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| | | Guaranteeing certified performance, in compliance with real operating conditions... ■ ■ | | |
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| | | @irTwin confirms and displays ists qualities by being classified D1 / L2 / F9 / T4 / TB3 (in compliance with Eurovent EN 1886). | | |
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| | | The Eurovent tests cover the key basic points relating to the air handling unit's performance and reliability : • Casing mechanical resistance • Casing air tightness • Filter bypass leakage • Thermal transmittance • Thermal bridging factor | | |
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| | | Eurovent criteria | | |
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| | | CASING MECHANICAL RESISTANCE | | ■ THERMAL PERFORMANCE Class Thermal transmittance U in W.rrrMC1 T5_No requirement_ | | |
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| | | | | Maxi, relative flexion mm.rrr1 10 10 No requirement 4 | | Resistance to maximum | | |
| | Class 1/D3 1A/D2 1B 2 |2A/D1 | | | |
| | | pressure generated by the fan NO YES YES NO | | |
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| | | T4 | | |
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| | | 1<U<1,4 0.5 < U < 1 U < 0.5 | | |
| | | T3 T2 T1 | | |
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| | | ■ CASING AIR TIGHTNESS | | |
| | | ■ THERMAL BRIDGING FACTOR Class Kb | | |
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| | | Casing air leakage at -400 Pa in l.s-1.m-2 3.96 1.32 | | Casing air leakage + 700 Pa in l.s-1.m-2 5.70 1.90 | | |
| | | Class 3A A/L3 | | |
| | | Filter class G1 to G4 F5 to F7 | | |
| | | TB5 TB4 | | No requirement | | |
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| | | | | | | | | | TB3 | | | | | TB2 TB1 | 0.6 < Kb < 0.75 0.75 < Kb < 1 | | | | | | | | | |
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| | | 0.15 | | 0.22 | | |
| | | L1 | | |
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| | | | | | | | | | | | | | ■ FILTER BYPASS LEAKAGE | | | | Filter class G1-4 | F5 | FB | F7 | F8 | | | | | Total permissible leakage 400 Pa k tin °h) ' | 6 | 4 | 2 | 1 | | | | | | | | | | | | | | |
| | | EUROVENT certification, the performance garantee | | |
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| | | irTwin noise attenuation lin compliance with EN 1886) | | |
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