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- l* _+ D/ [( lQuestions:7 a: e: y4 _8 e/ p+ A5 X
1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting7 a' {+ g4 f i9 t" i
surface temperature (Ts max) shall be declared and specified by the component manufacturer8 [/ j6 O4 P3 i9 G" O, ^
as a temperature rating?
- G% i" ~6 }/ n, u _: w2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting8 g% \& L. L% m& H2 i i5 v, K7 u
temperature (Ts max) of the control?$ g4 f8 l b d
3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be( c& T% x1 J- ]0 W) p9 Q
independent from Ts max ?0 K% W" w0 _" s6 q! r3 |
4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that
, m; e1 Q( _7 I. @the Tmax and Ts max values declared by the component manufacturer are met when% ~; [7 V; L8 p8 F( U, i; ]& ]8 J' B
incorporating the temperature sensing control in the end-user appliances through testing?
, w, g+ d0 Z) d5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the
" O, n, p" K6 {mounting surface temperature Ts max shall be independently maintained during the heating test7 S7 X5 ~& R2 c& b
of clause 14?% C- F: @8 X; n2 p( D6 u
IEC System for Conformity Testing and Certification! C- m( r- B% B- p& V$ L
of Electrotechnical equipment and Components `; {3 A7 r8 Q" H8 j$ U# }
CTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013
" A% \! j U+ f( Z$ B- o2013-05-247 h' b+ u2 V6 C2 F
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max): h i( D$ Q9 E, I
shall only be a function of the declared Tmax temperature and the added heat rise under rated
; u/ t! ~, }5 uload measured at the tabs of the controls at steady state, while independently maintaining the
7 c) E4 y* o0 y8 ^; Orated Tmax and Ts max during the heating test?
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6 L# _! `% W+ }
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发表于 2017-1-6 15:51
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