Electrical connections
24
Installing the measuring unit Dräger Polytron 7000
● Remove the rain cover from the previously installed docking station.
● Examine seal for signs of dirt and clean if necessary.
1 Check position of eccentric catches and correct if necessary.
The eccentric opening must point upwards, engaged position.
● Check the polarity and cable routing and check that the connector is securely
seated; rectify as necessary (see the installation notes for the Polytron docking
station).
● Unpack the Dräger Polytron 7000 measuring unit.
Setting the switch for the backup battery
● Check the position of the switch on the bottom of the unit.
This switch must be set to "on"; otherwise, the time, date and data saved in the
Datalogger and the Event Logger will be lost in the case of a power failure.
2 Insert the measuring unit about halfway up the docking station and slide it in as
far as it will go.
3 Lower the unit along the front edge of the docking station. About 5 mm before its
hits the stop, the resistance will increase as the connector engages with the sock-
et on the printed circuit board.
1 Turn the eccentric catches clockwise with an Allen key to lock the measuring unit
(
⇒ = approx. 180
o
).
Attention!
Use only a 5 mm Allen key without a ball head.
Note!
Check that the terminals in the docking station are correctly aligned if the
connector does not engage correctly!
Note:
Ensure that the front bottom of the measuring unit is flush with the bottom
of the Docking Station. Apply pressure to the measuring unit until it
"clicks" into place. If the fronts are not flush, the measuring unit is not
completely sealed and could get water inside the transmitter!
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