New Cosmos Electric KS-7D, Instruction Manual

Page: 15 / 40

- 13 -
3) Follow steps 7, 8, and 10 of 5.
“Installation”,
close the cover and tighten the screws.
7. Slide the cover down (cover is closed)
8. While pressing down the cover toward the case,
10. secure the screw cover to the case with the
two fastening screws.
4) Press and hold the POWER button for 3 seconds to turn on the detector. (two beeps) The three
green LEDs inside the status indicator start flashing and
“- - - -” is displayed on the LCD. The
warm-up cycle lasts 90 seconds.
5) When the warm-up cycle is completed, the three green flashing LEDs inside the status indicator
become solid, the gas concentration is displayed on the LCD, and normal operation starts.
6) Perform an alarm test. (Refer to 7-4-5.
“Alarm Test”)
Confirm that an alarm activates.
7) To turn off the detector, press and hold the POWER button for 3 seconds to stop the operation,
then set the main power switch to the off (down) position.
Status indicator
LCD
POWER button
CAUTION
Secure the cover by tightening the
two fastening screws. Proper gas
detection is not possible if the cover
is not tightly closed.
Once the POWER button is turned off, the backup power is not available.
Backup power is available if the main power switch is turned off, as long as the
POWER button is in the on position.
NOTE
If the indicated carbon monoxide concentration value is negative when the unit is turned on,
turn off the unit for approx. one hour to let the sensor stabilize, then turn it on again.
CAUTION
Warm-up operation Normal operation