1.0
General
1.1
About this document
These operating instructions are part of the product. They must be
kept in the vicinity of the product at all times. The careful observance
of these instructions is the precondition for the proper use and the
correct operation of the product. The operating instructions
correspond to the version of the product and the latest state of the
underlying safety-related standards.
1.2
Safety
These operating instructions contain essential information that must
be observed during the installation and operation. For this reason, it
is imperative that these operating instructions are read by both the
technician as well as the responsible operator before installation and
commissioning. Not only must the general safety instructions be
observed that are listed under this main item “Safety”, but also the
specific safety instructions inserted under the following main points
with hazard symbols.
1.3
Identification of information in the operating
instructions
General hazard symbol
Hazard due to dangerous electrical voltage
Important information
2.0
Warning and safety information for the
installation and commissioning of the
control
2.1
Fields of application, proper use
This switchgear has been designed for domestic and municipal
sewage, wastewater and rainwater pump stations.
Please note the following in regard to the controlling of
pumps operated in an explosive area: The switchgear itself
must be installed outside of the explosive area.
The controls are suitable for wastewater submersible motor pumps
of the type of protection “d” in zone 1 of the mains. The operating
manuals of the pumps must be observed.
When using external 4 - 20 mA level sensors and float switches
installed in an explosive area, it will be necessary to use components
with the requisite certifications.
It is essential for the switching of three-phase current motors that
both the setting of the electronic motor current monitoring as well
as for the settings of mechanical motor protection switches that the
limit values provided below are adhered to.
2.2
Personnel qualifications
Personnel tasked with the installation, commissioning and
maintenance of the switchgear must hold the requisite
qualifications.
2.3
Safety instructions for the operator
Observe the existing regulations governing accident prevention, the
VDE specifications and stipulations of the local energy supply
company. When opening the device (removal of the panel or
terminal cover) or working on the pumps, the control must be
switched off from the power supply through the fuse or a separate
main switch.
Due to safety reasons, the unused cable glands must be sealed with
blanks or blind caps.
HAZARD due to dangerous voltage
When working on the open switchgear,
there is a risk of death from electric shock.
For all work on the open
device (removal of the cover or terminal cover) or work on the
pumps, the control must always be switched off via the backup fuse
or a separate main switch and secured against being switched on
again. This work may only be carried out by a qualified electrician.
2.3.1
Electrical work
HAZARD due to dangerous voltage
There is a risk of death due to electric shock in all work on open
switchgear. During all work on the open device (removal of the panel
or the terminal cover) or when working on the pumps, the control
must be switched off from the power supply through the fuse or a
separate main switch and secured against
reactivation
.
To
disconnect the battery, pull out the red + plug and isolate the
connection with the yellow cap. This work may only be carried out by
a qualified electrician.
Beware of moisture!
The device can be damaged by penetration of moisture. When
installing, pay attention to the permissible humidity and ensure a
flood-proof installation.
For the connection, refer to chapter 6.0 "Connection". The technical
information must be observed.
2.4
Dangers of non-compliance with safety
information
The non-compliance with the safety information can lead to
endangerment for persons and product/system. Non-compliance
with the safety information can lead to the loss of all rights for
damage compensation.
2.5
Operating instructions
When installing, commissioning and maintaining the switchgear
observe the operating instructions. Always observe the limit values
cited in the manual.
A fusing on the mains side of max. 3 x 16 A must be
performed.
Standard version
5,5 KW contactors
Three-phase current 400 V Max. 12 A
Alternating current 230 V
Max. 12 A
PS
MEGA
1
www.lesa.de
3