325.6610.17 - 8 -
SPECIFIC After making Sensor/Transmitter electrical connections, care must be taken to replace the
CAUTIONS Sensor/Transmitter wiring box cover properly. The wiring box is not perfectly square (refer to
Figure 2-2) and the cover must be aligned properly to the box in order for the gasket to seal
the box properly. (pg.17)
In SETUP, ALARM, and DATA modes, gas monitoring continues to take place even though
concentration values are not shown on the display. However, when in SETUP, selection of
CALIBRATE, SELF-TEST, or SENSOR-CHECK functions will temporarily suspend normal gas
monitoring. (pg.24)
When power is restored after a power failure, displayed averages will be reset and valid data
will not be available until 15 minutes or 8 hours have been accumulated for the STEL and TWA
modes respectively. (pg.30)
Averaging data will be accumulated from the time the RUN CALIBRATION key is pressed until
the calibration process is actually begun by activating the Sensor’s magnetic switch. Once
Calibration has been activated, data accumulation is sus pended until Calibration is completed.
Data accumulation is suspended during SENSOR CHECK, CALIBRATION (begins when the
sensors magnetic switch is activated) and SELF-TEST. (pg.30)
If the measured gas concentration exceeds the maximum range, the data will be accumulated
at the maximum range rate. The average data after the over-range event will be in error for
the next averaging period. The over-range event is displayed and may also be retrieved from
the data archive. If the instrument is set up such that alarm level 3 is at the maximum range,
remote notification of this type of occurrence is possible. (pg.30)
The value of the gas concentration entered must be within the range selected from the SENSOR
TYPE menu (refer to section 4.4.2.2.2), otherwise an erroneous operation will result. (pg.55)
If cleaning of the sensor housing is performed, do not clean the Sensor/Transmitting housing
with cleaners containing strong mineral acids or organic solvents such as ketones, chlorinated
hydrocarbons, or aromatics. Using such cleaners may damage the housing materials. Cleaning
of the sensor housing materials should only be performed using soap and water. (pg.81)
Sensor removal must be done by pulling the sensor from the circuit board without rotating or
twisting the sensor. Rotation will cause serious damage to the sensor pins. (pg.82)
READ FIRST
WARNING
INSTRUCTION MANUALS
Do not install, maintain, or operate this equipment without reading, understanding and
following the proper De Nora Water Technologies instructions and manuals, otherwise
injury or damage may result.
RETURN OF EQUIPMENT
All equipment being returned to De Nora Water Technologies for repair must be
free of any hazardous materials. Contact De Nora Water Technologies for authorization
prior to returning equipment.
This instruction bulletin contains general operating information about the Chloralert™ Plus Multi-Gas Detector as well
as instructions for installation and troubleshooting.
Read these instructions before starting installation.
Save these instructions for future reference.
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