User manual

Released 03/2008 Rights reserv ed f or change in technical data! HYGROSENS INSTRUMENTS GmbH Postf ach 1054 D-79839 Löf f ingen Tel: [phone] Fax: [phone]
page 6
LEVEL CONTROLLER FOR
CONDUCTING LIQUIDS
2.3 Model description
There are two relays with NO/NC
contacts for control of the appliances
(valve/pump). The NO contact can be
loaded up to 230V/5A AC and is provided
with a varistor for surge suppression. The
NC contact can be loaded up to 230V/2A
.
The model in housing is provided with a
230V AC power supply and a control unit
with LEDs for level indication and also
pushbuttons for manual switching of the
relays.
Typical areas of application: Water harvesting/monitoring in rain water cisterns,
monitoring of condensate tubs and compressor pressure chamber, boiler, fountains
and wells, cattle watering places, control of pumps.
2.4 Scope of supply
The scope of supply of the device is inclusive of 6 core sensor connection lead with
RJ12 connector, but without electrodes. Standard sensors are available as
accessories or can be easily self made.
The 12V/24V model is supplied as a module (PCB) of size 95 x 75 mm without
housing or control panel.
The 230V model is supplied as a complete unit assembled in a housing with an
integrated power supply and a control panel. The overall dimensions are 100 x 100 x
60 mm. The cable glands are also included.