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19.101 Kettles are placed on a plywood board having a thickness of approximately 20 mm.. B; E. a7 l: M7 O3 @/ ]( o* y6 o
The thermal cut out that operates during the test of 19.4 and all thermal controls that operate
6 V j* o/ w' t4 [during the test of Cause 11 are short circuited simultaneously and the kettle is operated
4 b; a m( y: u- W) aempty at 0,85 times rated power input or 1,15 times rated power input, whichever is more
& E" U# K! v3 M# \1 X" G; Cunfavourable. If the kettle incorporates more than one thermal cut-out that could operate
6 _. ]( x4 c- q2 B8 lduring the test of 19.4, they are short circuited in turn./ `: R8 Y; [. a
During the test, any flames shall be kept within the enclosure of the kettle and the supporting
; c/ Q |* k% U5 s- Y& Rsurface shall not ignite.6 W! ~, X a8 j4 ~3 s! {. Z+ i1 B
After the test, live parts shall not be accessible and the other requirements of 19.13 are not7 D9 X% l# m# X. m& b3 W0 x
applicable.! b6 w# k, g9 G3 O' P: Y& n; W& @
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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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