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Ecodan Hot Water Heat Pump for Underfloor Heating — Residential Homes
Description

Mitsubishi Electric Ecodan Hot Water Heat Pumps are designed for comprehensive home heating solutions, with the ability to cover both hot water needs and efficient underfloor room heating through a single system. An Ecodan Hot Water Heat Pump system features an outdoor unit which connects to a choice of an indoor hot water cylinder or an indoor Hydrobox unit. 

As traditional gas and diesel central heating systems face rising operational costs, the Ecodan range presents an efficient and low emission alternative with its air-to-water heat pump technology. Boasting a Coefficient of Performance (COP) of up to 5.06*¹, indicating higher energy efficiency compared to standard heating methods. 

Using an Ecodan Hot Water Heat Pump for an underfloor heating system is particularly suitable for new-build homes, providing evenly distributed radiant heat and quiet operation. This form of radiant heating is concealed, making it a fitting choice for modern homes with open-plan layouts, high stud, and exposed ceilings where aesthetics and comfort matter.

Built-in smart energy monitoring allows for simple, tailored control

On-screen power usage information means users have the visibility and freedom to efficiently manage overall hot water power consumption. Daily and weekly timers help take advantage of off-peak tariffs and save even more on power bills.

The hot water central heating system is available with Zone Control which allows set different temperatures for different rooms or to turn it off completely.

*¹ Applicable to PUZ-WM60VAA-BS under normal heating conditions at outdoor temp: 7°CDB / 6°CWB, outlet water temp 35°C, inlet water temp 30°C as tested to BS EN14511.

Key Features
  • Available in a wide range of capacities, from 5kW to 23kW (with the option to cascade up to 6 units of the same capacity for up to 138kW)
  • Provides radiant space heating that is hidden from view
  • Fast heat up times
  • Option to integrate underfloor heating with domestic hot water in one system 
  • High efficiency with COPs up to 5.06*¹
  • Specific models with Zubadan Technology provide guaranteed heating in temperatures as low as -25°C
  • Built-in energy monitoring controls as standard
  • Low outdoor unit noise levels — ideal for medium density residential areas (operating as low as 45dBa*²)

*¹ Applicable to PUZ-WM60VAA-BS under normal heating conditions at outdoor temp: 7°CDB / 6°CWB, outlet water temp 35°C, inlet water temp 30°C as tested to BS EN14511.

Measured at 1m from the front of the outdoor unit and 1.5m from ground level. Applicable to PUZ-WM60VAA and PUZ-WM85VAA.

Scope of Use

Ecodan Hot Water Heat Pumps are a heat source for hydronic space heating such as underfloor circuits and radiators as well as domestic hot water.

Ecodan Hot Water Heat Pumps can be retrofitted to existing hydronic/water underfloor systems.

Underfloor heating is evenly distributed; radiant heating that provides the ultimate in unobtrusive comfort. Hidden from view, underfloor heating is particularly suited to modern open plan layouts with higher stud and exposed ceilings as well as bathrooms.

  • Available in a wide range of capacities, from 5kW to 23kW (with the option to cascade up to 6 units of the same capacity for up to 138kW)
  • Specific models with Zubadan Technology provide guaranteed heating in temperatures as low as -25°C
  • Low outdoor unit noise levels — ideal for medium density residential areas
Limitations on Use
  • Only used in combination with Hydronic underfloor heating (not electric wire).
  • System contains an indoor and outdoor component. Internal space is a requirement for indoor cylinder or Hydrobox. 
  • It is recommended heat load calculations are completed to ensure system has adequate capacity for the installation (for other capacity options see the Ecodan Hot Water Heat Pump range). Mitsubishi Electric has a team ready to assist with calculations and design plans.

 

Statement of Building Code Compliance

Ecodan Hot Water Heat Pumps comply with the latest requirements for electrical products sold in New Zealand. 

In-Service History

The Ecodan Hot Water Heat Pump range has been sold in New Zealand for over 10 years and has a long record of success in a variety of New Zealand climates. 

Mitsubishi Electric Hot Water Heat Pumps are installed through an extensive network of trained specialist dealers. This ensures projects are supported with a high level of product and installation quality.

The Mitsubishi Electric Product Range has been exclusively distributed by 100% locally owned and operated Black Diamond Technologies Limited for over 40 years in New Zealand.

 

Other Performance Attributes
  • High efficiency with COPs up to 5.06*¹
  • An Ecodan Heat Pump System can help reduce heating and hot water costs when compared to gas and direct electric systems.
  • Features fast heat-up times from 15°C – 55°C in one hour for a three-bedroom house, or 30 minutes to heat only half the tank (100 litres).
  • Models featuring Zubadan Inverter Technology ensure rated heating capacity is maintained even in outdoor temperatures as low as -15°C, with guaranteed heating operation at -25°C.
  • Proven track record in New Zealand and in some of the world's coldest climates, including Mount Ruapehu.
  • Low outdoor unit noise levels — ideal for medium density residential areas (operating as low as 45dBa*²)

*¹ Applicable to PUZ-WM60VAA-BS under normal heating conditions at outdoor temp: 7°CDB / 6°CWB, outlet water temp 35°C, inlet water temp 30°C as tested to BS EN1451.

Measured at 1m from the front of the outdoor unit and 1.5m from ground level. Applicable to PUZ-WM60VAA and PUZ-WM85VAA.

Warranty

Ecodan Hot Water Heat Pumps come with a full 5 year warranty as standard, subject to the following conditions:

  • The Ecodan purchase and installation is registered with Black Diamond Technologies Limited (BDT).
  • The Ecodan must be installed and commissioned by a trained BDT installer.

Please see warranty card for more information.

 

Documents
Warranty Terms & Conditions
Ecodan Hot Water Heat Pumps Overview Brochure
Ecodan R32 Range Technical Brochure
Ecodan R410A Range Technical Brochure
Ecodan Hot Water Heat Pump Showcase
Website

Mitsubishi Electric are leaders in providing energy efficient heating, cooling, ventilation and hot water heat pump solutions for both commercial buildings and residential homes.

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