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[HOUS] DSH 545 Application of Clause 22.102 for appliances with defrost heaters of glas

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发表于 2012-9-9 16:08 | 显示全部楼层 |阅读模式

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DSH 545

Application of Clause 22.102 for appliances with defrost heaters of glass tube construction

22.102

60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6)

Question:
The requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in
integral contact with, thermal insulation shall be protected against entry of water”.
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food
storage compartment. The heater is protected against water by a metal “roof”. See the photographs of
the construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
tube and located below the evaporator comply with the above requirement?
Decision:
The construction of the defrost heater complies with 22.102. No amendment of the requirement is
needed.

amp, appliances, heaters

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[HOUS] DSH 545 Application of Clause 22.102 for appliances with defrost heaters of glas

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