LG Multi V ARNU093TUD4 Engineering Manual page 42

TWO-WAY CEILING CASSETTE
Electrical Wiring Diagram
TS Frame
Table 17: TS Frame Wiring Diagram Legend.
Terminal
CN-MOTOR1
CN-EEV
CN-CC
CN-OPTION
CN-ROOM
CN-PIPE_IN
CN-HUMID
CN-PIPE_OUT
CN-LEAK
CN_EXT
CN-FLOAT
CN_WF
CN_DCDRAIN
CN-AIRC
CN-PTC
CN-DISPLAY
CN-VANE1
CN-485
CN-COM
CN-REMO
CN-POWER
Table 18: TS Frame DIP Switch Settings.
DIP Switch Setting
SW3 GROUP CONTROL
DRY CONTACT
SW4
MODE
*For Gen 4 Multi V two-way ceiling cassette indoor units, DIP switches 1, 2, 5 through 8 must be set to OFF. These DIP switch-
es are used for other models.
**To enable Generation 4 features, outdoor unit DIP switch no. 3 must be set to ON. Please refer to the Multi V 5, Multi V IV,
Multi V Water IV, Multi V S Engineering Manual for additional information.
42 | T WO-WAY
Purpose
Fan motor output
EEV Output
Dry Contact
Option PCB (EEPROM)
Room sensor
Suction pipe sensor
N/A
Discharge pipe sensor
Leak sensor
External on/off controller
Float switch input
Wi-Fi module
Drain pump output
N/A
Auxiliary heater
Display
Step Motor
Communication
Communication
Remote controller
AC Power supply
Off On
Master Slave
Variable Auto
©
Function
Motor output of BLDC
EEV Control output
Dry Contact
Option PCB connection
Room air thermistor
Pipe in thermistor
Pipe out thermistor
Leak sensor connection
External on/off controller connection
Float switch sensing
Wi-Fi module connection
AC output for drain pump
Auxiliary heater connection
Display of indoor status
Step motor output
Connection between indoor and outdoor units
Connection on Sub PCB between indoor and outdoor units
Remote control line
AC Power line input for indoor controller
Remarks
Group control setting using 7-Day Programmable Controller; selects
Master/ Slave on each indoor unit
Sets operation mode for optional Dry Contact accessory
1. Variable: Auto or Manual Mode can be set through 7-Day
Programmable Controller or Wireless Remote Controller
(factory default setting is Auto if there is no setting)
2. Auto: For Dry Contact, it is always Auto mode
N/A
N/A