16
TTF200
FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF200-EN REV. B
… 6 Installation
Opening and closing the housing
DANGER
Danger of explosion if the device is operated with the
transmitter housing or terminal box open!
While using the device in potentially explosive atmospheres
before opening the transmitter housing or the terminal box,
note the following points:
• A valid fire permit must be present.
• Make sure that no flammable or hazardous atmospheres
are present.
A11167
1
Figure 13: Cover lock (example)
To open the housing, release the cover lock by screwing in the
Allen screw
1
.
After closing the housing, lock the housing cover by unscrewing
the Allen screw
1
.
NOTICE
Potential adverse effect on the IP rating
• Check the O-ring gasket for damage and replace it if
necessary before closing the housing cover.
• Check that the O-ring gasket is properly seated when
closing the housing cover.
Rotating the LCD indicator
A11168
1
2
1
Front view
2
Rear view of LCD indicator / plug
positions
Figure 14: LCD indicator
The position of the LCD indicator can be adjusted to suit the
mounting position of the transmitter, to ensure that the display
is as clearly legible as possible. There are 4 positions at
increments of 90°-.
To adjust the position, proceed as follows:
1.
Tighten the lock screw under the housing cover.
2.
Release the housing cover by turning it counterclockwise.
3.
Carefully pull the LCD indicator to release it from its
bracket.
4.
Carefully insert the LCD indicator in the required position.
5.
Screw the housing cover back on.
6.
Loosen the lock screw until the housing cover is firmly in
place.
