GESTRA LRGT 16-1 Installation & Operating Instructions

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Contents
Page
Electrical connection
LRGT 16-1, LRGT 16-2, LRGT 17-1 .......................................................................................................15
Connection of conductivity transmitter ..................................................................................................15
Connecting LRGT 16-1, LRGT 16-2, LRGT 17-1 .....................................................................................16
Key .......................................................................................................................................................16
Wiring diagram for conductivity transmitter LRGT 16-1, LRGT 17-1 .......................................................17
Wiring diagram for conductivity transmitter LRGT 16-2 .........................................................................17
Safety power supply unit for LRGT 16-1, LRGT 16-2, LRGT 17-1 ...........................................................18
Tools .....................................................................................................................................................18
Factory settings ..................................................................................................................................18
Commissioning procedure
Switch on mains voltage and open the terminal box ..............................................................................19
Establishing the measuring range and actual value output ....................................................................19
Checking the setting of temperature coefficient T
K ....................................................................................................................20
Operation
Correcting the measured value ..............................................................................................................21
Adjusting the cell constant ....................................................................................................................21
Function test .........................................................................................................................................22
LED indicator ........................................................................................................................................22
Fault indications and troubleshooting
Indications, diagnosis and remedies ......................................................................................................23
Checking the electronic circuit board ...................................................................................................25
Replacing the electronic circuit board ...................................................................................................25
Maintenance
Safety note ............................................................................................................................................26
Cleaning the measuring electrode .........................................................................................................26
Removing and disposing of the conductivity transmitter
Removing and disposing of conductivity transmitters LRGT 16-1, LRGT 16-2, LRGT 17-1 ......................27
continued

GESTRA LRGT 16-1 Specifications

General

Brand	GESTRA
Model	LRGT 16-1
Category	Controller
Language	English