Cosmos PS-7 - 7.2 Gas Alarm Operating Instructions

30
DC-ITD-PS7MAN01.A www.dodtec.com
JAN 2019 815-788-5200
PS-7 Manual
7.2 Gas Alarm Operating Instructions
When the concentration level of detected gas exceeds that of the preset alarm level, the alarm contacts are
activated after a set time delay, the ALARM lamp (red) blinks, and ALARM1 or ALARM2 is displayed on the
LCD screen.
* During the alarm time delay, ALARM1 or ALARM2 blinks on the LCD screen, but the alarm contacts are not
activated, and the ALARM lamp (red) does not blink.
When the concentration of detected gas drops back below the preset alarm level, it will automatically return
to normal.
Gas Alarm (1
st
Level)
Alarm 1
Gas Alarm (2
nd
Level)
Alarm 2
*When the 2nd level gas alarm is activated, both the
ALARM1 and ALARM2 will turn on.
○: On : Blinking ●: Off
Alarm level
LCD Screen
POWER
Lamp (Green)
TROUBLE
Lamp
(Yellow)
ALARM
Lamp
(Red)
Remarks
1
Gas alarm (1
st
level)
ALARM 1
○
●

2
Gas alarm (2
nd
level)
ALARM 1, ALARM 2
○
●

The ALARM lamp (red) will blink with the gas
alarm (1st level), or gas alarm (2nd level)