68 TX3 Touch Screen Installation Manual
Installation
4. Switch the voltage selection switch to the required voltage level. Place a
flathead screwdriver in between one of the holes in the chassis to access
the switch. By default it is set to 115 Volts.
Figure 59. Power supply voltage selection switch
5. Place the switching power supply back into the box using the metal guides
to position it and then replace the screws on both sides of the terminal
block to secure it into the box.
6. Reconnect the power.
The external power supply connects to the building power AC power supply. It is
recommended that the unit is powered by its own dedicated electrical outlet to
protect it from excessive power surges and current fluctuations.
Overall dimensions: height: 7 23/32” (196 mm),
width: 9 53/64” (250 mm), depth: 2 3/8” (60.5 mm)
Knockout dimensions: 1 1/8” (29 mm) and 7/8” (22 mm)
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