Engineering Manual

VERTICAL-HORIZONTAL INDOOR UNITS
,QVWDOODWLRQDQG%HVW/D\RXW3UDFWLFHV
Indoor Unit Terminal Block
1(L1 ) 2 (L2)
GND
3
GRN /
YLW
BR
BL
RD
CN-REMO
YL
RD BK
Comm.
12V
Power
Ground
Figure 232: 3=&:5&/*:LUHG5HPRWH([WHQVLRQ&DEOH
Controller Options
9HUWLFDO+RUL]RQWDO$LU+DQGOLQJLQGRRUXQLWVLQFOXGHDQ/*VXSSOLHGZLUHGFRQWUROOHU$.%
1
,
but other optional LG-supplied wired controllers are available. The wireless handheld controller
0RGHO1R34:5+4)'%LVDOVRDQRSWLRQDODFFHVVRU\ZLWKXVHRIWKHZLUHGFRQWUROOHU
• Operation Display Panel: Displays operation conditions.
• 7HPSHUDWXUH&RQWURO%XWWRQ6HWVGHVLUHGWHPSHUDWXUH
• )DQ6SHHG%XWWRQ6HWVGHVLUHGIDQVSHHG
• On / Off Button: Turns system operation on and off.
• 0RGH6HOHFWLRQ&KHFN%XWWRQ6HOHFWVWKHRSHUDWLRQPRGH&RROLQJ+HDWLQJ$XWR'U\
(Dehumidification), or Fan.
AKB72955816
1
Wired Controller.
TEMP
FA N
SPEED
OPER
MODE
Operation Display
Panel
Temperature Control
Button
Fan Speed Button
On/Off Button
Mode Selection
Check Button
1
6LPSOH0RGH&RQWUROOHUVIRUWKHYHUWLFDOKRUL]RQWDODLU
handling indoor units are also referenced by Model No.
345&9&/4:
(DFKIXQFWLRQZLOOGLVSOD\RQWKH/('IRUDERXWWKUHHVHFRQGVZKHQWKHSRZHULV¿UVWF\FOHGRQ
Verify the connectors are properly inserted.
C/BOX Cable (Plug type)
Extension cable
To Indoor Unit
CN-REMO
Terminal
TEMP
FAN
SPEED
OPER
MODE
Figure 233: :LUHG&RQWUROOHU&RQQHFWLRQRQWKH,QGRRU8QLW7HUPLQDO%ORFN
:KHQXVLQJ¿HOGVXSSOLHGFRQWUROOHUFDEOHPDNHVXUHWRFRQQHFW
WKH\HOORZWR\HOORZFRPPXQLFDWLRQVZLUHUHGWRUHG9SRZHU
ZLUHDQGEODFNWREODFNJURXQGZLUHWHUPLQDOVIURPWKHUHPRWH
FRQWUROOHUWRWKHLQGRRUXQLWWHUPLQDOEORFNV
Wired Controller Connections
Controllers can connect to the indoor unit in one of two different ways.
1. /*:LUHG5HPRWH([WHQVLRQ&DEOHZLWK0ROH[SOXJ3=&:5&VROGVHSDUDWHO\WKDWFRQQHFWVWRWKH&15(02WHUPLQDORQWKHLQGRRU
unit PCB.
2. )LHOGVXSSOLHGFRQWUROOHUFDEOHWKDWFRQQHFWVWRWKHLQGRRUXQLWWHUPLQDOEORFNPXVWEHDWOHDVW8/RU8/$:*WZRFRUH
one-shield core, at least FT-6 rated if local electric and building codes require plenum cable usage).
'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
162 | VERTICAL-HORIZONTAL
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F