Multi F Engineering Manual

ManualsBrandsLG ManualsAir Conditioners60000 BTU Cooling / 64000 BTU Heating 20.5 SEER 208/230 Volt Four Zone Mini Split Package with Ceiling Cassette Evaporators

171

172

173

174

175

176

177

178

179

180

Connection Name Location Function

&132:(5 AC power supply AC Power line

CN-MOTOR1 Fan motor output Motor output of BLDC

CN_OUT Heater Connection for heater

CN-D/PUMP Drain pump output AC output for drain pump

CN-FLOAT Float switch input Float switch sensing

&1=21( =RQHFRQWUROOHU =RQHFRQWUROOHUFRQQHFWLRQ

CN-OPTION Optional PCB EPROM Option PCB connection

CN-EXT External ON / OFF controller External ON / OFF controller connection

CN-DISPLAY Display Display of indoor status

CN-CC Dry contact Dry Contact connection

CN-PIPE/OUT (RD) Discharge pipe sensor Pipe out thermistor

CN-LEAK (VI) Refrigerant leak detector Refrigerant leak detector connection

&13,3(,1:+ Suction pipe sensor Pipe in thermistor

CN-REMO (GN) :LUHGUHPRWHFRQWUROOHU :LUHGUHPRWHFRQWUROFRQQHFWLRQ

CN-ROOM (YL) Room sensor Room air thermistor

CN-DAMPER Damper Controller Damper connection

CN-AIRC Air Cleaner Air Cleaner connection

&1:) :LIL :LIL0RGXOHFRQQHFWLRQ

7DEOH:LULQJ'LDJUDP&RQQHFWLRQV

7DEOH DIP Switch Settings.

Dip Switch Settings OFF ON Description

6: Communication Off (default) — —

6: CYCLE Off (default) — —

6: GROUP Master Slave Group control setting using wired remote controller.

6:

DRY

CONTACT

Variable Auto

Dry contact mode setting.

1. 9DULDEOH$XWRPDQXDOPRGHFDQEHFKRVHQXVLQJWKHZLGHZLUHG

remote controller or wireless remote controller (factory setting is

the manual mode).

2. $XWR)RUGU\FRQWDFWLWLVDOZD\VDXWRPRGH

6: EXTRA1 Off On

• 21)DQRSHUDWHVFRQWLQXRXVO\

• 2))'HIDXOW)DQGRHVQRWRSHUDWHFRQWLQXRXVO\

6: HEATER Off On

• 21$XWRPDWLFKHDWHURSHUDWLRQ

• 2))'HIDXOWPDQXDOKHDWHURSHUDWLRQ

6: Off

6: Off

To operate the indoor unit without Internal Electric Heater , Dip switch 1, 2, 6, 8 must be set OFF .

To operate the indoor unit with Internal Electric heater , Dip switch 6 must be set ON.

• 6:21$XWRPDWLF+HDWHURSHUDWLRQ+HDWHURSHUDWHVDXWRPDWLFDOO\

• 6:2))0DQXDO+HDWHURSHUDWLRQ2ZQHU¶VLQYROYHPHQWLVUHTXLUHGIRURQRIIRSHUDWLRQ

,I\RXRSHUDWHWKHLQGRRUXQLWZLWK,QWHUQDO(OHFWULFKHDWHUZLWK'LSVZLWFKQRWHWKHIROORZLQJ

• 6:21)DQRSHUDWHVFRQWLQXRXVO\'XULQJGHIURVWLQJRURLOUHWXUQRSHUDWLRQXQLQWHUUXSWHGKHDWLQJFDQEHDWWDLQHGDVDUHVXOWRI

continuous heater and fan operation.

• 6:2)))DQGLVFRQWLQXRXVRSHUDWLRQ7KHUHZRXOGEHDUHGXFWLRQLQKHDWLQJFDSDFLW\ZKLOHGHIURVWLQJRURLOUHWXUQRSHUDWLRQ

Wiring Diagram

FOUR-WAY VAHU INDOOR UNITS

VERTICAL-HORIZONTAL | 173

Vertical-Horizontal Air Handling Unit

'XHWRRXUSROLF\RIFRQWLQXRXVSURGXFWLQQRYDWLRQVRPHVSHFL¿FDWLRQVPD\FKDQJHZLWKRXWQRWL¿FDWLRQ

MULTI

MAX

MULTI