5-10
PowerWAVE 9000 DPA UPS - UPS Module Replacement
(Issue 2.1 Oct. 2009)
7.
Press both “ON/OFF” Buttons simultaneously to start up UPS.
LCD panel must display: “LOAD DISCONNECTED PARALLEL
SWITCH OPEN” and the LED display will indicate as shown below:
8.
Transfer load to mains and inverter for testing using submenu
COMMANDS
9.
Transfer Load to Bypass Mode by means of COMMAND “LOAD
TO BYPASS
10. Verify the status LOAD ON BYPASS
11. Verify that the remaining UPS Modules are also on Bypass;
12. If all three UPS Modules are on Bypass, Close Parallel Isolator
Switch of New Module (position ON); on LCD should appear
“PARALLEL SW IS CLOSED”.
13. Open Maintenance Bypass (IA1) by turning it to position “OFF”. The
load is now supplied by the static bypass of all three Modules. Check
LED indicators on control panels.
14. Transfer load to Inverter Mode by means of COMMAND “LOAD TO
INVERTER” on any one of three control panels. On LCD: “LOAD
PROTECTED” will appear and the LED display will show:
THE LOAD IS NOW PROTECTED BY THE UPS
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
Green
INVERTER
OFF
BATTERY
Green
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
Green
INVERTER
OFF
BATTERY
Green
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
OFF
INVERTER
Green
BATTERY
Green