20 | EN SMARTY v2023.1
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• External air and exhaust system piping should be isolated in order to prevent heat loss and condensation.
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• When installing air ducts next to the ventilation equipment, brackets must be used. They suppress vibration and assure secure installation of the
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• Air ducts are often mistakenly connected in inappropriate location. The ventilation units bear the labels indicating the correct air duct connection
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Figure 5.6.1. Smarty XP:
D or Da dimensions depend on unit.
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NOTE. In case air ducts of ø D - 125 mm are used, using of NPU 125 coupling is required.
Right side connection Left side connection
Figure 5.6.2. Smarty XV side connection
Figure 5.6.3. Smarty 2X V S300 connection of the air duct
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