Installation Guide
14 Dry Contact 
Administrator Guide
Installation Manual  15
ENGLISH
* Function
It gives selection whether to turn ON the unit directly or not from the external source. 
The selection can be made by pressing SET/CLEAR button of the wireless remote
controller 3 times within 3 minutes of resetting the unit with facing it towards the unit. 
(This function availability depends on indoor unit model)
1. To turn ON the unit directly from the external source
2. Not to turn ON the unit directly from the external source.
Only to activate the system.
Administrator Guide
If the power gives out, the Air conditioner may be run to before state after power
returns because Air conditioner's function of interruption of electric power
compensation.
°C/°F(5 s)
TIME(3 s)
*Note
This function(Dry contact mode setting) doesn't work in some wired remote controller.
For more information, please refer to manual of wired remote controller.
Step 2
Connect CN_DRY with Control Unit . 
(Fix SUB PCB into the proper location.)
- To apply power source through PCB
- To apply power source directly to external source
CN-CCCN-CC
RLY1
RLY2
CN-CCCN-CCCN-CCCN-CC
L
N
INPUT
AC 220 V
LG does not
Supply this section
Operation Display 
Dry contact
Controller
Error Check Display 
AC 220 V
4321
21
AC 220 V
RLY1
RLY2
CN-CCCN-CCCN-CCCN-CC
LG does not
Supply this section
Operation Display 
Dry contact
Controller
Error Check Display 
AC 220 V
4321
CN-CCCN-CC