Ecodan Central Heating Systems

5-14 kW of whole home next level heating technology to help reduce emissions and provide the comfort we want in our buildings with total home heating solution using radiators or underfloor heating configuration. Ecodan is designed for New Zealand conditions maintaining high performance during those winter months where heating is in high demand.

Packaged Hot Water Heat Pumps

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Mitsubishi Electric’s Ecodan complete packaged and pre-plumbed systems are designed to integrate Ecodan air source heat pumps with an optimised cylinder, ensuring best performance and reducing installation time and costs with only water connections necessary. No refrigerant piping into the home as the water is heated at the outdoor unit. There are 5 models available ranging 5kW, 8.5kW, 11.2kW and a 14kW. COP up to 3.50 at 2°C ambient temperature. BS coastal protection models available.

Split System Hot Water Heat Pumps

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Mitsubishi Electric’s Ecodan split systems are ideal for fast heat up times, utilising the very best of heat pump technology refrigerant piping is run to the cylinder/hydrobox where it heats the water. There are 5 models available ranging 4.5kW, 7.5kW, 8.0kW and a 12kW. COP up to 3.55 at 2°C ambient temperature. BS coastal protection models available.

Hydrobox Option

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The hydrobox is primarily for space heating in the form of underfloor or radiators or a mixture. They have small footprint and sized similarly to combi boilers they are a highly adaptable solution for retrofit and new builds. Whether connecting the packaged or split unit only 2 pipes are connected to supply the unit just like the cylinder. Hydraulic components included with FTC5 control, with the split type model the heat exchanger is built into the hydrobox. SD card comissioning and energy monitoring included. For systems where a 3rd party tank is to be installed, this can be easily catered for by adding a 3-way valve to the system and connecting to the FTC5 controller. In all the Hydrobox is a versatile, compact, neat looking unit for all your heating needs.

Note: Rated capacity is at conditions A2W35. (according to EN14511 )

Features

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Ecodan is a highly energy efficient hot water heat pump system utilising a cylinder tank or hydrobox. It is the next level of efficient heating technology to provide the comfort we want in our homes and potable hot water, at the same time reducing carbon emissions and home energy costs. With proven Mitsubishi Electric technology, Ecodan is designed for New Zealand conditions.

Ecodan is flexible in design as it can work stand alone or in conjunction with other systems. Mitsubishi Electric cylinders are pre-plumbed and wired, with FTC5 control, it is easy to design, install, commission and maintain due to its pre-packaged features. It is built for the modern home, it has SD card commissioning and logging and the ability to program settings and energy monitor. BS coating available to protect against corrosive effects of the sea which is ideal for many coastal towns and cities in New Zealand. For areas of hard water prone to scale build up, the Ecodan has scale-top technology which actively decreases scale build up.

It can replace any existing heating system. Its footprint is such that it can fit into any home. Ecodan has leading industry low noise on both the outdoor and indoor units.

Ecodan is also a viable solution for small commercial applications such as offices and retail shops providing heating for the store/office and hot water for staff. With short return on investment this is the perfect economic solution to heating and hot water demand.

Domestic Hot Water and Heating

Consumer NZ research shows that a well specified and installed heat pump water heater would reduce your hot water bill by two-thirds over standard electric water heating.

Lower costs can provide home owners reassurance that future energy bills will be manageable.

Efficient operation means low energy bills and quicker return on investment where owners install a new heat pump system.


Energy use in domestic households – data from NZGBC.

Save up to 35% on your heating and hot water bill

An Ecodan heat pump system could save up to 35% on your heating and hot water bill per year when compared to gas and direct electric systems. Based on an average New Zealand household, this could be as much as $700.

Comparison to:

  • Traditional gas central heating system, energy savings up to 30%
  • Traditional direct electric heater, energy savings up to 40%

Return on investment could be within 5 years compared to gas heating and even quicker returns if hot water is utilised too.

Fast heat up times!

Ecodan works more effectively to heat your home compared to conventional heating systems by utilising inverter compressor technology in the heat pump to provide the right amount of heat when you need it.

  • Fast heat up times from 15°C – 55°C in 1 hour for a 3 bedroom house
  • Only 30 minutes to re-heat half the tank (100 litres)
  • Even faster heat up times with ZUBADAN technology

ZUBADAN New Generation provides powerful heating in cold regions where most heat pumps cannot perform very well. ZUBADAN’s rated heating capacity is maintained even in outdoor temperatures as low as –15°C. That means ZUBADAN can be trusted to provide comfortable heating during severe winter months. Furthermore even faster tank heater times are achieved in low ambient temperatures compared to standard models.

*cost savings based on estimated average annual hot water cost for New Zealand households, data sources from www.powerswitch.org.nz/trends and NZGBC. Actual savings may vary in line with gas and electricity price fluctuations and seasonal conditions.

The secret behind our impressive heat pump efficiency is capturing the heat in the air.

Heat pump systems collect atmospheric heat from the air which is used as a heat source to provide highly efficient heating. For example, a heat pump with a coefficient of performance (COP) of 5.0 uses 1kW of electricity to produce 5kW of useful heat energy.

Air-to-water Heat Pump Principle (when heating)

Refrigerant and heat circulation < Case of COP 5.0 >

Reliable performance in low-temperature outdoor conditions

ZUBADAN New Generation provides powerful heating in cold regions where most heat pumps cannot perform very well. ZUBADAN’s rated heat-ing capacity is maintained even in outdoor tem-peratures as low as –15°C. That means ZUBADAN can be trusted to provide comfortable heating during severe winter months.

Benefits ZUBADAN New Generation

Example: PUHZ-SHW140YH

Mitsubishi Electric’s Flash Injection Technology
The key to high heating performance at low outdoor temperatures

Flash Injection Circuit

The Flash Injection Circuit is an original technology. A heat exchange process at point A (heat interchanger) transforms liquid refrigerant into a two-phase, gas-liquid state and then compresses the gas-liquid refrigerant at point B (injection compressor). This circuit secures a sufficient flow rate of refrigerant for heating when outdoor temperatures are very low. Thanks to improving the heat interchanger and introducing a new injection compressor, the Flash Injection Circuit is now more powerful.

The secret behind our external plate heat exchanger system.

Thanks to the unique plate heat exchanger and scale trap technology, a more efficient performance is achieved. In conventional systems, there is a risk of calcium scale building up on the heat-exchange plate if it is exposed to tap water directly. Therefore, it is difficult to use plate-based heat exchangers to heat tap water. To resolve this problem, ecodan is equipped with a “scale trap” that catches homogeneous calcium nuclei in the tap water before it has a chance to grow into large scales, thereby inhibiting build-up in the external heat exchanger. ecodan can use a plate heat exchanger to heat tap water, resulting in much higher domestic hot water performance.

Notice: In the case of special localised conditions such as very hard tap water, please consult a specialist before installation.

Mitsubishi Electric’s Auto Adaptation function automatically tracks changes in the actual room temperature and outdoor temperature and adjusts the flow temperature accordingly.

Aiming to realise further comfort and energy savings, Mitsubishi Electric is proud to introduce a revolutionary new controller. Our advanced Auto Adaptation function measures the room temperature and outdoor temperature, and then calculates the required heating capacity for the room. Simply stated, the flow temperature is automatically controlled according to the required heating capacity, while optimal room temperature is maintained at all times, ensuring the appropriate heating capacity and preventing energy from being wasted. Further-more, by estimating future changes in room temperature, the system works to prevent unnecessary increases and decreases in the flow temperature.

Accordingly, Auto Adaptation maximises both comfort and energy savings without the need for complicated settings.

Auto Adaptation – room temperature control

  1. Installation site: Southern Sweden
  2. Detached house with underfloor heating
  3. Data in February 2011

Future room temperature estimation



Smart user-friendly controller with stylish design.

Function settings

  • Energy monitoring
  • Two-zone control (cooling and heating)
  • Two separate schedules
  • Summer time setting
  • Built-in room temperature sensors
  • Hybrid control (boiler interlock)
  • Floor drying mode
  • Weekly timer
  • Holiday mode
  • Legionella prevention
  • Error codes
Central Heating