System Structure - Mitsubishi Electric HP120TNU-A Service Handbook

[9-1 Service Overview ]
9-1-2

System Structure

(1) Control board on the outdoor unit
CN601
SW4
Dip switch
SW7-9
SW6-10
CNUSB
USB memory connector
2
- chapter 9
SWP3
Push switch
(Function setting)
LED301
Maintenance LED
HWE18220_GB