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19.101 Kettles are placed on a plywood board having a thickness of approximately 20 mm.& ]' E3 v; `" A
The thermal cut out that operates during the test of 19.4 and all thermal controls that operate
' L2 j9 |/ L0 p5 W5 Z8 eduring the test of Cause 11 are short circuited simultaneously and the kettle is operated# @! Q+ C Y6 ?4 V. O6 O/ [4 r4 Q
empty at 0,85 times rated power input or 1,15 times rated power input, whichever is more/ @9 k9 f4 z# U$ l; c
unfavourable. If the kettle incorporates more than one thermal cut-out that could operate
6 z* R. c, H" A3 Wduring the test of 19.4, they are short circuited in turn.
2 x/ d# A p" I) Q' G- g, Z1 NDuring the test, any flames shall be kept within the enclosure of the kettle and the supporting7 I" [. O1 r8 y7 M( C, e( a5 s
surface shall not ignite.1 a" }7 a9 R/ a, b( S, f+ H7 R2 Y
After the test, live parts shall not be accessible and the other requirements of 19.13 are not
c' ]& w7 n2 r0 b, |applicable.
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11章动作的温控,无论是1个动作还是2个动作,全短路。但19.4动作的温控器如果有1个以上,则轮流短路。如果19.4只有一个保护器动作的话,那么短路后器具就直接着火了,所以要装多一个! |
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