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[HOUS] DSH 614 Abnormal operation

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发表于 2012-9-8 18:02 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
广东安规检测
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DSH 614. C" e. s2 x0 K/ F% S  D1 Q/ B

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Abnormal operation
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19.101
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60335-2-69(ed.3)/ t8 J/ ~) _$ G! }7 |& W

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In sub clause 19 of EN 60335-2-69 the overflow test of sub cl 15.2 has to be made again with the shut-off device made inoperative. This should be done for a period of 5 min, after the container is filled completely.1 I. ]( b2 I, c* P! K
In the past the same test was mentioned in the EN 60335-2-2. Because there were a lot of problems with the temperature rise of the windings of the motor, sometimes the motor was burnt, a proposal was made to reduce the time to 30 s. (see EN 60335-2-2:2003 sub cl 19.101 household water suction appliances). It was accepted because the meaning of the test was to look if the overflow of the water, should give a hazard situation.1 Y0 Q$ g9 w& Z. J2 j) D, S
Because the same situation is present in commercial water suction cleaners, is it possible to apply the same during test stated in 19.101 of EN 60335-2-2 (30 sec) for commercial water suction cleaners?
0 z( E% J0 E8 ~Rationale: see question
, y' O  G( l0 w; n2 LProposal (if any):" F* z  e2 G. U+ E
The standard is clear. The test should be performed for the time stated in the current standard (5 min) avoiding the burning of the motor.
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