Initial Start -U P And Electrical Checks - Liebert GXT2-4500RT230 User Manual

6.0 I S
NITIAL TART
1. Verify that the Input Output circuit breakers are off.
2. During initial system checks, disconnect all loads (open load disconnects).
3. Inspect all wiring, cables, and connection.
4. If external battery cabinets are used, verify that the battery interconnect cables are fully inserted
in the sockets.
5. If you are using a distribution box that includes a Manual Bypass Switch, place the switch in
BYPASS position.
6. Turn on the branch circuit disconnect to apply voltage to the input terminal block.
7. Using a voltmeter, verify the expected L1-N voltage.
If no Manual Bypass Switch is used, there will be no output voltage at this time. If a Manual
Bypass Switch is used, verify that the same voltages appear at the Output terminals. If a Manual
Bypass Switch is used, the Bypass lamp will light by the switch. If no manual bypass switch is
used, there will be no output voltage at this time.
8. After verifying proper input voltage to the UPS terminal block, turn off the branch circuit power,
close all access panels to the distribution box, and reapply input power.
9. Close the Input circuit breaker located on the distribution box. The green AC INPUT lamp should
illuminate on the front panel.
10. Press the ON button for 1 second. The BYPASS lamp will light for several seconds before the UPS
ON lamp turn on continuously. If the batteries are determined to charged above 80%, an
automatic battery test will run for about 15 seconds.
11. Close the Output circuit breaker on the rear of the UPS. If a Manual Bypass Switch is used, the
Inverter lamp by the switch will light. If a Manual Bypass Switch is used, transfer the switch to
the Inverter position. The output terminal block will be powered at this time.
12. Perform a Manual Battery Test - Press the ON button for 1 second. The front BATTERY lamp will
light for about 15 seconds and then return to only the UPS ON and AC INPUT lamps being on.
13. Review all setting option provided by the configuration program. Some changes require that the
UPS be OFF. If this is the case, these should be programmed before powering the loads. The
configuration program is described in the next section.
14. Connect all loads for normal operation.
-U E
P AND LECTRICAL
Initial Start-Up and Electrical Checks
C
HECKS
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