15
Current L3 [A]:
Differential pressure [Pa]*:
*For single-phase fans, fill in line “Current L1 [A]”
*Δ- Pressure between suction-side and discharge of the fan
If an air flow measurement is not possible, this value can be calculated using the following formula:
X
=
Duct cross-section [m²]
Flow speed [m/s]
Grille measurement acc. to VDI 2044
Air volume [m³/s]:
Yes
No
Commissioning of the fan successful?
□
□
Date, installer's signature
Date, operator's signature
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