Service Overview - Mitsubishi Electric CAHV-R450YA-HPB Service Manual

[ XI USB Function ]

[1] Service Overview

XI U SB Function
<1> Function Overview
The control board has a USB port that allows the use of the following two functions.
1. Software rewrite function
The software on outdoor units can be rewritten using a USB memory stick.
For detailed information about each function, refer to Section "XI [2] Software Rewrite Function on the USB".
For information regarding the maintenance LED display content and regarding troubleshooting, refer to Section "XI [3]
Maintenance LED Display and Troubleshooting".
<2> System Structure
(1) Control board on the unit
LD301
Maintenance LED
SW7-9
CNUSB
HWE22020
CN601
- 175 -
SWP3
Push switch
(Function setting)
GB