439 S Stoddard Ave
San Bernardino, CA 92401
Ph: 1.877.DSPM POWER
1.877.377.6769
Title:
Single Phase
Doc No.: 074
-
3000
-
AEC
Rev: NR
Page#:
-
34
-
Description:
Emergency Lighting Inverter Maintenance Manual
Date: 08/28/2020
3.
DISCONNECTING BAT-
TERY TERMINALS.
4.
ARE RE-
MOVED DURING INSTALLATION AND MAINTENANCE.
5.
BE
FOLLOWED:
❖
DO NOT SMOKE WHEN NEAR BATTERIES.
❖
DO NOT CAUSE FLAME OR SPARK IN BATTERY AREA.
8.
TOUCH-
ING BATTERIES BY FIRST TOUCHING A GROUNDED SURFACE.
MAKE SURE THE PROPER POLARITY IS OBSERVED. DC BUS VOLTAGE FOR A TWEN-
TY (20) BATTERY STRING SHOULD BE BETWEEN 240 AND 272 VDC AS TESTED AT THE
TOP OF CB2 (REFER TO FIGURE 12A, B—SYSTEM COMPONENT LAYOUT).
AFTER SERVICING THE BATTERIES, ENSURE THAT EACH STRING (EACH STRING IS 20
BATTERIES TOTAL) CONSIST OF THE NUMBER OF BATTERIES INDICATED BY THE
BATTERY LAYOUT AND THE MEASURED VOLTAGE FROM THE FIRST TO THE LAST
BATTERY IS WITHIN THE VOLTAGE RANGE STATED ABOVE
4.4.6. CHARGING OF THE BATTERIES
The Emergency Lighting Inverter System charges its battery whenever it is connected to utility
power and the input circuit breakers (CB1) is turned on. Disconnect charging source prior to con-
necting or disconnecting
For the best results, charge the battery for 24 hours
after they are hooked up and the ELI is brought on line.
