LG multi V ARUN Series Installation Manual page 86

Test Run
Sensor Checking Function
Sensor checking function judges whether the current temperature of indoor and outdoor unit sensors is right or
not. 3 indoor temperature sensors, 9 outdoor temperature sensor
Start
3 minutes
past after power
reset
YES
DIP switch set
Setting 1 Setting 2
Note 3)
Press black button
for 2 seconds
Sensor Normal
NO
Display Error
Press black button for 2 seconds
End
All DIP switches OFF and press black
button for 2 seconds
Data Reset and Wait
Note 1. Outdoor temperature number is different according to each chassis.
Cooling Only
Heat Pump
Note 2. Please check the sensor that is found abnormal.
Note 3. Each step is displayed on the Main PCB LED.
Note 4. Please refer to the sensor error descriptions on the next page.
WARNING
1. Please confirm if auto addressing function was executed. (Check the number of installed indoor units)
2. Error may occur when the sensor is normal according to the installed location and the temperature
conditions. When error occurs, please check each sensor and decide faultiness.
86 Outdoor Unit
NO
Setting 3 Setting 4
NO
YES
UX1 UX2(1 Comp)
6
-
Note 1) , 2 outdoor pressure sensors.
Warning : Please reset Main PCB before starting this function
Press black button for
5 seconds
Setting 1 Setting 2
Refrigerant Refrigerant
Auto Recharge Auto decide
Start Inspection of each Function
UX2
6 7
7 8
DIP Switch Settings
- Setting1
(Refrigerant Auto Recharge)
- Setting2
(Refrigerant Quantity Auto Decide)
- Setting3
(Integrated Test Run - cooling)
- Setting4
(Integrated Test Run - heating)
Setting 3 Setting 4
E: Cooling
F: Heating
UX3 (2 Comp)
7
8
UX3
8
9