20 | EN SMARTY v2023.2
• In order to reduce air loss in the system, the air ducts and prole components should be of class C or higher. The catalogue of the above-men-
tioned items can be found on our website https://select.salda.lt.
• External air and exhaust system piping should be isolated in order to prevent heat loss and condensation.
• We recommend to maintain a distance of up to 8 meters between air intake and air exhaust ducts. The air intake point should be installed away
from potential air pollution sources.
• When installing air ducts next to the ventilation equipment, brackets must be used. They suppress vibration and assure secure installation of the
various system parts. The necessary brackets can be found in our catalogue or on our website https://select.salda.lt.
• Air ducts are often mistakenly connected in an inappropriate location. The ventilation units bear the labels indicating the correct air duct connec-
tion layout. Before starting up the system, carefully check if all related works have been performed properly.
Da
Da
Figure 5.6.1. Smarty XP:
D or Da dimensions depend on unit.
For Smarty 2X P, air ducts of the following two sizes can be used: øD - 125 mm (a), øDa - 160 mm (b).
For Smarty 3X P, air ducts of the following two sizes can be used: øD - 150 mm or 160 mm (b).
NOTE. In case air ducts of øD - 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
For ange diameters see chapter "DIMENSIONS AND WEIGHT".