Wiring Error Check; Saving Power Consumption - LG Multi F A2UW14GFA0 Engineering Product Data Book

3. Installation of outdoor unit

3.10.3 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.
2
LED1
(Red)
1sec
3
LED1
(Green)
5. You should return the Dip Switch to operate
normally after finishing wiring error check.
3
1sec
2
1sec 1sec
CAUTION
• If Indoor unit doesnʼt 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)

3.10.4 Saving Power Consumption

Saving Power Consumption operation is the function
which enables efficient operation by lowering the
maximum power consumption value.
Power
consumption
and current Nomal
Setting Procedure
1. Set the Dip Switch as follow after shutting the
power source down.
Step 1
2. Reset the power.
Heat pump
Time
Step 2
_ 66
50Hz/R410A