10
1. General:
1.1 Introduction
This operating manual is valid for the electronic level control.
If the instructions of the operation manual
– especially the safety instructions - are not observed, or in
case of unauthorized modifications of the device or the installation of non-original spare parts, the
guarantee expires automatically. The manufacturer assumes no liability for damages resulting from
such behaviour!
Such as any other electrical device, this product may fail due to absence of mains voltage or a technical
failure. If damage could occur, an emergency power supply, a second plant and/or an off-grid alarm
device should be provided according to the application. We as manufacturer are at your disposal for
consultation also after the purchase. In case of failures or damages, please contact your retailer.
Manufacturer
: ZEHNDER Pumpen GmbH
Zwönitzer Straße 19
08344 Grünhain-Beierfeld
State of the operation manual
: July 2011
1.2 Enquiries and orders
In case of enquiries or orders, address yourself to your specialist retailer.
1.3 Technical data:
Electronic level control
Voltage U
230 V, 1~
Frequency f
50 Hz
Nominal current of the motor I
max. 6.0 A
Output P
max. 1000 W
Number of pumps
1
High water alarm potential-free
max. contact load
max. 6 A
max. 230 V
Degree of protection connector
IP 20
Degree of protection electrode
holder
IP 68
Materials:
Electrodes .................... Stainless steel
Electrode holder ........... Plastics
Cable jacket ................. Rubber
Connector casing ........ Plastics
1.4 Range of application
The electronic level control is used when filling levels of conductive, non-burnable media in tanks or cavities
must be exactly complied with or if these liquids shall be pumped off on a very flat level. The max. filling
temperature is 55
0
C.
1.5 Accessories
The electronic level control is delivered with 4 stainless steel electrodes in electrode holder, mounting bracket
with nut connector, 10 m cable and connector switching device. The evaluation electronics, a safety plug and a
safety socket for the connection of the pump are located in the connector switching device.