Mitsubishi provides a herbal remedy
Energy-efficient cooling and ventilation for the new factory of Scotherbs are delivered by a Mitsubishi Electric VRF systems and Lossnay heat-recovery ventilation.
The heat-recovery capabilities of a Mitsubishi Electric City Multi VRF system and associated Lossnay heat-recovery ventilation units are being used to good effect by herb specialist Scotherbs. The company has moved into a new state-of-the-art facility at Longforgan near Dundee, which enables Scotherbs to increase production rates of an extensive range of fresh, washed and prepared culinary herbs — while housing all processes in one building with improved energy efficiency. The new building has a large temperature-controlled area and a high care area with filtered air to F9 En779 standard. Both areas take advantage of the heat-recovery capabilities of the City Multi VRF system. Fiona Lamotte, managing director of Scotherbs, which is one of Scotland’s leading growers of fresh culinary herbs, says, ‘The biggest advantage of City Multi is that it can provide cooling down to a preset point, which meets with our production requirements to ensure our products are kept in peak condition during the manufacturing process. ‘Adding in heat recovery means that we are able to offset energy use from different parts of the building to provide the ideal environment for our staff and our products in the most sustainable way possible.’ Carlisle Refrigeration installed ducted indoor units served by a single outdoor unit and four Lossnay heat-recovery units. Five direct-expansion refrigeration systems were installed for the chilled storage rooms. Carlisle Refrigeration also installed ventilation to serve office areas, the full electrical installation for the site and a wireless temperature monitoring system. Campbell Wark of Carlisle Refrigeration says, ‘The system really benefits from the inclusion of the Lossnay unit, which is incredibly efficient at extracting heating or cooling from outgoing air. This reduces the overall energy needed by the building’s systems, which is important when you need to maintain such strict temperature control.’
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