LG multi V JRUN Series Installation Manual page 82

Cool and Heater 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.
• Setting Main PCB Dip SW of Master Outdoor Unit.
# #
< Outdoor Main PCB >
shows field wiring
connected wiring
Communication line length can be maximum 300m, use communication line as thick as 1.25mm2.
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
GND Connection
Off (Open)
• Heating Mode Setting
GND Connection
GND Connection
• Fan/ All OFF Mode Setting
Off (Open)
GND Connection
3
GND GND GND
4
k k
# #
GND GND GND
?
3
GND
4
<Outdoor Dry Contact Back Side >
1
2
1
2
GND
GND
GND
Electrical Wiring
Push Button
- Insert wire method -
Push arrow direction.
Insert wire to connector.
Installation Manual 83