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English
DAISY CHAINING
(QUALIFIED SERVICE PERSONNEL ONLY)
"Daisy Chaining" means hooking one Battery Pack to another Battery Pack to
another Battery Pack, this chain could go on indefinitely. Follow the steps
below to Daisy Chain the Battery Packs.
1. Be sure to read the installation placement procedure, all of the cautions and
the safety precautions before Daisy Chaining the Battery Pack(s).
2. Make sure that the DC circuit breakers on the rear panel of the Battery
Packs are in the Off position. CAUTION: If the Battery Pack's DC circuit
breaker is in the On position, the battery voltage will be present at the open
end of the Battery Pack's external battery cable and external battery con-
nector.
3. Turn the UPS off and disconnect the UPS's input power cord from the AC
wall outlet.
4. Remove the External Battery Connector cover from the UPS's rear panel and
the additional Battery Packs.
5. Verify, before plugging the external battery cable into the UPS's external
battery connector or the Battery Pack's external connector that they mate
red to red and black to black.
6. Connect the external battery cable from the first Battery Pack to the exter-
nal battery connector on the UPS.
7. Connect the external battery cable from the second Battery Pack to the ex-
ternal battery connector on the first Battery Pack.
8. Turn ALL of the DC circuit breakers on the rear panel of the Battery Packs
to the On position.
9. The Battery Packs are ready for normal operation, see the UPS User's
Manual for the normal startup of the UPS.
NOTE: There is no maximum number for Daisy Chaining the DC bus voltage for
the Battery Packs.
CONNECTING THE BATTERY PACK
(QUALIFIED SERVICE PERSONNEL ONLY)
NOTE: When using these Battery Packs the UPS must be configured so
that the UPS will report the correct estimated runtime in the SentryPlus
software or the SNMP card and to make the Battery capacity bar graph
LEDs display properly. See the SentryPlus software or the SNMP-NET
card User’s Manual to configure the UPS.
English
Number of External Battery Packs to enter in
the SentryPlus software and/or the SNMP card
BP24RTEXL
5
Model
BP36RTEXL
3
BP48RTEXL
3
BP72RTEXL
3
1. Be sure to read the installation placement procedure, all of the cautions and
the safety precautions before connecting the Battery Pack(s).
2. Make sure that the DC circuit breaker on the rear panel of the Battery Pack
is in the Off position. CAUTION: If the Battery Pack's DC circuit breaker
is in the On position, the battery voltage will be present at the open end of
the Battery Pack's external battery cable and external battery connector.
3. Turn the UPS off and disconnect the UPS's input power cord from the AC
wall outlet.
4. Remove the External Battery Connector cover from the UPS's rear panel.
5. Verify, before connecting the Battery Pack's external battery cable into the
UPS's external battery connector, that they mate red to red and black to
black. NOTE: The red connector is the battery positive (+) and the black
connector is the battery negative (-). Connect the external battery cable
from the Battery Pack to the external battery connector on the UPS. NOTE:
If connecting more than one Battery Pack see Daisy Chaining.
6. Turn the DC circuit breaker on the rear panel of the Battery Pack to the On
position.
7. The Battery Packs are ready for normal operation, see the UPS User's
Manual for the normal startup of the UPS.
