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SBP20K Series User Manual8
Operation
Normal mode
While the SBP operates in normal mode, power is supplied to connected equipment from the UPS
providing protection from power variations and disturbances.
Test mode
1. Switch the UPS to Bypass mode. Verify that no UPS fault conditions exist. In the event that a fault
condition exists, refer to the user manuals for the UPS and SBP.
2. Switch the SBP to Test mode.
Note: While the SBP is in Test mode connected equipment receives direct utility power and is
not protected by the UPS.
The UPS will continue to receive input utility power.
The Equipment Protection Policy is not valid while the SBP is operating in Test mode.
Bypass mode
Bypass mode enables connected equipment to operate on utility power while UPS maintenance is
performed.
While in SBP Bypass mode the UPS will not receive utility input power. The UPS will receive battery
power while in SBP Bypass mode. Refer to the UPS user manual for shutdown procedures.
Note: Connected equipment is not protected by the UPS while the SBP is in Bypass mode.
The Equipment Protection Policy is not valid while the SBP is operating in Bypass mode.
Reconnect SBP to UPS
Bypass mode
1. Put the SBP in Bypass mode.
2. Correctly configure the input, output and battery connections on the UPS.
DO NOT turn on the UPS at this time.
Test mode
1. Switch the SBP to Test mode.
a.The connected equipment will receive direct input utility power.
b.The UPS will receive input utility power.
2. Verify that no UPS fault conditions exist. In the event that a fault condition exists, refer to the user manuals
for the UPS and SBP.
3. Turn on the UPS output power.
Normal mode
1. Switch the UPS to Bypass mode. Verify that no UPS fault conditions exist. In the event that a fault
condition exists, refer to the user manuals for the UPS and SBP.
2. Switch the SBP to Normal mode.
3. Switch the UPS to Online mode. Verify that no UPS fault conditions exist. In the event that a fault
condition exists, refer to the user manuals for the UPS and SBP.
The SBP will now supply power to connected equipment from the UPS providing protection from power
variations and disturbances.