Rotate Impeller; Stationary Wet Well Installation - Wilo EMU FA Instrucciones De Instalación Y Funcionamiento

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Fig. 3: Minimum distances
6.4.2
Maintenance tasks
6.4.2.1

Rotate impeller

6.4.3

Stationary wet well installation

Installation and operating instructions Wilo-EMU FA + F-Motor
Installation and electrical connection
d
Diameter hydraulics housing
Minimum distance from the wall:
A
- alternating operation: min. 0.3 × d
1
- parallel operation: min. 1 × d
Distance to pressure pipes
A
- alternating operation: min. 1.5 × d
2
- parallel operation: min. 2 × d
After a storage period of more than 6 months, turn the impeller prior to installation.
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.
The pump is not connected to the mains!
Protective equipment has been put on!
1. Place the pump upright on a firm surface.
WARNING! Risk of hands being crushed. Make sure that the pump cannot fall
over or slip!
NOTICE! Do not position the pump horizontally, as otherwise oil can escape
from the motor!
2. Pumps without suction strainer: Reach into the hydraulics housing carefully from
below and slowly and turn the impeller.
Pump with suction strainer: Insert a suitable tool through the suction strainer and
turn the impeller.
NOTICE
Delivery problems due to water level being too low
If the level of the fluid is lowered too much, the volume flow can be interrupted. Air
cushions can also form in the hydraulics, which can lead to inadmissible operational
behaviour. The minimum permissible water level must reach the upper edge of the
hydraulics housing!
The pump is installed in the fluid for the wet well installation. For this, a suspension unit
must be installed in the chamber. On the pressure side, the on-site pipe system is con-
nected to the suspension unit and on the suction side to the pump. The connected pipe
system must be self-supporting. The suspension unit must not support the pipe sys-
tem!
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