OPERATION MANUAL
Technical changes reserved
0141 0316-112 31.08.2020
Level controller for conducting liquits
WLS-GEH230V
1.
General dangers and precautions
1.1
Instructions regarding documentation
Please carefully read the following instructions before putting into operation! The symbols used in the operating manual are to make you
careful, before hand, regarding safety considerations and dangers. But, in no way, these symbols can substitute the text of the associated
safety instructions. Therefore, the instructions should also be always read in full detail!
!
This symbol indicates likely danger for persons, material or environment. The information provided in the associated text should be duly
followed to avoid any kind of risk.
!
This symbol refers to important application notes and tips, which are necessary for successful working and should to be absolutely
followed to ensure good results.
1.2
Safety instructions
!
Please read these instructions, carefully and completely, before putting the device into operation. Please also comply and follow the
safety instructions, specially the safety regulations related to the devices to be operated on mains supply.
The product should be installed and used only for the intended applications as described in these instructions. Any other application is
not advised and shall lead to loss of guarantee and exclusion from liability. This also applies to any changes or other modifications carried
out on the device by the user.
Defective safety devices should be replaced with same type of items in respect of trip current rating, tripping characteristics, and mecha
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nical fitment dimensions. Bypassing protections lead to a considerable safety risk, and hence, is not allowed under any circumstances.
The connection terminals may be wired to mains voltage. Contact with live parts lead to fatal dangers. The mounting and maintenance
operations should be carried out by only trained personnel, who are authorised on the basis of technical training in this field. The applicable
safety regulations should be followed. The switching device must be assembled in a switching cabinet or a fully closed plastic housing.
Mounting and servicing operation should be carried out only after switching off the voltage.
!
The product is not meant for controlling electrical systems which perform safety related functions. In normal operation also, there is
always a danger of malfunctioning due to failure of any component or any other disturbance. The user has to ensure that there are no
consequential damages due to malfunctioning or undefined switching status of the relay. This is all the more possible, if heavy loads like
heaters or motors are triggered with the relays.
The device is not suitable for use in medical instruments or swimming pools. The user has to take suitable measures (e.g. grounding
the metallic container) to take care that there is no danger of electric shock in the medium. The safety regulations applicable for special
applications should be absolutely followed by the user ! The controller is only suitable for mounting in dry locations.
The liquids suitable for application of this device are all types of non-combustible, aqueous, non-corrosive and unpolluted liquids e.g. tap
water. The device is not suitable for combustible, non-conducting liquids!
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