Databook Modular T - October 2022 - Rev. 00
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4.4. Bearing structure
The units feature double-skin panels that consist of two folded steel sheets. Panel thickness is 50 mm for all
unit sides. The standard versions provide Aluzinc AZ185 for the inner skin and pre-coated steel for the outer
skin. The units are constructed with removable or hinged doors allowing full maintenance access. The units
are equipped with circular flanges with gasket sealing to be connected to a circular ductwork on top.
4.5. Insulation
Insulation material used is mineral wool with a density of 120 kg/m3 (EN 1602).
Thermal conductivity is 0.036 W/m*K and mineral wool is A1 class for fire classification (EN13501-1).
4.6. Heat Exchanger
The units feature a counterflow plate heat exchanger (PHE). The PHE is able to recover up to 93% of thermal
energy in wet conditions.
They are made of aluminium alloy with a minimum content of iron and copper (to avoid corrosion issues).
PHE is Eurovent certified and protected by minimum ePM
10
80% (M5) & ePM
1
50% (F7) grade pleated filters
on extract and supply aire sides. PHE incorporates an automatic bypass with two counterrotating dampers
with actuator and a condensation drain pan with opportune slope.
4.7. Fans
4.7.1. Pro Version
The units comply with ErP 2018 rated and have IP54 EC fan/motor assemblies. EC fans are of IE5 efficiency
class. Fans provide low specific fan power (SFP) and a stepless speed control.
According to their energy balance, performances, flow and noise characteristics the rotor shall be made by
plastic (reinforced if necessary). The airflow rate shall be measured on the fan arrangement in real time.
Fans can provide a constant air volume regardless filter clogging or duct/system pressure drops (within the
fans operation limits).
They are
also able to provide a fixed pressure value regardless the supplied air volume or the pressure drops’
changes in the system, while keeping the airflow information coming from the fans.
In terms of power supply, the unit must operate on 220/240 V AC, 50/60 Hz single-phase main supply.
4.7.2. Smart Version
The units comply with ErP 2018 rated and have IP54 EC fan/motor assemblies.
EC fans are of IE5 efficiency class. Fans provide low specific fan power (SFP) and a stepless speed control.
According to their energy balance, performances, flow and noise characteristics the rotor shall be made by
plastic (reinforced if necessary).
Fans can run at least at 2 speeds (to be selected among 45 different operating points).
In terms of power supply, the unit must operate on 220/240 V AC, 50/60 Hz single-phase main supply.
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