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19.101 Kettles are placed on a plywood board having a thickness of approximately 20 mm.
/ M h$ e2 Z' h0 w; c# DThe thermal cut out that operates during the test of 19.4 and all thermal controls that operate
' S7 r. c% D5 q( ]- l1 }# ^9 lduring the test of Cause 11 are short circuited simultaneously and the kettle is operated
' k- E5 F$ J& U; D- @2 Q3 a6 Gempty at 0,85 times rated power input or 1,15 times rated power input, whichever is more T: G/ t6 m. L8 n3 |. [
unfavourable. If the kettle incorporates more than one thermal cut-out that could operate/ R, x9 b4 l- B+ L2 c
during the test of 19.4, they are short circuited in turn.
L6 z( @4 q! \' ]4 `: C5 _During the test, any flames shall be kept within the enclosure of the kettle and the supporting- S) |4 b& j$ `
surface shall not ignite., W$ P8 A0 @" a3 O
After the test, live parts shall not be accessible and the other requirements of 19.13 are not
8 O! g e: O' W* f; F% xapplicable.8 V0 L5 h( ?, b8 ?1 o
" k- u6 g) E, e3 `
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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