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Alarm Removal and Battery Replacement
21
The CO sensor meets the alarm response time requirements of UL
standard 2034. Standard alarm times are as follows:
At 70 PPM, the unit must alarm within 60-240 minutes.
At 150 PPM, the unit must alarm within 10-50 minutes.
At 400 PPM, the unit must alarm within 4-15 minutes.
This carbon monoxide alarm is designed to detect carbon
monoxide gas from ANY source of combustion. It is NOT
designed to detect any other gas.
Fire Departments, most utility companies and HVAC contractors
will perform CO inspections, some may charge for this service.
It’s advisable to inquire about any applicable fees prior to having
the service performed. Kidde Safety will not pay for, or reimburse,
the owner or user of this product, for any repair or dispatch calls
related to the alarm sounding.
Alarm Removal
IF TAMPER RESIST FEATURE HAS BEEN ACTIVATED, REFER
TO TAMPER RESIST FEATURE DESCRIPTION ON PAGE 19 FOR
REMOVAL INSTRUCTIONS.
Remove the alarm from the mounting bracket by rotating the
alarm in the direction of the “OFF” arrow on the cover. To
disconnect the AC power harness, squeeze the locking arms on
the sides of the Quick Connector while pulling the connector
away from the bottom of the alarm (see page 13, figure 4).
Battery Replacement
(For model KN-COSM-IB only)
If any form of battery failure is detected the red LED light will
flash and the unit will “chirp” one time, followed by the warning
message “LOW BATTERY”. This cycle will occur once every
minute, and will continue for at least seven days.
If the red LED light flashes along with a chirp every 30
seconds, and is not followed by the voice message “LOW
BATTERY” as described above, your unit has malfunctioned.
Call our toll free Consumer Hotline at 1-800-880-6788 for
instructions on how to return the unit.
2508-7201-07(810-1512N):_ 2011.5.3 9:05 AM Page 23