LG LP120CEM User manual

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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
;/
:/
;!
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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.