Installing The Lc Display With Control Buttons - ABB TTF300 Inbetriebnahmeanleitung

Installation
3.2

Installing the LC display with control buttons

Fig. 3
The LC display is attached to the housing of the TTF300 transmitter. The LC display can be
replaced, e.g., if defective.
Warning! General risks!
The connection head can be become very hot as a result of the process. There is a danger of
burns.
Switch off the LC display before replacing the LC display.
The atmosphere at the transmitter can be explosive. Risk of explosion!
Before replacing the LC display, make sure there is sufficient ventilation with fresh air.
1. Unscrew the housing cover for the transmitter.
2. Carefully remove the LC display from the inset for the transmitter. The LC display is held
firmly in place. You might have to use the tip of a screwdriver to pry loose the LC display.
Avoid mechanical damage.
3. No tools are required to insert the LC display. Carefully insert the guide pins for the LC
display in the guide holes of the transmitter inset. Make sure the black connection sockets in
the terminal fit in the transmitter inset. Then press in as far as it will go.
Make sure that the guide pins and the connection sockets are inserted fully.
The position of the LC display can be adjusted to the installation position of the transmitter to
ensure the display is readable. The LC display has twelve positions that can be set in 30°
increments.
Caution! Potential damage to parts!
Make sure the flat ribbon cable is not twisted or torn when rotating the LC display.
4. Carefully turn the LC display to the left to release it from its mount.
5. Use caution when positioning the LC display.
6. Insert the LC display back into the mount and turn it to the right until it snaps into place.
7. Screw on the housing cover for the transmitter.
8 - EN TTF300
A00087
CI/TTF300-X1