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The open channel at the rear is clearly shown. For the correct
operation of the appliance it is important that the top of the housing
unit is not blocked off. A channel depth of 40-50mm is normal with
most units.
A hole is shown in the base shelf of the unit; this allows air to be
drawn over the compressor & heat exchange. Some installers fit a
decorative plinth vent. In most cases this is not required, but is a
welcome aesthetic addition.
As a rule, the more air can get in, the better and more efficient the
operation of the product.
