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|  DSH 545
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, l8 X1 H2 Q0 b, u8 D& h" ?+ S | Application of Clause 22.102 for appliances with defrost heaters of glass tube construction! n+ g0 R5 ?9 _4 M7 T
| 22.102
) `' O( @. r2 L2 H9 D | 60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6)
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Question:
7 B7 q& t6 ]/ d3 h: `The requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in( S, A9 d* t$ O2 p! ^/ ^% y* g% ^
integral contact with, thermal insulation shall be protected against entry of water”.8 H5 F4 U+ f7 ?* H P
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food
+ K/ e. }" t* {. Z' H, istorage compartment. The heater is protected against water by a metal “roof”. See the photographs of
% w# s. y' g u% {8 r+ c5 Tthe construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
L, m9 _. `' u5 ?tube and located below the evaporator comply with the above requirement?+ n1 A+ ]& \# ?4 j7 }* P# N
Decision:- Z4 y, s+ M/ j" F! }' _7 p+ f! b0 }
The construction of the defrost heater complies with 22.102. No amendment of the requirement is' q; W+ p/ x# s% }" G6 }& M
needed.
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发表于 2012-9-9 16:08
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