Rittal - For the first time; Modular Refrigeration Machines

 

 

Rittal is now offering a new series of recooling systems called "TopTherm Chiller". They are the first system ever to be constructed in a fully modular way. This world's first is based on the TS 8 enclosure system and integrates water and cooling modules, as well as an electrical module for the controls. With just two sizes, seven different cooling outputs are available, from 8 to 40 kW. This way, the most common output ranges can be covered, significantly -reducing delivery times and flexibly realising customer requirements.

 

 

Recooling systems have proven themselves well in providing high performance climate control that meets the demands of industry. They are used both as free-standing units for cooling processes and machines, as well as in combination with air-water heat exchangers in enclosure climate control. Similarly, cooling systems are used in the IT sector for rack-based server cooling. The drawback so far has been that the range of recooling systems have not been standardised. Instead, they have mainly been manufactured to individual customer orders. With its new TopTherm Chillers, Rittal has now developed a unique worldwide, standardised solution based on the TS 8 enclosure. Though the innovation only comprises a few modular units, it is still flexible enough to cover common output ranges from 8 to 40 kW.



Water and cooling modules, as well as an electrical module with the controls are integrated in the TS 8 enclosure. The water module consists of a tank and a pump. The cooling module comprises a compressor, condenser and evaporator. Both modules are prefabricated separately from one another. Thanks to this modular solution, Rittal has been able to standardise more than before and has significantly reduced the once large number of pumps and compressors. Lower costs and shorter delivery times are the benefits for the customers. Spare parts management is easier because the service can respond much faster due to the reduced number of standardised components being used by the end customer. Instead of the usual lengthy on-site investigations into which component is defective, it is now sufficient to merely to replace the module.


The recooling system's enclosure is available in two basic widths (800 and 1,200 mm) and it has a height of 2,000 mm and a depth of 800 mm. The cooling modules in the narrow enclosures are available in power ranges of 8, 12 and 16 kW, while those in the wider housings are available as 20 and 25 kW units. If the enclosures are combined, 32 or 40 kW are possible (2x16 = 32 kW and 2x20 = 40 kW). Thus seven different cooling capacities are available with just two different sizes.

 

If the user needs a larger pump with the same output, a correspondingly larger one with 4.5 bar is used instead of the one with 2.5 bar. In addition to that, an optional cooling module with a hot gas bypass control for an accuracy of ± 0.5 °C is available if a more precise temperature is also needed. This also applies if a control -voltage of 24 V DC is required. Other series components are the flow rate monitors and the dual-frequency version with 400 V / 50 Hz and 460 V / 60 Hz, which represents an important prerequisite for worldwide use.