KROHNE OPTITEMP TT 30 C-R EN - Manual (Page 18)

3
INSTALLATION
18
OPTITEMP TT 30 C/R
www.krohne.com 11/2012 - 4000753302 - MA OPTITEMP TT 30 C/R R02 en
3.4 Rail-mount transmitter (Ex and Non-Ex)
1 Hook the upper groove of the transmitter onto the rail.
2 Press the lower part of the transmitter against the rail.
i When you hear a "click" from the snap fastener, the transmitter is fixed onto the rail
(drawing in the centre).
3 To remove the transmitter, use a small screwdriver to push the snap fastener downwards.
4 Carefully move the lower part of the transmitter in the forward direction and then upwards.
DANGER!
Never install or operate the Non-Ex version in potentially explosive areas, it might cause an
explosion that can result in fatal injuries! The rail-mounted transmitter TT 30 R Ex must NOT be
mounted in potentially hazardous area BUT might be connected to classified hazardous location!
Also note the following items which concern the Ex version:
• It is approved for mounting into safe, non-hazardous area with the input connected to
potentially explosive area, zone 0, 1 and 2.
• It must be supplied by an intrinsically safe power supply unit or a Zener barrier placed
outside of the potentially explosive area.
CAUTION!
The manufacturer has developed the Non-Ex version for an operating temperature range of
-20...+70°C / -4...+158°F (the Ex version has the same ambient temperature range). To avoid
destruction or damage of the device, always note the following items:
• Assure that the operating temperature or the ambient temperature does not exceed the
permissible range.
INFORMATION!
The rail-mount transmitter is intended for installation on a rail according to DIN 50022.
Figure 3-2: Installation of the rail-mount version
.book Page 18 Friday, November 9, 2012 3:50 PM