12-1
Chapter 12
4914 auxiliary 24 volt converter
Description
The 4915 auxiliary 24V converter can be fitted to the 4910 power
supply to provide a 24V 1.5A auxiliary output.
Installation
The 4915 is a 12V to 24V DC/DC converter board which is mounted
on pillars on the chassis inside the power supply unit case.
1. Disconnect the power to the PSU.
2. Remove the cover by loosening the two fixing screws at the
bottom of the case, pulling it out at the bottom and sliding it
up to disengage the lug at the top of the case. Unplug the earth
cable from its spade connector so you can remove the cover
completely.
3. Press the 24V converter onto the four plastic pillars on the side
of the battery box. It must be fitted with the fuse at the top.
Auxiliary 24V converter
2
2
2
2
Battery management
board
Fuse
CONN1
CONN3
CONN2