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标题: DSH 545 Application of Clause 22.102 for appliances with defrost heaters of glas [打印本页]
作者: 小米    时间: 2012-9-9 16:08
标题: DSH 545 Application of Clause 22.102 for appliances with defrost heaters of glas
DSH 545/ x7 r- M& `% s' h$ d' U3 ~. `& i

" Z: [: l8 n7 k2 u, p- n; Y		Application of Clause 22.102 for appliances with defrost heaters of glass tube construction- ?9 f6 ?' n, K! H$ Y
22.1026 A9 E' c" _0 [; p0 e$ o; ~
60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6)" L. ~. b/ N* C% e; D% [' d; m

# ~8 J* D. R6 V+ e  m) U0 b$ oQuestion:; o! D  H( A' i
The requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in
! z) i4 ]. ]/ E. a/ I: y( t( X" yintegral contact with, thermal insulation shall be protected against entry of water”., Z5 I) b& o0 A4 W  u2 q, x
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food" V$ ^7 `! k( K: a2 \% ^
storage compartment. The heater is protected against water by a metal “roof”. See the photographs of
; L9 X% ?, _! ~$ H- D; |the construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
6 \2 [" i5 M. }/ D8 V' p  `; @* Mtube and located below the evaporator comply with the above requirement?9 n$ X4 }; p! ]3 G- K
Decision:
  Z4 Q6 R) y3 x! {7 TThe construction of the defrost heater complies with 22.102. No amendment of the requirement is
( {; n, h& U3 @& X0 P8 i! ^needed./ }1 y" ^! l! ?8 x
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