Multi F Engineering Manual

FOUR-WAY VAHU INDOOR UNITS
Installation and Best Layout Practices
Indoor Unit Terminal Block
1(L1 ) 2 (L2)
GND
3
GRN /
YLW
BR
BL
RD
CN-REMO
YL
RD BK
Comm.
12V
Power
Ground
)LJXUH3=&:5&/*:LUHG5HPRWH([WHQVLRQ&DEOH
Controller Options
Vertical-Horizontal Air Handling indoor units can be used with many LG-supplied wired controllers (sold separately). The wireless handheld
FRQWUROOHU0RGHO1R34:5+4)'%LVDOVRDQRSWLRQDODFFHVVRU\ZLWKXVHRIWKHZLUHGFRQWUROOHU
Verify the connectors are properly inserted.
C/BOX Cable (Plug type)
Extension cable
To Indoor Unit
CN-REMO
Terminal
TEMP
FAN
SPEED
OPER
MODE
)LJXUH:LUHG&RQWUROOHU&RQQHFWLRQRQWKH,QGRRU8QLW7HUPLQDO%ORFN
:KHQXVLQJ¿HOGVXSSOLHGFRQWUROOHUFDEOHPDNHVXUHWRFRQQHFW
WKH\HOORZWR\HOORZFRPPXQLFDWLRQVZLUHUHGWRUHG9SRZHU
ZLUHDQGEODFNWREODFNJURXQGZLUHWHUPLQDOVIURPWKHUHPRWH
FRQWUROOHUWRWKHLQGRRUXQLWWHUPLQDOEORFNV
Wired Controller Connections
Controllers can connect to the indoor unit in one of two different ways.
1. /*:LUHG5HPRWH([WHQVLRQ&DEOHZLWK0ROH[SOXJ3=&:5&VROGVHSDUDWHO\WKDWFRQQHFWVWRWKH&15(02WHUPLQDORQWKHLQGRRU
unit PCB.
2. )LHOGVXSSOLHGFRQWUROOHUFDEOHWKDWFRQQHFWVWRWKHLQGRRUXQLWWHUPLQDOEORFNPXVWEHDWOHDVW8/RU8/$:*WZRFRUH
one-shield core, at least FT-6 rated if local electric and building codes require plenum cable usage).
VERTICAL-HORIZONTAL | 181
Vertical-Horizontal Air Handling Unit
'XHWRRXUSROLF\RIFRQWLQXRXVSURGXFWLQQRYDWLRQVRPHVSHFL¿FDWLRQVPD\FKDQJHZLWKRXWQRWL¿FDWLRQ
©/*(OHFWURQLFV86$,QF(QJOHZRRG&OLIIV1-$OOULJKWVUHVHUYHG³/*´LVDUHJLVWHUHGWUDGHPDUNRI/*&RUS
MULTI
F
MAX
MULTI
F