PowerWAVE 9000 DPA UPS - Operation
4-15
(Issue 2.1 Oct. 2009)
14.
Open Maintenance Bypass Switch IA1
On LCD: “MANUAL BYP IS OPEN” will appear followed by
“LOAD NOT PROTECTED”
15.
Check on LCD, via MEASUREMENTS MENU, the Output
Powers, Voltages Currents and Frequencies.
16.
Load transfer to Inverter
Go to Menu COMMANDS and choose command “LOAD TO
INVERTER” and transfer the load to inverter on control panel
of UPS-System.
On LCD: “LOAD PROTECTED” will appear.
17.
Check the output Voltages and Currents once again.
THE LOAD IS NOW PROTECTED BY THE UPS
4.6 Shutdown
Procedure
ALL THE OPERATIONS IN THIS SECTION MUST BE PERFORMED BY
AUTHORISED ELECTRICIANS OR BY QUALIFIED INTERNAL
PERSONNEL.
The PowerWAVE 9000 DPA UPS may be shutdown completely if the load
does not need input power for an extended period of time.
It may be switched to Maintenance Bypass Mode for service or
maintenance purposes, or transferred to the OFF-Line Mode if the load
does not need the highest degree of protection.
The load may be disconnected by means of the two ON/OFF (LOAD-OFF)
push buttons. Two buttons are used for added security.
4.6.1 Complete UPS Shut Down procedure
THE UPS MAY BE SHUT DOWN COMPLETELY IF THE LOAD HAS NO
POWER REQUIREMENT. THEREFORE THE FOLLOWING STEPS ARE
TO BE PERFORMED ONLY AFTER THE LOAD HAS BEEN
DISCONNECTED AND DOES NOT REQUIRE A POWER SUPPLY.
SIMULTANEOUS ACTIVATION OF BOTH ON/OFF BUTTONS DURING
NORMAL OPERATION WILL SWITCH OFF THE UPS OUTPUT AND NO
LONGER SUPPLY POWER TO THE LOAD.
1.
Ensure that the loads have been shutdown and there is no further need
to supply load power.
2.
Once the loads have all been disconnected, press simultaneously the
two ON/OFF buttons on the control panel of each module.
a) The LCD panel will indicate: “LOAD OFF, SUPPLY FAILURE”.
