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|  DSH 545
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| Application of Clause 22.102 for appliances with defrost heaters of glass tube construction; ^" ^- Y8 ^3 c& ~( C8 A$ H0 d0 m* Q
| 22.1026 a3 C7 a- P3 E, B) n
| 60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6)( O2 ]! K/ m; C/ a) O E2 C
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Question:
6 `$ g ]. h! s8 ^7 V, z1 d) yThe requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in
% u* R& ]4 a! ^* v) d* _" c) hintegral contact with, thermal insulation shall be protected against entry of water”.
3 S, j! `/ H0 P" d/ F+ e8 Z2 ]; OThe refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food2 Q' S2 L* o l; k4 a- X7 l5 v: f
storage compartment. The heater is protected against water by a metal “roof”. See the photographs of7 m. ^% }7 x' @4 o2 A3 c
the construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
0 p; Z' y+ L$ l4 etube and located below the evaporator comply with the above requirement?
8 b3 k9 L% G8 kDecision:
/ B3 f2 G& I" o5 JThe construction of the defrost heater complies with 22.102. No amendment of the requirement is
. I# w7 h# V5 u# }' Zneeded.2 @; w3 n/ k4 g3 t0 _
M* c* P+ ~) J/ x# h
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发表于 2012-9-9 16:08
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