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Installation; Installation On Auto Coupling - Grundfos AUTOADAPT SL1 Serie Instrucciones De Instalación Y Funcionamiento

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7. Installation

Prior to installation, make sure the pit
Caution
bottom is even.
Warning
Before beginning the installation, switch off
the power supply, and lock the mains
switch in position 0.
Any external voltage connected to the
pump must be switched off before working
on the pump.
Warning
Prior to installation and the first startup of
the pump, check the cable for visible
defects to avoid short-circuits.
Fit the extra nameplate supplied with the pump at the
installation site or keep it in the cover of this booklet.
Observe all safety regulations at the installation site,
for instance the use of blowers for fresh-air supply to
the pit.
Prior to installation, check the oil level in the oil
chamber. See section
11. Maintenance and
The pumps are suitable for different installation types
which are described in sections
auto coupling
and
7.2 Free-standing submerged
installation.
The pump housings have a cast iron DN 65, PN 10
outlet flange.
Warning
Do not put your hands or any tool into the
pump inlet or outlet port after the pump
has been connected to the power supply,
unless the pump has been switched off by
removing the fuses or switching off the
mains switch. Make sure that the power
supply cannot be accidentally switched on.
Warning
Only use the lifting bracket for lifting the
pump. Do not use it to hold the pump when
in operation.
We recommend that you always use
Caution
Grundfos accessories to avoid malfunction
due to incorrect installation.
The pumps are designed for intermittent
operation. When completely submerged in
Note
the pumped liquid, the pumps can also
operate continuously. See section
10.2 Operating
Make sure that the liquid entering the pit
Note
through the inlet does not cause water to
be splashed on the sensors of the pump.
12
service.
7.1 Installation on
modes.

7.1 Installation on auto coupling

Pumps for permanent installation can be installed on
a stationary auto-coupling guide rail system.
The auto-coupling system facilitates maintenance
and service as the pump can easily be lifted out of
the pit.
Warning
Before beginning installation procedures,
make sure that the atmosphere in the pit is
not potentially explosive.
Make sure that the pipework is installed
without the use of undue force. No loads
from the pipework weight must be carried
Caution
by the pump. We recommend that you use
loose flanges to ease the installation and
to avoid pipe tension at flanges and bolts.
Do not use elastic elements or bellows in
Caution
the pipework. Never use these elements
as a means to align the pipework.
Auto-coupling guide rail system
See fig. 1, page 534.
Proceed as follows:
1. Drill mounting holes for the guide rail bracket on
the inside of the pit, and fasten the guide rail
bracket provisionally with two screws.
2. Place the auto-coupling base unit on the bottom
of the pit. Use a plumb line to establish the
correct positioning. Fasten the auto coupling with
heavy-duty expansion bolts. If the bottom of the
pit is uneven, the auto-coupling base unit must
be supported so that it is level when being
fastened.
3. Assemble the outlet line in accordance with the
generally accepted procedures and without
exposing the line to distortion or tension.
4. Insert the guide rails in the auto-coupling base
unit, and adjust the length of the rails accurately
to the guide rail bracket at the top of the pit.
5. Unscrew the provisionally fastened guide rail
bracket, fit it on top of the guide rails, and finally
fasten it firmly to the pit wall.
The guide rails must not have any axial
Note
play as this would cause noise during
pump operation.

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