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5 Z) S8 E. f& h1 D2 N N# ^
. j% z" y/ q8 E6 S2 r/ T+ V m0 ^Questions:* [9 H9 I4 ~9 i+ N* ~
1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting( P. r/ D5 [' S! e- m
surface temperature (Ts max) shall be declared and specified by the component manufacturer, F6 Y: E4 X0 U
as a temperature rating?' [* m# b) ?+ n6 V
2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting
: Y6 j* M4 V4 o/ }* Xtemperature (Ts max) of the control?* ]$ r' q W( a4 ^5 P
3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be
3 u7 G: a' K+ J: ]0 R) S/ z% Vindependent from Ts max ?
7 r( c$ k6 \3 |& x: i4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that* M1 ~" P8 G2 s. v' N4 o7 z$ l n5 N
the Tmax and Ts max values declared by the component manufacturer are met when: X' l% V: x/ O8 ` v$ v
incorporating the temperature sensing control in the end-user appliances through testing?# C8 ~% y" d1 [; V0 i
5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the5 d c7 p4 C" S3 j5 @7 D7 H$ g* e
mounting surface temperature Ts max shall be independently maintained during the heating test( p+ A/ r* A% t w. t6 E# ]5 }8 S9 N
of clause 14?* W. L' V6 D% f7 ^- `) J$ ]) J
IEC System for Conformity Testing and Certification
. i6 S! c! J9 ]8 a2 R7 yof Electrotechnical equipment and Components
$ ?2 D( z2 Y0 `( X. P, T, r2 kCTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013
6 Q- q. Z# @5 u: g+ _5 [/ r2013-05-242 f& j- `9 `4 G6 Y1 T) i
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max)
* z- d5 k' S. D' u0 ], | {shall only be a function of the declared Tmax temperature and the added heat rise under rated, K/ s% C E# w, z& k7 J- Q4 n+ U( c
load measured at the tabs of the controls at steady state, while independently maintaining the
6 h& R; X7 g5 j9 S6 \rated Tmax and Ts max during the heating test?& g4 j1 l- |* k, w9 v' p0 P/ }
8 H6 w5 y5 i! m3 g. T$ ~& S# k' r4 r& z' t [! P
9 o& E& D% V/ q5 ] |
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发表于 2017-1-6 15:51
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