Common Setting - LG ARNH10GK2A2 Installation Manual

System Set-Up

Common Setting

• Function Code 01 : Test Run
Test run should be performed when charging the additional refrigerant is required. The unit must be
operated in Cooling mode when the refrigerant is being charged. Test run instantly makes the unit
operate in Cooling mode for 18 minutes.
Note: • If you press any kind of button during this mode, Test Run mode will be finished.
• After the unit operates under Test run mode for 18 minutes, it will be turned off automatically
• Function Code 02 : Disable 3 minute Delay
Only used for an inspection in a factory.
• Function Code 03 : Remote Air Sensor Connection
If remote air sensor is connected to control the unit by room air temperature, the connection infor-
mation should be notified to the unit.
Note : If remote air sensor is connected but this function code is not set correctly, the unit can not
be controlled by room air temperature.
• Function Code 04 : Celsius/Fahrenheit Switching
Temperature is displayed in Celsius or Fahrenheit.
• Function Code 05 : Setting Temperature Selection
The unit can be operated according to air temperature or leaving water temperature. The selection
for setting temperature as air temperature or leaving water temperature is determined.
Note : Air temperature as setting temperature is ONLY available when Remote Air Sensor Connec-
tion is enabled and Function Code 03 is set as 02.
• Function Code 06 : Auto Dry Contact
This function enables the Dry Contact to operate under Auto Run mode or Manual mode with
remote controller.
If thermostat is used, value should be changed from "2" to "1".
• Function Code 07 : Address Setting
When Central Controller is installed, address assigning is set by this function.
• Function Code 08 : Override Setting
Override master/slave selection function is to prevent the unit's different mode operation. If the unit
is set as the slave, it blocks a change of opposite operating mode(cooling/heating).
h To use override master/slave selection function is only possible when units are connected in
series to the outdoor unit.
• Function Code 09 : Water Pump Test Run
After water pipe work is done, Water Pump Test Run mode should be
performed to check whether water circulation is normal.
50 Hydro Kit