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Installation
Circuit breakers
P/N 73-16-606
1
-48V
RTN
-48V
4
Using a DMM, measure the battery string voltage at the connector bus in the battery drawer. Connect the
DMM probes at the top of the open connectors for each end of the string as shown in
If the probes are too short, remove any protective covers from the batteries, and connect the
DMM probes to the battery terminals at the ends of the string.
5
Verify that the battery string voltage is within the range of -50.0 to -56.0 Vdc.
36
-48V terminal
Strip
TOTAL AMPERAGE
OUTPUT
BREAKERS-80A MAX
GMT FUSES-50A MAX
COMBINED-80A MAX
2
3
4
5
6
RTN
-48V
RTN
-48V
RTN
-48V
RTN
-48V
RTN
-48V
MAX BREAKER 30A
Figure 30. Distribution Panel Controls and Indicators
Battery drawer
STRING 1
BATT1
BATT4 BATT5
Figure 31. Battery Bus Connector Locations - 12V Batteries
Battery drawer
BATT1
Figure 32. Battery Bus Connector Locations - 6V Batteries
November 9, 2001
Battery
disconnect panel
Fuses
MAX FUSE 15A
1
5
10
15
20
1
2
3
4
5
6
7
8
9
10
11
12
13
-48V
RTN
1
2
3
4
5
6
7
8
9
10
11
12
STRING 2
BATT8
Battery
connector bus
Battery
connector bus
BATT8
LTPS-UM-8007-01, Issue 1
BATTERY
DISCONNECT
BATTERY
FUSE
TEST
ALARM
DISCONNECT
ALARM
BATTERY DISCONNECT
14
15
16
17
18
19
20
NO
C
NC
-48V
RTN
13
14
15
16
17
18
19
20
NO
C
NC
FUSE ALARM
Figure 31
or
Figure
SPX-CABFIN01, SPX-CABFIN04
32.
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