Dräger Polytron 3000, Инструкция по эксплуатации

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Installing the transmitter
10
Installing the transmitters in non-explosion-hazard areas
Installing the measuring unit Dräger Polytron 3000

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 (marking in the docking station) 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 measuring unit Dräger Polytron 3000.
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 sok-
ket on the printed circuit board.
1 Turn the eccentric catches clockwise with an Allen key to lock the measuring unit
(

= approx. 180
o
).
CAUTION
The explosion-protection markings has to be removed from the transmitter. Once
the transmitter has been used after installation in this manner, it may never be
installed in explosion-hazard areas.
CAUTION
Use only a 5 mm Allen key without a ball head.
00533020_1_en.eps
Non-explosion-hazard area
Control unit
4 ... 20 mA
0 V
+
–
+
4 to 20 mA
+24 V
Ex-hazard area, zone 2 or non explosion-hazard area
00623758_1.eps
2
3
1