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Figure 16 illustrates the following points regarding the EMS-3000 Series System operation:
The PLC will activate both Medium and High outputs at the same time when the ozone level is
under the set low control point (0.020ppm).
The PLC will deactivate the High output when the ozone level reaches the medium control point
(0.030ppm).
The PLC will deactivate both the Medium and High outputs at the same time when the ozone
level is equal to or exceeds the high control point (0.040ppm).
Once the ozone level reaches the high control point, the PLC will wait until the ozone level returns
to equal or below the low control point before repeating the process over again. Since the PLC
will wait for ozone level to fall below the low control point (0.020ppm) before restarting the
whole process over again, it is possible for the ozone level to read 0.034ppm with both outputs
deactivated.
Ozone is a gas, and as such, the movement of ozone in the environment is dependent upon the
existing airflow within the environment.
To prevent shifts in temperature and to avoid decreases in the concentration levels of ozone, it is
important to keep the doors of the treated environment closed as much as possible.
Summary of Contents for EMS-3000 Series
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