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Questions: p* l& x: ?$ r$ W( n" j
1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting
& {' M; A5 Q; C8 ~) I' asurface temperature (Ts max) shall be declared and specified by the component manufacturer
9 e6 \/ z5 r# Q0 C; m9 s9 E3 mas a temperature rating?
, V& W" w& _8 k# Q0 G3 L% K2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting
* \5 \/ M2 p% F, d' ~1 }$ Htemperature (Ts max) of the control?8 N& R; }% F% c
3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be
0 ` L$ p) m# R% N2 X5 Nindependent from Ts max ?
( p5 M- [5 ]( z* A4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that
' p* u& g& S, wthe Tmax and Ts max values declared by the component manufacturer are met when
: }& r4 Q d) `5 Y0 sincorporating the temperature sensing control in the end-user appliances through testing?
) t) P% `) u& B6 W( X5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the( J1 T$ D5 K, x3 D& I% e
mounting surface temperature Ts max shall be independently maintained during the heating test4 y+ Y, c5 a& h* J
of clause 14?+ O, x" ]8 \) X) j" X5 `9 f
IEC System for Conformity Testing and Certification
8 l4 k+ p3 X8 }5 }0 iof Electrotechnical equipment and Components0 R3 T$ R, N5 ~2 X5 _
CTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013) I" d' G3 E! H3 \3 Y6 u
2013-05-24
* c# ~' j- e* n- h% O1 p6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)
# b/ y0 I& T; u/ Cshall only be a function of the declared Tmax temperature and the added heat rise under rated. W1 z6 u3 M; ?- v9 S+ P% c; ~
load measured at the tabs of the controls at steady state, while independently maintaining the
% H. V$ J9 m4 U# P8 H& t; arated Tmax and Ts max during the heating test?
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发表于 2017-1-6 15:51
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