The Ecodan QUHZ is Mitsubishi Electric’s latest hot water heat pump system and is the ideal solution for both new build and existing homes. The Ecodan QUHZ has been specifically designed to operate with exceptionally high efficiency in the production of hot water. Mitsubishi Electric Unique Heat Exchange Technology Greater Flexibility and Enhanced Efficiency Using a thermal store allows greater flexibility and enhanced efficiency when applying Ecodan QUHZ to different types of homes. Varying the setpoint of the thermal store, and how much of the store is heated, ensures the correct amount of hot water is produced for the home. See the example on the right. The Thermal Store Explained • The Ecodan QUHZ provides hot water to the home using a dedicated pre-plumbed 200 litre thermal store. • The thermal store is specifically designed to enable efficient production of hot water for a household of up to 4 people and uses advanced control logic to provide optimum performance at all times. • The Ecodan QUHZ Outdoor unit is connected to the thermal store by a sealed primary circuit. • Mains cold water is heated instantaneously as it passes through a plate heat exchanger and the hot water produced is sent directly to the outlets ready to use. • As domestic hot water is not stored in the system there is no risk of legionella associated with traditional hot water tanks. Greater Flexibility and Enhanced Efficiency Example Four Person Household One Bedroom Apartment 4
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