INSPECTION AND MAINTENANCE
PAGE 28 REV. 02 2012-MAY-18
CHECKFIRE MP-N Electric
Detection and Actuation System Manual
MAINTENANCE (Continued)
12. Yearly – Remove control module cover screws and replace
internal 3.6 VDC lithium battery, Part No. 427308.
The battery is supplied with two separate plug-in connectors.
One connector is used for plugging into MP-N modules and
the other connector is used for plugging into SC-N modules.
Do not cut off unused connector assembly. It must remian on
battery module even though it is not used. Simply tuck the
extra connector assembly along side the battery module
when installing the cover.
Refer to Installation Section for New Battery Installation
instructions, Page 19.
Record date of new battery installation on label located near
battery. Reinstall control module cover and depress “RESET”
button.
Contact your local waste management company for inform a -
tion concerning the correct disposal of lithium batteries.
13. Reinstall LT-10-R cartridge, Part No. 423423, by completing
the following steps:
a. Make certain puncture pin is fully retracted and insert ring
pin through actuator body into puncture pin shaft. Attach
visual inspection seal, Part No. 197.
b. Remove shipping cap and weigh cartridge before installing.
Replace if weight is 1/4 ounce (7.1 g) or more below weight
stamped on LT-10-R cartridge. (Shipping Part No. 423423).
c. Screw cartridge into actuator body and hand tighten.
14. Reset any auxiliary shutdown and alarm equipment in accor-
dance with manufacturerʼs instructions.
15. Record date of maintenance on an affixed tag or in a perma-
nent record file.
!
CAUTION
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CAUTION
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