5. Wiring Diagrams
Ceiling Cassette 1-Way _ 9
Indoor Units
TU, TT Chassis
Dip Switch Setting Off On Remarks
SW3 GROUP Master Slave Group Control setting using Wired Remote Controller
Old Dry Contact Mode Setting
1. Variable : Auto/Manual Mode can be chosen by Wide wired
SW4 DRY CONTACT Variable Auto 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
SW5 EXTRA 1 Off On 2. Cassette Model : No Function
3. Ceiling Suspended Model
-. OFF : Ceiling(default)
-. ON : Floor
For Multi V Model, Dip Switch 1,2,6,7,8 must be set OFF
That dip switch is used for the other model.
CONNECTOR NUMBER LOCATION POINT FUNCTION
CN-MOTOR1 Fan motor output Motor output of BLDC
CN_DPUMP Drain pump output AC output for drain pump
CN-GRILL Elevation grill Elevation grill line
CN-PTC Aux heater Aux heater line
CN-LEAK Refrigerant leak detector Refrigerant leak detector line
CN-AIRC Air cleaner Air cleaner line
CN-DISPLAY Display Display of indoor status
CN-OPTION Option pwb. Communication between main and option
CN-EEV EEV Output EEV Control output
CN-FLOAT Float switch input Float switch sensing
CN-ROOM Room sensor Room air thermistor
CN-PIPE_IN Suction pipe sensor Pipe in thermistor
CN-PIPE_OUT Discharge pipe sensor Pipe out thermistor
CN-REMO Remote controller Remote control line
CN-CC Dry contact Dry contact line
CN-COMM Communication Communication between indoor and outdoor
CN-VANE1 Step motor Step motor output
CN-VANE2 Step motor Step motor output
CN-485 Communication Connection between indoor and outdoor
CN-EXT External On/Off External On/Off signal input
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