Installation; Installation On Auto Coupling - Grundfos SEG Serie Montage- Und Betriebsanleitung

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
Before installation and the first start-up
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.
All safety regulations must be observed at the
installation site, e.g. the use of blowers for fresh-air
supply to the pit.
Prior to installation, check the oil level in the oil
chamber. See section 10. Maintenance and
The SEG pumps are suitable for different installation
types which are described in sections
All pump housings have a cast DN 40, PN 10
discharge flange.
The pumps are designed for
intermittent operation.
When completely submerged in the
Note
pumped liquid, the pumps can also run
continuously. See section
12. Technical
Warning
Do not put your hands or any tool into
the pump suction or discharge 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.
We recommend to always use
Grundfos accessories to avoid
Caution
malfunction due to incorrect
installation.
Warning
Only use the lifting bracket for lifting
the pump. Do not use it to hold the
pump when in operation.
12
service.
7.1 and 7.2.
data.

7.1 Installation on auto coupling

Pumps for permanent installation can be mounted on
a stationary auto-coupling guide rail system or a
hookup auto-coupling system.
Both auto-coupling systems facilitate 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
Note
weight must be carried by the pump.
We recommend the use of loose
flanges to ease the installation and to
avoid pipe tension at flanges and bolts.
Do not use elastic elements or bellows
in the pipework; these elements should
Note
never be used as a means to align the
pipework.