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Operation 93
b3. Find the Close Bypass switch (SW1) on the System Interface Board (Figure 11). Press this switch
to reset the System Bypass circuit breaker. Check the Monitor/Mimic screen to verify the breaker is
closed.
b4. Press two Reset Switches for Static Switch Disconnects behind door below SCC control panel
(see Figure 9).
b5. Set the Static Switch Disconnects to ON (closed).
c. If the UPS Bypass line is available, but not yet supplying power to the load, close the circuit breakers
(external to the UPS) required to provide power to the critical load equipment. Follow the three steps
shown below.
c1. Verify the Bypass Input Breaker (BIB) and System Bypass circuit breakers are closed.
c2. Close the Maintenance Isolation Breaker (MIB).
c3. Open the Maintenance Bypass Breaker (MBB).
Observe the Monitor/Mimic Display screen to confirm that the UPS Bypass line is energized and supplying
power to the critical load equipment.
At the System Control Cabinet (SCC), press the Select pad to put the Master Menu on the LCD display. Move
the highlighted cursor to Start-Up Procedures (use the Up and Down pads). Press the Select pad to display the
Start-Up Procedures screen. Return to this screen whenever you need to see the start-up instructions.
On the LCD display, select System Configuration from the Master Menu. Verify that all of the information con-
tained in the System Configuration screen is correct. When the data is correct, press the Select pad until the dis-
play returns to the Master Menu.
Perform a module start-up procedure at each module in your UPS system until all required modules are on-line.
Then return to the SCC to complete your UPS system start-up.
Use the Monitor/Mimic Display screen at the SCC to determine the condition of the UPS system. Press the
Alarm Reset pad to clear the Alarm Messages. Refer to Table 1 for an explanation of any remaining alarm mes-
sages (except Load On Bypass). Call Liebert Global Services if you cannot clear the remaining alarm messages.
If the only alarm message displayed is Load On Bypass, the UPS system is now ready to provide filtered, unin-
terruptible power to the critical load equipment. Refer to 3.3.2 - Load Transfer Procedures to retransfer the
load from the bypass line to the UPS system.
Figure 59 SCC Start-Up Procedures Screen
CAUTION
Be sure to operate Maintenance Bypass circuit breakers in the proper sequence.
START-UP PROCEDURES
1. Wait approximately two (2) minutes before attempting any other action .
2. Select "SYSTEM CONFIGURATION" screen to verify that the correct model number is
displayed.
3. Go to the modules(s) and follow the module "STARTUP PROCEDURES".
4. Select "MONITOR/MIMIC" screen, verify that the output voltages are at the
proper nominal level and correct number of modules online is displayed.
5. If the bypass or static switch breakers are open, refer to Start-up Procedures
in the UPS manual for instructions on closing these breakers.
6. System is now ready to assume load. Select "LOAD TRANSFER PROCEDURES"
screen for this procedure.
MASTER MENUSELECT :