Pump Module - Dräger Polytron 7000 Instructions For Use Manual

Installing accessories
Pin assignments of the built-in plug on the relay module:
(see also the inside of the relay cover)
1 normally closed
2 common
3 normally open
4 not connected
Note the assignments of the relay outputs on the relay cover.

Insert and lock the plug.

Close the relay cover.


Pump module

Intended use
Pump module – to order:
1 For drawing measuring gas from a remote site into the Dräger Polytron
7000 transmitter.
If a Polytron 7000 is subsequently equipped with the relay module and/or
the pump module, the complete unit loses its explosion-protection approval.
The user must ensure that no related approval markings are left on the Poly-
tron 7000. Remove or cut away any existing approval label.
The use of the Polytron 7000 with a pump module and/or relay module
installed is not permitted in explosion-hazard areas! Explosion hazard!
Suitable explosion protection measures such as flame traps are required
when drawing measuring gas from potentially explosive atmospheres!
For operation with the pump module the electrical connection must be done
in 3-wire connection.
The Polytron 7000 must be disconnected from the supply voltage before the
pump module is installed. Explosion hazard!
Preparing the docking station
Remove any existing approval label/explosion-protection label from the

docking station.
1 Release the measuring unit with an Allen key by turning the eccentric catch-
es counter-clockwise (
Use only a 5 mm Allen key without a ball head.
2 Slide the measuring unit halfway upwards and then pull it forward out of the
docking station.
3 Special gush holes are provided on the left and right-hand sides of the sen-
sor recess.
The glass tubes of the pump can be inserted in these holes.
Punch or drill the holes all the way through the docking station from inside.
Each hole should have a 6 mm channel.
Then deburr the holes from the outside.
34
CAUTION
NOTE
CAUTION
o

= approx. 180 ).
CAUTION
2
3
1
4
2
1
3 3