LG MULTI V Installation Manual page 80

Electrical Wiring
Cool/Heat Selector Installation and Connection
Using Cool/Heat Selector Installation and Connection
- Connect wires to the cool/heat selector as shown in below figure
- Insert the wire in terminal by pushing "push" button
- Set the Dip SW of main PCB in master outdoor unit
¨≠
< Outdoor Main PCB >
shows field wiring
connected wiring
❈ Communication line length can be maximum 300m, use communication line as thick as 1.25mm
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
80 Outdoor Unit
¨≠ ¨≠
GND GND GND
GND
¨
≠
GND
<Outdoor Dry Contact Back Side >
GND
GND
GND
3 1
4 2
¨ ¨
≠ ≠
GND GND GND
3 1
4 2
Push Button
- Insert wire method -
Push arrow direction.
Insert wire to connector.
2 .