Model SK-5208 Fire Control/Communicator Installation and Operation Manual
3-10
P/N 151204
3.8
Backup Batteries
The control panel battery charge capacity is 7.0 to 35.0 AH. Use 12V batteries of the same AH
rating. Determine the correct AH rating as per your current load calculation (see 3.6.2).
Wire batteries in series to produce a 24-volt equivalent. Do not parallel batteries to increase
the AH rating.
Batteries larger than 18 AH (not to exceed 35 AH) use the RBB Remote Battery Box. It is
recommended that you replace the batteries every five years. The following steps and diagram
explain how to connect the batteries.
1. Connect the black wire to the negative (-) side of battery #1.
2. Connect the jumper wire provided (P/N 140694) from the positive (+) side of battery #1 to
the negative side of battery #2.
3. Connect the red wire to the positive (+) side of battery #2
Note: The total current draw on smoke power, accessory power, and notification device outputs must not exceed
6A.
Caution
Apply AC power before connecting the batteries to the power supply to prevent arcing on battery terminals.
Battery Jumper
(P/N 140694)
Shipped With Panel
RED
Black
UL Listed 12VDC Battery
UL Listed 12VDC Battery
Control Panel
Battery #2
Battery #1
Gell Cell
Gell Cell
Note: Replace batteries
every 5 years.
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Summary of Contents for SILENT KNIGHT SK-5208
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