Mitsubishi Electric Ecodan heat pumps

Mitsubishi Electric Ecodan

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Mitsubishi Electric Ecodan Heat Pumps


As a market leader in commercial and domestic renewable solutions, Mitsubishi Electric is a pioneer in the development of renewable heat pump technology.

Heat pump technology has been used around the world for decades and Mitsubishi Electric have developed this technology to produce Ecodan - one of the most advanced, efficient heating systems available today. The Ecodan heat pump range is suitable for small to large applications, be that domestic or commercial.

At the heart of Ecodan is a modern, inverter-driven heat pump compressor which converts free energy from the air and upgrades it to higher temperatures suitable for heating. The inverter control regulates the system so that heat output modulates to match the exact capacity required, meaning the boiler will only consume the exact energy needed at any given time and thus increase efficiency further.


Mitsubishi Electric split outdoor units:


Power inverter (4 - 16 kW)

The Power Inverter outdoor units provide a robust partner technology for the indoor units. Constructed for hard and continuous operation down to -20 °C, they reliably take over the heat supply of complete housing units. The compact units are easy to mount and make unobtrusive installation possible e.g. on the facade of a building.


The performance adjustment is achieved via the most modern inverter regulated technology in order to optimally adjust the system to current heating requirements. Seven performance sizes from 4,1 to 19,2 kW at A2/W35 cover a wide range of applications.
Due to their performance, the outdoor units with Power Inverter-technology are especially suited for use in bivalent systems. In combination with a second heat generator the system reaches the highest levels of efficiency. The gas boiler or oil boiler for example, take over peak operation according to regulation setting. In many applications the preparation of hot drinking water in addition to provision of room warmth is important. With an outside temperature down to -3 °C, in heating operation they supply flow temperatures of 60 °C without reheating. Even at -15 °C there is still hot water at 55 °C available.


Zubadan (8 - 14 kW)

The innovative Zubadan inverter-technology uses the entire potential of the newest generation of high efficiency air/water heat pumps. The world-wide patented system develops its strengths where conventional air/water heat pumps buckle under stress, namely at very low outside temperatures. With the unique Zubadan-technology, the Ecodan heat pumps deliver their full heating output even at temperatures down to -15 °C. They make heating possible down to outside temperatures of -28 °C, usually without additional electric heating.


The Zubadan-technology delivers a positive energy balance and improved operation reliability thanks to the so-called “Flash-Injection”. This patented refrigerant-medium-injection makes possible through a separate heat exchanger dependent on the outside temperature, production of a variable mixture of liquid and gaseous refrigerants; directly injecting them into the compressor. In this way the operating frequency of the compressor can be increased; in that the “Flash-Injection” assures stable condensation temperatures and at the same time protects the compressor from overheating.


Ecodan split indoor units:


Ecodan Split Cylinder Module

With the Ecodan Cylinder Module the highly efficient outdoor units find their suitable partners inside the house. The compact floor-mounted appliance which can easily be combined with several Power or Zubadan Inverters is equipped with an integrated 200 litre drinking water storage tank (net) and an efficient multifunctional regulator. Thus, the Ecodan storage module controlled for example by outdoor conditions, can regulate the flow temperatures of two heating circuits.


Ecodan Split Hydrobox Module

The hydrobox offers a highly adaptable heating solution for retrofit or new build. Designed to integrate with the Ecodan split air source heat pump range and a third party cylinder. The splits hydrobox provides hydraulic components with advanced simplified graphical user interface and self-learning controls. 


Mitsubishi Electric Ecodan Heat Pump Boiler CAHV (45 kW):


Specifically designed for large applications, the Ecodan CAHV air source heat pump monobloc system can operate singularly, or form part of a multiple unit system. The CAHV also comes equipped with a wide range of controller features as standard.

A multiple unit system has the ability to cascade available units on and off to meet the load from a building. As an example of this modulation, a 16 unit system allows 0.5kW increments of capacity, from 18kW all the way up to 688kW. This level of modulation is unprecedented within the heating industry and with cascade and rotation built in as standard; the Ecodan CAHV system is perfectly suited to a wide range of commercial applications.


Key Features Ecodan CAHV:

  • Multiple unit cascade control of up to 688kW capacity
  • Split refrigerant circuits within each CAHV provide 50% back up
  • Ability to rotate units based on accumulated run hours
  • Provides from 25ºC up to 70°C water flow temperatures without boost heaters
  • Low maintenance, hermetically-sealed monobloc design
  • Low on-site refrigerant volume
  • HIC (Zubadan) technology delivers 43kW at -3ºC with minimal drop off down to -20ºC


Mr. Slim+ Hybrid Heat Pump (7.1 kW):


Two systems merge into one

The name of the new Mr. Slim+ system says it all: the product combines the energy-efficient features of air-to-water heat pumps with all the advantages of an air conditioning system, thereby offering users major benefits day after day. Whether there’s a need for air conditioning and simultaneous hot water recovery in the most diverse sectors. Mr. Slim+ offers the option of meeting this need directly with an outdoor unit.


The new Mr. Slim+ system combines the benefits of an air-to-water heat pump with the advantages of an air conditioning system. The unique feature of the system is the simultaneous connection of air conditioning units and a heat pump indoor module (hydrobox or cylinder unit) to an outdoor unit. The system is also ultra-efficient. Heat is removed from the air conditioned room and thus serves as an optimum heat source for the economical provision of hot water in summer. Heating/hot water mode is also particularly effective in the transitional seasons, as heat recovery can be used within a broad range of temperatures as low as outside temperatures of 7 °C.






Heat pumps - heat from nature


Heat pumps are the first choice for those who want to lower their heating bills and generate heat in a more environmentally responsible way. After all, the environment provides the heat pump with an unlimited and free supply of the energy it needs. This fully-fledged heating system needs very little power for its drives and pumps in order to make this energy available. A heat pump makes you independent of fossil fuels, and in addition, actively contributes towards reducing CO2 emissions and protecting the climate.


Simple principle, great result


A heat pump works in a similar way to a fridge – simply the other way round.

In a fridge, heat is transferred from the inside to the outside. With a heat pump, this happens exactly the other way round. Heat from the air or the ground is transferred into the living space via the heating system. Vapour from a refrigerant is compressed to increase the temperature, to make it high enough for central heating and DHW heating.


Renewable energy from ambient heat


Heat pumps use ambient heat from the water, ground or air. This ambient heat is stored solar energy or geothermal heat from below ground. Ambient heat is therefore a renewable energy, of which we have an inexhaustible supply.
Unlike fossil fuels, renewable energies have the big advantage of being able to be regenerated. In addition, ambient heat is a decentralised energy supply, which is available at all times and which can be used without the need for complex supply systems or energy monostructures.


Use with various energy sources


The best heat source for each individual case depends on local conditions and the actual heat demand. Heat pumps can use various energy sources:

  • Air – practically unlimited availability; lowest investment costs
  • Ground – via geothermal collector, geothermal probe or ice store; very efficient
  • Water – extremely efficient; observe water quality and quantity
  • Waste heat – subject to availability, volume and temperature level of the waste heat


Advantages of heat pumps


60 to 75% lower heating costs

Heat pumps obtain 3/4 of required energy free of any charge, from the environment in which you live. Soil, groundwater, and outside air store huge amounts of thermal energy which can be transformed into heating energy using heat pumps. The savings are considerable compared to other conventional heating systems. The amount of power consumed by heat pumps is notably lower than the amount of heat they generate.


Smart future investment

If you decide to install a heat pump today, you should be aware you are making an investment for the future. Its true value lies in many measurable and nonmeasurable aspects. In addition to the safety of investment, flexibility, low heating costs, comfort, and many economic and ecological benefits, a heat pump is actually an investment in your future and the future of your children.


New building, refurbishment, or heating system replacement

A heat pump is an ideal solution for heating and cooling of newly constructed or refurbished buildings, or when replacing an existing heating system. Since it operates on the principles of low-temperature heating, it is suitable for both underfloor heating and heating with wall-mounted radiators, as well as a combination of both. Heat pumps are also appropriate for rebuilt or refurbished buildings with radiator heating since new high temperature heat pumps can reach water temperatures of 80°C.


Warm in the winter, cool in the summer

Unique heat pump technology allows your heating system to heat your home during the winter and cool it during the summer without additional work or investment. The heat pump system can be used for cooling regardless of whether you use fan coils or underfloor heating.

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