GESTRA LRR 1-52, Original Installation & Operating Manual

Page: 36 / 72

36 LRR 1-52, LRR 1-53, URB 55 - USA - Installation & Operating Manual -
850703-00
Changing the equipment settings
DANGER DANGER
Danger of death from electric shock! Do not touch live connections on terminal
strips.
■
Always switch off the voltage to the equipment before performing work on the
terminal strips.
■
Check that the plant is not carrying live voltage before commencing work.
You can change the input and function of the LRR 1-52, LRR 1-53 conductivity controller at any
time if necessary using code switch
D
(see
Fig. 19
).
Make changes before installing the conductivity controller, when access is easier.
You will need the following tools:
■
Flat blade screwdriver, size 3/32 in (2.4 mm)
■
Pozidriv screwdriver, size PZ1
Proceed as follows:
1.
Switch off the supply voltage to the equipment or plant.
2.
Unscrew and pull off the lower terminal strip, see
Fig. 8
.
3.
Set code switch
D
(see
Fig. 19
) as desired.
4. When your changes are complete, put the terminal strip back on and screw in place.