LG Concealed Duct Air Conditioner
Visit us at http://www.lgservice.comLGLG Concealed DuctAir ConditionerOWNER'S MANUALDear OwnerThank you for installing LG Air Conditioner.Your best choice guarantees you a greatperformance and service to make your lifecomfortable & pleasant.IMPORTANT Please read this owner's manual carefully and thoroughlybefore installing and operating your room air conditioner. Please retain this owner's manual for future reference afterreading it thoroughly.P/No.:MFL41032501
Concealed Duct Air Conditioner Owner’s ManualTABLE OF CONTENTSA. Safety Precautions.3B. Product Introduction.6Name and function of parts .6Deluxe wired remote controller.7FOR YOUR RECORDSWrite the model and serial numbers here:Model #Serial #You can find them on a label on the side of each unit.C. Owner's Instruction.8Cooling Mode .8Heating Mode .9Auto Changeover Mode .10Dehumidification Mode.11Fan Mode .12Fan Speed Selection .13D. Sub Function .14Thermistor .14E. Special Function.15Child Lock.15Damper control function .16Room Temperature Check .16Simple Reservation .17Setting the current time .18Weekday reservation.19F. Maintenance and Service.20Indoor Unit.20Call the service immediately in thefollowing situations .20Operation Tips!.21When the air conditioner is notgoing.21Troubleshooting Tips!Save time and money!.222 Concealed Duct Air ConditionerDealer's NameDate Purchased Staple your receipt to this page in the event you need itto prove date of purchase or for warranty issues.READ THIS MANUALInside you will find many helpful hints on how to use andmaintain your air conditioner properly. Just a littlepreventive care on your part can save you a great dealof time and money over the life of your air conditioner.You'll find many answers to common problems in thechart of troubleshooting tips. If you review our chart ofTroubleshooting Tips first, you may not need to call forservice at all.PRECAUTION Contact the authorized service technician for repair ormaintenance of this unit. Contact the installer for installation of this unit. The air conditioner is not intended for use by youngchildren or invalids without supervision. Young children should be supervised to ensure thatthey do not play with the air conditioner. When the power cord is to be replaced, replacementwork shall be performed by authorized personnel onlyusing only genuine replacement parts. Installation work must be performed in accordancewith the National Electric Code by qualified andauthorized personnel only.
Safety PrecautionsSafety PrecautionsTo prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified bythe following indications.WARNINGThis symbol indicates the possibility of death or serious injury.CAUTIONThis symbol indicates the possibility of injury or damage.WARNINGAlways ground the product. There is a risk of electric shock.For electrical work, contact the dealer, seller,a qualified electrician, or an AuthorizedService Center. Do not disassemble or repairthe product by yourself. There is risk of fire or electric shock.Use the correctly rated breaker or fuse. There is risk of fire or electric shock.Do not install the product on a defectiveinstallation stand. Be sure that theinstallation area does not deteriorate withage. It may cause product to fall.Be sure to check the refrigerant to theused. Please read the label on the product.Do not use a defective or underratedcircuit breaker. Use the correctly ratedbreaker and fuse. There is risk of fire or electric shock .Always ground the product as per thewiring diagram. Do not connect theground wire to gas or water pipeslightening rod or telephone ground wire. There is risk of fire or electric shock.Do not modify or extend the power cable.If the power cable or cord has scrathes orskin peeled off or deteriorated then itmust be replaced. There is risk of fire or electric shock.Never install the outdoor unit on amoving base or a place from where itcan fall down. The falling outdoor unit can cause damage orinjury or even death of a person.Don't use a power cord, a plug or a loosesocket which is damaged. Incorrect refrigerant used can prevent thenormal operation of the unit. Otherwise it may cause a fire or electricalshock.Do not place a heater or other heatingappliances near the power cable.Do not allow water to run into electricparts. Install the unit away from watersources. There is risk of fire and electric shock. There is risk of fire, failure of the product, orelectric shock.Do not use a multi consent. Always usethis appliance on a dedicated cicuit andbreaker. Otherwise it can cause electric shock or fire.Install the panel and the cover of controlbox securely. There is risk of fire or electric shock due todust , water etc.For installation, removal or reinstall ,always contact the dealer or anAuthorized Service Center. There is risk of fire, electric shock, explosion,or injury.When the product is soaked (flooded orsubmerged) in water , contact anAuthorized Service Center for repairbefore using it again. There is risk of fire or eletric shock.Do not touch , operate, or repair theproduct with wet hands. Hold the plug byhand when taking out There is risk of electric shock or fire.Do not store or use or even allowflammable gas or combustibles near theproduct. There is risk of fire.Owner's Manual 3
Safety PrecautionsIndoor/outdoor wiring connections mustbe secured tightly and the cable shouldbe routed properly so that there is noforce pulling the cable from theconnection terminals.Safely dispose off the packing materials.Like screws, nails, batteries, brokenthings etc after installation or svc andthen tear away and thraw away the plasticpackaging bags.Make sure to check that the power cableplug is not dirty, loose or broken andthen only insert the plug completely. Improper or loose connections can causeheat generation or fire. Children may play with them and causeinjury. Dirty, loose or broken power plug cancause electric shock or fire.In outdoor unit the step-up capacitorsupplies high voltage electricity to theelectrical components. Be sure todischarge the capacitor completelybefore conducting the repair work.When installing the unit, use theinstallation kit provided with the product.Be sure to use only those parts whichare listed in the svc parts list. Neverattempt to modify the equipment. An charged capacitor can cause electricalshock. Otherwise the unit may fall and cause severeinjury. The use of inappropriate parts can cause anelectrical shock, excessive heat generation orfire.Do not open the front grille of the productduring operation. (Do not touch theelectrostatic filter, if the unit is so equipped.)If strange sounds, smell or smoke comesfrom product.Immediately turn the breakeroff or disconnect the power supply cable.Do not use the product in a tightly closedspace for a long time. Perform ventilationregularly. Oxygen deficiency could occur and henceharm your health. There is risk of physical injury, electric shock,or product failure. There is risk of electric shock or fire.Ventilate the product room from time totime when operating it together with astove, or heating element etc.Turn the main power off and unplug theunit when cleaning or repairing theproduct.When the product is not to be used for along time, disconnect the power supplyplug or turn off the breaker. Oxygen deficiency can occur and hence harmyour health.Take care to ensure that nobodyespecially kids could step on or fall ontothe outdoor unit. This could result in personal injury andproduct damage. There is risk of electric shock.Take care to ensure that power cablecould not be pulled out or damagedduring operation. There is risk of fire or electric shock.Do not plug or unplug the power supply plug to turn the unitON/OFF . There is risk of product damage or failure, orunintended operation.Do not place ANYTHING on the powercable. There is risk of fire or electric shock.When flammable gas leaks, turn off the gas and open a windowfor ventilation before turn the product on. Do not use the telephone or turn switches on or off. There is risk ofexplosion or fire. There is risk of fire or electric shock.CAUTIONTwo or more people must lift andtransport the product. Avoid personal injury.Keep level even when installing theproduct. To avoid vibration or noise.Do not install the product where it will beexposed to sea wind (salt spray) directly. It may cause corrosion on the product.Do not install the product where the noiseor hot air from the outdoor unit coulddamage or disturb the neighborhoods. It may cause a problem for your neighborsand hence dispute.4 Concealed Duct Air ConditionerInstall the drain hose to ensure that thecondensed water is drained away properly. A bad connection may cause water leakage.Always check for gas (refrigerant)leakage after installation or repair ofproduct. Low refrigerant levels may cause failure ofproduct.
Safety PrecautionsDo not use the product for special purposes,such as preserving foods, works of art, etc. Itis a consumer air conditioner, not a precisionrefrigeration system. There is risk of damage or loss of property.Do not touch the metal parts of theproduct when removing the air filter. There is risk of personal injury.Do not insert hands or other objectsthrough the air inlet or outlet while theproduct is operating. There are sharp and moving parts that couldcause personal injury.Do not tilt the unit when removing oruninstalling it. The condensed water inside can spill .Dismantling the unit, treatment of therefrigerant oil and eventual parts shouldbe done in accordance with local andnational standards.Do not block the inlet or outlet of air flow. It may cause product failure.Use a soft cloth to clean. Do not useharsh detergents, solvents or splashingwater etc . There is risk of fire, electric shock, or damageto the plastic parts of the product.Do not step on or put anyting on theproduct. (outdoor units)Always insert the filter securely aftercleaning. Clean the filter every two weeksor more often if necessary. There is risk of personal injury and failure of product. A dirty filter reduces the efficiency.If the refrigerant gas leaks during therepair, do not touch the leakaingrefrigerant gas.Be cautious when unpacking andinstalling the product. Sharp edges could cause injury. The refrigernat gas can cause frostbite (coldburn)Do not mix air or gas other than thespecified refrigerant used in the system .If the refrigerant gas leaks during theinstallation, ventilate the area immediately. If air enters the refrigerant system, anexcessively high pressure results, causingequipment damage or injury. Otherwise it can be harmfull for your health.Replace the all batteries in the remotecontrol with new ones of the same type.Do not mix old and new batteries ordifferent types of batteries.Do not recharge or disassemble thebatteries. Do not dispose off batteries ina fire. There is risk of fire or product failure. They may burn or explode.If the liquid from the batteries gets ontoyour skin or clothes, wash it well withclean water. Do not use the remote if thebatteries have leaked.Do not let the air conditioner run for along time when the humidity is very highand a door or a window is left open. The chemicals in batteries could cause burnsor other health hazards. Moisture may condense and wet or damagefurniture.Do not expose your skin or kids orplants to the cool or hot air draft. This could harm to your health.Do not drink the water drained from the product.Use a firm stool or ladder when cleaning, maintaining orrepairing the product at an height. It is not sanitary and could cause serious health issues. Be careful and avoid personal injury.OPERATING TEMPERATURE( C) - Non Inverter ModelCOOLING MODEINDOORMAX.32 COUTDOORMIN.18 CMAX.46 CMIN.21 CHEATING MODEINDOORMAX.30 COUTDOORMIN.16 CMAX.24 CMIN.-5 COPERATING TEMPERATURE( C) - Inverter ModelCOOLING MODEINDOORMAX.32 COUTDOORMIN.18 CMAX.46 CMIN.-10 CHEATING MODEINDOORMAX.30 COUTDOORMIN.16 CMAX.24 CMIN.-10 COwner's Manual 5
Product IntroductionProduct IntroductionName and function of parts14Air intakevents6 725Air outletventsWired RemoteControllerAUTO INDOORZONE 1ZONE 2AUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 3ZONE 42THZONE 4381: Indoor unit2: Outdoor unit3: Wired Remote Controller4: Inlet air5: Discharge air6: Refrigerant piping, connection electric wire7: Drain pipe8: Ground wirewire to ground outdoor unit to prevent electrical shocks.*The shape of products can be chaged as the model capacity and type.6 Concealed Duct Air Conditioner
Product IntroductionDeluxe wired remote controller11112AUTO INDOORZONE 12345678910ZONE 2REMOZONE 3ZONE 413AUTO INDOORZONE 1ZONE 2REMOZONE 32THZONE 4141516171819201. Operation display panel12. On/Off button2. Room temperature button13. Special function button3. Fan speed button14. Dehumidification/ Heater/Child lock button4. Fan/ Plasma/ Zone1 button5. Auto/ Indoor/ Zone2 button6. Timer mode button7. Date selection button8. Hour/Minute button9. Mode selection button10. On/Off button for reservation15. Sub function button16. Easy reservation button17. Cancel button18. Heating/ Two thermistor/Zone4 button19. Setting button20. Cooling/ Remo/ Zone3 button11. Temperature control buttonEach function will be shown on the display panel for three second or so when the initial power is on.The analog panel enables you to use the remote controller with a touch of your own finger without pressing anyextra button.However, if you press more than one button at the same time, it may cause malfunction.The above picture differ from model to model.Owner's Manual 7
Owner's InstructionOwner's InstructionCooling ModeAUTO INDOORZONE 1ZONE 2ZONE 2Press the2Press thebutton and set the expectedtemperature lower than the current room temperature.(18 30 C)button and then press thebutton.REMOZONE 3REMOZONE 11ZONE 3ZONE 42THZONE 4A click of the button will increase the expectedtemperature by 1 CA click of the button will decrease the expectedtemperature by 1 C.If the expected temperature is set higher than the currentroom temperature, the cooling function will not begin andjust the blowing operation will continue.3Press theamongbutton and choose one of the functions,AUTO,, andif you want anotheroperation mode during the operation.AUTO4If you press thestop.button, the cooling mode willWhat is the three-minute delay function?The function to protect the compressor delays the output of cool air when operating instantly afterinterrupting the cooling mode .Cooling mode restarts after 3 minutes when the compressor starts to operate. You can choose the expected temperature from 18 C to 30 C. It is recommended that the ideal difference of the temperature between indoors and outdoors should beless than 5 C.8 Concealed Duct Air Conditioner
Owner's InstructionHeating ModeAUTO INDOORZONE 1ZONE 2ZONE 2Press the2Set the expected room temperature higher than thecurrent room temperature. (16 30 C)button and then press thebutton.REMOZONE 3REMOZONE 11ZONE 3ZONE 42THZONE 4A click of the button will increase the expectedtemperature by 1 CA click of the button will decrease the expectedtemperature by 1 C.* If the expected temperature is set lower than the currentroom temperature, the heating operation will not beginand just the blowing operation will continue.3Press thebutton and choose one of the functionsAUTOamong,,if you want another, andoperation mode during the operation.AUTO4If you press thestop.button, the heating operation willWhat is the three-minute delay function?It will take a time for the product to blow warm air. The delay is just to protect the compressor.The room will be heated with warm air after three minutes when the compressor begins operation. The cooling-only model will not do heating function.Owner's Manual 9
Owner's InstructionAuto Changeover Mode1Press thebutton and then press theAUTObutton.AUTOAUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 1ZONE 2ZONE 3ZONE 42When the expected temperature is lower than theroom temperature : Cooling Mode.When the expected temperature is higher than theroom temperature : Heating Mode3Press the2THZONE 4amongbutton and choose one of the functions,,, andif you wantanotheroperation mode during the operation.410 Concealed Duct Air ConditionerIf you press thestop.button, the cooling mode will
Owner's InstructionDehumidification ModeDehumidification operation: Dehumidification by lowering temperature slightlyAUTO INDOORZONE 1ZONE 2ZONE 2Press the2Select the dehumidification function by pressing thebutton and thebutton.3When the dehumidification is being done, ”dh” will beshown on the display panel4Press thebutton on the remote controller.REMOZONE 3REMOZONE 11ZONE 3ZONE 42THZONE 4amongbutton and choose one of the functions,AUTO,, andif you wantanother operation mode during the operation.AUTOIf used during the rainy season or high humidity, you can have both of effective dehumidifyingand air conditioning effect. Temperature control is not available in the dehumidification operation.Owner's Manual 11
Owner's InstructionFan ModeAUTO INDOORZONE 1ZONE 2ZONE 2Press the2Select the fan function by pressing theandbutton.3When the fan is being done, "Fn" will be displayed onthe display panel.4Press thebutton on the remote controller.REMOZONE 3REMOZONE 11ZONE 3ZONE 4button2THZONE 4amongAUTObutton and choose one of the functions,,, andif you wantanother operation mode during the operation.AUTO When fan mode is operated, the outdoor compressor doesn't work. FAN operation doesn't bring out cold air but air from regular fan comes out. Have a function to circulate the indoor as it sends out the air that doesn't have muchtemperature difference with indoor.12 Concealed Duct Air Conditioner
Owner's InstructionFan Speed SelectionYou can easily control the fan speed.1AUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 1ZONE 2Select the proper fan speed which you want bypressing thebutton on the remote controller.ZONE 3ZONE 42THZONE 4 If you press thebutton, the strength of the fanspeed will change in the order of Low Med Hi . If the product is not compatible with the fan speedcontrol, it will not function as your selection.Fan Speed SelectionLoMedHi If the indoor unit is compatible with the slo fan speed, youcan adjust the air flow slow level.Owner's Manual 13
Sub FunctionSub FunctionThermistorAUTO INDOORZONE 1ZONE 2ZONE 2Press the2Set thermistor mode by pressingbutton.button on the remote controller.REMOZONE 3REMOZONE 11ZONE 3ZONE 4INDOOR,REMO,2TH2THINDOORZONE 4SelectedbuttonREMO2THFunctionINDOOROperation in indoor unti temperaturesensor.REMOOperation in remote controllertemperature sensor.2TH Cooling Mode:Operating lowertemperature sensor comparing theRemote Controller and Indoor Unit(orRemote Sensor) temperature. Heating Mode:Operating highertemperature sensor comparing theRemote Controller and Indoor Unit(orRemote Sensor) temperature* System will use value that sensed indoor unit orremote controller.14 Concealed Duct Air Conditioner
Special FunctionSpecial FunctionThis is a function to prevent tampering of settings by children or others.Child LockYou can use the child lock function.AUTO INDOORZONE 1ZONE 2ZONE 2Press the2Pressbutton of the remote controller.REMOZONE 3REMOZONE 11ZONE 3ZONE 4button.2THZONE 4 A click of the child lock button will turn on/off the indicator. If you press another button while adjusting child lockfunction, the temperature display will show CL for threeseconds and then the operation will come back to theoriginal mode. If you want use the child lock function in off mode, selectchild lock and press theAUTO INDOORZONE 1ZONE 2REMOZONE 3ZONE 4AUTO INDOORZONE 1REMOZONE 1ZONE 2button within three seconds.ZONE 3ZONE 22THZONE 4REMOZONE 3REMOZONE 1ZONE 2ZONE 3ZONE 42THZONE 4 If you want to cancel the child lock function in the offmode, just pressbutton.Owner's Manual 15
Special FunctionDamper control functionYou can control zones when you've installed the Damper controller new type.AUTO INDOORZONE 1ZONE 2REMOZONE 3ZONE 41Press the2PressZONE 1button.,ZONE 2ZONE 1REMOZONE 1ZONE 2ZONE 3,ZONE 3.ZONE 4ZONE 2button.ZONE 3ZONE 42THZONE 4then select zone is displayed.ZONE 1ZONE 2ZONE 3ZONE 4 A click of the desired zone will turn on/off it's indicator. At least one zone always is to be left on.This will not allow you to turn off the last zone operating.Room Temperature Check1AUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 1ZONE 2If you pressbutton on the remote controller, theindoor temperature displays for 5 seconds. The displaygoes to a previous screen after 5 seconds.Room temperature value is based on thermistorsetting.ZONE 3ZONE 42THZONE 416 Concealed Duct Air Conditioner There would be some difference between actualtemperature you feel and room temperature of remotecontroller , because the temperature of the position isnot uniform which the remote controller is located on.
Special FunctionSimple ReservationAUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 1ZONE 2ZONE 3ZONE 42THZONE 41Pressbutton on the remotecontroller.2Press easy3You can change the values by pressing thecontrol buttons. Choose a desired reservation time.button.pressing thebutton, set your simple4 Byreservationtime turn-on reservation can be set onlywhen not in operation- You can set reservation from 1 to 24 hoursreservation can be set only when in operation5 Turn-offTurn-on reservation can be set only when in off mode.- If turn-on reservation was set, it will start operatingafter the set time- Turn-off reservation was set, it will stop operatingafter the set time- Excessive use of air conditioning is bad for yourhealth. Please set a moderate amount of time foryour reservation.- It works deluxe wired remote controller's reservationtime, if preset time by wrieless and deluxe wiredremote controller at the same time .Owner's Manual 17
Special FunctionSetting the current timeAUTO INDOORZONE 1ZONE 2ZONE 2You can set the current time by pressing the timedisplay.When the time display is selected, a window for dateand time setting shows up.2Press the3If you press theREMOZONE 3REMOZONE 11ZONE 3ZONE 42THZONE 418 Concealed Duct Air Conditionerbutton, the hour digits will flash sothat you can adjust it by pressing thebutton. Ifyou press thebutton one moretime, the minute digits will flash. You can adjust it bypressing the4button.If you press thebutton, the day of the week willflash. Then you can choose the proper day in the orderof Monday, Tuesday, Wednesday, Thursday, Friday,Saturday, and Sunday.button.After adjusting time, press thebutton so that thecurrent configuration can be saved.
Special FunctionWeekday reservationWeekday reservation is the function to set the time to turn on and off for each day during the weekfrom monday through sunday.AUTO INDOORZONE 1ZONE 2REMOZONE 3REMOZONE 1ZONE 2ZONE 3ZONE 41Press thecontroller.2Select the day of week to set using the3After pressing thebutton on the control panel of the remotebutton.2THZONE 4button decide the time to turnoff the air conditioner using thebutton.If the off icon blinks for a while and then stops on thetime display panel, it is successfully set.4After selecting the day of week, select the time to turnon the product using thebutton.Press thebutton one more time toset the minute using thebutton and press thebutton.5To set for other days of the week, press thebuttonand set the time in the same procedure.Press thebutton to exit the reservation mode.6To cancel the weekday reservation function, press theand then cancel.If you see an outline box around the day of week, itmeans that time to start and end have been set. Whenselecting the reservation mode, other function buttoncannot be entered.- It works deluxe wired remote controller's reservationtime, if preset time by wrieless and deluxe wired remotecontroller at the same time .Owner's Manual 19
Maintenance and ServiceMaintenance and ServiceIndoor UnitGrille, Case and Remote Control Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.NOTESupply power must be disconnected before cleaning the indoor unit.Air outlet ventTwo wired remote controller All wired remote controllers are displayed on identical information. Last used wired romote controllers has priority on product's movement.Call the service immediately in the following situations1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker off. Nevertry to repair by yourself or restart the system in such cases.2. Main power cord is too hot or damaged.3. Error code is generated by self diagnosis.4. Water leaks from indoor unit.5. Any switch, breaker (safety, earth) or fuse fails to work properlyUser must carry routine checkup & cleaning to avoid unit’s poor performance.In case of special situation, the job must be carried out by the only service person.20 Concealed Duct Air Conditioner
Maintenance and ServiceOperation Tips!Do not overcool the room.This is not good for the health and wastes electricity.Make sure that the doorsand windows are shut tight.Avoid opening doors and windows as much as possibleto keep the air conditioned air in the room.Keep blinds or curtains closed.Do not let direct sunshine enter the room when the airconditioner is in cooling operation.Ventilate the room occasionally.Since windows are kept closed, it is a good idea to openthem and ventilate the room from time to time.When the air conditioner is not going.When it is not going to be used for a long time.1 Operate the air conditioner on Air circulation mode for 2 to 3 hours. This will dry out the internal parts.2 Turn off the circuit breaker.CAUTION: Turn off the circuit breaker when the air conditioner is not goingto be used for a long time.Dirt may collect and may cause a fire.3. Remove the batteries from the Remote Controller.When the air conditioner is to be used again. Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.Owner's Manual 21
Maintenance and ServiceTroubleshooting Tips! Save time and money!Check the following points before requesting repairs or service. If the malfunction persist, please contact your dealer.CaseExplanationThe air conditioner does notoperate. Have you made a mistake in timer operation? On first starting, the indoor unit operates infifteen seconds. Has the fuse blown or has the circuit breakerbeen tripped? Check that this is not a damp smell exuded by thewalls, carpet, furniture or cloth items in the room. Condensation occurs when the airflow from theair conditioner cools the warm room air. This is the protector of the mechanism. Wait about three minutes and operation will begin. Is the air filter dirty? See air filter cleaning instructions. The room may have been very hot when theroom air conditioner was first turned on. Allowtime for it to cool down. Has the setting temperature been set incorrectly? Are the indoor unit's air inlet or outlet ventsobstructed? For a noise that sounds like water flowing.-This is the sound of freon flowing inside the airconditioner unit. For a noise that sounds like the compressed airreleasing into atmosphere.-This is the sound of the dehumidifying waterbeing processed inside the air conditioning unit. This sound is generated by theexpansion/contraction of the inlet grille, etc. dueto changes of temperature. Has the circuit breaker been tripped?The room has a peculiar odor.It seems that condensate isleaking from the air conditioner.Air conditioner does not operatefor about 3 minutes when restart.Does not cool or heat effectively.The air conditioner operation isnoisy.Crack sound is heard.Remote control display is faint, orno display at all.22 Concealed Duct Air ConditionerSee page17-8, 9--
P/No.:MFL41032502Printed in Korea
Thank you for installing LG Air Conditioner. Your best choice guarantees you a great performance and service to make your life comfortable & pleasant. P/No.:MFL41032501. 2 Concealed Duct Air Conditioner Concealed Duct Air Conditioner Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS
4"- CTK4ZW Concealed Fixture Trim CONCEALED FIXTURE TRIM: 48" - CTK48ZW Concealed Fixture Trim 6" - CTK6ZW Concealed Fixture Trim 72" - CTK72ZW Concealed Fixture Trim 24" - CTK24ZW Concealed Fixture Trim 96" - CTK96ZW Concealed Fixture Trim 2.6.1 General The edge details on the Optima and Lyra Concealed product are
Air Duct Design & Sizing Duct sizing methods Static regain method Normally used with a computer package for high velocity systems (e.g. in main duct) Size air duct so that static pressure nearly offset the pressure loss of succeeding duct section along main duct T me
installed as described in the TDC or TDF addendum to the SMACNA Duct Construction Standards except the corners may not be bolted. Standard 5" metal clips may be used with spacing as shown in diagram. SLEEVE DUCT TYPICAL TDC/TDF JOINT DUCT 60" Duct 3 REQ'D. 48" Duct 3 REQ'D. 36" Duct 3 REQ'D. 24" Duct 2 REQ'D. 18" DUCT and .
Capacity Correction Factor for Height Difference 8. Noise Data 9. Electrical Characteristics 10. Static Pressure . Corresponding relation between Rectangular duct and Round duct 5. Method for duct calculation 6. Unit conversion 7. Recommended outlet velocity for different occasions . Indoor air flow (Hi/Med/Lo) (No duct) CFM 353/283/177 353 .
system room air conditioner. We are sure you will nd your new air conditioner a pleasure to use. Before you use the air conditioner, we recommend that you read through the entire user manual, which provides the description of the air conditioner and its functions. To avoid the risks that are always present when you use an electrical
Montana State University . isaac.swensen@montana.edu . Abstract . Despite persistent debate on the role of concealed-carry legislation, decisions to legally carry concealed handguns are not well understood. Using detailed data on concealed-carry permit applications, we explore whether individuals apply for concealed-carry permits in response to .
Duct Sizing Tools OR Duct Sizing Chart Ductulator (Manual/Digital) AIRAH DA3 Duct Design Manual Manufacturers/Programs . Duct Sizing Methods . More available in the ASHRAE Handbook or SMACNA Obtain other duct fittings pressure losses from manufacturers such as duct heaters, dampers, filters, grilles, coils, etc
vation in automotive retail is the imperative – and the time to get started is now. Against this backdrop and based on our extensive research and analyses (Textbox 2), we will provide a comprehensive perspective on three key questions that are currently a top priority for automotive OEMs and dealers: 1. Why exactly is the traditional automotive retail model so severely under pressure at .
