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lds08080808 发表于 2016-9-26 09:35  ! | O) n) K( u8 V) n- G
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 ...
/ x% D: x. H, |/ f* f65 Abnormal Operation Test
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65.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be
: R$ [; E e0 {, `# @' T& s# tencountered in actual service, the product shall not cause a risk of fire, electric shock, or injury to persons
; S8 C" l2 e( q7 ~1 e$ dwhen operated under such abnormal conditions.
, V! w' v1 W1 Q8 _1 ]% E! z6 V' J65.1.2 The conditions resulting from abnormal operation of a product shall be confined by the enclosure
/ f3 X* k' t' ywhen the product is subjected to tests such as blocked armature in a relay, transformer burnout, stalled/ r @+ @1 ?; O+ w
rotor, operation without liquids, or other conditions that may be encountered in service.
6 f- W7 L/ J' a: r$ R/ D9 i9 T65.1.3 An electrode-type product shall be operated as described in Clause 65.1.4 until ultimate results are) M' R2 M3 q$ `" U- Z$ a
obtained. The results shall not be acceptable if a nonintegral branch-circuit protector trips during the test.
0 Y O5 N/ f; u9 {After the test, the product shall comply with the Starting Test, Clause 55 and the Input Test, Clause 56.# x) u0 \* ~( w) C8 p7 Y
Exception: A product need not be subjected to this test if the water-level-limiting device operates for0 n2 I5 B0 U; |' K2 D8 B6 e9 @+ b
100,000 cycles with no mechanical or electrical malfunction or significant pitting or burning of the contacts.7 U0 l' ]) L" |6 H/ q
65.1.4 The product shall be mounted as intended and connected to a source of rated voltage. The drain
( L6 b, g6 _1 `4 ~valve shall be blocked closed, the water-inlet valve blocked open, each water-level-limiting device shall5 P" b( p( y& y6 X9 W% ~
be bypassed, and the electrodes are to be electrically connected. In addition, the product shall be) [' y/ F4 c. x2 e& C* U
mechanically and electrically isolated from any ground means. If the hardness of the water may be a+ D$ L( a4 R( e8 r& A% P5 b
factor, the test shall be performed with a solution of 0.5 g (0.018 oz) of calcium sulfate (CaSO4) per litre
4 W C- J& _+ W3 L' g( dof distilled water. The product shall be operated until ultimate results are obtained.
& u# A+ A# @2 p+ G/ r( _8 Q$ L65.1.5 A product that is permanently connected to a water supply shall be operated without water.
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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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