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Questions:' C$ l) Z8 v, {- u$ L! d' I
1. Does ETF4 agree that the ambient temperature at the switch head (Tmax) and the mounting. A. N. p, |, X* B# Z$ X0 |
surface temperature (Ts max) shall be declared and specified by the component manufacturer
F# o+ d0 e0 _9 Y! e6 P9 Cas a temperature rating? G$ b. e! A: b5 V/ y- L
2. Does the ETF4 agree that the declared value Tmax shall be independent of the mounting# [ ]6 t& T! @* n9 H1 h
temperature (Ts max) of the control?
2 r! O$ S0 N) w3. Does ETF4 agree to add a note to clause 2.3.30 in order to clarify that Tmax shall be
: N1 x, {6 ]; x. y: Lindependent from Ts max ? ?) T; E( Z Q. o0 J) Z
4. Does the ETF4 agree that it is the responsibility of the appliance manufacturer to ensure that: q" ], ]2 ~5 y! \3 K& P9 P8 U
the Tmax and Ts max values declared by the component manufacturer are met when+ c; ?! J- R, g# a# V
incorporating the temperature sensing control in the end-user appliances through testing?2 Q& Y; r4 ]/ s3 K8 N0 A
5. Does the ETF4 agree that the component manufacturer’s declared Tmax value and the; h% g+ M5 L d4 ~0 C0 c; c% x
mounting surface temperature Ts max shall be independently maintained during the heating test
( Z2 @ ^( V# S. @& c4 p6 _; J8 Aof clause 14?
* S& e8 D9 k4 ~8 @- wIEC System for Conformity Testing and Certification! y( c! P1 a; r/ q
of Electrotechnical equipment and Components# j" G1 U" i# p9 _% p
CTL-OP 106 Ed 9.2 2/5 © IEC – IECEE 2013
+ V6 U& o8 u& j/ r% H2013-05-240 y* R2 A( ^- ]% a
6. Does the ETF4 agree that the maximum temperature at the control’s connection tabs (Ttab max) W0 @6 K- @& e
shall only be a function of the declared Tmax temperature and the added heat rise under rated8 K" V- k0 o+ t0 ?3 K
load measured at the tabs of the controls at steady state, while independently maintaining the6 O$ }, p( d9 A
rated Tmax and Ts max during the heating test?
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发表于 2017-1-6 15:51
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