IEC60335-2-24 Figure BB.1 Apparatus for Water Evaporation and for Accumulation of Frost

IEC60335-2-24 Figure BB.1 Apparatus for Water Evaporation and for Accumulation of Frost

The accumulation of frost may be produced by the use of a device having a controllable heat source directed on a measured amount of water for the purpose of evaporating this water over a predetermined period with a minimum of extraneous heat loss to the cabinet of the refrigerating appliance.

A convenient form of the apparatus would comprise a block enclosure of thermally insulating material having a vertical hole at its centre containing a lamp mounted on a bottom plug directly below an evaporating dish with a high thermal conductivity base and low thermal conductivity walls(see Figure BB.1 and Figure BB.2)

Conform to the requirements of IEC60335-2-24 Appendix BB Figures BB. 1 and BB. 2

Main parameters:

Material: Insulated nylon board

Power: 0.5-12W adjustable

Heat conduction: red copper.

Note: Do not light the lamp directly and quickly at low temperature, otherwise the incandescent lamp will burn out easily at low temperature. Increase the power slowly, and then add the required power after the filament is preheated.

Sherry Xu

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