CO2 Meter RAD-0002-ZR Manual do utilizador e manual de instalação - Página 9
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SEU (Sensor Unit)
The large LCD displays the ambient O2 concentration.
The SEU has the "DIAG", "O2 AL1", "O2 AL2","O2 AL3", "O2 CALI", "RCFS" function.
The "DIAG" function executes communication tests between the SEU and RDU. The
user can do the calibration under the "CALI" mode when necessary. If data setting is
done incorrectly, the user can use the "ReFactSet" mode back to the original factory
setting.
There are three alarm levels AL1 / AL2 / AL3 for O2 depletion monitoring, these alarm
levels are adjustable.
• The AL1 is 19.5%.
• The AL2 is 16.5%.
• The AL3 is 12%.
When the RAD-0002 Monitor detects O2 value lower than the O2 AL1 set value, Alarm
1 LED, Fault LED ,Relay 1, Audible, and connected strobe will trigger, until RESET on
SEU.
When O2 levels continue depleting and drop below O2 AL2 set value: Alarm 1 LED,
Alarm2 LED, Relay 1, Relay2, Audible, Strobe, Fault LED will trigger, until RESET on
SEU.
When O2 levels continue to deplete, and below O2 AL3: operate Alarm 1 LED,
Alarm2 LED, Alarm3 LED, Fault indicator LED, Relay 1, Relay2, Audible, Strobe,
till RESET on SEU.
If the communication cable between the SEU & RDU is not connected properly, the
fault LED of SEU will blink, this is an indication that the user must reconnect the
cable. If the communication cable is inserted into the wrong port on RDU, in one
minute, the "Er7" will flash on RDU LCD.
Please plug it into the right port on RDU, the unit will work normally after corrective
action.
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(Configurable to 15.5, 16, 16.5, 17, 17.5, 18, 18.5, 19, 19.5, 20).
(Configurable to 12.5, 13, 13.5, 14, 14.5, 15, 15.5, 16, 16.5).