DSH 610 Construction
http://decisions.iecee.org/icons/ecblank.gif DSH 610
Construction
22.21 and 22.32
60335-1(ed.4)
Question:
A oil filled room heater of Class II has a heating element in class II construction. This construction consists of two layers of independent insulation of magnesium oxide which will be used as basic and supplementary insulation. According to note 2 of clause 22.21 magnesium oxide will be not considered as hygroscopic material. The magnesium oxide is tightly sintered and in line with the tests of sub-clause 22.32 . The end of the heating element (side of the connectors) is protected by a sealing against moisture.
Is this construction acceptable because in line with sub-clauses. 22.21 and 22.32?
Decision:
Yes, the construction proposed is acceptable because in line with the standard.
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