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lds08080808 发表于 2016-9-26 09:35  ' [0 h" ^+ a$ c2 s z! D
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
3 K& v6 E; q. |( _! w6 k2 D65.1 General0 g6 {8 o8 c" s7 E- A
65.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be! w* e5 h5 T. k% k2 {, W
encountered in actual service, the product shall not cause a risk of fire, electric shock, or injury to persons
: R* q% O3 Z+ G: k1 u% Gwhen operated under such abnormal conditions.
& r5 J) j9 r7 S7 w _65.1.2 The conditions resulting from abnormal operation of a product shall be confined by the enclosure% |8 u" f8 W3 Q X. m& z
when the product is subjected to tests such as blocked armature in a relay, transformer burnout, stalled
/ p% J p, r6 P+ y+ Z( b, ^. f+ E! Jrotor, operation without liquids, or other conditions that may be encountered in service.
: I/ Z; B9 m2 G4 |65.1.3 An electrode-type product shall be operated as described in Clause 65.1.4 until ultimate results are# v; ?' k! Z! K0 q& ?
obtained. The results shall not be acceptable if a nonintegral branch-circuit protector trips during the test.0 f) V/ A' _+ v& ~0 P
After the test, the product shall comply with the Starting Test, Clause 55 and the Input Test, Clause 56.
4 M; Q! s$ E+ e# }Exception: A product need not be subjected to this test if the water-level-limiting device operates for
! v9 {# g2 ~7 w7 `" `+ C. m$ b100,000 cycles with no mechanical or electrical malfunction or significant pitting or burning of the contacts.7 F g) u9 B! f* {
65.1.4 The product shall be mounted as intended and connected to a source of rated voltage. The drain
8 u9 Y) s, B0 [/ T2 P% K" ]7 ~" nvalve shall be blocked closed, the water-inlet valve blocked open, each water-level-limiting device shall
; C" z4 p: j/ ], m; ^9 a" abe bypassed, and the electrodes are to be electrically connected. In addition, the product shall be
2 z2 C! \! J: i1 B: Gmechanically and electrically isolated from any ground means. If the hardness of the water may be a
5 m2 l* j0 K1 p5 Pfactor, the test shall be performed with a solution of 0.5 g (0.018 oz) of calcium sulfate (CaSO4) per litre+ D9 J4 H. Z5 k9 N. P: P1 A
of distilled water. The product shall be operated until ultimate results are obtained.4 r5 J" n! R9 B7 X! j+ l! d
65.1.5 A product that is permanently connected to a water supply shall be operated without water.5 N( m9 c; `) l
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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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