Trane MCC 518 ZB Owner's Manual page 8

Infrared Receiver
8
Display Unit
Four lamps on the display unit show operating status.
POWER RUN TIMER PROTECT
Emergency Operation Key
- This button ca be used as emergency operation when remote
controller is not available
POWER LED
- This lamp lights for showing power on/off status
RUN LED
- This lamp lights for showing operating status of the
air-conditioner
TIMER LED
- This lamp lights for showing programmable timer status
PROTECT LED
- This lamp lights for showing operating status failure
Emergency Operation Key
MCC-SVU02A-EN