5-4
PowerWAVE 9000 DPA UPS - UPS Module Replacement
(Issue 2.1 Oct. 2009)
9.
Transfer Load to Bypass Mode by means of COMMAND “LOAD
TO BYPASS”
10. Verify the status (Load on Bypass, Eco Mode) by checking the LED
display will indicate as shown below:
11. Close Parallel Isolator (IA2);
12. Open Maintenance Bypass (IA1) by turning it to position “OFF”. The
load is now supplied by the static bypass.
13. Transfer load to Inverter Mode by means of COMMAND “LOAD TO
INVERTER”. On LCD: “LOAD PROTECTED” will appear.
THE LOAD IS NOW PROTECTED BY THE UPS
5.2 Replacement of UPS Module in Redundant Multi-Module System
ALL THE OPERATIONS IN THIS SECTION MUST BE PERFORMED BY
AUTHORISED ELECTRICIANS OR BY QUALIFIED INTERNAL
TRAINED PERSONNEL.
BY OPENING OR REMOVING THE UPS MODULES AND MODULE
COVERS YOU RUN RISK OF EXPOSURE TO DANGEROUS
VOLTAGES!
BEFORE REMOVING A UPS MODULE MAKE SURE THE INTERNAL
DC CAPACITORS HAVE BEEN DISCHARGED FOR AT LEAST 2
MINUTES.
NEVER LEAVE THE UPS MODULE COMPARTMENT WITHOUT AN
APPROPRIATE PROTECTION COVER
UNINTERRUPTIBLE POWER SUPPLIES LTD. WILL NOT TAKE
RESPONSIBILITY OR BE LIABLE FOR PERSONNEL INJURIES OR
MATERIAL DAMAGES CAUSED BY IMPROPER MANIPULATION OF
THE UPS, OR BY INCORRECT CABLING. THE PROPER
INSTALLATION AND USAGE INSTRUCTIONS OF THE UPS ARE
DESCRIBED WITHIN THIS MANUAL AND MUST BE STRICTLY
ADHERED TO.
LED Indicator
Colour
LINE 1
Green
LINE 2
Green
BYPASS
Green
INVERTER
OFF
BATTERY
Green
