Logistic centre - HVIS- Troiber
This high-rack warehouse of a deep-freeze logistics company placed special demands on Roller's industrial direct expansion evaporators. Due to the narrow and long aisles, 14 single-fan evaporators type HVIST with extremely high air throw were applied. Airflow streamers support the fans with high external pressure. Furthermore, the air coolers are equipped with 10 mm fin spacing, insulated drip tray, defrost hood, defrost damper and a special frame heater.
| Application | Distribution centre / Logistic centre |
|---|---|
| Address | Passau / Germany |
| Fluid | HFC |
| Product | 14 x HVIST 1081 |
Fruit cooling - DHN- Coop Swiss
Correct refrigeration is crucial to how fresh the fruit and vegetables are when they reach the retailer's counters. An equal distribution of product-specific temperatures while maintaining the correct humidity levels are just as important as protection against other environmental influences. For this cold store for organic fruit and vegetables in Switzerland, our customer Biagginifrigoriferi used double-sided discharge CO2 ceiling aircoolers of type DHN.
| Application | Fruit and vegetable cooling |
|---|---|
| Address | Bern - Swiss |
| Fluid | CO2 |
| Product | DHN |
Potato warehouse - FHV - Berchtold
Potatoes that are stored for a longer period of time start to sprout. This process can be delayed by chemical treatment (powdering) or cooling. Since powdering has been banned in Switzerland, the direct marketer decided to cool his stored potatoes. Berchthold Kältetechnik installed a refrigeration system with two Roller FHV evaporators paired with a Silensis outdoor unit in the approx. 50 sqm hall.
| Application | Fruit/vegetable cooling |
|---|---|
| Address | Swiss |
| Fluid | R449A |
| Product | FHV |
Order-picking warehouse - DHN/KVN - Klüvers
Order picking warehouses are particularly susceptible to the effects of air from outdoors which enters when the doors are open. To ensure that the cold chain is not interrupted high-performance air coolers which can cope with the resulting moisture are required. An effective defrosting system is particularly important here. The company Klüvers relies on DHN air coolers from Roller with their reliable and efficient defrosting system.
| Application | Order-picking warehouse |
|---|---|
| Address | Niendorf / Baltic sea - Germany |
| Fluid | HFC |
| Product | DHN and KVN |
Cheese dairy - HVIS - Exarchos
The cheese dairy Exarchos SA produces feta cheese, low-fat sheep milk cheese, goat cheese, Greek hard cheese and typical Greek fresh cheese using state-of-the-art production standards. For the ripening and storage of the cheeses Eleni K. Yianniodi Industrial Refrigeration in Greece used the highly efficient industrial air cooler HVIS.
A cheese reaches its specific characteristics through biochemical processes in which, as in this case, the temperature in the ripening room must be kept constant between 13°C and 16°C and the relative humidity between 80% and 90% for weeks.
| Application | Ripening room / Storage room |
|---|---|
| Address | Elassona / Greece |
| Fluid | Brine |
| Product | HVIS 482 N |
Packaged goods - HVST - Klüvers
The cooling of packaged goods in large cold rooms is often a matter of evenly applying cold to the goods at every point in the room. The air performance must be correspondingly high. Küvers uses HVST type Roller evaporators with powerful EC fans. The condensers are Roller KVNs with gold lacquer fins, which serve as corrosion protection against the salty sea air.
| Application | Packaged goods |
|---|---|
| Address | Niendorf / Deutschland |
| Fluid | HFC |
| Product | HVST / KVN |
Fruit/vegetable cooling - FHV - PJ Koleteknik
In this project, the company PJ KØLETEKNIK in Denmark is expanding an existing cold store to include a fruit and vegetable store and is relying on the performance and reliability of Roller's FHV cubic air cooler.
| Application | Fruit/vegetable cooling |
|---|---|
| Address | Fredericia / Denmark |
| Fluid | R449A |
| Product | FHV |
Apple storage - LK - Chile
Fans and consumers of Chilean apples can breathe a sigh of relief. Industrial evaporators were produced for a major customer from South America, which contribute to the preservation of the apple harvest, so that consumers worldwide can also enjoy the fruit outside of there own apple season. These direct evaporator coils provide a very high capacity during the cool-down phase of fruit storage, and later operate at reduced capacity in partial-load mode during long-term cooling in order to dissipate the transmission heat through the walls, as well as the respiration heat of the refrigerated goods. The customer's know-how consists on the one hand in designing an efficient solution for these fluctuating loads and on the other hand in creating an atmosphere so that the fruit does not become wrinkled and soft through dehumidification, but remains crisp and fresh.
| Application | Fruit-vegetable cooling - LK - Chile |
|---|---|
| Address | Chile |
| Fluid | HFC |
| Product | LK |
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Tel.: +49 (0) 7156 / 2001-30
markus.mank@walterroller.de
