Dräger Polytron 8000 Series Technical Manual page 29

2. Loosen set-screw, 2mm Allen screw.
3. Unscrew bayonet ring and remove blank or old sensor.
4. Insert sensor into the opening. The Dräger logo on the sensor must point to the
mark on the sensing head housing.
5. Lock sensor with bayonet ring.
6. Tighten set-screw.
Mandatory for Zone 22 installations.
C
2
Fig. 5
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Technical Manual
Dräger Polytron
1
5
4
3
Inserting EC sensor
®
8000 Series
Installation
29