product catalogue 1

Blowing off/drying with nitrogenWith this method, the connection linesand system components are individuallyblown down with nitrogen. It has to beensured that the maximal pressure duringblowing does not exceed 12 bar.Hella air-conditioning system nitrogenset 150For blowing off and drying with nitrogenSet contents: Nitrogen pressure reducer Tapered connector adapter foruniversal use HosePart number: 8PS 351 310-111Advantages and Disadvantages of the different methods:Flushing mediumRefrigerantFlushing liquidFlushing methodSystem components are flushed using the air-conditioningservicing device and an additional flushing unit with filter andadapters (both available separately).System components are flushed using an additional flushingunit and a chemical solution. Flushing liquid residue needs tobe removed with nitrogen and the system needs to be driedwith nitrogen.Advantages+ No expenses for the flushing liquid+ No expenses for the disposal of the flushing liquid+ Removes loose dirt particles and oil+ The method has been released by various carmanufacturers.+ Removes loose and adhering particles and oil+ Very good cleaning resultDisadvantages– Less than optimal cleaning effect in the case of adheringsoil– Filter insert of the flushing unit has to be replaced at regularintervals– Air-conditioning servicing tool is not available for other tasksduring use– Expenses for the flushing liquid– Expenses for disposal of the flushing liquidAir-conditioning productsAir-conditioningservice unitHella ACTT 200Hella flushingdeviceCondenserFor more technical information and products log onto www.hella.com15