HP PowerTrust A3589A, Manual, Page: 235 / 257

Appendix D D-17
Field Replaceable Units
Removal and Replacement Procedures
NOTE After installing the Hardwire Conversion Kit, power-on the load, check that
the computer is not performing critical processes, then repeat the load test.
For procedures, refer to “Load Testing” in Chapter 5.
Also, after installing replacement UPS equipment, test it by power failing the
UPS. For procedures, refer to “Power Failing the UPS” in Appendix C.
Removing and Replacing North American Conversion Kit
WARNING The following procedure should be performed by a qualified
electrician only.
The North American Conversion Kit contains the following items:
1- Metal plate preassembled with a 3-pin L6-30 twist-lock receptacle and a line cord
4- Torx screws (#25 10-32 x 1/2')
2- Labels
Tools required:
• #25 Torx driver
• Flat blade screwdriver
Removing the existing conversion plate (if any):
1. If the UPS is operating, shut it down using the following procedure:
a. Turn the Output On/Output Off switch to
Output Off
.
b. Turn the UPS/BATTERY switch to
DISABLE
.
c. Turn OFF the MAIN INPUT circuit breaker.
d. DISCONNECT THE LINE CORD FROM THE AC SOURCE.
2. Remove the four Torx screws holding the left Access Panel (see
4
in Figure 1-3) on the
rear panel and remove the panel.
3. Disconnect the input and output wires by loosening the screws on the terminal block.
See Figure D-2.
4. Remove the four Torx screws holding the conversion plate on the right and remove it.