LG 456394 User Manual

Page of 39
Ceiling Cassette-Type Air Conditioner
Product Introduction
Operation Indication Lamps
1: Indoor unit
2: Outdoor unit
3: Remote controller
4: Inlet air
5: Discharge air
6: Refrigerant piping, connection
electric wire
7: Drain pipe
8: Ground wire 
Wire to ground outdoor unit to
prevent electrical shocks.
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 simultaneous operation)
Multi system
Pair system or simultaneous operation system
3
6
2
8
: 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 
1
5
Forced
: To operate the unit when the remote control can't be used
  for any reason.
4
4
7
Name and function of parts
What to do before operation
Product Introduction