JUMO 902930 Wtrans Transmitter RTD Temperature Probe with Ex approval Operating Manual - Manual (Page 26)

3 Preparing Transmitter
26
Figure 3: Inserting/changing the battery
To insert/change the battery proceed as follows:
Step Activity
1 Screw open the case counter-clockwise and pull off case cover.
2 Pull the circuit board out of the case by approx. 25 mm.
Never damage or remove the blue safety cable.
3 Undo the screw terminals of the minus and plus pole using a screwdriver.
Remove the battery if empty.
4 Insert the plus pole of the new battery into the (+) screw terminal.
Swivel the battery and insert the minus pole into the (-) screw terminal.
5 Tighten the screw terminals of the minus and plus pole using a screwdriver.
6 Slide the circuit board back into the case up to the stop.
7 Hold the case vertically (as shown in the figure) and, going clockwise, tightly screw
together the case with the case cover.
While doing so, ensure the correct seating of the two seals 7.1 and 7.2 on the case and
case cover.
The case and the case cover are correctly screwed together if no gap can be seen!