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568 Gibraltar Dr., Milpitas, CA 95035| +1 866 802 7961 | www.combausa.com
3
Rev 1.11 – 01-21-2021
Battery Backup Shipping Contents:
The BBU is shipped with the following. Please check accessories to ensure all are included:
1.
BBU Chassis
2.
(4) 55AH Batteries
3.
(3) Battery Jumper Cables
4.
(8) Sets of screws/washers for 4 batteries
5.
(8) Battery Terminal Caps
6.
(4) Liquid Tight Connectors
Note: For Comba Annunciator, See Annunciator Panel Manual.
Before Starting
Before beginning installation, check the batteries and chassis for any shipping damage. If there are any signs of
battery acid, cracked plastic around the batteries, or other deformities, contact Comba technical support for
assistance. Note that the batteries may be shipped with an electrical grease on the battery terminals to prevent
corrosion and oxidation.
Check the voltage of the batteries before installing. All batteries should be above 12.5V when installed. If the voltage
of any battery is below 12.5V, contact Comba technical support for assistance.
Cable Connection:
1.
Turn off AC Input Breaker and Battery Output Breaker
AC Input Breaker disconnects the AC supply to the Charger
Battery Output Breaker disconnects the Battery from the Load/Charger
