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lds08080808 发表于 2016-9-26 09:35  ) j+ J8 q1 g1 K; P
老大，是UL998，平时做美标产品少，欧标做完非正常不会重加水去评估，对美标标准理解也不透彻，所以上来请 ...
65 Abnormal Operation Test/ v" x% N) F: ?' d$ g. x" |
65.1 General9 P" Y5 r. ]' O0 ` p2 s: }% ?! L
65.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be. X. u9 C# J' f$ F: G: R2 p
encountered in actual service, the product shall not cause a risk of fire, electric shock, or injury to persons
! A" L$ E" [ @4 \3 @1 ?; Fwhen operated under such abnormal conditions.
7 x# ^" V+ b7 a$ `" H$ `( o, \65.1.2 The conditions resulting from abnormal operation of a product shall be confined by the enclosure, H7 E1 O# k( X3 a
when the product is subjected to tests such as blocked armature in a relay, transformer burnout, stalled
n) B4 h3 C2 J8 X; zrotor, operation without liquids, or other conditions that may be encountered in service.& } T- K6 y: ?9 p' z
65.1.3 An electrode-type product shall be operated as described in Clause 65.1.4 until ultimate results are4 f8 L4 T* g- a$ d! b# w
obtained. The results shall not be acceptable if a nonintegral branch-circuit protector trips during the test.2 ~- F- d; h( W4 F2 l
After the test, the product shall comply with the Starting Test, Clause 55 and the Input Test, Clause 56.
6 y7 Y6 q& ?; g9 N3 ~' p/ ^ E S! yException: A product need not be subjected to this test if the water-level-limiting device operates for2 r* g6 G! \: H
100,000 cycles with no mechanical or electrical malfunction or significant pitting or burning of the contacts.
. p* Y! g" c" B4 g65.1.4 The product shall be mounted as intended and connected to a source of rated voltage. The drain5 w# V3 R; O! P
valve shall be blocked closed, the water-inlet valve blocked open, each water-level-limiting device shall
J% a8 _8 u% y8 g" ]/ ?be bypassed, and the electrodes are to be electrically connected. In addition, the product shall be
" @; [5 n# B& k+ wmechanically and electrically isolated from any ground means. If the hardness of the water may be a
u; {5 ~7 z8 Vfactor, the test shall be performed with a solution of 0.5 g (0.018 oz) of calcium sulfate (CaSO4) per litre
$ J/ c: n) T. y3 p+ Aof distilled water. The product shall be operated until ultimate results are obtained.5 K) K# M4 y# D, u8 Q3 Y
65.1.5 A product that is permanently connected to a water supply shall be operated without water.0 U: U# y( S3 @# k
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发表于 2016-9-26 08:52
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发表于 2016-9-26 08:56
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