Technical Information
69
G 1xxx/G 2xxx
2 Function
2.1 Cabinet Construction
The inner cabinet is constructed of stainless steel (1.4301) welded onto four
(4) vertical U-section sub-frames. The cabinet is sound- and heat-insulated
with bitumen and/or mineral wool matting.
2.2 Drying System
Depending on model and production time frame, G 1xxx/G 2xxx machines may
be equipped with version 1 or version 2 of recirculation Turbothermic drying.
Figure 040-1: Recirculation Turbothermic Drying
1
Inner fan channel
2
Outer fan channel
3
Fan
Recirculation Turbothermic drying (UTT) operates with two separate air paths:
1. Condensing circuit. To obtain a dry load, the cabinet must be
dehumidified. During this process, the remaining moist, warm air in the
cabinet is cooled down gradually. This is because cold air stores less
humidity than warm air. During the cooling process, drops of
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