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System Indoor Unit SERVICE MANUAL R410A

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1. NOI LO3UIG Nldid NOILO3HIQ ONIYIM ONIdld LGE Internal Use Only 86 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Ceiling amp Floor Ceiling Suspended T Punluns 88 2 Operation Details 89 3 DIMENSIONS e 92 Copyright 2010 LG Electronics Inc All right reserved 87 Only for training and service purposes LGE Internal Use Only Function l 1 Function Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low L Soft Dry Operation Mode Intermittent operation of fan at low speed Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply Deice
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5. lON m uonejeisu lou 1n090UM uonons 1y J AI92581 euis sx e dsiq Jeued 1uo14 yem k Hed ww h n cx8SOVCNNYV e488981nNuV 10MIN 1009 LYV LGE Internal Use Only 44 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ArtCoolGallery T UCU rcs ala a GSSs kaa kausa 46 2 Operation Details 47 3 DIMENSIONS aaa u Aa IE 54 Copyright 2010 LG Electronics Inc All right reserved 45 Only for training and service purposes LGE Internal Use Only Functions E 1 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor THERMISTOR Room temperature control e Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor fan is delayed for 5 sec at the starting Indoor Fan Speed Control High Med Low CHAOS Operation indication Lamps LED Signal Receptor Receives the signals from the remote control Signal receiving sound two short beeps or one long beep Operation Indication Lamps D On Off Lights up during the system operation s amp Sleep Mode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operat
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8. uoniduoseq JequinN H uouluuu pun 8 6 2 9 1 22 068 ox ILEVCNNYV cx ILESLANYV Aem z enesse Dui LGE Internal Use Only 20 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Ceiling Mounted Cassette Type 4Way 1 s incions 22 2 Operation Details T T 23 s DIMENSIONS X Mn 25 Copyright 2010 LG Electronics Inc All right reserved 21 Only for training and service purposes LGE Internal Use Only Functions 1 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control e Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Conirol Jet High Med Low Lolow Soft Dry Operation Mode Intermittent operation of fan at low speed Airflow Direction Control The louver can be set at swing up and down automatically Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply Deice defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost e
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12. loH E 0 6 NoLLISOd NOISNadSNS 699 NOLLISOd NOISN3d8nS 98 39v4S 9NN3dO 9NI1139 026 0 9 0S6 262 loH nino 11v 00S eio 1 lul r 49 LGE Internal Use Only 41 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions NL 4d0002 SISSVHO e310 01 179 uuguBuo Guop uesfBuoes 92 S9IU04129 3 M3lA MOHHYV V ose JO lul009 uono uuo jong upueig aH E 0 1 910 10 WOO th s 810W 10 WWOOS E 2 SSS Z lt 10 WWOOS NOLLO3NNOO LONG HONV88 3ovds aauinoau Sepoo jeuoneu ejqeordde Jo suone nBei e20 eui UNA eouepaoooe ui pepunoiB eq eys HUN Z xoq jonpoud y ul NOLLO3NNOO 1900 HONVu8 MAIA MOHHY yenuew uopejesu eui YM avuLdwo u eq Pinoys yun lON m lub uonons ary 9 46 eBueuosip Jy uonoeuuoo Ajddns samod 260 924 uonoeuuoo edid ureig 89 cL0 xoc ezis un uornoeuuoo edid 580 eS 60 0196 zis HUN uogoeuuoo edid pinbr uoniduoseq JequinN ww jun G N
13. Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control e Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Conirol Jet High Med Low Lolow Soft Dry Operation Mode Intermittent operation of fan at low speed Airflow Direction Control The louver can be set at swing up and down automatically Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply Deice defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends The indoor fan does not rotate until the evaporator pip Hot start Control Heatin 9 ing temperature will be reached at 25 C 76 F e To install a unit is very convenient because of smaller Compact and light design Size than textile The most advanced low noise design The adoption of turbo fan and round type heat exchang er give the quietest operation Low noise Long life wrinkle type and washable and anti bacteria L life filt filter is adopted Built in drain pump automatically drains water A standard drain head height of up to 700mm 27 9 16inch is possible High head Drain pump High Ceiling corresponding Function According to the heig
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15. 22 C 72 F 22 C 72 F 27 C 80 F 27 C 80 F Low temperature T 25 C 76 F 25 C 76F 25 C 76 F 25 C 70 F 25 C 76 F 25 C 76 F 25 C 76 F 28 C 82 F 28 C 82 F Setting Temperature T sr 27 C 80 F 27 C 80F 27 C 80 F TOP 27 C 80 F 27 C 80 F 27 C G0 F 3000069 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 70 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 30 C 86 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart Off Hotstart On Thermal Setting fan Setting fan 4way Valve nitial Hotstart On state Power Off m On Operation Off On Cooling operation Heating operation Defrost operation Copyright 2010 LG Electronics Inc All right reserved 71 Only for training and service purposes LGE Internal Use Only Dimensions Imensions 8 300 SISSVHO U102 U02 8 MAMA 12 179 weuBuoakd IO uonBueuo Buop uesbuoas 92 UUO09 OBAUB AWA Woo esnb MMM 26920 TN SHIO nu AV ueA S 0001 UOlSIAIQ OVAH WSN souonoer 91 91U01399 9 51 s poo euoneu ajqeoldde suonejn6ei e5o eui y m eouepioooe u pepunoi eq eus 141
16. C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temper ature ll Fuzzy Operation Outdoor unit H P Model When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C 76 F x Inatake Air Temp gt Fuzzy Operation for Cooling 21 C 70 F s Inatake Air Temp lt 24 C 76 F gt Fuzzy Operation for Dehumidification Inatake Air Temp 21 C 70 F gt Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated Copyright 2010 LG Electronics Inc All right reserved 37 Only for training and service purposes LGE Internal Use Only Operation Details 1 Fuzzy Operation for Cooling According to the settin
17. C 72 F 22 C 72 F 22 C 72 F 27 C 80 F 27 C 80 F Low temperature T 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 28 C 82 F 28 C 82 F Setting Temperature T sr 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 30 C 86 F 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 58 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 30 C 86 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart Off M S 4 a INTA NNI Outdoor fan Setting fan Setting fan Perm T r v a or wm R Initial Hotstart On state Power Off m On O Operation Off us On Cooling operation Heating operation Defrost operation Copyright 2010 LG Electronics Inc All right reserved 59 Only for training and service purposes Dimensions 08 18 4400 SISSVHO uJo2 uooJreeD AAA 612 179 weubuoahy UomBueYD Buop uesbuo as 92 U102 0BAU MMM MAMA 28920 TN SHIO poowel6ud nu Av ueAAg 0001 UOISIAIG OVAH WSN so3luono l3 97 s poo jeuoljeu e qeoijdde JO suonel nB 1 peoo eui uy 59uepio22e ui pepuNo
18. F Themo OFF Temp gt Setting Temp 4 C 39 F While in compressor on when above 38 C 100 F it operates with setting airflow speed while in sleep mode with the medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C 92 F when above 35 C 94 F it operates with the low airflow speed While in defrost control both of the indoor and outdoor fans are turned off B Defrost Control While in heating mode operation in order to protect outdoor unit from freezing reversed to cooling cycle to defrost of the outdoor unit ll Fuzzy Operation Outdoor unit C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compres sor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F lt Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F lt Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18
19. G http biz lgservice com MULTI V System Indoor Unit MODEL ARNU Series URNU Series CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel MULTI V Air Conditioner Service Manual TABLE OF CONTENTS Part 1 General Information M I 3 Mod l Names u al nu cad Oron Sa as dun awaqa yata hea OR y ad shaq gus asad 4 External Appearance u u uuu lad adada baladan al aba 5 Nomenclatures iniinis rr 6 Part 2 Indoor UNITS Er a am TT 7 Ceiling Mounted Cassette Type 1 way a 8 Ceiling Mounted Cassette Type 2 way a 16 Ceiling Mounted Cassette Type 4 way 1 a 21 Ceiling Mounted Cassette Type 4 way 2 A AA AAA ARAR n n nn 27 Rescue ro H 34 Art COO Type Gall ry u ai 45 Ceiling Concealed Duct Type Low static 55 Ceiling Concealed Duct Type Built In 61 Ceiling Concealed Duct Type High static taret brat aaz 67 Wall Mounted Type u ba 76 Ceiling amp Floor Ceiling 5 nn sama as amaya asaeare tnn 87 Floor Standing TEPE o ere 94 Vertical Air Handling Unit A ir ad a adada 101 Part 3 Trouble
20. Operation Off us On G Cooling operation Heating operation Defrost operation High Static Low Static Convertible Chassis BH BG BR B1 B2 CE CF VE VJ Hotstart On T on 19 C B6 F 19 C 66 F 19 0 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 26 C 78 F 26 C 78 F Hotstart Off T 22 C 72 F 22 C 72 F 22 C 72 F 22 C 2 F 22 C 72 F 22 C 72 F 22 C 72 F 27 C 80 F 27 C 80 F Low temperature T 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 28 C 82 F 28 C 82 F Setting Temperature T sr 270607 270007 27 C 80F 2700 F 27 C 80 F 27 C 80 F 27 C 80 F 30 C 86 F 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 105 LGE Internal Use Only Only for training and service purposes Operation Details ll Heater Operation The unit will operate according to the setting temperature and the indoor unit Heat Exchanger temperature Heater operation diagram is shown as following Setting temperature A A 1 C 34 F NN A 2 C 36 F Indoor unit Heat Exchanger temperature 45 C 1 13 F 42 C 108 F 30 C 86 F 28 C 82 F Copyright 2010 LG Electronics Inc All right reserved 106 Only for training and service purposes LGE Internal Use Only Dimensions TN 4400 SISSVHO
21. a or e R Initial Hotstart On state Power Off w On O Operation Off On Cooling operation Heating operation Defrost operation Copyright 2010 LG Electronics Inc All right reserved 65 Only for training and service purposes Dimensions mens ons U102 U02 15 T MMM 9J0M ELLZ L79 8 68 30400 SISSVHO weubuo0akyy Ayp UomBueUD Buop uesBuoes 92 Uu1O9 OBAUB WWA Woo esnby MMM ZE9LO TN SHIO poowejBu3 enueny ueAl S 0001 UOISINIG OVAH WSN soruoJe 3 91 Sepoo euoreu ejgeordde JO suonejnBei e20 eui ui eouepJoooe ui pepunoiD eq peys HUN Z Xoq 1onpoud eui ui Jenuew uomejeisul eui uy eouerduoo ui palesu eq pinous quf L SION n uonons Jy eDueuosip Jy uonoeuuoo Ajddns jewod uoinoeuuoo edid uq g S 8971 6 biyd zis lun uonoeuuoo edid seg 8 6 25 eo orpz ezis Pun 11 96 9081 ne L6 ezis un 21 210 981 22 469 925 un I uono uuo edid pinbr1 L uoniduoseq aweN JequinN your wiw pun oss ooylorosgq uosseoov oyaosgd eoraerenNuv oss ooylorosgq uosseoov oyaosgd eoraegLnNdv oss ooyl0 osgq uosseoov ocaosgd ebegesLnNdv fuosseoov ocosgd uosseoov ocaosgd ebegezLnNdv fuosseoov oeosgd fu0sseoov oegosad ebegezonNuv l l l l l ul WING 19nq pejeeouo pulag 9L E1 6 91 6 L 0S2 z r 91 11 0
22. 1 6 CN PIPE OUT Pipe outlet temp sensor Measure the resistance of outlet pipe temp sensor lt Standard Indoor Unit gt Copyright 2010 LG Electronics Inc All right reserved 112 Only for training and service purposes LGE Internal Use Only Self diagnosis function m e of Error Type Error Point Main Reasons 1 Remote controller fault The remote controller 03 transmission between cabled did not receive the sig Indoor unit PCB fault remote controller amp indoor unit nal from indoor unit 3 Connector fault Wrong connection during specific time 4 transmission cable problem M Error diagnosis and countermeasure flow chart Replace cabled remote controller Check connection amp transmission cable Does the error happens again if the remote controller is replaced Does the error occurred when the cable of remote controller is replaced Replace indoor unit PCB If there is no remote controller to replace Use another unit s remote controller doing well Check cable Contact failure of connected portion or extension of cable are main cause Check any surrounded noise check the distance with main power cable gt make safe distance from the devices generate electromagnetic wave After replacing indoor unit PCB do Auto Addressing amp input unit s address if connected to central controller All the indoor units connected should be tur
23. 24 C 76 F lt Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F lt Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule e While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehumidification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 C 37 F or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 2 C 36 F Compressor OFF Temp gt Setting Temp 4 C 39 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C 68 F x Intake Air Temp gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 20 C 68 F gt 20 C 68 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temp
24. Indoor units started 1 Indoor units are in different mode 07 All Indoor units are not later are operated in dif 2 PCB fault running in same mode ferent mode from earlier 3 cabled remote controller fault one 3 Checking ch07 method IDU doesn t operate as Operation mode is flickering at IDU wired remote controller and IDU display window M Error diagnosis and countermeasure flow chart Does error code disappear after set operation mode same Is operation mode of outdoor amp Indoor units same Replace Indoor PCB Adjust outdoor main PCB dip switch setting Check mode selection setting of wired remote controller Outdoor main PCB dip switch no 5 Cooling or no 6 heating is in On different mode operation error may occur because the operation mode is fixed by dip switch setting Dip switch Setting 6 4 6 123 45 6 7 8 9 10 11 12 13 14 Dissolution method CH07 with remote controller 1 Error removal method Turn off remote controller by pressing the On Off button on the cabled remote controller The error code will be removed automatically after few seconds With cableless remote controller Turn off indoor unit and then turn on by changing the operation mode The error will disappear Copyright 2010 LG Electronics Inc All right reserved 117 Only for training and service purposes LGE Internal Use Only Self d
25. Internal Use Only 15 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Ceiling Mounted Cassette Type 2Way Te FONCIONS u BAH 17 2 Operation 5 2 18 3 DIMENSIONS X MR 20 Copyright 2010 LG Electronics Inc All right reserved 16 Only for training and service purposes LGE Internal Use Only Functions B 1 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control Jet High Med Low Lolow Soft Dry Operation Mode Intermittent operation of fan at low speed Airflow Direction Control The louver can be set at swing up and down automatically Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends The indoor fan does not rotate until the evaporator pip Hot start Control Heatin 9 ing temperature will be reached at 25 C 76 F e To install a unit is very conveni
26. L SET NEV Kem p n sse2 pueg 39VdS 9NIN3dO 9Nr1139 026 0 8 NOLLO3NNOO 193410 JVLNI H Y HOOGLNO A NOLLISOd NOISN3dS0S z89 H 66 OEL NOLLISOd NOISN3dSns 699 0S6 ZeZ 1iy 00S eiu l lul 19 LGE Internal Use Only 32 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions ureuBuoe o Ayo uowBueu 5 92 WL 3009 SISSVHO 17 Ly9 S3Iu04129 3 MJA MOHUV 8 MAIA MOHHV V OSE 01290002 nq uoueJg 310W JO WOOS H e E 9pH 0 6 NOWLOANNOOLONG HONYUG gt BIOL JO WIL 10 WUOOS id 10 lul009 m lo LONG HONVug 3ovds aauinoau NOLL23NNOO 153810 WIN HV H000100 NK s poo euoneu ejqeoidde Jo e90 eui UM eouepaoooe ui pepunoJD eq peys 141 Z
27. ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 To be selected higher temperature To be selected higher temperature FM Ian daa contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved 57 LGE Internal Use Only Only for training and service purposes Operation Details E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit 40 C 104 F Heat Exchanger temperature Intake Air Temperature Setting Temperature Low tani during 10sec 3 C 37 F Thermal OFF Setting Temperature Thermal ON Thermal Outdoor fan Indoor fan 4way valve Compressor off interval While the indoor Heat Exchanger temperature is higher than 40 C 104 F fan operates at low speed when it becomes lower than 40 C 104 F fan stops B For eluminating latent heat loss fan operates at low speed for 10 seconds periodically C To be operated Low except initial Hotstart operation High Static Low Static Convertible Chassis BH BG BR Bi B2 CE CF VE VJ Hotstart On Ton 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 26 C 78 F 26 C 78 F Hotstart Off T ott 22 C 72 F 22 C 72 F 22 C 72 F 22 CG 72 F 22
28. SreL 91 91 602 en zocrenNuv cVADEVCNNYV 013 681 CVADESLNNYV Buipueis 100 J LGE Internal Use Only 100 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Vertical Air Handling Unit b FRU OWNS un 102 2 Operation 5 2 103 3 DIMENSIONS AM 107 Copyright 2010 LG Electronics Inc All right reserved 101 Only for training and service purposes LGE Internal Use Only Funtions E 1 Funtions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low Soft Dry Operation Mode Intermittent operation of fan at low speed Although the air conditioner is turned off by a power failure it is restarted auto Auto Restart matically previous operation mode after power supply Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends If the electric heater has been installed indoor fan continuous
29. U102 U0 18 MMM LZ Lv9 ureuBuoe o uowBueu Buop uesBuoes 92 woo oenyBy Mmm Woo esnby MMM 28920 TN SHI enueAy ueAKAS 0001 UOISIAIG OVAH WSN s ruono lz 97 S21u043129J 3 51 s poo euoneu lqeolidde LGE Internal Use Only 10 suoll nB 1 e20 y YM 59uepioo2e u p puno 65 eq ileus Hun Z xoq y u jenuew uomejeisui 3y YM 5uel duuo2 ui paesu eq pinous h n L imensions D a lON a uonons Jl uonoeuuoo iddns samog uonoeuuoo edid 1840 8 6 gg c Lo Noe rpe ezis lun 211 3 9 org L ezis lun uonoeuuoo edid seo 8 6 29 60 010651yc zis lun v L se 90 48 L ezis yun uonoeuuoo edid pinbr L uoniduoseq owen JequinN you ww yun 9 cVPNEOENNYV cVPNESLNNYV yun Bul puey sry eorueA 8 9 99962 L 9 9 r1 79 062 9 9 1 21 806 mal 9461 9 Ov 8 6 1 kr 91 6 1 07 8 2 12 6 9 7 107 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions u109 uoo4reeD MMM woo oeAyb MMmM U102 8Sn T MMM 61 1 9 ZE
30. Yes unit displayed error END No Check the main power supply at the ODU terminal block Is outdoor PCB LED blinking N Replace outdoor PCB after s checking Replace TRANS after checking Yes Yes Check the insulation of inverter Is main circuit breaker off constant compressor and replace if required Check the capacity of main circuit breaker and replace if required Improper connection of power supply cable If all ok Turn on main circuit breaker Main power supply problem Re connect transmission cable Check if the transmission cable is properly connected to indoor outdoor terminal block Outdoor PCB fault Replace after checkin Yes P ng Indoor PCB fault Replace after checking No Note1 Transmission from IDU is normal if voltage If the DC voltage between transmission terminal A B fluctuation 9V 9V exists when checking DC voltage of indoor unit is fluctuate within 9V 9V then of communication terminal between IDU and ODU transmission from outdoor unit is normal Copyright 2010 LG Electronics Inc All right reserved 116 Only for training and service purposes LGE Internal Use Only Self diagnosis function x Error Type Error Point Main Reasons Indoor unit outlet pipe Indoor unit outlet pipe Refer to CH02 06 temperature sensor temperature sensor open error or short Error No Error Type Error Point Main Reasons The
31. further Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance automatically operates in the mode on the memory Operation Mode that is kept on the memory Copyright 2010 LG Electronics Inc All right reserved 40 Only for training and service purposes LGE Internal Use Only Operation Details State of Operation ON OFF Operation Mode Setting Temp Selected Airflow Speed Sleep Timer Mode Remaining Time of Sleep Timer unit of hour E Forced Operation Outdoor unit C O Model To operate the appliance by force in case that the remote controller is lost the forced operation button is on the main unit of the appliance to operate the appliance in the standard conditions Press the forced operation button the forced operation is carried out Press the forced operation button once again to stop operation The forced operation is carried out in cooling mode with the setting temperature 22 C 72 F and the high speed of airflow ll Forced Operation Outdoor unit H P Model To operate the appliance by force in case that the remote controller is lost the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions Press the forced operation button the forced operation is carried out Press the forced operation button
32. of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again Copyright 2010 LG Electronics Inc All right reserved 84 Only for training and service purposes Dimensions HS 4302 SISSVHO 9903 17 Lv9 weuBbuoaky o uowBueu 5 92 SQ IX0HddV SLE IBA uey 1 UBIH eve MNIWISI WW 001 Uey loyy A IXO8ddV OEE 181 XOHdav 091 3 S WW 001 Uey eo WW 002 Uey 10W Ulgz uey ww un aoeds peuinbeg x Sepoo jeuolyeu ejqeordde Jo suome n6eij e90 eui eouepuaoooe ui aq peys pun Z xoq 1onpoud eui u yenueul uomel ejsui eui ui eouerjduioo ui pe eisur eg pinous hun L lON m uonoeuuoo BuuiwBuidid epis 197 8 uonoeuuoo Buuiw Buidid apis 1 1 110 16 Ieu19 x3 edid 4180 uonoeuuoo Ae 210 adid sey uonoeuuoo ALJA GEOG edid pinbr uol ons Jl eBieuosip Jy jaued 10014 uoniduoseq eureN JequinN t NOLLO3UIQ SNIdld ww yun eaaa c 3S OS LONHV 291 219921 0 399060 0 399 0 q I DON ww un mens ons
33. once again to stop operation In the forced operation mode the indoor fan is operated at low speed for around 15 sec and then the operation condition is set according to the intake air temperature as follows 24 C 76 F x Intake Air Temp gt Cooling Mode Operation 22 C 72 F High Speed 21 C 70 F x Intake Air Temp lt 24 C 76 F gt Dehumidification Operation 23 C 749F High Speed Intake Air Temp 21 C 70 F gt Heating Mode Operation 24 C 76 F High Speed M Test Operation Control To check the condition of the installation when installing the appliance the appliance is operated at cooling mode high speed of airflow compressor on for 18 min without controlling the room temperature After supplying power to the main body keep pressing the forced operation button for about 3 seconds e While in test operation a key can be input by the remote controller When a key operation start stop operation mode selection airflow speed selection temperature control Jet Cool is input by the remote controller the test operation is canceled and the appliance is operated according to the setting by the remote controller M Protection of the evaporator pipe from frosting In the temperrature of the indoor pipe is below 0 C 32 F after 7 minutes from starting the compressor the compressor and outdoor fan are stopped and 3 minutes delay of operating of the compressor when the tem perature of the indoor pipe is
34. purposes Operation Details Operation Mode Setting Temp Selected Airflow Speed Sleep Timer Mode Remaining Time of Sleep Timer unit of hour E Forced Operation Operation procedures when the remote control can t be used The operation will be started if the power button is pressed If you want to stop operation re press the button Heat pump Model Cooling Model Room Temp 224 C 76 F 21 C 70 F Room Temp lt 24 C 76 F Room Temp lt 21 C 70 F Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor Fan Speed High High High High Setting Temperature 22 C 72 F 22 CC 72 F 23 C 74 F 24 C 76 F e While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation E Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 18 1 minutes During test operation if remote controller signal is received the unit operates as remote controller sets If you want to use this operation Press and hold ON OFF button 3 5 seconds then the buzzer sound 1 beep If you want to stop the operation re press the button Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 C 32F in 7 min after the compressor operates without any pause while in cooling cyc
35. resistance 10 TH chassis TD chassis 86S80D0 177 l hundreds kQ hundreds kQ r d 1 i E 0 6620 hundreds KQ hundreds kQ lt Checking connection state of fan motor connector gt Replace the indoor unit PCB and then make sure to do Auto addressing and input the address of central control Notice The connection of motor connector to PCB should be done under no power supplying to PCB Copyright 2010 LG Electronics Inc All right reserved 119 Only for training and service purposes LGE Internal Use Only P NO MFL50459505 NOVEMBER 2010
36. speed of the indoor fan is automatically selected according to the temper ature E Fuzzy Operation Outdoor unit H P Model When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C 76 F x Inatake Air Temp gt Fuzzy Operation for Cooling 21 C 70 F x Inatake Air Temp lt 24 C 76 F gt Fuzzy Operation for Dehumidification Inatake Air Temp 21 C 70 F gt Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at tha
37. the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 amp Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF 77 7 More than More than oe nee 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting Lo Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 To be selected higher temperature To be selected higher temperature contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved 63 LGE Internal Use Only Only for training and service purposes Operation Details E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit 40 C 104 F Heat Exchanger temperature Tai ntake Air Temperature Setting Temperature 3 C 37 F Thermal OFF de Setting Temperature Thermal ON Thermal Outdoor fan tti Indoor fan Uu spped 4way valve ON Compressor off interval While
38. will be Deice defrost control Heating The indoor fan does not rotate until the evaporator piping Hobatar Control dal n temperature reaches 25 C 76 F Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 102 Only for training and service purposes LGE Internal Use Only Operation Details E 2 Operation Details 1 The function of main co E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation e When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 40 5 C 33 F Thermo OFF SET TEMPERATURE 0 5 C 33 F More than 3 minutes More than 3 minutes INDOOR FAN Selecting fan speed Low Selecting fan speed Low Selecting fan speed COMPRESSOR ON Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes OFF 103 ON OFF ON LGE Internal Use Only Operation Details E Heating Mode Operation The unit will operate according
39. 1 2 91 67 0011 0r9S8d 91 61 6 91 6 1 092 2 9 1 0 2 91 9 22 128 060584 go g ev 211 8 912 UID 8 001 2 acd UE 914 061 91 0 2 95 8 1 1 696 91 21 9 881 1 078 584 9 0 2 95 8 1 r1 6S 9 V 1 96 016 0 89S8d do oa 91 9 27 0011 81 91 9 22 028 XcL 67 L V ung HH uonons YUM 9 1 9 886 99 70819 94 061 66 SEAUEO uonons 9 H uonons YUM ejus uonons YUM Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Ceiling Concealed Duct Type High Static QM P amsa 68 2 Operation Details 8888888 8888333333 3333333113 69 s DIMENSIONS X MR 72 Copyright 2010 LG Electronics Inc All right reserved 67 Only for training and service purposes LGE Internal Use Only Funtion E 1 Funtions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low Soft Dry Op
40. 2 B ARNU28 ARNU36 ARNU42 3BGA2 3BGA2 3BGA2 g ARNU483 BRA2 u URNU76 URNU96 2 3B8A2 3B8A2 5 pi ARNUOT ARNUO9 ARNUI2 ARNUIS ui 3B162 38162 3BIG2 3B1G2 B ARNUIB ARNU24 3B2G2 3B2G2 pg ARNUO7 ARNUOQ ARNUI2 ARNUIS 3B3G2 38362 3B3G2 3B3G2 Bs ARNUIB ARNU24 38462 38462 ARNUG ARNUI2 Ceiling amp Floor VE 3VEA 3VEA2 m ARNU18 Ceiling Suspended VJ 3V A2 c ARNUO7 ARNUO ARNUT2 ARNUIS With kas 3CEA2 3CEA2 3CEA2 3CEA2 ARNUIB ARNU24 Floor 3CFA2 3CFA2 Standing cE ARNUOT ARNUOS ARNUT2 ARNUTS Without 3CEU2 3CEU2 3CEU2 3CEU2 Case CF ARNUIB ARNU24 3CFU2 3CFU2 NN ARNUIB ARNU24 ARNU30 ARNU36 as 2 3NJA2 INJA 3NJA2 ARNUA2 ARNUAB ARNUSA 3NKA2 3NKA2 3NKA2 K ART COOL SE S8 R Mirror V Silver B Blue SF E Red V Silver G Gold 1 Kiss Photo changeable Wall Mounted A Basic L Plasma Ceiling Cassette A Basic C Plasma Copyright 2010 LG Electronics Inc All right reserved 4 Only for training and service purposes teeny External Appearance I 2 External Appearance Ceiling Cassette 1Way ARNUO73TJ 2 ARNUO93TJ 2 ARNU123TJ 2 ABasic C Plasma Ceiling Cassette 4Way n Ceiling Concealed Duct High Static ARNU073BHA2 ARNU093BHA2 ARNU123BHA2 ARNU153BHA2 ARNU183BHA2 ARNU243BHA2 ARNU283BGA2 ARNU363BGA2 ARNU423BGA2 ARNU483BR
41. 6 YZ gezsiun uonoeuuoo edid pinbr uoniduoseq UIEN JequinN ww yun 2 19211 cxd L 60NNHY cxd L ZONNYY cxd L S0NNYY Kem p oyassey uonoeuuo jong uoueig M3IA MOHHV V rv N T30Vc5 9NIN380 9N171321098 019 NO 11804 NOIENSESTST CIS 7130 INGILISOd NOTSNBASNST 222 002 ely o lou nno sIy O8E 002 eiu 19101 9 6 LGE Internal Use Only 25 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions OL 443002 SISSVHO L 179 weubuoaky Ao uowBueu 5 92 MAIA MNOttV 8 MAIA MOHHV V alow 10 UIUJQ0S eru do WWOOS Z NOLLTSNNC3 I0 HNH N elo Joyas q3uinogu ENINSEO 9N111301099 019 NOILISOd NOISN38S0SI LIS INO 11504 NOISNEASIS 625 1325 NOILISOd NOISN3dSNS 19
42. 9LO TN SHIO poox lbuz nu Ay ueA S 0001 MN 3009 SISSVHO weubuoaky Ky uowBueu Buop uesBuoes 92 UOISIAIG OVAH WSN soruonoe 3 91 S po jeuoneu ejqeoidde Jo suone nBai e90 eui YIM eouepioooe ui p puno b eus yun Z jonpoud y ul Jenuew uomne eijsul v ui eouerduuoo ur paesu eq pinous un L m uoll ns Jly 9 Jv uonoeuuoo Ajddns 19wog uonoeuuoo edid ure1q gogg srob oe gz ezs 101 uonoeuuoo edid seo 8 6 29 60 2 496902 929 yun uonoeuuoo edid pinbr L D r ia 9121 99 8 21 8t 80 8 1 56 8 er 0071 296 gt uoniduoseq UIEN JequinN uou uuu yun 91 6 1 6 OSH 916 1 Op 91 6 1 91 6 1 cVANEVSNNYV cVXNE8TTNuUV cVXNECYTONuUV y n Buipuep sry LGE Internal Use Only 108 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes shooting guide Copyright 2010 LG Electronics Inc All right reserved 109 Only for training and service purposes LGE Internal Use Only Trouble shooting guide Self diagnosis function J 111 Copyri
43. A Basic function L Neo Plasma Wall Mounted C Plasma Ceiling Cassette G Low Static U Floor Standing without Case ART COOL Type Panel Color B Blue R Mirror V Silver Chassis Name Electrical Ratings 1 16 115V 60Hz 2 16 220V 60Hz 6 10 220 240V 50Hz 7 10 100V 50 60Hz 3 10 208 230V 60Hz Total Cooling Capacity in Btu h Class EX 18 000 Btu h Class gt 18 Combination of Inverter Type and Cooling Only or Heat Pump N AC Inverter and H P V AC Inverter and C O U DC Inverter and H P and C O MULTIV System with Indoor Unit using R410A 3 LGETA U Ex URN LGE Internal Use Only nits Ceiling Cassette local 8 22000 o I 13 27 71 30 m bl 20 Way TP TID TONY 23 Art Cool Series 34 45 Ceiling Concealed Duct LOW L RN as n 55 Kuihceo CT TEN 62 gil us ric 67 Wall Mounted General Wall MOUSE uoo aaa yasa or nto 76 Ceiling amp Floor Ceiling amp Floor Ceiling SUSD ENO 87 Floor Standing um an 94 Vertical Air Handling Unit 117 Copyright 2010 LG Electronics Inc All right reserved 7 Only for training and service purposes LGE Internal Use Only Ceiling Mounted Cassette Type 1Way b incuons uu um a AiD 9 2 Operation Details Raya aaa J J T 10 3 DIMEN
44. A2 URNU763B8A2 URNU963B8A2 Wall Mounted ARNU073TR 2 ARNU093TR 2 ARNU123TR 2 ARNU153TQ 2 ARNU183TQ 2 ARNU243TP 2 ARNU283TP 2 ARNU363TN 2 ARNU423TM 2 ARNU483TM 2 ARNUO7SSE 2 ARNU153SE 2 ARNUOOSSE 2 ARNU1835572 ARNU123SE 2 ARNU24355 2 A Basic L Plasma A Basic C Plasma Ceiling Concealed Duct Low Static ARNUO73B1G2 ARNU153B162 ARNUO93B1G2 ARNU183B262 ARNU123B1G2 ARNU243B262 Ceiling Concealed Duct Built in ARNUO73B3G2 ARNU153B362 ARNUO93B3G2 ARNU183B462 ARNU123B3G2 ARNU243B462 Ceiling amp Floor 9 2 ARNU123VEA2 Ceiling Suspended ARNU183VJA2 ARNU243VJA2 Ceiling Cassette 2Way ARNU183TL 2 ARNU243TL 2 A Basic C Plasma ART COOL Mirror ARNUO73SE 2 ARNU093SE 2 ARNU123SE 2 ARNU153SE 2 ARNU18358 2 ARNU24358 2 R Mirror V Silver B Blue Floor Standing With case ARNU073CEA2 ARNU093CEA2 ARNU123CEA2 ARNU153CEA2 ARNU183CFA2 ARNU243CFA2 Without case ARNU073CEU2 ARNU093CEU2 ARNU123CEU2 ARNU153CEU2 ARNU183CFU2 ARNU243CFU2 Vertical AHU ARNU183NJA2 ARNU243NJA2 ARNU303NJA2 ARNUS63NJA2 ARNU423NKA2 ARNU483NKA2 ARNU543NKA2 s Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Nomenclature 3 Nomenclature Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes TIR Generation Combinations of functions
45. C 80 F Low temperature T 25 0 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 28 C 82 F 28 C 82 F Setting Temperature T sr 27 C 80 F 27C 80F 27C 80F 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 3000869 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 90 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 30 C 86 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart of M a E E Outdoor fan Setting fan Setting fan Initial Hotstart On state Power Off m On Operation Off On Cooling operation m Heating operation Defrost operation Copyright 2010 LG Electronics Inc All right reserved 91 Only for training and service purposes LGE Internal Use Only mens ons Dimensions AA 4G3O2 SISSVHO 2910 61 179 weubuosky Ao uowBueu Buop uesfuoes 92 ulul002 uet 20 s Jour uey eo ululog uey ww0oz ueu 310W wwu0oZ Uey eJo uuuu iun oeds x S po euoneu ajqeoldde suolj nB 1 e5o ay ui BOUePIODIe u p
46. Cooling Mode Operation When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF 7 More than More than 0 5 C 33 F 3 minutes 3 minutes INDOOR FAN Selected Low Selected Low Selected Speed Speed Speed Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 To be selected higher temperature To be selected higher temperature 2 contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Swirl Swing Control Vane 2 Vane 2 4 is almost vane closed while vane1 3 is opened Vane 1 3 and vane 2 4 turn over minutely Vane 1 Vane 3 Copyright 2010 LG Electronics Inc All right reserved 23 Only for training and service purposes Operation Detail E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor pipe Temperature 36 C 96 F 33 C 92 F 25 C 76 F 20 C 68 F 4 1 Room 4 Temperature 7 b Thermal Off L Thermal On l I l Minimum TE Bmin EN Thermal ON OFF ON Outdoor fan ON OFF ON Settin
47. D FAN i LOW Copyright 2010 LG Electronics Inc All right reserved 11 Only for training and service purposes Low LGE Internal Use Only Dimensions mens ons 41 300 SISSVHO 2910 612 179 weuBbuoaky UOMBuUeUD Buop uesBuoes 92 ONN Ld eureN jeueq S pO euoreu o qeordde 10 suone n8eiJ e20 eui y m eouepuoooe ui pepunoj eq eys HUN Z xoq jonpoJd y ui fenuew uone eisul eui uy eouerduioo ui palesu eq pinous Hun L m ju 6 eBueuosip av 46 uonons Jy LZZ 6 ezs yu uonoeuuoo edid seo gg 99 0 z1 516 nz ezisuu uonoeuuoo edid pinbr uoniduoseq WeN JequinN ww yun 2 19201 2 02 1 0 Aem n sse2 Duro diy 198 0011 LGE Internal Use Only 12 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions NL 3GO9 SISSVHO 1 179 weubuo0aky UomBueyy Guop uesfuoes 92 19915
48. Function m 1 Function Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low Soft Dry Operation Mode Intermittent operation of fan at low speed Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply Deice defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends The indoor fan does not rotate until the evaporator piping Hot start Control Heatin 9 temperature reaches 25 C 76 F High head height Drain pump A standard drain head height of up to 700mm 27 9 16inch is possible Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 95 Only for training and service purposes LGE Internal Use Only Operation Details E 2 Operation Details 1 The function of main coi E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by mic
49. JB I eus HUN Z 19npoid y ul jenuew uonelle sul eui ui BoUe dWOD u paesu eq pinous un w uollons Jl Jy uonoeuuoo Ajddns uolno uuoo edid ueq 8 c 8g 91 0 2 929 lun 2 1 212 081 121 163 zs yun uonoeuuoo edid sey Je 8 6 2 60 rz ezis lun b L GE 99 48L 221 9654 ezis lun uonoeuuoo edid pinbiq L uoniduoseq euleN JequinN uoul uuui pun 91 6 27 2101 91 6 r 91 11 68 bi 8001 91 c cv coecaevenNHv 00LL 2028681 91 S 1 9111 66 01 1 1 82 968 821 20186910 91 2 26 2018621 028 2018660 80188 0 q o V uour uuu pun Imensions c9egervenNuv 0068681 00186591 0018621 0018660 00186 0 ones MOF JONG pejeeouo pulloo 91 2 2 061 91 1 2 061 91 1 SL e8e 8 9 22 9 9 LGE Internal Use Only 60 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Ceiling Concealed Duct Type Built in bunun m RAH 62 2 Operation 5 2 nennen nnn 63 3 DIMENSIONS X M 66 Copyright 2010 LG Elect
50. Joooe u eq reys hun Z Xoq jonpoud eui ul jenuew uonelle sul eui uj soue dWOo ul paesu eq pinous Hun L m UOIJ ons JI 9 abyeyosip sy uonoeuuoo iddns Jamog uonoeuuoo edid 120 iiez 9ue eve _ 1 262 9 46 2 1 262 j 8 9 88 S1 9 4zb Y9e48e 9zIS yun uolo uuoo edid seg 9 6 22 60 279196982 929 yun uonoeuuoo edid pinbr1 L youuu pun i uoniduoseq JequinN 1 9 891 uzre j V 7 g01 8 9928111 9 22 008 xz 00192 Qusi 2 sz 8 2 1 62 91 51 6 197 8710627 i eyodeeynNuy cVOECIENNYV oVOSE8efINHV oneis YBIH nq pereeouo Bue LN LGE Internal Use Only 73 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions U102 U0 8 AMAN UJ09 2 AUB WMM ulooesnD MAMA LZ Lv9 2 940 PN SHIO poowejbu3 enue y ueAl S 0001 ug 3dO2 SISSVHO ureuBuoe e WO uowBueu 5 92 UOISIAIG DYAH WSN soiuouoe 3 51 91 9 06271 fpe Sepoo euoneu e qeoidde Jo suonejnBai e90 eui y m eouepa4oooe u aq ieys hun Z
51. LGE Internal Use Only Dimensions mens ons Bsp U09 uooJreeD ww MW Woo esnB MMM LZ Lr9 2 940 TN SHIO enueAy ueA AS 0001 HS 3002 SISSVH2 ureuDuoef o Ayo uowBueuo Buop uesBuoes 92 UOlSIAIQ OVAH WSN soluolo l3 57 Sepoo euoreu ejqeordde Jo suoll nB 1 e20 eui eouepJoooe ui eq 248 yun Z S VL 2 s 8 22 29S xoq 1onpoJd eu ul Jenuew uomel ejsul eui YM eouerjduuoo u palesu eq pinous hun L N m 1146 uonons y N co N 00 8 1 11 282 IB eBxeyosip iv L uoniduoseq JequinN uoui uuu yun ORAT 96 916 2 38261 8 S G 8 L LL 39821 691 2 2 38660 2 386 0 q IPPON y u ww yun 2 1 9 491 CxdSESLNNYV CxdSECLNNYV Cx SEBONNYV Cx SEZLONNYV 10MIN 1OOO LYV LGE Internal Use Only 43 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions 8S 34 SISSVHO 69103 L Lv9 Ao uowBueu Buop uesBuoes 92 Sepoo jeuoneu ejqeordde JO suonejn6ei eol eui y m eouepuJoooe ui eq eus hun Z xoq 1onpoud aui ui Jenuew uome ejsul eui ui eouerduuoo ul paesu eq pinous Hun L
52. M I pON your ww yun CxASECLNNYV 192660 198 0 Male 17009 LYV loH XId 8 9 02 529 lt 8 S 61 00S loH i Oo LGE Internal Use Only 54 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Ceiling Concealed Duct Type Low static bunun 56 2 Operation Details aaa Ra aaa T J 57 s DIMENSIONS X M 60 Copyright 2010 LG Electronics Inc All right reserved 55 Only for training and service purposes LGE Internal Use Only Functions m 1 Funtions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low Soft Dry Operation Mode Intermittent operation of fan at low speed Although the air conditioner is turned off by a power failure it is restarted aut
53. SIONS X M 12 Copyright 2010 LG Electronics Inc All right reserved 8 Only for training and service purposes LGE Internal Use Only Functions fil 1 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Conirol Jet High Med Low Lolow Soft Dry Operation Mode Intermittent operation of fan at low speed Airflow Direction Control The louver can be set at swing up and down automatically Auto Restart Although the air conditioner is turned off by a power failure it is restarted auto matically previous operation mode after power supply Deice defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends The indoor fan does not rotate until the evaporator pip Hot start Control Heatin 9 ing temperature will be reached at 25 C 76 F e To install a unit is very convenient because of smaller Compact and light design size The most advanced low noise design The adoption of turbo fan and round type heat exchang er give the quietest operation Low noise Long life wrinkle type and washable and anti bacteria L life filt 777757 filter is adopted B
54. Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule e While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehumidification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 C 37 F or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 2 C 36 F Compressor OFF Temp gt Setting Temp 4 C 39 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C 68 F x Intake Air Temp gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 20 C 68 F gt 20 C 68 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule e While in Fuzzy operation the airflow speed of the indoor fan is set to the high or th
55. Z xoq 1onpoJd y ui yenuew uone ejsu eui uj eouerjdujoo ui paesu eq pinous yun m UOROnS Jl v eDJeuosip Jy uonoeuuoo Ajddns s Mo i uonoeuuoo edid ueq 8 6 88 Lo pz ezis uum zob ore Ere 02 zIs lun uornoeuuoo edid sec 8 6 29 60 9215 pun p L Se 99 48 Lore 469 929 lun uonoeuuoo edid pinbi7 L uoniduoseq eureN JequinN uour uiu yun eVH8ErenNuV 0 8681 0 8691 0 8621 0 8660 0 86 0 ones YBIH yong 91 6 3 071 9UEL TIG p 1 01 092 4 6 9 99 91 1 2 26 gii Ley ex rig pe 298 A Eyesieiz eese 91 6 6 6vz 21 2 79 9 1 1 09 ie veye8s 211 62009 9 9 11 96 206 21 09 8 6 62 97 LGE Internal Use Only 72 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions weuBuoahy IO uowBueu Buop uesBuoes 92 UOISIAIG WSN s luon lz 99g 3300 SISSVHO Ssepoo euongu lqeolldde 12 592011 e20 eui YIM eouep
56. appliance is on pause the sleep timer mode cannot be input e While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C 34 F After another 30 min elapse it increases by 1 C 34 F again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium E Chaos Swing Mode By the Chaos Swing key input the vane automatically operates with the Chaos Swing or they are fixed to the desired direction Bl Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation E Jet Cool Mode Operation Outdoor unit C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then op
57. ation Lamps LED Signal Receptor Receives the signals from the remote control Signal receiving sound two short beeps or one long beep Operation Indication Lamps D On Off Lights up during the system operation gt Sleep Mode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operation Defrost Mode Lights up during Defrost Mode or Hot Start operation BB Temperature Indicate the setting temperature Soft Dry Operation Mode SleepititotiepeatbcOaitial atow speed The fan is switched to low Cooling med Heating speed Defrost Deice control Heating Natura wil rite By TAOS Logic 6 7 hours Both the indoor and outdoor fan stops dur ing defrosting Hot start Control Heating e The fan itched to intermittent or irregular operation TAb five phe GtiorioTelidagj switched from high to low speed The indoor fan does not rotate until the evaporator pipe temperature will be reached at 28 C 82 F The louver can be set at the desired position or swing up and down automatically Copyright 2010 LG Electronics Inc All right reserved 77 Only for training and service purposes Operation Details El 2 Operation Details DISPLAY 1 High quality LCD remote controller supplied Operation Indicator On while in appliance operation off while in appliance pause Timer on off and Sleep timer Indicator On while in timer mode on off and in s
58. d and the setting temp is automatically set according to the intake air temperature 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 18 C 64 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 18 C 64 F gt 18 C 64 F While in compressor off the indoor fan repeats low airflow speed and pause e While the intake air temp is between compressor on temp and compressor off temp 10 min dehumidification operation and 4 min compressor off repeat Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F e In 10 min dehumidification operation the indoor fan operates with the low airflow speed E Heating Mode Operation When the intake air temp reaches 3 Cabove the setting temp the compressor is turned off When below the setting temp the compressor is turned on Thermo ON Temp gt Setting Temp 2 C 36 F Thermo OFF Temp gt Setting Temp 4 C 39 F While in compressor on when above 38 C 100 F it operates with or setting airflow speed while in sleep mode with the medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C 92 F when above 35 C 94 F it operates with the low airflow speed While in defrost control both of the indoor and outdoor fans are turned off E Defr
59. defrost control Heating Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends The indoor fan does not rotate until the evaporator piping Hot start Control Heatin 9 temperature reaches 25 C 76 F High head height Drain pump A standard drain head height of up to 700mm 27 9 16inch is possible Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 88 Only for training and service purposes LGE Internal Use Only Operation Details El 2 Operation Details 1 The function of main contre M Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 amp Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF 7 7 More than More than 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting beli Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON Thermal ON Thermal OFF ndoor Unit mode ST 0 5 ST 0 5 To be selected highe
60. e Room Temperature Room temperature sensor THERMISTOR Room temperature control e Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor fan is delayed for 5 sec at the starting m Indoor Fan Speed Control High Med Low CHAOS Operation indication Lamps LED Signal Receptor Receives the signals from the remote control Signal receiving sound two short beeps or one long beep Operation Indication Lamps D On Off Lights up during the system operation s amp Sleep Mode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operation Defrost Mode Lights up during Defrost Mode or Hot Start operation Soft Dry Operation Mode Intermittent operation of fan at low speed Sleep Mode Auto Control The fan is switched to low Cooling med Heating speed 5 The unit will be stopped after 1 2 3 4 5 6 7 hours Defrost Deice control Heating Natural Air Control by CHAOS Logic Both the indoor and outdoor fan stops dur ing defrosting The fan is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed Hot start Control Heating Airflow Direction Control The indoor fan does not rotate until the The louver can be set at the desired position or swing up and down automatically at 28 C 82 F Copyright 2010 LG Electronics Inc All r
61. e medium according to the intake air temperature and the setting temperature lil Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos by the input of the airflow speed selection key on the remote controller E On Timer Operation When the set time is reached after the time is input by the remote controller the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached If the appliance is operating at the time set by the timer the operation continues E Off Timer Operation When the set time is reached after the time is input by the remote controller the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the timer is reached If the appliance is on pause at the time set by the timer the pause continues Copyright 2010 LG Electronics Inc All right reserved 50 Only for training and service purposes LGE Internal Use Only Operation Details E Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote controller the on off timer operation is carried out according to the set time E Sleep Timer Operation When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr gt is input by the remote controller while in appliance operation the operation of the appliance stops While the
62. ected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C 76 F x Inatake Air Temp gt Fuzzy Operation for Cooling 21 C 70 F x Inatake Air Temp lt 24 C 76 F gt Fuzzy Operation for Dehumidification Inatake Air Temp 21 C 70 F gt Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is turned on Compressor ON Temp Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F lt Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Tem
63. eed when it becomes lower than 40 C 104 F fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically To be operated Low except initial Hotstart operation High Static Low Static Convertible Chassis BH BG BR B1 B2 CE CF VE VJ Hotstart On Ton 19 C 66 F 19 C G6 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C G6 F 26 C 78 F 26 C 78 F Hotstart Off T or 22 C 72 F 22 C 72 F 22 C 72 F 20 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 27 C 80 F 27 C 80 F Low temperature T 25 0 76 F 25 C 76 F 25 C 78 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 28 C182F 28 C 82 F Setting Temperature T sr 27 C 80 F 27C 80F 27C 80F 27 C 80 F 27 C 80 F 27 C 80 F 27 C 80 F 30 C 86 F 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 97 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 30 C 86 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart 7 s G E EEE Outdoor fan Setting fan Setting fan Initial Hotstart On state Power Off m On Operation Off us On Cooling operation gt Heating operation Defro
64. ens ons N3 p dl 4400 SISSVHO B loy 61 179 Ao UoMBueYD Buop uesBuoss 92 S31u043129 3 51 810UI 10 WWOOS 810UJ 10 WIS 2100 10 WW00S 3ovds aauinoau enuew uomel ejsul eui YM eouerpduioo ul pejeisul eq pinous hun MAIA MOHHV V 3 0 JOH 60 61 b NOLO3NN02 NOLLO3NNOO 1000 HNvug Sepoo euoneu ejqeoidde Jo suopejnb feool eui uy eouep4oooe ui jeus 1141 zZ jonpoud eui u N 1900 HONVHS ojo9uuo ong uouelg 969 EIS jiu uonons uy IIM6 eBreuosip sy uonoeuuoo Ajddns samod 260 024 uonoeuuoo edid ueq 88 910 82 trz ezis NUN uonooeuuoo edid sey eS 60 018Z ipz ezis lun uoroeuuoo edid pinbr uoniduoseq euleN 1equinN ww un cxd LOBCNNYV csd LOVCNNYV csd LOLCNNYV ayassey pulp lt 39VdS 9NIN3dO 9411132 026 0 8 MIIA MOtutV imi S 7 L NOLLISOd NOISN3d8nS Z89
65. ent because of smaller mpact and light i Compact end lightdesign size than textile The most advanced low noise design The adoption of turbo fan and round type heat exchang er give the quietest operation Low noise Long life wrinkle type and washable and anti bacteria L life filt 25777 filter is adopted Built in drain pump automatically drains water A standard drain head height of up to 700mm 27 9 16inch is possible High head Drain pump High Ceiling corresponding Function According to the height of ceiling the RPM of indoor fan motor is selected to increase air reaching distance Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 17 Only for training and service purposes LGE Internal Use Only Operation Detail m 2 Operation Detail 1 The function of main co Auto Swing Control This function is to swing the louver up and down automatically E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air Tem
66. epunojJf ileus pun Z xoq jonpoud y u Jenuew uonelleisul eui YM eouerjdujoo ur p lleisul eq pinous hun L n lojeoipur uomeJedQ y 19 9291 euis lou HIS uonoeuuoo Buldiq lou WIS uonoeuuoo lou sou uep epis 437 lou sou ureip epis 4y 9 0 uoisuedsng aBseyosiq ej uonong uoipeuuoo Z 0 edid seo uonoeuuoo 9Je J 66790 edid pinbr L uoniduoseq JequinN o m sf O ol Ni 00 O ww un ooz YA4A CM NuV eV3JAO60nNHV q I pOIN ww yun cVAA9 LANYV 4001 uie LGE Internal Use Only 92 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes Dimensions TA 4402 SISSVHO 9103 61 199 weubuoady uowBueu Buop uesBuoes 92 wwoog ueu ew P gt P WWOOZ uey ULUQOZ UELI ION uuuu iun 5eds x s poo jeuolyeu ejqeordde Jo suonejnBai e20 eui YIM eouepJoooe ui pepunojD eys hun Z
67. erated in order that the air outflow could reach further E Jet Cool Mode Operation Outdoor unit H P Model e While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance automatically operates in the mode on the memory Operation Mode that is kept on the memory Copyright 2010 LG Electronics Inc All right reserved 51 Only for training and service purposes LGE Internal Use Only Operation Details State of Operation ON OFF Operation Mode Setting Temp Selected Airflow Speed Sleep Timer Mode Remaining Time of Sleep Timer unit of hour ll Forced Operation Outdoor unit C O Model To operate the appl
68. eration Mode Intermittent operation of fan at low speed Although the air conditioner is turned off by a power failure it is restarted auto Auto Restart matically previous operation mode after power supply Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends Deice defrost control Heating I The indoor fan does not rotate until the evaporator piping Hobstar Control Heating temperature reaches 25 C 76 F High head height Drain pump A standard drain head height of up to 700mm 27 9 16inch is possible Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 68 Only for training and service purposes LGE Internal Use Only Operation Details E 2 Operation Details 1 The function of main co E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation e When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 40 5 C 33 F Thermo OFF SET TEMPERATURE 0 5 C 33 F More than 3 min
69. erature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is set to the high or the medium according to the intake air temperature and the setting temperature E Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos by the input of the airflow speed selection key on the remote controller E On Timer Operation When the set time is reached after the time is input by the remote controller the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached If the appliance is operating at the time set by the timer the operation continues E Off Timer Operation When the set time is reached after the time is input by the remote controller the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the timer is reached If the appliance is on pause at the time set by the timer the pause continues Copyright 2010 LG Electronics Inc All right reserved 81 Only for training and service purposes LGE Internal Use Only Operation Details E Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote controller the on off timer operation is carried out according to the set time E Sleep Timer O
70. g Setting Setting Indoor fan StopiLow Low fan Low fan Low Stop StopiLow fan 1 _ Speed Speed Speed 4 Way ON Thermal ON Thermal OFF Indoor Unit mode ST 2 ST 4 2TH To be selected lower temperature To be selected lower temperature Remo Indoor contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo mode ST 0 ST 2 E Hot start Control The indoor fan does no rotate until the evaporator piping temperature will be reached to 25 C 76 F The operation diagram is as following Pipe temperature 35 C 30 C 27 C 25 C 94 F 86 F 80 F 76 F 22 C 72 F Indoor fan speed COMP Copyright 2010 LG Electronics Inc All right reserved 24 Only for training and service purposes LGE Internal Use Only Dimensions mens ons HL 3009 SISSVHO 90109 EL Z Lv9 weubuosky o uomBueu Buop uesBuoes 92 MAIA MOHHV 0101 10 ullu00S NOLL53NN02 1010 HONVUB N X SOURCE B alu oS 10W 1o WS a10 10 WUDOS 3 Ydas qaulnoau s poo euoneu ejqeoijdde Jo suone n6ai e20 v uum eouepaoooe ui pepunojD peys hun Z xoq 1onpoud eu u Jenueuu uonej ejsui eui ui eoueiiduioo ui palesu eg Pinoys iuf L lON m Iu uonons ary IIM6 eGyeuosip aly uonoeuuoo Ajddns Jamog ZEo SZdA uonoeuuoo edid ureiq LV 46 AL ys ezis wun uonoeuuoo edid sec 96 901 21 4
71. g temperature selected by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F x Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temperature 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is tur
72. ght 2010 LG Electronics Inc All right reserved 110 Only for training and service purposes LGE Internal Use Only Self diagnosis function 5 Self diagnosis function Self Diagnosis Function Error Indicator This function indicates types of failure in self diagnosis and occurrence of failure for air condition Error mark is displayed on display window of indoor units and wired remote controller and 7 segment LED of outdoor unit control board as shown in the table If more than two troubles occur simultaneously lower number of error code is first displayed After error occurrence if error is released error LED is also released simultaneously Error Display 1st 2nd LED of 7 segment indicates error number 3rd LED indicates unit number Ex 211 No 21 error of master unit 213 No 21 error of slave2 011 051 No 105 error of master unit Display Title Cause of Error 0 1 Air temperature sensor of indoor unit Air temperature sensor of indoor unit is open or short 0 2 Inlet pipe temperature sensor of indoor unit Inlet pipe temperature sensor of indoor unit is open or short 0 3 ames Failing to receive wired remote controller signal in indoor unit PCB indoor unit 5 0 4 Drain pump Malfunction of drain pump 5 05 Transmission error outdoor unit indoor unit Failing to receive outdoor unit signal in indoor unit PCB e P O 6 Outlet pipe temperature
73. ht 2010 LG Electronics Inc All right reserved 29 Only for training and service purposes LGE Internal Use Only Operation Detail E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor pipe Temperature 36 C 96 F 33 C 92 F 25 C 76 F 20 C 68 F 4 1 Room 4 Temperature 7 b Thermal Off L Thermal On l I l Minimum TE Bmin EN Thermal ON OFF ON Outdoor fan ON OFF ON Setting Setting Setting Indoor fan StopiLow Low fan Low fan Low Stop StopiLow fan 1 _ Speed Speed Speed 4 Way ON Thermal ON Thermal OFF Indoor Unit mode ST 2 ST 4 2TH To be selected lower temperature To be selected lower temperature Remo Indoor contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo mode ST 0 ST 2 E Hot start Control The indoor fan does no rotate until the evaporator piping temperature will be reached to 25 C 76 F The operation diagram is as following Pipe temperature 35 C 30 C 27 C 25 C 94 F 86 F 80 F 76 F 22 C 72 F Indoor fan speed COMP Copyright 2010 LG Electronics Inc All right reserved 30 Only for training and service purposes LGE Internal Use Only Dimensions m
74. ht of ceiling the RPM of indoor fan motor is selected to increase air reaching distance Central Control Optional t is operating individually or totally by central control function Swirl Swing Control t is operating swirl swing Copyright 2010 LG Electronics Inc All right reserved 28 Only for training and service purposes LGE Internal Use Only Operation Detail B 2 Operation Detail 1 The function of main co Auto Swing Control This function is to swing the louver up and down automatically E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF 777 More than More than 0 5 C 38 F 3 minutes 3 minutes INDOOR FAN Selected Low Selected Low Selected Speed Speed Speed Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 To be selected higher temperature To be selected higher temperature contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyrig
75. iagnosis function After replacing the indoor unit PCB make sure to be done to do Auto addressing and input the address of central control If ODU Dry Contact function is set different mode operation error may be occurred because the operation mode is fixed Error Type Error Point Main Reasons Error developed in transmission between the 09 Indoor unit EEPROM micro processor and the EEPROM on the sur error face of the PCB ERROR due to the EEPROM damage M Error diagnosis and countermeasure flow chart Replace the indoor unit PCB and then make sure to perform Auto addressing and input the address of central control Copyright 2010 LG Electronics Inc All right reserved 118 Only for training and service purposes LGE Internal Use Only Self diagnosis function Error No Error Type Error Point Main Reasons Indoor unit BLDC fan motor 10 failure Indoor BLDC fan motor feedback signal is absent 1 Motor connector connection fault 2 Indoor PCB fault 3 Motor fault for 50 sec M Error diagnosis and countermeasure flow chart Is connector No C i i connection proper one propery Yes Replace indoor unit fan motor Is fan motor normal Yes Replace indoor unit PCB It is normal when check hall sensor of indoor fan motor as shown below Each termainl with the tester Tester Normal
76. iance by force in case that the remote controller is lost the forced operation button is on the main unit of the appliance to operate the appliance in the standard conditions Press the forced operation button the forced operation is carried out Press the forced operation button once again to stop operation The forced operation is carried out in cooling mode with the setting temperature 22 C 72 F and the high speed of airflow ll Forced Operation Outdoor unit H P Model To operate the appliance by force in case that the remote controller is lost the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions Press the forced operation button the forced operation is carried out Press the forced operation button once again to stop operation In the forced operation mode the indoor fan is operated at low speed for around 15 sec and then the operation condition is set according to the intake air temperature as follows 24 C 76 F x Intake Air Temp gt Cooling Mode Operation 22 C 72 F High Speed 21 C 70 F x Intake Air Temp lt 24 C 76 F gt Dehumidification Operation 23 C 749F High Speed Intake Air Temp 21 C 70 F gt Heating Mode Operation 24 C 76 F High Speed M Test Operation Control To check the condition of the installation when installing the appliance the appliance is operated at cooling mode high speed of airflow com
77. ight reserved 35 Only for training and service purposes LGE Internal Use Only Operation Details m 2 Operation Details DISPLAY 1 High quality LCD remote controller supplied Operation Indicator e On while in appliance operation off while in appliance pause Timer Indicator On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indicator On while auto restart mode off while auto restart mode is canceled Auto restart In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions If your want to use this operation press the Auto Restart Button Power Forced Operation Operation starts when this button is pressed and stops when you press the button again Cooling Mode Operation When the intake air temperature reaches 0 5 C 33 F below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C 33 F above the setting temp they start to operate again Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F e While in compressor running operating with the airflow speed set by the remote co
78. ion Defrost Mode Lights up during Defrost Mode or Hot Start operation Soft Dry Operation Mode Intermittent operation of fan at low speed Sleep Mode Auto Control The fan is switched to low Cooling med Heating speed 5 The unit will be stopped after 1 2 3 4 5 6 7 hours Defrost Deice control Heating Natural Air Control by CHAOS Logic Both the indoor and outdoor fan stops dur ing defrosting The fan is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed Hot start Control Heating Airflow Direction Control The indoor fan does not rotate until the evaporator pipe temperature will be reached The louver can be set at the desired position or swing at 28 C 82 F __up and down automatically Copyright 2010 LG Electronics Inc All right reserved 46 Only for training and service purposes LGE Internal Use Only Operation Details n 2 Operation Details DISPLAY 1 High quality LCD remote controller supplied Operation Indicator e On while in appliance operation off while in appliance pause Timer Indicator On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indica
79. is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET COOL function at any moment the A C starts to blow the cool air with side louvers closed at extremely high speed for 30 minutes setting the room temp automatically to 18 C Jet Cool Mode Operation Outdoor unit H P Model e While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET HEAT function at any moment the A C starts to blow the hot air with side louvers closed at extremely high speed for 60 minutes setting the room temp automatically to 30 C 86 F Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance automatically operates in the mode on the memory Operation Mode that is kept on the memory State of Operation ON OFF Copyright 2010 LG Electronics Inc All right reserved 82 Only for training and service
80. is operated for 2 15 sec randomly by the Chaos Simulation E Jet Cool Mode Operation Outdoor unit C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further E Jet Cool Mode Operation Outdoor unit H P Model e While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach
81. it and Remo contrast Indoor Unit and Remo Remo mode ST 0 ST 2 E Hot start Control The indoor fan does no rotate until the evaporator piping temperature will be reached to 25 C 76 F The operation diagram is as following Pipe temperature 35 C 30 C 27 C 25 C 94 F 86 F 80 F 76 F 22 C 72 F Indoor fan speed COMP Copyright 2010 LG Electronics Inc All right reserved 19 Only for training and service purposes LGE Internal Use Only Dimensions mens ons woUe MMM UJoo oeAUB WW Woo esnb MAMA B810y L Lr9 289 0 TN SHIO anuany ueAI S 0001 weubuosky Ao UoOMBueUD Buop uesBuoes 92 UOlSIAIQ OVAH WSN so2luo1 lg 91 11 3040 SISSVHO 1813 982 91 9 1 0901 5 9921 Sepoo euoreu ejqeordde suone nBai 620 eui uii eouepJoooe ui p punolb eq eus hun Z xoq jonpoJd eui ui 56 2688 Jenuew uonelle sul v ui eoueliduioo ui palesu eq pinous Yun L m u6 aBseyosip ay 46 uonons uy eses 5 1 0 4 2 2 1 210 81 uonoeuuoo edid seo 8 6 22760 2 aega 81 uonoeuuoo edid pinbiq 91 21 01 9 2
82. it is open amp the unit is stopped automatically High position Open Condensate water Copyright 2010 LG Electronics Inc All right reserved 114 Only for training and service purposes LGE Internal Use Only Self diagnosis function float A Point to check rotating Indoor PCB drain pump connector Check input of 208 230V Marked as CN DPUMP Float switch connector Float switch Housing CN FLOAT Standard of drain pipe head height slope 7 1 50 1 100 700mm 27 9 16inch Copyright 2010 LG Electronics Inc All right reserved 115 Only for training and service purposes LGE Internal Use Only Self diagnosis function pd Error Type Error Point Main Reasons Auto addressing is not done transmission cable is not connected Short circuit of transmission cable Indoor unit transmission circuit fault Outdoor unit transmission circuit fault Not enough distance between power and trans mission cable No signal transmission between indoor amp outdoor units 05 Indoor amp Outdoor unit transmission error O O GQ N E Error diagnosis and countermeasure flow chart Replace the PCB of indoor unit No displayed error Re connect after check the No Is total number of indoor units connected displayed after auto addressing Does all the IDUs show same error code 5 transmission cable of indoor
83. le operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting When the indoor pipe temp is 7 C 45 F or higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature E Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds When a key is input by the remote control while the slide switch on the main unit of the appliance is on the forced operation position the error sound beep beep beep beep beep is made 10 times to indicate that the remote control signal cannot be received Copyright 2010 LG Electronics Inc All right reserved 83 Only for training and service purposes Operation Details Bi Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille
84. leep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions If your want to use this operation press the Auto Restart Button Power Forced Operation Operation starts when this button is pressed and stops when you press the button again E Cooling Mode Operation e When the intake air temperature reaches 0 5 C 33 F below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C 33 F above the setting temp they start to operate again Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F While in compressor running operating with the airflow speed set by the remote controller While in com pressor not running operating with the low airflow speed regardless of the setting Copyright 2010 LG Electronics Inc All right reserved 78 Only for training and service purposes LGE Internal Use Only Operation Details M Healthy Dehumidification Mode When the dehumidification operation input by the remote controller is received the intake air temperature is detecte
85. mer is reached If the appliance is on pause at the time set by the timer the pause continues Copyright 2010 LG Electronics Inc All right reserved 39 Only for training and service purposes LGE Internal Use Only Operation Details E Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote controller the on off timer operation is carried out according to the set time E Sleep Timer Operation When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr is input by the remote controller while in appliance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input e While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C 34 F After another 30 min elapse it increases by 1 C 34 again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium E Chaos Swing Mode By the Chaos Swing key input the vane automatically operates with the Chaos Swing or they are fixed to the desired direction Bl Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode
86. nds The indoor fan does not rotate until the evaporator pip Hot start Control Heatin 9 ing temperature will be reached at 25 C 76 F e To install a unit is very convenient because of smaller Compact and light design Size than textile The most advanced low noise design The adoption of turbo fan and round type heat exchang er give the quietest operation Low noise Long life wrinkle type and washable and anti bacteria L life filt filter is adopted High head Drain pump Built in drain pump automatically drains water A standard drain head height of up to 700mm 27 9 16inch is possible High Ceiling corresponding Function According to the height of ceiling the RPM of indoor fan motor is selected to increase air reaching distance Central Control Optional t is operating individually or totally by central control function Swirl Swing Control t is operating swirl swing Copyright 2010 LG Electronics Inc All right reserved e225 Only for training and service purposes LGE Internal Use Only Operation Detail B 2 Operation Detail 1 The function of mai Auto Swing Control This function is to swing the louver up and down automatically E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E
87. ned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F lt Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F lt Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehumidification operation Copyright 2010 LG Electronics Inc All right reserved 38 Only for training and service purposes LGE Internal Use Only Operation Details 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 C 37 F or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 2 C 36 F C
88. ned on before Auto Addressing CN REMO Remote controller connection The PCB can differ from model to model Check from the right source Checking transmission cable connection status Copyright 2010 LG Electronics Inc All right reserved 113 Only for training and service purposes LGE Internal Use Only Self diagnosis function ri Error Type Error Point Main Reasons Float switch is open due to 1 Drain pump float switch fault rising of condensate water 2 Improper drain pipe location clog 04 Drain pump error level because of drain ging of drain pipe pump fault or drain pipe 5 indoor unit PCB fault clogging E Error diagnosis and countermeasure flow chart Is the drain pan filled half with condensate water half level of float switch Is Float switch short On measuring its resistance No Yes Replace Indoor PCB or reconnect the connector Yes In indoor unit PCB Does the terminal voltage for drain pump has 208 230V output Yes Replace Drain Pump Check the drain head height and slope Is drain pump working N No No Sound drain noise contact etc No Replace float switch Replace indoor unit PCB Yes Drain pump blocked by 7 foreign particles Yes Checking float switch Low position short km Remove it amp clean the pump If the float goes up higher than a half of float switch then the circu
89. ntroller While in compres sor not running operating with the low airflow speed regardless of the setting M Healthy Dehumidification Mode When the dehumidification operation input by the remote controller is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C 78 F lt Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 18 C 64 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 18 C 64 F gt 18 C 64 F While in compressor off the indoor fan repeats low airflow speed and pause e While the intake air temp is between compressor on temp and compressor off temp 10 min dehumidification operation and 4 min compressor off repeat Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F e In 10 min dehumidification operation the indoor fan operates with the low airflow speed M Heating Mode Operation Copyright 2010 LG Electronics Inc All right reserved 36 Only for training and service purposes LGE Internal Use Only Operation Details When the intake air Temp reaches Compressor OFF Temp the compressor is turned off When the intake air Temp reaches Compressor ON Temp the compressor is turned on Themo ON Temp gt Setting Temp 2 C 36
90. o Auto Restart I i matically previous operation mode after power supply Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends Deice defrost control Heating The indoor fan does not rotate until the evaporator piping 3 Heating temperature reaches 25 C 76 F High head height Drain pump A standard drain head height of up to 700mm 27 9 16inch is possible Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 56 Only for training and service purposes LGE Internal Use Only Operation Details m 2 Operation Details 1 The function of main c M Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 amp Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF More than More than DURO 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting Low Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON Thermal
91. ompressor OFF Temp gt Setting Temp 4 C 39 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C 68 F x Intake Air Temp gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 20 C 68 F gt 20 C 68 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is set to the high or the medium according to the intake air temperature and the setting temperature lil Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos by the input of the airflow speed selection key on the remote controller E On Timer Operation When the set time is reached after the time is input by the remote controller the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached If the appliance is operating at the time set by the timer the operation continues E Off Timer Operation When the set time is reached after the time is input by the remote controller the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the ti
92. oor unit C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 339F or more above the setting temp the compres sor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F lt Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F lt Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temper Copyright 2010 LG Electronics Inc All right reserved 48 Only for training and service purposes LGE Internal Use Only Operation Details ature ll Fuzzy Operation Outdoor unit H P Model When any of operation mode is not sel
93. ost Control While in heating mode operation in order to protect outdoor unit from freezing reversed to cooling cycle to defrost the outdoor unit ll Fuzzy Operation Outdoor unit C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the set ting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time Copyright 2010 LG Electronics Inc All right reserved 79 Only for training and service purposes LGE Internal Use Only Operation Details 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F x Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule e While in Fuzzy operation the airflow
94. over 7 C 45 F the compressor and the outdoor fan are reoperated Outdoor fan motor stops when indoor pipe temperature is blow 3 C 37 F and restarts at the pipe temperature above 6 C 43 F or after 90 seconds if the pipe temperature does not rise to 6 C 43 F outdoor fan motor runs continuously at even below 3 C 37 F Copyright 2010 LG Electronics Inc All right reserved 41 Only for training and service purposes LGE Internal Use Only Operation Details M Buzzer Sounding Operation When the appliance operation key is input by the remote controller the short beep beep sounds When the appliance pause key is input by the remote controller the long beep sounds E Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again Copyright 2010 LG Electronics Inc All right reserved 42 Only for training and service purposes
95. p lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F x Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temperature 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the com pressor is turned on Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F Copyright 2010 LG Electronics Inc All right reserved 49 Only for training and service purposes Operation Details At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F x Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F x Intake Air
96. peration When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr is input by the remote controller while in appliance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input e While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C 34 F After another 30 min elapse it increases by 1 C 34 F again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium M Chaos Swing Mode e the Chaos Swing key input the vane automatically operates with the Chaos Swing or they are fixed to the desired direction E Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation H Jet Cool Mode Operation Outdoor unit C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C 64 F When the sleep timer mode
97. perature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF U7 More than More than 0 5 C 33 F 3 minutes 3 minutes INDOOR FAN Selected Low Selected Low Selected Speed Speed Speed Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 2TH Remo Indoor To be selected higher temperature contrast Indoor Unit and Remo To be selected higher temperature contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved 18 Only for training and service purposes LGE Internal Use Only Operation Detail E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor pipe Temperature 36 C 96 F d 33 C 92 F t m 25 C 76 F 20 C 68 F 4 3 5 Room 4 1 Temperature 1 i Thermal Off Thermal On I Minimum 5 min i di Thermal ON OFF ON Outdoor fan ON OFF ON Setting Setting Setting Indoor fan Stop Low Low fan Low fan Low Stop Stop Lovv fan i 1 speed speed speed 4 Way ON Thermal ON Thermal OFF Indoor Unit mode ST 2 ST 4 2TH To be selected lower temperature To be selected lower temperature Remo Indoor contrast Indoor Un
98. pressor on for 18 min without controlling the room temperature After supplying power to the main body keep pressing the forced operation button for about 3 seconds e While in test operation a key can be input by the remote controller When a key operation start stop operation mode selection airflow speed selection temperature control Jet Cool is input by the remote controller the test operation is canceled and the appliance is operated according to the setting by the remote controller M Protection of the evaporator pipe from frosting In the temperrature of the indoor pipe is below 0 C 32 F after 7 minutes from starting the compressor the compressor and outdoor fan are stopped and 3 minutes delay of operating of the compressor when the tem perature of the indoor pipe is over 7 C 45 F the compressor and the outdoor fan are reoperated Outdoor fan motor stops when indoor pipe temperature is blow 3 C 37 F and restarts at the pipe temperature above 6 C or after 90 seconds if the pipe temperature does not rise to 6 C 43 F outdoor fan motor runs con tinuously at even below 3 C 37 F Copyright 2010 LG Electronics Inc All right reserved 52 Only for training and service purposes LGE Internal Use Only Operation Details M Buzzer Sounding Operation When the appliance operation key is input by the remote controller the short beep beep sounds When the appliance pause key is input by the
99. r temperature To be selected higher temperature eT Memes indoor contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved 89 LGE Internal Use Only Only for training and service purposes Operation Details E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit 40 C 104 Heat Exchanger temperature Intake Air Temperature Setting Temperature Baw du ieee 3 C 37 F Thermal OFF Setting Temperature Thermal ON Thermal Outdoor fan Indoor fan Off Low Low 4way valve Compressor off interval A While the indoor Heat Exchanger temperature is higher than 40 C 104 F fan operates at low speed when it becomes lower than 40 C 104 F fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically C To be operated Low except initial Hotstart operation High Static Low Static Convertible Chassis BH BG BR B1 B2 CE CF VE VJ Hotstart On T on 19 C 66 F 19 C G6 F 19 C 66 F 19 C 66 F 19 C G6 F 19 C 66 F 19 C G6 F 26 C 78 F 26 C 78 F Hotstart Off T or 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 27 C 80 F 27
100. rature contrast Indoor Unit and Remo To be selected higher temperature contrast Indoor Unit and Remo Remo Mode ST40 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 10 LGE Internal Use Only Operation Detail E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor pipe Temperature 36 C 96 F 33 C 92 F 25 C 76 F 20 C 68 F Room Temperature Thermal Off Thermal On Minimum 83min Thermal ON OFF ON Outdoor fan ON Indoor fan Setting fan speed Setting fan speed Stop i Low i Low Low OFF ON Setting fan speed Low Stop Stop 4 Way Thermal ON Thermal OFF Indoor Unit mode ST 2 ST 4 2TH To be selected lower temperature To be selected lower temperature Remo Indoor contrast Indoor Unit and Remo contrast Indoor Unit and Remo Remo mode ST 0 ST 2 E Hot start Control The indoor fan does no rotate until the evaporator piping temperature will be reached to 25 C 76 F The operation diagram is as following Pipe temperature 35 C 30 C 27 C 25 C 94 F 86 F 80 F 76 F Dr e 22 C 72 F Indoor fan speed COMP SELECTE
101. remote controller the long beep sounds Bi Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again Copyright 2010 LG Electronics Inc All right reserved 53 Only for training and service purposes LGE Internal Use Only Dimensions mens ons AS 30 SISSVHO WOD UOLS MAMA LZ Lr9 ureuBuoeKo uowBueu Buop uesBuoes 92 UOISIAIG OVAH WSN 521401109 3 91 s poo euoneu ajqeoljdde Jo suone n6eJ e20 eui uy M eouepaoooe ui eq eus yun Z Xoq 1onpoud y ui yenuew uonej eisul eu uj eoueriduioo ui paesu eq Pinoys Hun SION n 46 uonons Ji c 146 Bueuosip atv L uoniduoseq euieN JequinN uour uuuu yun 91 11 9 8 9 22 971 009 Z 4SEZLNNYV eis eo 2 35660 2 386 0 q H
102. rocontroller control E Cooling Mode Operation e When selecting the Cooling Mode Operation the unit will operate according to the setting by the remote controller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF 7 7 More than More than 3 minutes 3 minutes INDOOR FAN Selecting Low Selecting T Selecting fan speed fan speed fan speed COMPRESSOR ON OFF ON OFF ON Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 To be selected higher temperature To be selected higher temperature na ndan contrast ndoor Unit and Remo contrast ndoor Unit and Remo Remo Mode ST 0 5 ST 0 5 Copyright 2010 LG Electronics Inc All right reserved 96 LGE Internal Use Only Only for training and service purposes Operation Details E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit 40 C 104 Heat Exchanger temperature Tus Tur T oft Ton Intake Air Temperature Setting Temperature Low tam auring ieee 3 C 37 F Thermal OFF Setting Temperature Thermal ON Thermal Outdoor fan Indoor fan Off Low Low 4way valve Compressor off interval While the indoor Heat Exchanger temperature is higher than 40 C 104 F fan operates at low sp
103. ronics Inc All right reserved 61 Only for training and service purposes LGE Internal Use Only Functions m 1 Funtions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor Thermistor Room temperature control Maintains the room temperature in accordance with the Setting Temperature Starting Current Control Indoor fan is delayed for 5 seconds at the starting Indoor Fan Speed Control High Med Low Soft Dry Operation Mode Intermittent operation of fan at low speed Although the air conditioner is turned off by a power failure it is restarted auto Auto Restart I i matically previous operation mode after power supply Both the indoor and outdoor fan stops during defrosting Hot start after defrost ends Deice defrost control Heating The indoor fan does not rotate until the evaporator piping 3 Heating temperature reaches 25 C 76 F High head height Drain pump A standard drain head height of up to 700mm 27 9 16inch is possible Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 62 Only for training and service purposes LGE Internal Use Only Operation Details m 2 Operation Details 1 The function of main E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of
104. sensor of indoor unit Outlet pipe temperature sensor of indoor unit is open or short 8 07 Different operation mode Operation mode between indoor unit and outdoor unit is different In case when the serial number marked onEEPROM of Indoor unit is 0 or 019 Serial No FFFFFF Disconnecting the fan motor connector Failure of indoor fan motor lock 1 0 Poor fan motor operation Air temperature sensor of indoor unit is open or short 111 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Self diagnosis function pa Error Type Error Point Main Reasons 01 Indoor unit air sensor error 1 Indoor unit PCB wrong connection uu ndoor unit sensor is b 02 ndoor unit pipe inlet sensor error openishort 2 Indoor unit PCB failure 06 Indoor unit pipe outlet sensor error M Error diagnosis and countermeasure flovv chart Is sensor proper No 5 eee Connect properly to PCB Change the sensor Change the PCB In case the value is more than 100kQ open or less than 100Q short Error occurs Refer Resistance value maybe change according to temperature of temp sensor It shows according to criteria of current temperature 5 margin gt Normal Air temp sensor 10 C 50 F 20 7kQ 25 C 76 F 10 50 C 122 F 3 4kO Pipe temp sensor 10 C 50 F 10kD 25 C 76 F 5 50 C 122 F 1 8
105. shooting guide I L n 109 Copyright 2010 LG Electronics Inc All right reserved 2 Only for training and service purposes LGE Internal Use Only I Information 1 Model Names 4 2 External Appearance 5 3 Nomenclature 6 Copyright 2010 LG Electronics Inc All right reserved 3 Only for training and service purposes LGE Internal Use Only Model Names 1 Model Names Chassis Capacity Btu h kW Category Name 75 96 1231 154 19 1 242 28 0 300 362 420 481 540 764 955 2 2 28 3 6 45 56 7 1 82 88 10 6 12 3 14 1 15 8 22 4 28 0 e ARNU07 ARNUOO ARNUI2 ARNUTS Wall Mounted 352 3522 3902 ap General S5 ARNUT8 ARNU24 365 3952 sp APNUO7 ARNUO9 ARNUT2 ARNUTS ART Mirror 3SE 2 3962 3522 3SF2 COOL m ARNUIB ARNU24 3992 3982 ARNUO7 ARNU09 ARNUT2 1Way T spo 32 372 ARNUIB ARNUD4 2Way TL Sn Sn TR ARNUO7 ARNUOG ARNUT2 STR 3182 3782 Ceiling um ARNUIS ARNU18 Cassette 3TQ 2 3TQ 2 ARNUD4 ARNU28 weg TP 3IP2 STP2 ARNU36 TN 3TN ARNUI2 ARNU48 3TM 31M2 BH ARNUO7 ARNUO9 ARNUT2 ARNUTS ARNUIB ARNU24 3BHA2 3BHA2 3BHA2 3BHA2 3BHA2 3BHA
106. st operation Copyright 2010 LG Electronics Inc All right reserved 98 Only for training and service purposes Dimensions mens ons 49300 SISSVHO Uoo uooureeB WWA 12 19 weubuoahyy Ayo uowBueu Buop uesBuoes 92 woo oeny mmm Uuloo esnB 2 940 TN SHIO poowejBu3 enue y ueAI S 0001 uos WSN soiuo1oer 91 S31u04129 3 51 s poo euoreu ejqeoidde JO suolnelnB 1 220 y eouepJoooe ui pepunojf eq ileus un Z Xoq 1onpoud y ul yenueul uomnejejsul eui uy eouerduioo ul palesu eq pinous yun L 910N IB uonons uiv Iib eBseyosip ary L uoniduoseq euleN JequinN uour uuu uum 91 061 013 691 0132621 e139 60nINHV 01306 0 91 G1 2 602 oVA0ESLNANYV cVA0ESLNNYV ev3O 60fINHV 073 61 0 q uour uuu uum 20139691 0139621 0139660 001396 0 ey 496911NuV ey496e NuV ey 496601NuV ey 496201NuV Buipuels 100 4 Teusgisr 911 2061 L 91 91 602 ese NOLIM 91 6 16 Y62 2 1 86 8 6 91 61 9 91 61 9 i subi UM rr
107. t Intake Air Temp 1 C 18 C 64 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F Intake Air Temp lt 18 C 64 F gt 18 C 64 F While in compressor off the indoor fan repeats low airflow speed and pause While the intake air temp is between compressor on temp and compressor off temp 10 min dehumidification operation and 4 min compressor off repeat Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F In 10 min dehumidification operation the indoor fan operates with the low airflow speed M Heating Mode Operation When the intake air Temp reaches Compressor OFF Temp the compressor is turned off When the intake air Temp reaches Compressor ON Temp the compressor is turned on Themo ON Temp gt Setting Temp 2 C 36 F Themo OFF Temp gt Setting Temp 4 C 39 F While in compressor on when above 38 C 100 F it operates with setting airflow speed while in sleep mode with the medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C 92 F when above 35 C 94 F it operates with the low airflow speed While in defrost control both of the indoor and outdoor fans are turned off B Defrost Control While in heating mode operation in order to protect outdoor unit from freezing reversed to cooling cycle to defrost of the outdoor unit ll Fuzzy Operation Outd
108. t time 26 C 78 F x Intake Air Temp gt 25 C 76 F 24 C 76 F x Intake Air Temp lt 26 C 78 F gt Intake Air Temp 1 C 34 F 22 C 72 F lt Intake Air Temp lt 24 C 76 F gt Intake Air Temp 0 5 C 33 F 18 C 64 F lt Intake Air Temp lt 22 C 72 F gt Intake Air Temp Intake Air Temp lt 18 C 64 F gt 18 C 64 F When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temperature 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C 33 F or more below the setting temp the compressor is turned off When 0 5 C 33 F or more above the setting temp the compressor is turned on Compressor ON Temp Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F Copyright 2010 LG Electronics Inc All right reserved 80 Only for training and service purposes LGE Internal Use Only Operation Details At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C 78 F x Intake Air Temp gt 25 C 76 F
109. the indoor Heat Exchanger temperature is higher than 40 C 104 F fan operates at low speed when it becomes lower than 40 C 104 F fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically C To be operated Low except initial Hotstart operation High Static Low Static Convertible Chassis BH BG BR B1 B2 CE CF VE VJ Hotstart On T on 19 C 66 F 19 C G6 F 19 C 66 F 19 C 66 19 C 66 F 19 C 66 F 19 C G6 F 26 C 78 F 26 C 78 F Hotstart Off T 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 22 C 72 F 27 C 80 F 27 C 80 F Low temperature T 4 25 0 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C 76 F 25 C T6F 28 C 82 F 28 C 82 F Setting Temperature T sr 27 C 80 F 27O 80F 27C 80F 27 C 80 F 27 C B0F 27 C 80 F 27 C 80 F 3000869 30 C 86 F Copyright 2010 LG Electronics Inc All right reserved 64 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 30 C 86 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart Off M S 4 a INTA NNI Outdoor fan Setting fan Setting fan perm T r v
110. to the setting by the remote controller and the operation diagram is shown as following Indoor unit qoc 104F Heat Exchanger temperature Te T on Intake Air Temperature Setting Temperature 43C 37F Thermal OFF Setting Temperature Thermal ON Thermal Outdoor fan Indoor fan Off Low Low 4way valve Compressor off interval A While the indoor Heat Exchanger temperature is higher than 40C 104F fan operates at low speed when it becomes lower than 40C 104F fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically C To be operated Low except initial Hotstart operation Vertical Air Handling Unit Chassis NJ NK Hotstart On Ton 19 C 66 F 19 C 66 F Hotstart Off T or 22 C 72 F 22 C 72 F Low temperature T 25 C 76 F 25 C 76 F Setting Temperature T sr 27 C 80 F 27 C 80 F Copyright 2010 LG Electronics Inc All right reserved 104 Only for training and service purposes LGE Internal Use Only Operation Details MH Hot Start Control The indoor fan does not rotate until the indoor unit Hex Exchanger temperature reaches 22 C 71 6 F The operation diagram is as following Indoor unit Heat Exchanger temperature Hotstart Off Hotstart On Thermal Outdoor fan Sam d or tw Pe edm nitial Hotstart On state Power Off m On
111. tor On while auto restart mode off while auto restart mode is canceled Auto restart In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions If your want to use this operation press the Auto Restart Button Power Forced Operation Operation starts when this button is pressed and stops when you press the button again M Cooling Mode Operation When the intake air temperature reaches 0 5 C 33 F below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C 33 F above the setting temp they start to operate again Compressor ON Temp gt Setting Temp 0 5 C 33 F Compressor OFF Temp gt Setting Temp 0 5 C 33 F e While in compressor running operating with the airflow speed set by the remote controller While in compres sor not running operating with the low airflow speed regardless of the setting Copyright 2010 LG Electronics Inc All right reserved 47 Only for training and service purposes Operation Details M Healthy Dehumidification Mode When the dehumidification operation input by the remote controller is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C 78 F x Intake Air Temp gt 25 C 24 C 76 F lt Intake Air Temp lt 26 C 78 F g
112. uilt in drain pump automatically drains water A standard drain head height of up to 700mm 27 9 16inch is possible High head Drain pump High Ceiling corresponding Function According to the height of ceiling the RPM of indoor fan motor is selected to increase air reaching distance Central Control Optional t is operating individually or totally by central control function Copyright 2010 LG Electronics Inc All right reserved 9 Only for training and service purposes LGE Internal Use Only Operation Detail m 2 Operation Detail 1 The function of main co Auto Swing Control This function is to swing the louver up and down automatically E Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control E Cooling Mode Operation When selecting the Cooling 3 Mode Operation the unit will operate according to the setting by the remote con troller and the operation diagram is as following Intake Air Temperature Thermo ON SET TEMPERATURE 0 5 C 33 F Thermo OFF More than More than 0 5 C 33 F 3 minutes 3 minutes INDOOR FAN Selected Low Selected Low Selected Speed Speed Speed Thermal ON Thermal OFF Indoor Unit mode ST 0 5 ST 0 5 2TH Remo Indoor To be selected higher tempe
113. utes More than 3 minutes INDOOR FAN Selecting fan speed Low Selecting fan speed Low Selecting fan speed COMPRESSOR ON Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes OFF 69 ON OFF ON LGE Internal Use Only Operation Details E Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following Indoor unit 40 C 104 F Heat Exchanger temperature Intake Air Temperature Setting Temperature 3 C 37 F Thermal OFF Setting Temperature Thermal ON Thermal Outdoor fan Indoor fan Off Low Low 4way valve Compressor off interval A While the indoor Heat Exchanger temperature is higher than 40 C 104 F fan operates at low speed when it becomes lower than 40 C 104 F fan stops For eluminating latent heat loss fan operates at low speed for 10 seconds periodically I To be operated Low except initial Hotstart operation High Static Low Static Convertible Chassis BH BG BR B1 B2 CE CF VE VJ Hotstart On T on 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C 66 F 19 C G6 F 19 C G6 F 26 C 78 F 26 C 78 F Hotstart Off T ott 22 C 72 F 22 C 72 F 22 C 72 F 20 C 72 F 22 0172 F

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