Relay Module - Dräger Polytron 7000 Instructions For Use Manual

Installing accessories

Relay module

Intended use
Relay module – to order:
— For switching of actuators, alarm generators, etc. on the basis of the meas-
ured gas concentration.
— The unit must be disconnected from the mains!
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. The explosion-protection markings has to be removed from the
transmitter.
The use of the Polytron 7000 with a pump module and/or relay module
installed is not permitted in explosion-hazard areas! Explosion hazard!
For operation with the relay module, the transmitter must have a 3-wire con-
nection to the control unit.
Preparing the docking station
Remove any existing 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.
Converting the measuring unit
3 Bend the snap-hooks on the cover of the measuring unit slightly outwards
to release them.
Remove the cover.

32
CAUTION
NOTE
 o
= approx. 180 ).
CAUTION
2
1
Polytron
3
OK
3