Wiring Diagrams - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit

5. Wiring Diagrams

TM/TN Chassis
CONNECTOR NUMBER
CN-MOTOR1
CN_DPUMP
CN-GRILL
CN-PTC
CN-LEAK
CN-AIRC
CN-DISPLAY
CN-OPTION
CN-EEV
CN-FLOAT
CN-ROOM
CN-PIPE_IN
CN-PIPE_OUT
CN-REMO
CN-CC
CN-COMM
CN-VANE1
CN-VANE2
CN-485
CN-EXT
Dip Switch Setting
SW3 GROUP
SW4 DRY CONTACT
SW5 EXTRA 1
CAUTION
For Multi V Model, Dip Switch 1,2,6,7,8 must be set OFF
That dip switch is used for the other model.
LOCATION POINT
Fan motor output
Drain pump output
Elevation grill
Aux heater
Refrigerant leak detector
Air cleaner
Display
Option pwb.
EEV Output
Float switch input
Room sensor
Suction pipe sensor
Discharge pipe sensor
Remote controller
Dry contact
Communication
Step motor
Step motor
Communication
External On/Off
Off On
Master Slave
Variable Auto
Off On
FUNCTION
Motor output of BLDC
AC output for drain pump
Elevation grill line
Aux heater line
Refrigerant leak detector line
Air cleaner line
Display of indoor status
Communication between main and option
EEV Control output
Float switch sensing
Room air thermistor
Pipe in thermistor
Pipe out thermistor
Remote control line
Dry contact line
Communication between indoor and outdoor
Step motor output
Step motor output
Connection between indoor and outdoor
External On/Off signal input
Remarks
Group Control setting using Wired Remote Controller
Old Dry Contact Mode Setting
1. Variable : Auto/Manual Mode can be chosen by Wide wired
remote controller or Wireless remote controller
(When shipped from Factory ' Manual Mode)
2. Auto : For Dry Contact, it is always Auto mode.
1. Duct model
-. OFF : Default(not operate continuosly )
-. ON : Fan operate continuosly
2. Cassette Model : No Function
3. Ceiling Suspended Model
-. OFF : Ceiling(default)
-. ON : Floor
Ceiling Cassette 4-way(2)
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