PRODUCT INTRODUCTION
11
ENGLISH
What to do before operation
Operation Indication Lamps
If your installation has a customized control system,
ask your LG dealer for 
the operation that corresponds to your system.
1: Unit with remote controller
2: Unit without remote controller (when used as si-
multaneous operation)
: Lights up during the system operation.
Filter Sign : Lights up after 2400 hours from the time of first operating unit.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or Hot Start operation.(Heat pump model only)
On/Off 
Forced
•
: To operate the unit when the remote control can't be used
  for any reason.
1,MFL67870326,영영  17. 7. 18.  영영 3:27  Page 11