LG Multi V miniARUN Series Installation Manual page 50

Electrical Wiring
Cool/Heat Selector Installation and Connection(Heat pump only)
I Using Cool/Heat Selector Installation and Connection
• Connect wires as below figure at the hole of backside of Outdoor Unit Dry Contact.
• Insert the wire in the connection hole pushing the "Push" button.
• Maximum transmission line length for dry contact : 200m.
Outdoor Unit
I Without Cool/Heat Selector Installation and Connection
In case, try to set mode without Cool/Heat Selector and try to use other switch except from LG Outdoor
Cool/Heat Selector in field.
Connect signal terminal block as below figure and description.
- How to set mode without Cool/Heat Selector
• Cooling Mode Setting
➀ ➔ GND Connection
➁ ➔ Off (Open)
• Heating Mode Setting
➀ ➔ GND Connection
➁ ➔ GND Connection
• Fan Mode Setting
➀ ➔ Off (Open)
➁ ➔ GND Connection
50 Outdoor Unit
Mode Change
Heating
GND
GND
GND
Fan
Cooling
Push Button