Dishwasher manufacturer Winterhalter has launched a new rack passthrough warewasher, the PT ClimatePlus, which is said to cut energy consumption by over 50%, while improving working conditions and delivering good wash results.

Inside the new machine is an efficient heat pump, called the ClimatePlus, designed to use both the energy from the steam in the machine’s interior and the energy from warm air in the kitchen to heat the incoming wash and rinse water. When washing with the PT ClimatePlus, the temperature and water content of the exhaust air from the machine should be reduced, resulting in improved working conditions in the wash area.

Independent trials carried out by equipment testing specialist TÜV SÜD in Germany showed that, when washing with the PT ClimatePlus, the heat given off into the room was reduced by 75% compared to a standard PT model. Also, in many cases there is no need to fit an exhaust air hood for the machine, which would additionally save costs.

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During the wash cycle the warewasher generates steam. The heat pump uses it to warm the tank and the cold inlet water. The exhaust air, which is cooled to around 18°C and contains no moisture, is released back into the kitchen. When the hood is opened at the end of the wash cycle, practically no steam escapes.

The heat pump continually sucks air from the wash area, both when washing and when the warewasher is idle, until it has warmed the tank water to 65°C. When the air in the kitchen reaches 25°C the heat pump sends the PT’s exhaust air, cooled to around 18°C, back into the room. In this way, the PT ClimatePlus is designed to create a more comfortable environment, even when the machine isn’t washing.

Every PT Series model is equipped with a waste water heat exchanger as standard, which is said to reduce energy consumption by 10%. PT EnergyPlus models also have an exhaust air heat exchanger and reduce energy consumption by a claimed 20%.

Tags : dishwasherlaunchWarewashingwinterhalter
Clare Nicholls

The author Clare Nicholls

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