New Cosmos Electric KS-7R, Инструкция по эксплуатации

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7-4-5. Alarm Test [Mode 4]
When an alarm test is executed, the alarm test value (concentration) will be displayed on the LCD,
and corresponding analog output and alarm outputs (gas alarm relay contacts, audio alarm, alarm
lights) will activate. This will allow the user to test the alarm operation.
1) Enter User mode. Press the
▲
/
▼
button to select
“4”.
(each press of the button is followed by one beep)
“AL T” and “4” will be alternately displayed.
2) Press the maintenance button. (one beep).
The current alarm test value (ppm) will be
displayed.
3) To change the alarm test value (ppm), press the
▲
/
▼
button.
4) Press and hold the maintenance button for three
seconds to start an alarm test. (two beeps)
5) To cancel the ongoing alarm test, press the RESET
button. (one beep) The current alarm test value (ppm)
will be displayed.
(Note: If the RESET button is pressed and held, the
alarm will not be cancelled and the unit will return to
normal operation mode.)
6) To change the test value, repeat steps 3) to 5).
7) Press and hold the RESET button for five seconds to
return to normal operation mode.
(E.g. Test value is
currently set to 2000 ppm)
(E.g. Test value is
changed to 5000 ppm)
To increase/decrease the test value,
press the
▲
/
▼
button. Holding the
button continuously
increases/decreases the value.
NOTE
▪
An alarm test activates the alarm relay contacts of the detector. If the alarm relay contact
outputs are used to interlock external devices, release the interlocks before the alarm test,
if necessary. Notify those concerned before starting gas detection system inspection.
▪
Observe applicable laws and regulations.
CAUTION
▪
If the unit is in Maintenance mode, the gas alarm relay contacts and gas alarm
audio are disabled (alarm lights and analog outputs are active).
▪
The possible test value range is from 0 to 5000 ppm.
NOTE