@irTwin TR 20 to 1000 - WESPER - #3

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Text version of the page
Guaranteeing certified performance, in compliance with real operating conditions... ■ ■
@irTwin confirms and displays ists qualities by being classified D1 / L2 / F9 / T4 / TB3 (in compliance with Eurovent EN 1886).
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
Eurovent criteria
CASING MECHANICAL RESISTANCE
■ THERMAL PERFORMANCE
Class Thermal transmittance U in W.rrrMC1 T5_No requirement_
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
T4
1<U<1,4 0.5 < U < 1 U < 0.5
T3 T2 T1
I
■ CASING AIR TIGHTNESS
■ THERMAL BRIDGING FACTOR
Class Kb
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
TB3
TB2 TB1
0.6 < Kb < 0.75 0.75 < Kb < 1
0.15
0.22
L1
■ 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
irTwin noise attenuation lin compliance with EN 1886)

pageCatalog pdf di En 2012-02-07-13