitsubishi Electric RapidHeat KW Floor Consoles are New Zealand’s quietest floor console heat pumps starting from just 18dBA*. This is achieved through the use of a larger fan scroll that not only enables the unit to be quieter, but also increases its efficiency when heating your home. RapidHeat Technology Advanced sensors coupled with Intuitive Control Logic mean optimal running temperatures are reached in the shortest amount of time possible with maximum energy efficiency. Automatically activated at start-up in low temperature conditions when TwoWay Airflow is selected, warm air is blown in a downward direction first before the air is returned back into the indoor unit where it is reheated a second time. As a result, a room can now be heated up to twice as fast compared to our previous model.† Sleek, Sophisticated Design Mitsubishi Electric RapidHeat KW Floor Consoles feature a contemporary design that can be recessed into your wall to dramatically reduce the depth of the indoor unit from 215mm to 145mm – a decrease of 33%. With the addition of a removable base, it is the perfect solution offering compact, unobtrusive heating for new buildings, renovation projects and fireplace replacements. More Environmentally Friendly R32 Refrigerant With a global warming potential that is 30% lower compared to older refrigerants such as R410A, next-generation R32 refrigerant has a much lower environmental impact. Furthermore, zero ozone depleting R32 is easier to reuse and recycle. * MFZ-KW25/35/42 indoor sound level on lowest fan setting in Heating Mode. † Compared to the previous MFZ-KA Series, RapidHeat KW Series Removable base Recessable – reduces depth by 33% (70mm) 10° 0 5 10 15 20 25 RapidHeat Series vs Previous Floor Console: Time to Reach 20°C 30 35 20°C 30° RapidHeat KW25 15min Time (min) Previous Model 37min Operating at 2°C outdoor temperature 40 from 18dBA* 1
Multi Vane Flow for Even Heat Distribution The Multi Vane Flow function blows warm air in both an upward and downward direction providing fast, even and effective heating whilst also reducing draughts. This is achieved via three uniquely shaped vanes that are designed for better airflow control and also provide the freedom to be customised to your preference. Anti-Allergy Enzyme Filter In addition to a washable Air Purifying Filter, the RapidHeat KW Series features an Anti-Allergy Enzyme Filter which utilises enzyme catalysts to filter allergens and remove harmful bacteria. 7-Day Programmable Controller All RapidHeat KW Series Floor Consoles feature a built-in weekly timer, allowing you to program up to four time and temperature settings for each day of the week. You can now return to comfort without having to manually adjust the temperature. Perfect for anyone with a busy lifestyle, the 7-Day Controller is a great way to regulate your energy usage without compromising on comfort. Optional HyperCore Technology** RapidHeat KW Series Floor Consoles are available with optional HyperCore Technology. While ordinary heat pumps produce less heat below 7°C, Mitsubishi Electric HyperCore Technology continues to deliver its full rated heating capacity right down to -15°C, so you stay warm when you need it most. See page 4 for more details on our HyperCore Technology. Built-in Wi-Fi Control! Never Return to a Cold Home Again With Built-in Wi-Fi Control you can pre-heat or cool a room no matter where you are. On the way home, running late, coming home early, or even when you’re in a different country, with Wi-Fi Control you’ll always arrive home to total comfort. Wi-Fi Control is Amazon Alexa and Google Home enabled so you can take your comfort to the next level and enjoy hands-free heat pump control. AA Dimensions (WxDxH): 750 x 215 x 600mm MFZ-KW25VGK Heating Capacity: 3.4 kW | Cooling Capacity: 2.5 kW MFZ-KW35VGK Heating Capacity: 4.3 kW | Cooling Capacity: 3.5 kW MFZ-KW42VGK Heating Capacity: 5.4 kW | Cooling Capacity: 4.2 kW MFZ-KW50VGK Heating Capacity: 5.8 kW | Cooling Capacity: 5.0 kW MFZ-KW60VGK Heating Capacity: 6.5 kW | Cooling Capacity: 6.1 kW MFZ-KW50VGKHZ Heating Capacity: 5.8 kW | Cooling Capacity: 5.0 kW MFZ-KW60VGKHZ Heating Capacity: 6.5 kW | Cooling Capacity: 6.1 kW Ambient Temperature °C Ambient Temperature vs Heat Delivery Kilowatt Heat Output MFZ-KW50 HyperCore® 5.8kW Heating Floor Console Heat Pump STANDARD Inverter 5.8kW Heating Floor Console Heat Pump ** 5.0kW and 6.1kW models only. 2
Quietness on All Fan Speeds Some manufacturers are happy for their heat pumps to operate quietly only on their lowest fan setting. Our heat pumps are designed to work differently, giving you quietly superior comfort on all fan speeds. * MFZ-KW25/35/42 indoor sound level on lowest fan speed in Heating Mode. Mitsubishi Electric consistently produces heat pumps which are not only feature-rich and efficient, but also very, very quiet. We recognise that noise affects comfort, so we constantly work to ensure our heat pumps are as quiet as possible. Starting from just 18dBA*, our high wall and floor console indoor units are unrivalled for quietness – because we want you to feel the warmth, not hear it! How are Mitsubishi Electric Heat Pumps Quieter? Our quest for quietness begins at factory level. Our heat pumps are subjected to rigorous testing at our confidential sound testing facility, with sound ratings then independently certified. The Secret to Quietness Fan Design Our larger fan diameter enables the motor to run at a slower speed while maintaining the same air volume. Smaller fans have to spin faster to move more air, creating more noise as air passes over the fan tips. Coil Design The larger surface area of our coils enables the indoor unit to maintain a higher temperature. As a result, less air needs to be passed across the coil to achieve the same indoor temperature; less air means less noise. Airflow Our larger air inlet duct allows air to flow freely, reducing noise as it leaves the heat pump. Think of whistling; it is pretty hard to whistle when your mouth is open wide – the same principle applies here. Indoor Unit Our indoor unit casing has been designed to be robust, ensuring minimal noise is created when operating, i.e. no rattling or shaking. Increase in Noise Level Even a small decibel increase impacts the level of sound you hear, so noise levels of any appliance are important. Sound exposure, measured in decibels (dBA), reflects pressure on your eardrum and grows exponentially; every 10dBA increase doubles the audible sound level. 0% 1 dBA 3 dBA 6 dBA 10 dBA 40% 80% 120% 7% 23% 52% 100% from 18dBA* Noise Level Comparison 0dBA 20dBA 40dBA 60dBA 80dBA 18dBA – NZ's Quietest Indoor Sound Level* Breathing Rustling leaves Library interior Dishwasher Average street traffic Subway car interior New Zealand’s Quietest Heat Pumps* 3
9 36 81 34 53 48 128 91 63 36 65 10 74 76 72 12 This map shows just how many ground frost days there are right across the country on average during the year. In these low temperature conditions, the performance of a normal heat pump deteriorates. HyperCore Technology however, continues to provide the maximum level of energy efficient heating output. The result? Your room heats up fast and stays warm when you need it most. Mean number of days per year of ground frost according to the NIWA website. Ground frost occurs when the air at ground level is chilled below freezing point. HyperCore Compressor HyperCore Heat Pumps are fitted with a ‘heating caulking compressor’ unique to Mitsubishi Electric. This compressor moves more vapour volume for less energy input, allowing it to maintain efficiency and higher revolutions. Advanced Defrost Logic To remove the ice build up, the heat pump will go into “Defrost Mode” and during this time the heat pump will not be delivering heat into your home. HyperCore’s Defrost Logic has been fine-tuned to extend the period in between defrost periods and optimise its heating performance. Guaranteed Full Rated Heating Capacity Right Down to -15°C Did you know ordinary heat pumps start to produce less heat below 7 degrees? The reduction in heat produced by ordinary heat pumps is especially noticeable when temperature drops below zero. This is because at these low temperature conditions ordinary heat pumps can really struggle to cope. HyperCore guarantees its full rated heating capacity right down to -15 degrees! Our HyperCore Heat Pumps will not lower their heating performance even when it is snowing outside. So you can be assured that you will be kept snug throughout winter. HyperCore is also highly recommended for humid and high altitude areas. When temperatures drop below zero degrees, ice builds up on the outdoor unit of any heat pump. How the heat pump reacts to this determines how effective it will be in providing heat to your home. Advanced HyperCore technology delivers maximum effectiveness. 4
Specifications QUICK GLANCE TYPE Floor Console System SERIES RapidHeat KW Series RapidHeat KW Series HyperCore MODEL MFZ-KW25 MFZ-KW35 MFZ-KW42 MFZ-KW50 MFZ-KW60 MFZ-KW50HZ MFZ-KW60HZ REFRIGERANT R32 INDOOR UNIT MFZ-KW25VGK MFZ-KW35GK MFZ-KW42VGK MFZ-KW50VGK MFZ-KW60VGK MFZ-KW50VGK MFZ-KW60VGK OUTDOOR UNIT MUFZ-KW25VG2 MUFZ-KW35VG2 MUFZ-KW42VG2 MUFZ-KW50VG2 MUFZ-KW60VG2 MUFZ-KW50VGHZ2 MUFZ-KW60VGHZ2 COOL 2.5kW 4.38 EER 20 dBA* 3.5kW 4.02 EER 20 dBA* 4.2kW 3.78 EER 20 dBA* 5.0kW 3.78 EER 27 dBA* 6.1kW 3.52 EER 27 dBA* 5.0kW 3.78 EER 27 dBA* 6.1kW 3.52 EER 27 dBA* HEAT 3.4kW 4.35 COP 18 dBA* 4.3kW 3.77 COP 18 dBA* 5.4kW 3.77 COP 18 dBA* 5.8kW 3.79 COP 29 dBA* 6.5kW 3.45 COP 29 dBA* 5.8kW 3.79 COP 29 dBA* 6.5kW 3.45 COP 29 dBA* ZERL STAR RATINGS (NZ) Cold Area 3.5 2.5 3.5 2.0 3.0 2.0 2.5 2.0 2.5 2.0 2.5 2.0 2.5 2.0 Avge Area‡ 3.5 2.5 3.0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Hot Area‡ 4.0 3.0 3.5 3.0 3.0 3.0 3.0 3.0 2.5 3.0 3.0 3.0 2.5 3.0 COOL Capacity Rated [kW] 2.5 3.5 4.2 5.0 6.1 5.0 6.1 Min-Max [kW] 0.7 - 3.4 0.7 - 3.8 0.7 - 5.0 1.0 - 5.7 1.0 - 6.5 1.0 - 5.7 1.0 - 6.5 Total Input Rated [kW] 0.57 0.87 1.11 1.32 1.73 1.32 1.73 EER/AEER 4.38 / 4.32 4.02 / 3.98 3.78 / 3.75 3.78 / 3.76 3.52 / 3.50 3.78 / 3.76 3.52 / 3.50 Indoor Sound Level Quiet [dBA] 20 20 20 27 27 27 27 Low-SHi2 [dBA] 26-32-38-44 26-32-38-44 28-36-43-51 31-35-39-44 35-39-46-53 31-35-39-44 35-39-46-53 Running Current (Rated) [A] 3.0 4.2 5.1 5.8 7.7 5.8 7.7 Air Volume In (SHi1) [L/s] 172 172 228 177 250 177 250 HEAT Capacity Rated [kW] 3.4 4.3 5.4 5.8 6.5 5.8 6.5 Min-Max [kW] 0.23 - 4.6 0.23 - 6.0 0.23 - 6.7 1.2 - 8.2 1.2 - 8.8 1.2 - 8.4 1.2 - 9.0 @-15°C [kW] - - - - - 5.8 6.5 Total Input Rated [kW] 0.78 1.14 1.43 1.53 1.88 1.53 1.88 COP / ACOP 4.35 / 4.31 3.77 / 3.74 3.77 / 3.75 3.79 / 3.77 3.45 / 3.44 3.79 / 3.77 3.45 / 3.44 Indoor Sound Level Quiet [dBA] 18 18 18 29 29 29 29 Low-SHi2 [dBA] 25-31-38-44 25-31-38-44 27-36-44-51 35-40-45-50 35-41-47-51 35-40-45-50 35-41-47-51 Running Current (Rated) [A] 3.8 5.3 6.4 6.8 8.3 6.8 8.3 Air Volume In (SHi1) [L/s] 173 173 235 233 243 233 243 Controller Standard 7-Day Programmable Controller Optional Wired 7-Day Timer Optional: PAR Controller (Interface Required) Wi-Fi Built-In Power Supply (Powered From Outdoor Unit) 230V / Single Phase / 50 Hz Maximum Current [A] 9.9 9.9 10.1 15.3 15.4 15.3 15.4 Indoor Dimensions (WxDxH) [mm] 750 x 215 x 600 Weight [kg] 15 Outdoor Dimensions (WxDxH) [mm] 800 x 285 x 550 840 x 330 x 880 Weight [kg] 35 54 Sound Level - SPL3/Power (Cooling-Heating) [dBA] 48-46 / 61-59 48-47 / 61-60 48-47 / 62-61 53-56 / 66-69 53-56 / 66-69 53-56 / 66-69 53-56 / 66-69 Piping Diameter (Liquid/Gas) [mm] 6.35 / 9.52 6.35 / 9.52 6.35 / 9.52 6.35 / 12.7 6.35 / 12.7 6.35 / 12.7 6.35 / 12.7 Max. Length/Height† [m] 20 / 12 20 / 12 20 / 12 30 / 15 30 / 15 30 / 15 30 / 15 Chargeless Piping Length [m] 7 7 7 7 7 7 7 Operation Range Outdoor Cooling [˚C] -10 /+46 -10 /+46 -10 /+46 -10 /+46 -10 /+46 -10 /+46 -10 /+46 Heating [˚C] -15 /+24 -15 /+24 -15 /+24 -15 /+24 -15 /+24 -25 /+24 -25 /+24 Indoor Unit Colour White ZERL = Zoned Energy Rating Label EER = Energy Efficiency Ratio COP = Coefficient of Performance AEER = Annual Energy Efficiency Ratio ACOP = Annual Coefficient of Performance SPL = Sound Pressure Level ¹ SHi = Super High ² Low–SHi = Low–Medium–High–Super High ³ SPL measured under rated operating frequency * Indoor Sound Levels rated at lowest fan speed. † Maximum length is inclusive of height differential i.e. (20/12) means the pipe can be 12m high and 8m across for a total length of 20m. ‡ Avge/Hot are Australia only. Rating Conditions (AS / NZS 3823). Cooling: Indoor: 27°C DB, 19°C WB. Outdoor: 35°C DB. Heating: Indoor: 20°C DB Outdoor: 7°C DB, 6°C WB. PUBLISHED FEB 2025 For more information please visit our website or call our Customer Service Team. www.mitsubishi-electric.co.nz | 0800 784 382
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