Sensaphone 1800 - Manual (Page 110)

Sensaphone 1800 Manual
108
APPENDIX B: Replacing the Back-up Battery
The back-up battery will provide about 4–5 years of service life
depending on usage and temperature. After 5 years (or when back-
up time is insufficient) the battery should be replaced. Replacement
batteries can be ordered from Sensaphone. To replace the battery,
follow the instructions below:
1. Turn the power switch off and unplug the power transformer.
2. Loosen the compression wiring connectors and allow 6-10" of
cable slack to come into the enclosure. This will make it easier
to turn the panel over.
3. Remove the four corner screws securing the keypad/pcb panel
and turn the panel over.
4. Remove the connectors from the battery by carefully pulling
and wiggling the connectors from the battery tabs.
5. Remove the screws holding the battery bracket and remove the
bracket.
6. Dispose/Recycle the old battery following local disposal
regulations for lead batteries.
7. Insert the new replacement battery into the slot and replace the
bracket. Secure the bracket with the two screws.
8. Attach the battery connector at the end of the BLACK wire to
the - (negative) terminal of the new battery.
9. Attach the battery connector at the end of the RED wire to the
+ (positive) terminal of the new battery.
10. Place the main panel over the four metal stand-offs and
reattach the four corner screws.
11. Readjust the cables through the compression connectors and
secure the fittings.
12. Plug the power transformer into the outlet and turn on the
power switch.