User Manual MSH-09/12/18/24NV (DG79Y175H03)
Contents
1. pue uonoedsui Ajdde SI M 5 10 eq ue uonipuoo asn y HUN y episul Ajroedeo ay suosees 10 SI SU USUM M ooueueojureui pue uomnoedsu uoiuoisip ainjoid 1uaAe1d OL 89ejd 9 550 se 12 SE u doox dej jusosaiony jueosexong e jo auilua aid 9je ITEM 911 e osneo SUOP SI SIU I 490US 31179949 ue esneo y pej e1sur jou SI eDexeo UHEY eui JI eoejd puny pejeisul eq 0 SI y eu uo obeyed IN 205 9111099 ue asneo y 1291109UI SI BuIPUNOJ e JI 3Uu0Udaj9 jo punos6 10 pos BuiujuBi edid odid seb e Buipuncsp e 1 2 JOU Ajddy m uonnenN sajeep 1no 11nsuo9 239 uano ejqissiuued ay Buipeeoxe uonejnsu sood 0e U09 J00d uio4j1nso1 ABW YIOYS 21112919 10 Y 911M0 914 99 2 0 UJEHE jou op pue pios uoisuejxe ue 10 192. MSH 09NV MSH 12NV MSH 18NV MSH 24NV CONTENTS For customers Thank you very much for purchasing this Mitsubishi room air conditioner SAFETY PRECAUTIONS NAME OF EACH PART PREPARATION BEFORE OPERATION FEEL AUTO OPERATION MANUAL OPERATION COOL DRY HEAT AIRFLOW VELOCITY AND DIRECTION ADJUSTMENT SLEEP MODE SWING OPERATION K TIMER OPERATION ON OFF TIMER 17 WHEN THE AIR CONDITIONER IS NOT GOING BE USED FOR A LONG TIME e SUUS 18 1n eic r n 19 CLEANING THE AIR FILTER DEODORIZING FILTER 20 REPLACEMENT OF THE DEODORIZING FILTER AIR CLEANING FILTER tec 21 BEFORE CONTACTING THE SERVICE MAN CHECK THE FOLLOWING AGAIN 22 WHEN YOU THINK THAT TROUBLE HAS OCCURED Loc ins a mda da 23 INSTALLATION RELOCATION AND INSPECTION 25 To use this unit correctly and safely be sure to read this instruction manual before use Keep this manual carefully for later reference e Be sure to receive a guarantee card from your dealer and check that the purchased data and shop name etc are entered correctly gt e This air conditioner should not be installed by the customer Safety and performance functions cannot be assured e Before using the unit carefully read these Safety precautions and use correctly e Since these cautionary items shown here are important for safety be sur
3. lukewarm water for about 15 minutes M If dirt is conspicuous use a solution of detergent in lukewarm water E Do not use scrubbing brush or sponge It may damage the surface of the filter E Do not use a chlorine detergent E After washing with water lukewarm water dry completely in the shade 7 SS 4 Install the deodorizing filter gray sponge type and then install the air filter Install it 20 21 Air filter ES E Remove the deodorizing filter gray sponge type EGRE Deodorizing filter Install a new deodorizing filter n Install the air filter Securely close the front panel A Deodorizing filter Bi Cleaning is neccessary about once every 2 weeks However if dirt is conspicuous clean more often When the color of the filter is not restored even if the filter is washed following the procedure shown on page 20 or when the filter becomes black replace the filter with a new one Standard interval for the filter replacement is about 1 year When the capacity is lowered because of dirt etc it is neccessary to replace the deodorizing filter air cleaning filter Deodorizing filter replacement replace about once
4. Med Hi AUTO To condition the whole room use the mode f the sound of the air conditioner operating disturbs your sleep use the SLEEP mode refer to page 15 change the AIR FLOW blowing direction vertically press the C button Each time the button is pressed angle of horizontal vane is changed in sequence from 1 2 3 4 5 AUTO Recommended horizontal VANE range Use in the AUTO position usually Use positions 1 2 in the COOL or DRY mode and positions 4 3 to 4 5 in the HEAT mode when adjusting to i your requirements In the cooling operation when the air conditioner is operated with AIR FLOW blowing down 4 4 or 1 5 for 1 hour the AIR FLOW direction is automatically set to level to prevent condensed water from dropping m Adjust the vertical AIR FLOW direction using the remote controller If the horizontal vane are moved manually it may cause trouble Ein heating operation if the output air temperature is too low or when defrosting is done the horizontal vane position is set to 1 r AUTO AIR FLOW DIRECTION CONTROL OPERATION When the AUTO mode is selected with the oS button the position of the horizontal vane are automatically set to correspond to the operation mode to perform effective operation 1 HEAT e When the output air
5. breaker Since the fan rotates at high speed during operation it may cause an injury 19 When the front panel is to be opened do not open it up to the level position If you do the front panel may come off Cleaning the air filter Cleaning the deodorizing filter about once every 2 weeks about once every 2 weeks EE Remove the air filter Open front panel removing replacing the filter Remove it N A CAUTION When the air filter is to be removed do not touch the metal parts of the indoor unit It may cause an injury Air filter Clean dirt from the air filter using a vacuum cleaner or by washing with water BW If dirt is conspicuous wash with a solution of detergent in lukewarm water B If hot water 50 C or more is used it may be deformed a s E After washing with water dry well in the shade m Donotexposetheairfilterto direct sunlight or heat from a fire when drying it Install it A Remove the air filter and then remove the deodorizing filter gray sponge type The deodorizing filter is harmless to humans However to keep its effect be sure to hold the frame and do not touch the surface of the filter with your hand Deodorizing filter EB Soak the filter together with frame in
6. ino BUISNJIS9UUO0I jou oq 01e oDexeo JUN eui jo Buiddoup Aq Aunfui 420us 211129019 3114 osneo y SI SIU Jun Siu jou PINOUS SUL M ONINHVM Y Ayoedeo eAJesqo 0 ejns eg Jeuonipuoo jo Ajddns 10 N3119 ue epiAoJd M exouis SI 10 peusejds SI 10 SISUM M Buds jou e SE uons si seb apyins M apiseas oy se uons eoejd Ayes M euiuoeui YONW SI SISUJ M uoisojdxe ue osneo Aew un y punoje pue syee seb yea pjnoo seh yun eui JOU uonne2 seb ajqewwey oJouA M seoejd SU ui Ieuonipuoo eu 19 2 26 4 MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 TELEX J24532 CABLE MELCO TOKYO DG79Y175HO3
7. thin stick Press the reset button m Each time the 5 button is pressed the set time is m If the reset button is not pressed the remote controller counted up by 1 hour and each time the cS button may not operate correctly is pressed the set time is counted up by 1 minute Press the CLOCK SET button Press it using a thin stick Handling of the remote controller e The range that the signal can reach is about 6 m when pointed at the front of the indoor unit e When the button is pressed one or two beeps will be heard from the indoor unit If no sound is heard operate again e Use the remote controller carefully If itis dropped thrown or gets wet it may not operate When installing on a wall e Install it using the remote controller installation case in a position where the signal reception sound beep can be heard from the indoor unit when the NOFF button is pressed O How to install remove the remote controller Insert the remote controller downward ing Pull it up Remote controller installation case Dry cell batteries EO When the signal does not operate the indoor unit or the display becomes dim replace the batteries with new alkaline batteries size AAA e Replace 2 batteries with new batteries of the same type e Do not use rechargeable batteries e To prevent from liquid leakage take out all batteries when the remote co
8. a veat Air cleaning filter replacement replace about once every 4 months Remove the air filter Air filter EH Remove the air cleaning filter white bellow type itn I Air cleaning filter E Install a new air cleaning filter n Install the air filter Securely close the front panel Air cleaning filter E if the air cleaning filter is clogged it may lower the unit s capacity or cause condensation at the air outlet Theaircleaningfilterisdisposable The standard usable term is about 4 months However if the color of the filter turns to dark brown replace soon Optional parts are available from your local dealer Name of part Type name l E DEODORIZING FILTER MAC 1500DF for MSH 09 12 MAC 1600DF for MSH 18 24 AIR CLEANING FILTER MAC 1000FT for MSH 09 12 MAC 1100FT for MSH 18 24 The air conditioner Cannot be cooled and Display of the remote controller cannot be operated heated sufficiently does not appear The remote control signal Check the following Check the following cannot be received if it is not near the air conditioner The breaker is turned on and fuse is not blown 4 BBR Jn t The temperature setting is correct The batteries are exhau
9. ater may enter the unit and degrade the insulation It may cause an electric shock a AN f 52 fe V il gt Do not put a pet or house plant where will be exposed to direct air flow e This could injure the pet or plant Do not apply an insecticide or flammable spray e may cause a fire or deformation of the cabinet Ventilate well when used together with a stove etc e An oxygen shortage may occur Do not use for special purposes iid e Do not use this air conditioner to preserve precision devices food animal plants and art objects It may cause deterioration of quality etc Do not put a stove etc where is exposed to direct air flow When the unit is not going to be used for long time disconnect the power plug or turn off the breaker e If not dirt may collect and cause a Do not step on the indoor outdoor unit and do not put anything on it e may cause an injury through dropping or falling down Do not leave on installation stand which is damaged e The unit may drop or fall down and cause an injury Do not operate for a long time in high humidity e g leaving a door or window open e Inthe cooling mode if itis operated in aroom with high humidity 80 r h or more for along time water condensed in the air conditioner may drop and may wet and spoil furniture etc Do not step onto an unstable bench whe
10. e to observe them Marks and their meanings are as shown below Do not connect using branched outlet or an extension cord and do not attach many loads to one electric outlet e A fire or electric shock may result from poor contact poor insulation exceeding the permissible current etc Incorrect handling could cause a serious hazard such as death serious injury etc with a high probability Incorrect handling could cause serious hazerd depending on the conditions Meanings of symbols used in this manual are as shown below Be sure not to do Be sure to follow the instruction Remove dirt from the power plug and securely insert into the outlet e If dirt adheres to the plug or insertion is incomplete it may cause a fire or electric shock Be sure to ground Be sure to disconnect the power plug Never onto the indoor outdoor unit to put anything on them Danger of an electric shock be careful Never insert your finger or a stick etc e After reading this manual keep it together with the installation manual in handy place for easy reference Do not scratch or process the power cord etc Do not put heavy object on the power cord do not heat it and do not process it The cord may be damaged and it may cause a fire or electric shock amp Do not disconnect connect Do not insert your finger or the power pl
11. erature operation mode selected first is not changed even if the About 25 C or higher COOL room temperature changes If the operation mode does not Et About 25 C to 23 C gt DRY match the room condition select the required operation About 23 C or lower gt HEAT mode by pressing the gt MODE button Details of I FEEL auto operation initial state Room temperature 1 Target temperature when started Operation mode About 25 C or higher COOL About 25 C to 23 C DRY HEAT About 26 C About 24 C About 23 C or lower COOL When the room temperature is 2 C higher than the set temperature the set temperature may not be decreased since the unit operates at high power In this case wait until the room temperature drops to Within 2 C of set temperature HEAT When the room temperature is 2 C lower than the set temperature the set temperature may not be B increased since the unit operates at high power In this case wait until the room temperature rises to within 2 C of set temperature Display details on the indoor unit The operation indicator at the right side of the indoor unit indicate the operation state Operation Indicator M 0 Operation Indicator lamp MEM Difference between set Indication Operation state temperature and room temperature This shows that the air conditioner is operating to reach the target temperature Wait for s
12. etting cannot be done room temperature is slightly lowered in this operation mode When the ambient temperature is too high the room The details displayed on the indoor unit temperature may not reach the set temperature since are the same as those in the I FEEL the unit operates to cool at high load COOL MODE See page 9 t1 For effective cooling Close the windows and pull Paste a heat shield film Block the outdoor unit from down blinds Sunshine is generally available on the direct sunlight This saves reduced and cooling window Heat entering the energy efficiency increases room is reduced Comfortable warmth depends on the the temperature difference from the external temperature It is recommended that the set temperature in the heating operation does not differ from the external temperature too much Though there is a regional difference as a reference a set temperature between about 20 C and 24 is most suitable The humidity at which humans feel comfortable When air contains too much moisture humans feel clammy Humidity is related with temperature and wind The humidity at which humans feel comfortable is 60 75 RH in summer 55 70 FH in winter 12 13 To change the AIR FLOW velocity FA press the 5 button AIR is can Each time the button is pressed fan speed is changed e selected as required in sequence from 0
13. hanges the EMERGENCY COOL MODE EMERGENCY HEAT MODE and STOP MODE With the I FEEL auto operation mode the optimum room condition can be set automatically by one touch operation AUTO To start operation ON OFF Press the button When the I FEEL is displayed the air condi tioner is automatically controlled at the optimum temperature To stop operation ON OFFO Press the O button When about 15 min passes after operation start If you feel slightly warm vTOO Press the button to lower the temperature One press lowers the temperature by about 1 C If you feel slightly cool ATOO Press the ES button to raise the temperature One press raises the temperature by about 1 C a When I FEEL is not displayed press the lt gt button to set to the I FEEL auto operation mode Each time the button is pressed the operation mode is changed in sequence from I FEEL COOL DRY to HEAT ON OFF VTOO 1 WARM COOL O OE NEUEN Description of I FEEL mode Details of operation According to the room temperature when the operation starts the operation mode is automatically selected between COOL DRY and HEAT However when operation is started again within 2 hours after the operation is stopped the same operation mode before it is stopped is selected The f Room temp
14. ing to the heat exchanger during heating operation drips Air does not flow out quickly in the heating operation Wait as the air conditioner is preparing to blow out warm air The oper tion D is stopped for efrosting of the outdoor unit is being done Defrosting operation about 18 Since this is completed with 10 minutes minute nne wait When the external temperature is heating too low and humidity is too high frost is operation formed Some times a This is the sound when the flow of hissing sound is refrigerant inside the air conditioner is heard switched 24 sa eap 919 abeyes au jo Ag Anfu yoous eui Aq aq jou 10 nedo ONINHVM Jeuio sno peuinbai 410M pue jeloeds 939 jo pej ejsut 10 01 SI Jeuonipuoo Y M uoneooJaH IJNOA jnsuoo uonesedo Bulunp Plesy si punos JI M punos asealoul Anoede jo esneo Aew run 1 JO 191110 y punoae ue ynd jou punos Japisuod osjy INO JNSUOJ 99UEUGEILIEUI 0 uonippe 1sijeroeds e Aq pebseyo
15. n attaching detaching the panel e Itmay case an injury etc by falling When the air filter is to be removed do not touch the metal parts of the indoor unit may cause an injury e Consult your dealer for installing the air conditioner Apply grounding e Do not connect a grounding wire toagas pipe water pipe lightning rodor ground wire of atelephone If a grounding is incorrect it may cause an electric shock Install an earth leakage breaker depending on the place where the air conditioner is to be installed humid place etc elf the earth leakage breaker is not installed it may cause an electric shock Do not install the unit where flammable gas could leak e If gas leaks and collect around the unit it may cause an explosion Drain water should be fully drained e If the drainage route is incomplete water may drop from the unit Itmay wet and spoil furniture MSH O9NV MSH 12NV Front panel MSD 18NV Air cleaning filter Air inlet White bellows type Deodorizing filter Power supply plug E SZ a a a RV gray sponge type B Remote control receiving section Air filter Horizontal vane Vertical vanes Remote controller Operation section Di
16. ntroller is not going to be used for a long time e Theservice life of an alkaline battery is about 1 year However since the recommended usable time limit is indicated month year on the bottom of the battery a battery the time limit of whichis approaching may become exhaust sooner WHEN THE REMOTE CONTROLLER CANNOT BE USED EMERGENCY OPERATION When the batteries of the remote controller run out or remote controller malfunctions EMERGENCY OPERATION can be done using the EMERGENCY OPERATION switch MSH 09NV MSH 12NV Press the EMERGENCY OPERATION switch Each time the switch is pressed the unit changes the EMERGENCY COOL MODE EMERGENCY HEAT MODE and STOP MODE MSH 18NV MSH 24NV Details of operation are as shown below However the temperature control does not work for about 30 minutes at first and the unit is set to the continuous operation mode with the fan speed set to Medium Set temperature Fan speed Fon oe vane The operation mode is indicated on the operation indicator lamp on the indoor unit Medium Auto Medium Auto Operation Indicator Lamp EMERGENCY COOL EMERGENCY HEAT STOP Operation Indicator a O Operation Indicator 0 8 Operation Indicator O To stop EMERGENCY OPER ATION press EMERGENCY OPERATION switch again Each time the switch is pressed the unit c
17. ome time until the target About 2 C or more temperature is obtained This shows that the room temperature is approaching the target temperature About 2 C or less 10 With this operation mode the temperature and airflow direction can be finely adjusted by selecting the operation mode To select the COOL DRY or HEAT mode Press the Oo button El Selectthe operation mode by pressing theC gt MODE button Each time this button is pressed the operation mode is changed in sequence from I FEEL COOL DRY HEAT To stop operation Press the ONOFF button After the operation mode is set once the operation starts in the mode set previously from the next time by simply pressing the NFF button a Whenthe settemperature is to be changed YTOO Press the button to lower the temperature One press lowers the temperature by about 1 C ATOO Press the 5 button to raise the temperature One press raises the temperature by about 1 C E if the air conditioner absorbs too much heat from the air the machine may be overloaded Following a judgement made by the micro processor the fan in the outdoor unit is automat ically stopped to protect the air conditioner When the outdoor unit s fan is stopped frost may form on the outdoor This is not a problem 5 M The temperature control temperature s
18. r Wait E This sound is generated by the expansion contrastion of the front panel etc due to changes of temperature B The air conditioner sucks an odor adhering a wall carpet furniture cloth etc and blow it i out with air E If water condensing to the heat exchanger evaporated again the humidity increases To prevent this fan operation of the indoor unit stops when the room temperature has dropped sufficiently m This is the sound of refrigerant flowing In inside the air conditioner B This is the sound of condensed water in n the heat exchanger flowing E This is a sound of the heat exchanger defrosting When the air conditioner is operated in the COOL or DRY mode if the operation continues with air blowing down for 1 hour the direction is automatically set to level to prevent condensed water from dropping E When the air conditioner is operated in the HEAT mode if the output air temperature is too low or when defrosting is done the air flow direction is automatically set to level A mechanical sound is heard from the indoor unit m This is the sound of the switch turning ON OFF the fan or compressor E During cooling operation pipe or pipe connector section are cool and cause water condensed W Water or water vapor created by the defrosting Water leaks from the outdoor unit operation is collected E Water adher
19. splay section when the front panel is open 5 MSH 12NV MSH 09NV MSH 12NV Emergency operation switch Receiving section Emergency operation switch Receiving section MSH 12NV MSH 18NV back and side Drainage hose Air outlet 58598538855 Drain outlet Operation Indicator lamp Operation Indicator lamp Remote controller Signal transmitting section E COOL DRY HEAT haml Inl C PP AUTO ana CLOCK AMP 8 98 S 8 60 OSTART OSTOP Operation display section OPERATE STOP ON OFF button OPERATION SELECT button TEMPERATURES button FAN SPEED CONTROL button VANE CONTROL button SLEEP button SWING button ON TIMER button CLOCK SET button OFF TIMER button RESET button 2 HR button MIN button pn TIME SET button 4 This diagram shows an overall view Insert the power plug into the ZX WARNING power outlet and turn the breaker Remove dirt from the power plug and insert it on securely If dirt adheres to the plug or insertion is incomplete it may cause a fire or electric shock Remote controller how to set the current time 1 3 Press the cy and 25 button i batteries And then reattach the ui TIME SET button to set the ta current time Press it using a
20. sted The ON timer is not m The polarity of the set EB Air filter is not dirty batteries is confused wn e Outlet of the outdoor unit are not blocked When a power _ Check the failure occurs following The air conditioner is kept stopped After the power is restored pressing the ON OFF button again Un The SLEEP mode is not set in the day Even if the above items checked when the air conditioner does not recover from the stop using the air conditioner and consult your dealer _ In the following cases stop operation and consult your dealer E The remote control signal may NI In a weak radio wave area B When thunder is heard stop not be received in a room with when the air conditioner is operation and pull out the power an electronic ON OFF type operated noise may be plug or turn off the breaker fluorescentlamp inverter type generated in SW radio Otherwise the electrical parts may fluorescent lamp etc is used reception be damaged 22 The air conditioner cannot be operated about for 3 minutes when re started Crack sound is heard 02 Room smells funny 1 Fan stops during the DRY operation Water flowing sound is heard a Air Flow direction is changed during operation 23 E This protects the air conditioner by instructions from the microprocesso
21. temperature is When the output air temperature rises too low the air is blown out horizontally the air is blown out downwards 2 COOL DRY The AIR FLOW blows level To change the horizontal direction of the AIR FLOW move the vertical vanes manually Adjust the vanes before operation starts Since the horizontal vane move automatically your fingers may be caught 14 Perform the following operations while the unit is running Use this mode to reduce air flow sound when sleeping etc SLEEP Press the button FEEL Del eTorelease the SLEEP mode Se ai AUTO Press pcm c again The air flow sound from the indoor unit is decreased When the 5 button is pressed during the SLEEP mode the SLEEP mode is released S Use the sleep mode when you are going to bed If this mode is used in the day the capacity is reduced since the ambient temperature is too high COOL MODE 15 For AIR FLOW to reach all corners of the room or to strike a point directly use the swing operation Perform the following operations while the unit is running SWING Press the gt button e To release the SWING operation mode SWING Press the C gt button again E if the O button is pressed during swing operation swing operation is released 16 TIMER It is convenient to set the timer for the time when
22. to dry the inside of the air conditioner e To perform FAN operation the highest set temperature is selected the MANUAL COOL OPERATION mode Page 11 AA D C ZI Turn off the breaker then disconnect the power plug A CAUTION Disconnect the power plug or turn off the breaker when the air conditioner is not going to be used for a long time Dirt may collect and may cause a fire Remove the batteries from the remote controller be used again Clean the air filter and install it in the indoor unit Refer to page 20 for cleaning it Clean it before installing ES Checkthatthe air inlet and outlet of the indoor outdoor unit are not blocked EH Check that the ground wire is connected correctly It may be connected to the indoor unit side A CAUTION Apply grounding Do not connect a grounding wire to a gas pipe water pipe lightning rod or ground wire of a telephone If a grounding is incorrect it may cause an electric shock 18 Before starting maintenance Cleaning the indoor unit Turn off the breaker then Clean usina soft cloth disconnect the power plug uH 9 y Do not use gasoline benzine polishing powder and When the unit is to be cleaned switch detergent And do not spray with insecticide The it off and disconnect the power plug or anit may ver damages turn off the
23. ug during stick etc into the air inlet air operation outlet e Since the fan rotates at high speed this may cause an injury e This may cause a fire due to sparks etc Do not expose the skin to Repair or relocation should cool air directly for long time This could damage your health not be done by the customer e If this is done incorrectly it may cause a fire electric shock injury by dropping of the unit water leakage etc Consult your dealer The Customer should not install this unit e If this is done incorrectly it may cause a fire electric shock injury by dropping of the unit water leakage etc Consult your dealer When an abnormality smell of burning etc occurs stop the air conditioner and disconnect the power plug or turn off the breaker Ifthe unit continues to be operated in an abnormal condition it may cause fire trouble etc In this case consult your dealer Do not pull the power cord Hold the power plug to disconnectit The core wire of the power cord may be disconnected and it may cause a fire When the unit is to be cleaned switch off and disconnect the power plug or turn off the breaker e Since the fan rotates at high speed during operation it may cause an injury Do not operate switches with wet hands e may cause an electric shock Do not clean the air conditioner with water e W
24. you go to bed when you get home when you get up etc Sm em AUTO OPM 171 7177 1L LILI STOP 17 How to set the ON timer Press the button to set the ON 1 timer mode during operation Each time the button is pressed the ON timer mode alternates between ON and OFF Set the time of the timer using the CS and cc Each time the cS button is pressed the set time is counted up by 1 hour each time the oy button is pressed the set time is counted up by 10 minutes e To release the ON timer Press the 225 button to release the timer How to set the OFF timer STOP Press the O button to set the OFF timer mode during operation Each time the button is pressed the OFF timer mode alternates between ON and OFF Set the time of the timer using the gt and c buttons Each time button is pressed the set time is counted up by 1 hour each time the CS button is pressed the set time is counted up by 10 minutes e To release the OFF timer Press the cs button to release the timer The ON timer and OFF timer can be used in combination The timer ofthe set time which is reached first will operate first lt mark indicates the order of timer operations E ifthe currenttime has not been set the timer operation cannot be done When itis not going to be used When the air conditioner is to for a long time 1 Perform FAN operation for 3 or 4 hours
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