NCF fan
EN
Problem
Cause
Solution
Fluid density lower than the inten-
ded value
Check the fluid density value
Air flow greater than the intended
value
Check the resistance pressure
value of the system
Instability of air flow
Check the operating field envis-
aged by the operating curve
Fluctuations in flow due to other
fans operating in parallel
Check for correct installation on
the system
Pulsating operation
Intake air turbulence created by
system near intake opening
Check minimum installation dis-
tances.
32
Содержание NCF 120/15
Страница 1: ...User Manual Fans NCF NCF fan Original user manual EN USER MANUAL 2022 09 05 2130187 02 EN ...
Страница 3: ...NCF fan Declaration of Conformity 4 Figures 6 English 11 3 ...
Страница 8: ...NCF fan Example of lifting NCF fans 7 Minimum installa on distances with inlet duct 8 8 ...
Страница 10: ...NCF fan OUTDOOR INSTALLATIONS Leave a bend on the cable to prevent water from entering the motor 11 10 ...
Страница 34: ...www nederman com Individual Serial number ...