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Installation Guide
Step 2
Connect CN_DRY with Control Unit .
(Fix SUB PCB into the proper location.)
- To apply power source through PCB
LG does not
Supply this section
N
- To apply power source directly to external source
LG does not
Supply this section
14 Dry Contact
Operation Display
Error Check Display
Dry contact
Controller
4
3
2
1
RLY1
RLY2
2
1
L
AC 220 V
INPUT
AC 220 V
Operation Display
Error Check Display
Dry contact
Controller
AC 220 V
4
3
2
1
RLY1
RLY2
AC 220 V
Administrator Guide
* 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.
*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.
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.
Administrator Guide
°C/°F(5 s)
TIME(3 s)
Installation Manual 15
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