Safety; Potentially Explosive Environments; Installing The Product - Grundfos SEG AUTOADAPT Montage- Und Betriebsanleitung

6. Safety

Warning
Pump installation in pits must be carried
out by specially trained persons.
Work in or near wastewater pits must be
carried out according to local regulations.
Warning
It must be possible to lock the mains
switch in position 0.
Type and requirements as specified in EN
60204-1, 5.3.2.
Warning
There must be at least three metres of free
cable above the maximum liquid level.
Warning
Persons must not enter the installation
area when the atmosphere is explosive.
For safety reasons, all work in pits must be
supervised by a person outside the pump pit.
We recommend that you make all
Note
maintenance and service work when the
pump is placed outside the pit.
Pits for submersible wastewater pumps contain
wastewater with toxic and/or disease-causing
substances. Therefore, all persons involved must
wear appropriate personal protective equipment and
clothing and all work on and near the pump must be
carried out under strict observance of the hygiene
regulations in force.
Warning
Make sure that the lifting bracket is
tightened before attempting to lift the
pump. Tighten if necessary. Carelessness
during lifting or transportation may cause
personal injury or damage to the pump.
10

6.1 Potentially explosive environments

Use explosion-proof pumps for applications in
potentially explosive environments.
Warning
The explosion protection classification of
the pump is CE
Gb.
The classification of the installation site
must be approved by the local fire-fighting
authorities in each individual case.
Warning
The pumps must under no circumstances
pump combustible or flammable liquids.

7. Installing the product

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 startup of
the pump, check the cable for visible
defects to avoid short circuits.
Prior to installation, make sure the pit
Caution
bottom is even.
Fit the extra nameplate supplied with the pump at the
installation site.
All safety regulations must be observed 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
SEG AUTO pumps are suitable for different
ADAPT
installation types which are described in sections
7.1 Installation on auto coupling
standing submerged installation.
All pump housings have a cast DN 40, PN 10
discharge flange which can also be connected to a
DN 50, PN 10 flange.
II 2G Ex bcd ib IIB T4
service.
and 7.2 Free-