Wiring Error Check; Saving Power Consumption - LG A8UW54GFA0 Installation Manual

Function

Wiring Error Check

You can check whether or not the wiring is correct.
Setting Procedure
1. Set the DIP Switch as follow after shutting the power source down.
2. Reset the power.
3. Check that the Re and Green LED of PCB are on during work. (The indoor unit is
operated by force.)
4. If the wiring is correct, the Green LED will light up.
If the wiring is wrong, display as below
(Display only wrong connection.)
• Red LED : Piping Number
• Green LED : Wiring Number (Room)
Example)
If the Red LED blinks twice and the Green LED
blinks 3 times, 2nd pipe is connected to 3rd room.
5. You should return the DIP Switch to operate normally after finishing wiring error check.
5
!
CAUTION
• If Indoor unit doesn't communicate to outdoor Unit, function could not be
operated correctly.
• Only the wrong wiring connection is displayed. You should change connection
correctly to operate the product.
• If Outdoor and Indoor temperature is too low in winter, the wiring error check
function will not be operated. (Red LED is lighting)

Saving Power Consumption

Saving Power Consumption operation is the function which
enables efficient operation by lowering the maximum power
consumption value.
Setting Procedure
1 Set the DIP Switch as follow after shutting the power
source down.
2 Reset the power.
50 Multi Air Conditioner
5
1 2 3 4 5 6
LED1
2
(Red)
1sec
3
LED1
(Green)
1sec
1 2 3 4 5 6
Power
consumption
and current Nomal
5
1 2 3 4 5 6
Step 1
5
1 2 3 4 5 6
3
1sec
2
1sec
Time
5
1 2 3 4 5 6
Step 2