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|  DSH 5451 k+ h2 Q! b1 T+ {5 e2 \( i& ]
' r$ f0 w0 A j' e+ v | Application of Clause 22.102 for appliances with defrost heaters of glass tube construction
7 h* r" T8 s. z- |( z' l | 22.102+ ^' r7 R( Q4 |) I
| 60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6): M) K$ N6 \/ o8 n: D. e
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) d# e& F& ~. h y, \1 m+ R8 ]: q; sQuestion:
* Z, S/ o2 ~, `9 TThe requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in( a( Q, C4 a B: \4 W% a" ?9 M
integral contact with, thermal insulation shall be protected against entry of water”." U, l9 k: A! S- M
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food
, l% U% X" V' istorage compartment. The heater is protected against water by a metal “roof”. See the photographs of: w" `! l" E' u J7 r
the construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
' \- ` T. k3 Ztube and located below the evaporator comply with the above requirement?9 I) Z& M+ ~( D
Decision:) H7 j p \* C6 e8 N9 D9 Y
The construction of the defrost heater complies with 22.102. No amendment of the requirement is w# ~( c1 c4 L3 {2 o, h0 U
needed.
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发表于 2012-9-9 16:08
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