LG LP120CEM User manual

website http:i/www.lgappliance
Term!nalAirConditioner
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06ee, , ]
Ter naldea acondlclonadoembalado
and thoroughly
air conditioner.
future ref_ence after

YOUR R
Write the mode_ _d _rial numbers here:
M_el #
_rlal #
You can find them on a label on the side of eacthunit,
Deaier's Name
Date Purchased
[] S_p/e yourreceiptto this pagein t_ e've_ you _ed it
to provedateof purcha_ or for wa_antyissues.
Inside you wili find many helpful hints on how to use and
maintain your air conditioner propedy Just a little
preventive care on your pa_ can save you a ,great dea_
of time and money ever ttqe life of your air cond&ioner,,
You'l! find many answers to commo_ p_ob!ems i# the
chart of troub_esh®_ng tips. If yoP_review our ch&rt of
Troublesh_ting Tips first_ you may not need fo call for
servioe at ali.
• Contactthea_horized servicet_hnician for r_ir or
maintenance ofthis un,_,.
• Contactthe installer'for in_allatton, o,fthis uniL
• The air c,ond_ioneris,not Int_d_ for use byyoung
childrenor iinw=Mswithout supervision.
• Young childr_ should be supe_ised to ensureth_
theydo not play withtheair conditioner,
• When the _wer cord is to be rephz_ replacement
work sha|i_pe_oirm_ by authorized personnel only
using on_ genuine re,piasementpar_s,
• _nstailation work must _performed in accordance
with the National Electric ,Code by qualified and
authoriz_ personnel only_

To preve_ injury and pro_y damage, follow these i_tructions
Incorrect operation due t,oignoring inst_c_ions wiBcause _3rm or damage, the sedousn_s o,fwhich is
indic_:ed by the follllowing symbols.
[ ......... ver0O0o li
[] The foiiowing i(t:emsare classified bythese symbols.
JWARN!ING
• Otherwise, it wili cause e!_'tric
shock or fire,due to heat
generation or e_e_ncshock
• It will cause e_ectricshock or fire
due to heat generation,
* It wi#cause f_lure of machine or
electric shock.
• Itmay cause fire and electric
shock.
•It may cause fire and e_ec_icshock,
• It _1_cause eiec_c shock or fire
due to heat generaSon.
.,It wil_c_s,e ele,ctic shock
• No installation may cause,fire
_d electric shock accident.
'i It:may cause electric shock.
, it wil! cause electric shock or fire.
•Ifthesfupp_t®_d_ _mag_, itmurat
replac_bythe_siufia_ter orits_vme
_ent o_a.similarlyqaal_i_per_b_in
or_r toavoida/b_, IYa_chme_)
•N,ogrounding may cause electric
sh_k {_, _ns'taJlationM_,ual).
• It may cause fire _d electric
shock accident,
,/tmay cause fire
•It may cause an explosion or fire

• _tmay cause expbsion fire, and burn
J WARNING J
, It may cause failure and electdc shock
r J CAUTiON
' They are sharp and may cause , Water may enter the unit and
degrade the insu!ation. It may
cause an electric shock,
• Since the fan rotates at high
speed during operation, it may
cause injury
• Operation 'withwmdows open_
may cause we_ing of indoor and
soaking of household furniture.
, i:tmay cause f_lure of appliance
or accident.
• This could injure the pet or plmqt
• It may c_se el,ec_c shock and
• if ieaving appliance damaged,
there is ,concernof damage due
to _e falling of pr_u,ct.
• Appearm%e may be deteriorated
due to change of produ_ color or
scratching of its surface.
• There is danger of fire or eiectric
shock
•An oxygen shortage may occur.
• It may cause damage of animus
or veg_:aNes or loss of property
•It may cause failure of ipr_uct or
fire.
•Operation withoutfilters wiil
cause faiiure.
• Itcontains containments and will
make you sick.
, This could damage your health.

_ ContactaninstallationspecialistforinstaHafon,
Piugin_e powerplugproperly,
_Do notshare_e sameoutletwi_o_er_pliances
_Do notuseanextension_rd,
Donots_/stopoperationbyp_uggingiunpluggingthe_wercord
Ifcord/plugisdamaged,replaceonlywithanauthorizedpa_.
Beingex_sedtodirectairflowforanextended period of time could b,eh_atdous 'toyour hea_t:h._Do not
expose occupants, peG, or p_antsto direct airflow 'for extended periods of time
Dueto the _ssibi_ity of oxygen ,deficiency,ventilate the room when used together with stoves or other
Do not usethis air conditioner for nomspecified sp_iai purposes (e9. presewing precisiol_devices,
food_pets_pl&qts and a_ obiec_s), Usage in such a manner could harm such prope_y,
ii_iii_iii__
Do nottouch the metal pa_s ofthe un_ when removing the fi_ter Injuries can occur when handling sharp
metal edges
:;_ Do not:use water to clean inside the air cond_ioner Exposure to water can destroy the insu_a#on,leading
to possiNe electric sh_k,
_!_ When cleaning the unit first make sure that the power and breaker are tum_ off. The fan rotates at a
very hiighspeed during operation _here is a possibility of iniury ifthe un_'s power is accidentally
triggered on while cleaning inner Ipa_sof the unit
For repair a_d maintenance, contact your authoriz_ sewice dea_er,
LP090CEM :C_ing with elec_c heat.
LP120CEM :C,_iin 9 with electric heat.
LP090HEM :Heat pump with electric heat,
LP120HEM :Heat pump w_h electric heat.

The c,ontroi_i will!ook like o_ iof the following p_tures.
_N
WARM}_ _ER $
FAN
TEMPERATU RE CONTROL
:_LJ
Setthe Thermostat control to Me d,esir_
temperature ms,k 5 (the mid-point is a god
sta_ing position} _fthe room temperature is not
satisfactory after a reason_le time_adjust the
controi to a cooler or warmer setting,
'_ OPERATION MODE SELECTOR
OFF Turns air cond_ioner off.
LOW FAN Low speedfan operation without cooling
HiGH FAN °High spe_ _n operation without
LOW COOL Cooling with the bw speed fan
HIGH COOL ' C_ing wi_ the high spe_ _n
LOW HEAT 'Hea_ngwi_ the/dw spe_ fan
HiGH HEAT He_ing w_hthe h gh speed _n
CAUTION
When the air conditioner has been pedormed its
_ling or heating operation and is turned off or
set to the fan position, wait at least 3 minutes
before rese_ng to Me cooling operation again.
A slight he_ odor may eome from the unit when
first switching to HEAT after Me cooling season is
over. This odor, caused by fine dust p_icles on
Me heater, will dis_pear quickly This is
harmless.

Airflowcanbe,adjustedbychangingthedirectionof:theaircon,di_oner'slouversThisc&qa_soincre_ethe
coo_ingefficiencyoftheairconditioner,
Toadiusttheairdire_on,removethefrontgdlleRemovethe4louverscrewsthatholdthelouversinplace,
F_ipthe_ouversection180°,replacetheacresandthefrontgd_le,
Louverscrews;
Removether,_,m_binetandflipthe_ouverstochangethe_r directions
, R:_emmene_ori_taion oi{ louvers
Adjust louvers to face upwards when cooling to m_imize cooling efficiency.
The ventl_ion lever is located at the lower left side offne unit,
_e ventilation lever must be in the CLOSE posiSon in order to
maintain the best _oling _nditions
When fresh air is necessary in _e room, set the ventilation iever to
the ,OPENposition,
_e damper is opened and outdoor air is drawn into the room
_is will reduce the cooling or heating efficiency

A_itional controls are available after removing the
front grille and option ,coverof co_rol box
To remove the front grille, pull out _e bosom offront
grille and then lift up.
To replace the front griile, p_acethe tabs over the _opd
the unit and push the bottom of front grille until _e clips
snap into place.
The additiona_,controlsare !coated behind the option _ver ,ofcontr,o_box The standard se_ings '_1!be in Me
OFF position. The as_horizedservice man has to check switches and ensurethe switches are in the desired
_sition. REMOTE ON ON ,ON ON
ON
OFf': LO©AL OFF OFF OFF OFF
5
Temper_ure Limit 3,
_i iiii i_
Temperature Limi5ng can save money by limifln9 the lowest temperature for cooiin9 and the highest temperature
for heating. The temperature limiting iscontrolled by dip switch #i -#3.
This temperature _imitin9 is not available with the Remote Wall Thermostat_
Temperature CoolingO_rat#n
Limit#1 Limi__ Limit_ Lowest Temp. Highest Temp.
OFF OFF OFF 54i°F (!2.2°C) 86°F (30.0°C) 54°F (!22°C 86°F (30.0°
,ON OFF OFF 5,8_F(13.3°,C) 86_F (30.0°C) 54_F (12.2_,C 84_F (28.9°
OFF Ob_ OFF 58°F (14.4°C) 86°F (30.0°C) 54°F (12 2°C 82°F (27.8°
ON ON OFF 60°F (15.5°C) 86°F (30.0°C) 54°F (12 2°C 80°F (26.7°
OFF OFF ON 62_F (16.6°C) 86_F (30.0°C) 54_F (122°C 78_F (25.5°
ON OFF ON 64°F (17.7°C) 86°F (30.0°0) 54°F (122°C 76°F (24.4°
OFF ON ON 66°F (!8.9°C) 86_F (30.0"C) 54_F (12 2°0 74°F (23.3o
{22 2ON ON ON 68_F (20.0oc) 86_F (30.0oc) 54_F (12 2_C 72OF o
;/
:/
;!
;/
;!

When remoteA_al switch #1 ison, it a/ow the unit to ope_te by _e control of Remote Wa/'Thermostat..
The unit:_ntrol by knobs are not available.
ii iii
i i
The energy saver switch #2 is on. This switch is set at continuous fan to provide continuous fan operation,in cool
or heat modes When the switch is off the _ntinuous fan _lows continuous circu!ation of room air and make _e
more ba!anc_ temperature of _e room. When _e s_tch is on the fan ison ,oroff wi'_ the ,compressoror with
_e iheater
When the pair _re is connected b the _nnector LOand LI the unit can be turned ON or OFF wi_ a switch
!ocated at _e Front Desk Control panel, When the front desk sw_ch is ON, the fan operate according to _e
condition of se_ing without woAing compressor and heater, When the front desk switch is OFF,the unit can
oper_e according to the setting of controls
_re, # AWG Maximum Len!_
#22
#20 900ff(270m'}
#18
#16
V_en the wires are connected, the unit will be co_rolled by a remote
wall _ermostat
The thermo_at _nn_tions supply the 24 rot AC When you instal
_e digIal felec_onic thermostat, you must set it to the 24 Vot AC
See the installation Instruction in _is m_ual for thieRemote Wall
_ermostat.
0 L! GL GH _ W Y R C
The fo/owi;ng figures show wiring
schem_ics br heat pump and
straight cooi units with electric
W_d_t Sehematb fo_
R_me'ie H_t P_£ ®
®
_AT
Wi_iag _Iematic for
o
®
L_$
-®
_l_"f

Turnthepowe_offand unp,lugthep,owerp_g _fom cleaningtheair conditioner,
Turn the air conditioner off and remove Me p_ugfrom
the wal_outlet bebre cleaning To c_e_q,use water and a mild detergent. Do not use
bleach or abrasives.
'Thecoils on the outdoor side of the air conditioner
should be checked regul_'y. If hey are clogged wi_
di_ or soot they may be professionally steam cleaned,
a sewice available _rough a dealer,
The air filter behind Me front grille should be checked and cleaned at:least once every 2 weeks (or as necess;a_)
to maintain optimal performance ,ofthe air _on,di'flonero
How to remove the air filter
Pu!Ithe tab slight!y to release Me filter.
_ Clean Me filter 'withwarm, soapy 'water.The water
should be below 40°C (i04°F),
Rinse off and gently shake off excess water kom the
filter. Let itdry before replaceing it..
Do notoperate the unit wi'_out the filters in place.
Replacethe filter immediately when _ is tom or
damaged
When the unlitoperate,wi_out the fi_tersin place or wi_
damaged fillte_, _ reduce the cooling or hea_ng0airflow
and efficiency ofthe unit as Me indoor heat exchanger
allow dust &qd dirt.

Thisspp!i_ceshouldbeinstalledinaccor,da_nc,ewithnationalwidngregulations_is guideacts_ aguideto
helptoexplainproduc_features.
@
@
@
Use the correct waft,s,l_ve and outdoor grille
®
_is unit isdesigned to be insta#ed inthe insulated wall
sleeve. When you repta,cethe unit into the existing sleeve,
a_lwail sleeve us_ to mount the new unit must be in good
structut_ condition _d have the outdoor gdlle that
s_ureiy _aches to the s!eeves or the flange of the sWeeve
to secure the new air condi_onero
With he LG sleeve, you can maintain the best
performance of he new air conditioner.
If you keep the existing sleeve, you run the risk of poor
perfo_ance or product failure This is not covered
under the LG warrant.
Removethe,ve_icai deflectors in the existing gdlle to
reduce condenser air recirculation hat can cause the unit
to poor cooling or heating and ,componentfailure_
Unit
Outdoor Gd_le

SCREWDR|VER(+,-), RULER, KN|FF-, HAMMER_ PENC|L_ LEVEL
SLEEVE HARDWARE
]
.Placesleeve upper on top of side panels
.Fastenthe four screws as shown below,
ASSEMBLE THE WALL SLEEVE
'i Ra._ethe sleeve side panelsto updght _si#on as
shown beiow,,
'i,_ Carefully remove shipping tape, if there is any, from
•Assemble the out.or gdlle and fasten the 4 screws
as shown below.
Shipping ta_

Remove the shipping scr_ from _e ventil_:ion
®or. Remove_e front grille by pulling it out:at the
bottom to re,ease it, _en lift it up _ong the unit
top front,
Slide the unit into_e w_l sleeve arid s_ure wi_ four
screws through the unit flange holes, When you completed _e insta]l_ion, _e new air
cor_,ditionerunit should Ihavea rearward slope,
shown _low,
The w_l sl_ve mu_ be fastened in the wali securely
_fore insta#ing the new air _nditioner_
Reinstal_the front gdtle by hooking the top over the
u_it top, the_ pushing itin at the bosom,,

115,V~ 230V*_ Power cord may inc_u_ a currant iinterrupler
The shape may be different according to its m_,el
Use Wall Receptacle P_er Su_ly
S:ts#d_d i25V, 3-wire gto_Jnding
receptacle rat_ 15A, 125V AC
Standard 250V 3_wire grounding
receptacle rated !5A, 250V AC
Standard 250V, 3_,,wiregrounding
reoeptacie rated _A, 250V AC
Use 15 AMP. _ime
c!,e_ay fuse or 15 AMP,
ctrcu_t breaker
Use :2_@AMP time
delay fuse or 20 AMP,
circuit b_aker
DO NOT USEAN EXTENSION CORD on 230, 208,
and 230/208 Volt units
A_Iwiring should be made in accordance wi_ Ioca_
electrical codes and regulations,
A_uminumhouse widn9 may pose sp_ia_ problems.
Consult a qualified ei_rician,
WARNING
Never p_h the tesl b_ton during o,_ratlon
_he_l_ this plug ,can da_ged.
This device contains, chemical, includi% lea&
known to the S_ate of California to cau_ cancer
a_ birth defecP_or other reproduotive ha_..
Wash hands after handlin 9
Do not remove m_ify or immerse this plug.
ifthis device trips, the cause it to be corrected
before further use.
The conductors inside this _rd are sdrounded by
shields, which monitor le_ka.gecu_ent,
These shieids are not g#ounded <Made i_nTower>
Periodically examine the cord for any damage. Do
not use this product in the event the shields be_me
exposed
Avoid sh_k hazard, this unit can not be user
serviced opening the tamper resistant. Sea_ed
portion ofthe unit voidsall warran_es afnd
perfo_ance claims. Thisunit not intended for use
as _n on_ff switch.

IMPORTANT (PLEASE READ
FOR THE USER_ PERSONAL SAFETY, THIS
APPLIANCE MUST BE PROPERL Y GROUNDED
The power _rd of this appliance is quipped with
a three-_ong (grounding) p,lug_Use this with a
_ndard three-slot (grounding) wall power outlet _o,
minimize Me hazard of electric sh_k. The
custo_r should have the wall receptacle and
circuit checked by a qualified electrician to make
sure the r_:eptacle is pro_r_y groun_d.
A. S_UATIIONS WHEN THE APPLIANCE WILL
BE DI_ONNECTED _CASIONALLY:
Bec_se o_ pote_ial safety hazards, we strongly
discourage the u_ of an adapter plug. However, if
you wish to use an adapter, a TEMPORARY
CONNECTION may be made. Use UL-iisted
adapter available from most iocallhardware
stores.
The _ge slot in the adapter must be aligned with
the large slot in the receptacle to assure a p,ro_r
_larirty con_ction.
DO NOT CUT OR RE_VE' THE THIRD
(GROUND) PRONG FROM THE ,POWER PLUG,
: Attaching _h,eadapter ground terminal _o the
wall receptac|e cover screwd_s not ground
the app,lian_ unle_ the _ver screw is metal,
and no_insulated, and the wall receptacJe is
grounded through the house wiring, The
cuslomet should havethe circuit checked by a
qualified el_ric|an _omake sure the r_ptacle
is pm_rly grounded.
Disconnect the _wer cord from the a_pter, using!
one hand on each. Otherwi_, the adapter ground
terminal might break DO NOT USE the appli.an_
with a broken adapter plug_
B, S_UA'TIIONS WHEN THE APPLIANCE WILL
BiEDI_O,NNE,CTED O_EN,
Do not use an adapter plug in these situations.
Unplugging the power coird frequently c_ lead to
an evemuaJ brea_ge of the ground terminal The
wa_ _wer outlet shoiu_d_ replaced by a
three=s_ot(grounding) outlet instead.
USE OF EX_NSION CORD,S,
£ecause of _tentia_ sa:fe_yhazards we strongly
discourage the u_ of an e;dension cot& However,
if yo_ wish to _se an extension cord, use a CSA
ce_ified/ULqisted 3_wire (grounding) extension
cord rated at 15A, 125V.

Before cailing for service, ple_e review the foilowi_ #st of common,problems and solutions,
The a# conditioner is operating no.ally where
• You hear apinging noise _is iscaused by water being pick_ up by the condenser on rainy days or in highly
humid conditions, This feature is designed to help remove moisture in the air and improve _oling efficiency
•You hear the thermostat c_ick,This is caus÷J by the compressor cycle sta_n9 and stopping,
•iYou see water dripping from the rear o__e unit, Water may be collected in the base pan in highly humid
conditions or on rainy days, This water ove_ows and drips from the rear o_the unit,
• You hear the f_q running while the compressor is silent This is a normal operationai fe_ure_
The air conditioner may _opeta'tingabnormally when:
The air conditioner
atai/
Air conditioner
does not,c,ooi
Ice,appears on the
air _nditioner.
• Make surethe plugis completely plugged into
• e outiet
•Check the fus_circu_ breaker box and replace
_e fuse or reset the breaker
Inthe event of a power f_lure, set _e power
control to OFF, When the power is restored,,
wait 3 minutes to restart the air conditioner to
prevent the compressor from overloading
. Make surethere are no curtains, blinds,
furni_re or other ob_acles in froR_of the air
conditioner
•Turn_e knob to a higher ee_ing, The highest
setfJngprovides maximum cooling
• Clean the fitter at least eve_ 2 weeks, Refer to
_e _C;areand Maintenance' section of the
manual
•After _e _r conditioner isturned on, you need
to give the air _ndi_oner some time to coo_the
tOO m,
•Check for open furnace floor residers and co{d
air returns
• CLOSE _e air _nditioner vent
• See Ice appears on the air conditioner below
. Ice mayblock theair flow andoL_ruct theair
co_itioner from _operly coolingthe room Set
t_ _anat HIGHwhile _ing the TEMPERATURE
CONTROLat 1or2 u_il the ice meltso