K-Patents PR-21-S - Manual (Page 27)

3 Indicating transmitter DTR 21
3.3.3 Connecting the Indicating transmitter
All the electrical terminals of the Indicating transmitter are behind the Front panel.
To access them, first open the enclosure cover. Then loosen the front panel screw
(Figure 3.4) and swing open the Front panel. All terminals are now accessible.
POWER
INDICATOR
LIGHT
FRONT
PANEL
SCREW
Figure 3.4 Opening the Front panel of the Indicating transmitter
Figure 3.5 The recommended external power switch
!
Warning! Check that the power is off before opening the Front panel. If the
green power indicator light (Figure 3.4) is on, there is still power in the system. To
completely turn off the power, unplug the power supply cord or switch the system off
with an external power switch, (if installed see Figure 3.5).