AMI 210BR, Руководство пользователя

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AMI Analyzer Manual Installation Procedure
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The exact flow rate is not important – 1 SCFH is half way up the flow meter, so is easy to see. You want the
flow between about 0.5 SCFH and 2 SCFH at the maximum. Lower flows will result in longer response times.
Higher flow rates will tend to increase the pressure on the sensor which will increase the oxygen reading.
11. Install electrical seal-offs, preferably with electrical couplers. Don’t fill them yet.
This is critically important! The electrical safety of the analyzer is based on its being installed properly. If
you don’t seal off the explosion-proof enclosure you have just made an igniter for the first time you get a
gas leak. Explosion-proof seal-offs are devices that allow you to put potting compound around the wires
going into and out of the enclosure so that burning gases can’t get past them. This compound also means
that you can’t remove the wires in the future, and if you don’t use the universal couplers we recommend
(and can supply) it will be very hard for you to remove the analyzer in the future. The couplers allow you to
remove the analyzer without having to completely rewire it when you replace it.
Figure 3. Electrical connections
12. Connect power, relay contacts, analog output and RS485 if desired. Run the power and alarms in
one conduit, and the analog output and RS485 in the other. Note that you MUST use rigid conduit