Fire-Lite CHG-75 Battery Charger - Manual (Page 25)

Powering the Charger Operation
CHG-75 PN 51315:A 08/01/01 25
SECTION 3
Operation
3.1 Powering the Charger
WARNING! Prior to applying power to the charger, perform the following check list:
❒ Follow the installation instructions described in the section titled "Installation
and Configuration" on page 10
❒ Verify the proper polarity on all connections between the charger and the
batteries, loads and optional meters
❒ Make sure there are no short circuits between leads and between battery
terminals. Also, check to make certain that jumpers which have been cut are not
shorting together or to other components on the circuit board
❒ Make sure the Battery Interconnect Cable(s) is not connected
To power the charger, perform the following steps:
1. Apply AC power to the charger. The Trouble LED should turn on
2. Connect the batteries to the charger
3. Connect the Battery Interconnect Cable(s). The Trouble LED should turn off
4. Connect the charger to the load (such as a power supply, amplifier, FACP with
local charger disabled, etc.)
3.2 LED Status Indicators
The CHG-75 provides six LED status indicators as illustrated in Figure 3.1.
J P 3
S W 1
J P 4
T B 3 T B 4
T B 2
E N A B L E
A C D E LA Y
1 6 H R
D E L AY
T E N S
O N E S
G N D F LT
D IS A B LE
A M -1 EN A B L E
A D D R E S S
O N O F F
A M -1
J P 5
J P 2
F 2
J 4
J 1 J 2 J 3
F 3
OU
T
+
BA
T
+
OU
T
-
BA
T
-
15
15
A- B- A+ B + NC NO C
0
4 3 9
2
6
1
5 7
8
12
13
15
14
10
11
0
4 3 9
2
6
1
5 7
8
12
13
15
14
10
11
Figure 3.1 LED Status Indicators
SLC - green LED indicates SLC communication with FACP
AC POWER - green LED indicates AC power present
GND FLT - yellow LED indicates a ground fault on the charger
TBL - yellow LED indicates a local charger trouble
CHGING - yellow LED indicates batteries are being charged
LOW BAT - yellow LED indicates a low battery condition
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