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5 \9 w+ x4 @8 k tQuestions:
" N- T/ H; S* R+ ^: F$ G: j7 k* o1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting
$ d+ I! N( U4 K) r0 Psurface temperature (Ts max) shall be declared and specified by the component manufacturer
# O, j% X* Q; ]4 n9 n: }7 gas a temperature rating?
6 C. [! T0 e7 M N# z; L2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting1 a( \% y2 y% o# W; s* w) |; P
temperature (Ts max) of the control?7 w* p: n5 g9 @3 Z1 }* A
3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be
* k- o4 P; I8 s8 F* vindependent from Ts max ?. a* q2 n% A Z8 W8 P) y
4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that' m% ~# h6 A2 l/ f; J
the Tmax and Ts max values declared by the component manufacturer are met when i7 @, d7 H9 \, u" D$ D
incorporating the temperature sensing control in the end-user appliances through testing?( c1 u8 A! ]8 ?$ e5 i
5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the2 o7 ]; E/ l' o2 j4 G
mounting surface temperature Ts max shall be independently maintained during the heating test
! j' N- R9 h) `/ k1 lof clause 14?
! |6 J u$ c1 g* b8 x8 ]IEC System for Conformity Testing and Certification1 P- b! x" v* m) Z' ], v
of Electrotechnical equipment and Components5 I6 {% ^. b: Y, {% \
CTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013
9 j: j) V* C+ r) I0 a6 i2013-05-24& j; H, J% X' U- h
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)( \9 V* s6 t; s
shall only be a function of the declared Tmax temperature and the added heat rise under rated: r9 J! a( O t+ R, T: R2 `7 |. r9 [
load measured at the tabs of the controls at steady state, while independently maintaining the$ h) r. n4 w9 z N
rated Tmax and Ts max during the heating test?
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X) l" l6 m7 X7 R) _
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发表于 2017-1-6 15:51
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