Version with Optimizer
1 Optimizer
The optimizer can be removed temporarily for better accessibility (e.g. for
laying of cables or cleaning).
Attention!
The optimizer is only engaged. External mechanical stress (e.g. securing or fastening of installation
elements) is prohibited.
4.7.4 Optimal installation distances according to for RH../ ER../ GR.. fans
•
Distance on suction side: LA ≥ 0.5 x DSa *
•
Distance on the pressure side: LD ≥ 1 x DSa
•
Impeller blade external-diameter: Ø DSa (see main catalog for details)
•
Housing wall distances: A = 1.8 x DSa (A = B)
* In the case of disturbance flow (per example curved pipe at the suction side, flaps etc.) LA ≥ 1 x DSa
4.8 Mounting the motor
Motors design MK
Fastening to fixed motor flange
(assembly of axial fans / fans of design A, D ..) and (assembly of
radial fans of design RH).
•
If the motor is used to drive fan impellers or other components, please note the maximum
permissible speeds of the impeller or the component to be driven.
•
The max. permissible mass of the impeller ort he component to be driven must be inquired from
and confirmed in writing by ZIEHL-ABEGG.
•
Motors are not balanced as standard, a complete balancing with mounted fan impeller is necessary.
The balancing must be done on the fan impeller. The pertinent regulations must be observed.
Assembly instructions ECblue Mounting
L-BAL-F055D-GB 2021/51 Index 006 Part.-No.
15/56
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