LG Multi V Installation Manual

80 Outdoor Unit
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
¨≠
GNDGND
¨≠
GND
< Outdoor Main PCB >
- Insert wire method -
shows field wiring
connected wiring
Push arrow direction.
Insert wire to connector.
Push Button
<Outdoor Dry Contact Back Side >
¨
≠
¨
≠
GNDGNDGND
1
2
3
4
1
2
3
4
❈ Communication line length can be maximum 300m, use communication line as thick as 1.25mm
2
.
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
GND
GND
GND
¨≠
GND
¨
≠
GND

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)