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. j; J! I# p' G+ \& h1 A | Application of Clause 22.102 for appliances with defrost heaters of glass tube construction
* o, I- h# k5 M i | 22.102
6 o7 E- p, I7 E. G. U+ L | 60335-2-24(ed.4) & 60335-2-24(ed.5) & 60335-2-24(ed.6). b' [& M [6 g: {2 X
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1 E7 A$ k" {2 v& _& E% y4 qQuestion:
, u" Q" x" j4 o1 M3 VThe requirement of Clause 22.102 reads: “Insulated wire heaters and their joints located in, and in
& x( Z: l: o8 F# s3 f/ k: A/ e- ]+ ^' Dintegral contact with, thermal insulation shall be protected against entry of water”.4 s) q- T, E& G: h0 T7 L, }4 ?
The refrigerator/freezer is of the indirect cooling type with the evaporator located outside the food
' H- G: J8 \/ U+ `, Qstorage compartment. The heater is protected against water by a metal “roof”. See the photographs of
$ M4 L8 @6 o. sthe construction on page 2. Must a defrost heater with an un-insulated heating wire, mounted in a glass
6 ~ s! p# {4 ^5 ]5 w/ jtube and located below the evaporator comply with the above requirement?3 t) E3 n7 I) J. X
Decision:2 i; t; U) o, ~7 C
The construction of the defrost heater complies with 22.102. No amendment of the requirement is5 Y4 _4 W: k; |( Y! c$ b! @
needed.
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