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 Special Report

Kärcher Academy Cleaning Tips: Hot water pressure washing without emissions

Pressure washing of hygiene-critical areas like kitchens, washrooms and saunas presents a paradox - hot water needs to be used to clean thoroughly and reduce bacte- ria, but cleaning indoors means the emis- sions produced by a pressure washer with a diesel-fired burner to produce hot water aren’t allowed. This is where the use of an electrically-heated hot water pressure washer is often the only viable option. Although in many cases an electrically-

heated machine may be the only choice, it’s important to choose carefully as they are not all the same. Because the motor and burner are both powered by electricity, en- ergy costs can look high compared to dieselmachines. It’s therefore really im- portant to consider attributes like heating- up time, the performance you need, and at what temperature you need it, and how well insulated the heating chamber is. Kärcher‘s range of electrically-heated hot

water pressure washers offer emission- free hot water cleaning with dramatically reduced energy consumption and heating- up times. The HDS-E eco!efficiency range is available in three variants - 12, 24 and 36kW - and features all the design attrib- utes of Kärcher’s HDS diesel-fuelled ma- chines such as simple, intuitive controls, highmanoeuvrability, and easy servicing. This is combined with a fully insulated, en- ergy efficient heating chamber that re-

flames are not acceptable, but usually have high electricity costs associated with them. Our primary aim with this range was to make emission-free hot water cleaning more accessible by reducing these energy costs asmuch as possible. With our HDS-E range we have certainly achieved this and raised the standard of emission-free ma- chines.” All three models are compatible with a

Because no waste water is left standing, the FRV is ideally suited for use indoors in tiled areas.Whether used indoors or out, it dramatically reduces the downtime of the area being cleaned or simply the time taken to manually clear away the water.

duces standby power consumption by 40% compared to previous electrically-heated models. The HDS-E’s heating tank is insulated by a

specially-designed boiler jacket which keeps heated water hotter for longer, and there- fore reduces power consumption and short- ens heating times to as little as fiveminutes. The 36kWmodel offers a continuous work- ing temperature of 58°C and a maximum working temperature of 80°C. Further re- finements include Kärcher’s eco!efficiency mode, which optimises power and water consumption for daily cleaning tasks. Kärcher’s product manager, Jeff Hilton,

said: “Electrically-heatedmachines are per- fect for use where emissions and naked

wide range of Kärcher accessories and de- tergents designed tomake cleaning jobs faster and more thorough, especially Kärcher’s new FRV30Me hard surface cleaner. The device attaches to a pressure washer to clean floors and walls quickly and very thoroughly, and features a unique Venturi systemthat automatically pumps cleaning water away - meaning that the ob- ject being cleaned driesmore quickly but with no extra power or water being used. Because no waste water is left standing,

the FRVis ideally suited for use indoors in tiled areas. Whether used indoors or out, it dramatically reduces the downtime of the area being cleaned or simply the time taken to manually clear away the water. And as well as reducing cleaning time, the FRV30Me consumes no extra power than the pressure washer it is attached to: it uses the power of water to create its vac- uum.

30 l C&M l DECEMBER 2013 l

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