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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
DRY CONTACT
PCB
CN-CC
RLY2
N
2
2
- To apply power source directly to external source
DRY CONTACT
PCB
CN-CC
RLY2
N
2
2
12 Dry Contact
4
4
Operation Display
3
3
Error Check Display
2
2
RLY1
1 1
Dry contact
Controller
CN_DRY
L
1
1
INPUT
24 V~
LG does not
supply this section
Operation Display
4
4
3
3
Error Check Display
2
2
RLY1
1 1
Dry contact
Controller
CN_DRY
L
1
1
24 V~
LG does not
supply this section
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 CANCEL 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)
CANCEL Button
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.
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
Installation Manual 13
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