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|  DSH 545
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| Application of Clause 22.102 for appliances with defrost heaters of glass tube construction+ s2 n9 F% b, y0 Q
| 22.102( H5 l8 s7 q3 U7 N
| 60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6)
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Question:
2 C( {* {) y' n& ~' b; { [The requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in; y4 T' ]2 {. {( J0 W
integral contact with, thermal insulation shall be protected against entry of water”.: H& E4 m: ^0 ~2 O* J! ~
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food
& e" S% J" Z _5 @! y! B, Rstorage compartment. The heater is protected against water by a metal “roof”. See the photographs of
, V% B5 f/ p9 ~the construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass% \7 M' c& D: ?4 F8 e7 T9 z x
tube and located below the evaporator comply with the above requirement?3 ^9 c- L6 M8 B4 N9 v3 _1 F
Decision:
6 g; M( w/ B$ y: X# R, r# kThe construction of the defrost heater complies with 22.102. No amendment of the requirement is
3 i) _- H) i6 e8 j, B% V) ^7 J0 i1 wneeded.
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发表于 2012-9-9 16:08
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