SPLIT WALL-MOUNTED TYPE
Contents
1. 34 2 After the last defrosting the time that the outdoor fan is off but the compressor is on in high T2 protection cumulates up to 90 minutes e Condition of ending defrosting If any one of the following items is satisfied the defrosting will terminate and the machine will turn to normal heating mode 1 The defrosting time is reached to the setting value 2 The compressor current reaches or overs Iperrost for 7 seconds lpErRosr 3 5A for 7k 9k models Iperrost 7 5A for 18k models e Defrosting action i Setting defrosting time 45s 4 255 lt Compressor 4 way valve Outdoor fan Indoor fan About the setting defrosting time 1 Condition 1 of defrosting If case B happens before case A and lasts till case A happens the setting defrosting time is 10 minutes Otherwise the defrosting time is 7 5 minutes 2 Condition 2 of defrosting The defrosting time is 10 minutes 3 No matter what condition of defrosting is if the defrosting time keeps 7 5 minutes for 3 times it will 35 For 21k 24k models e Condition of defrosting AC will enter defrosting mode if any of the following items is satisfied 1 When T3 lt TC1 C if thecompressor keeps running over 40 minutes and T3 lt TC3 C for 3 minutes While TC12 0 C TC3 3 C 2 After the last defrosting the time that the outdoor fan is off but the compressor is on in high T2 protection cumulates up to 90 minutes e Condi2. U andis Hi Charge bees Charge hose Vacuum mcn er pump adaptor Vacuum pump Procedure de Completely tighten the flare nuts of the indoor and outdoor units connect the manifold valve charge Connect the charge hose connection to the vacuum pump Fully open the handle Lo of the manifold valve Operate the vacuum pump to evacuate After starting evacuation slightly loose the flare nut of the Lo valve on the gas pipe side and check the air is entering Operation noise of the vacuum pump changes and a compound meter indicates 0 stead of minutes After the evacuation is complete fully close the handle Lo valve of the manifold valve and stop the operation of the vacuum pump Make evacuation for 15 minutes or more and check the compound meter indicates 76cmHg 21 6 Turn the stem of the Hi valve about 45 counterclockwise for 6 or 7seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure 7 Remove the charge hose from the Lo pressure charge hose 8 Fully open the Hi and Lo packed valve 9 Securely tighten the cap of the packed valve Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 6 5 Pumping down
3. Yes Check the indoor unit main board Replace indoor PCB
4. Re installation Indoor unit Y DN Liquid c Outdoor unit E way Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve 22 Connect the charge hose with the push pin to the gas service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 5 Set the 2 way valve to the close position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1 MPa 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa 8 Disconnect the charge set and amount the 2 way and 3 way valve s stem nuts and service port caps Use a torque wrench to tighten the service port cap Be sure to check for gas leakage 6 6 Re air purging Re installation T Indoor unit Y NN Liquid side NSZ Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 w
5. and Solution 9 2 1 Indoor fan speed out of control diagnosis Shut off the power supply and turn on it 5s later The unit does not work normally Turn off the unit rotate the cross fan Does it rotate freely Yes Is the indoor fan motor connector and connection good Yes Is the voltage being applied to the fan motor No Replace the indoor PCB Disassemble the connection between fan and motor check if the bearing is normal If not change the bearing If yes follow the below step Replace the fan motor 43 9 2 2 Open or short circuit of temperature sensor diagnosis and solution Check the connections between the sensors and the PCB Are the connections good Yes i Yes Replace the sensor and check if Replace outdoor PCB the errors happen again 9 2 3 Over current protection occurs 4 times Current protection Check if the voltage of power supply is too low The power supply is Repair the power problematic supply Check if the Operation condition is ormal especially the outdoor unit Correct the Operation condition Disconnect with the power and replace the main PCB Check if the compressor is normal Turn on the units and check if the problem remains Replace the compressor Check if the capillary is blocked Replace the capillary There is some air Evacuate the mixed inside the refrigerant sy
6. avoid personal injury m Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion M Do not recharge or disassemble the batteries Do not dispose of batteries a fire They may burn of explode B Ifthe liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked The chemical in batteries could cause burns or other health hazards The designs and information in this book are subject to change without notice for product improvement 2 Function Operation by remote controller Sensing by room temperature Room temperature sensor Pipe temperature sensor Room temperature control Maintain the room temperature in accordance with the setting temperature Anti freezing control in cooling Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety control Indoor fan speed control c o o 2 3 o o N Sleep mode auto control Timer function Independent dehumidification Self diag function The function is usually used in rainy days in springtime or damp areas Auto restart function Air flow Direction control The louver can be set at the desired position or swing up and down automatical
7. is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 Auto fan For 7k 9k 18k models T1C 29 28 25 For 21k 24k models TIC 28 27 24 30 8 4 2 Cooling Mode 8 4 2 1 Compressor running rules Once the compressor starts up it will follow the below rules When indoor room temp T1 is lower than Tn the compressor and outdoor fan will shut off When T1 is higher than Tm the compressor and outdoor fan will start up T1 Tm Tn Tm Ts 1 Tn Ts 8 4 2 2 Outdoor fan running rules The On off outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode defrosting mode and the current protection 8 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan Room temp Setting temp high medium 8 4 2 4 Evaporator low temperature T2 protection Im on TE6 TE5 offe 31 When the evaporator coil temp T2 keeps lower than TES for 5 minutes 4 minutes for 21k 24k models the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will restart up While TE5 4 C TE6 10 C for KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2
8. run in auto mode in the below cases 1 Press the forced auto button 2 If AC is off it will run in auto mode when timer on function is active 3 After setting the mode AC will run in auto mode if the compressor keeps not running for 15 minutes 8 4 5 Drying mode For 7k 9k 18k models 8 4 5 1 The indoor fan will run following the compressor lf the compressor is on indoor fan will run at low speed lf the compressor is off the indoor fan will run at breeze Running rules No Condition Indoor fan Compressor and outdoor fan 1 Ti 2 TS42 Low ON 6 minutes Breeze OFF 4 minutes 2 TS lt T1 lt TS 2 ON 5minutes i OFF 5 minutes Low ON 4 minutes T1 lt T 38 8 4 5 2 In drying mode if room temperature is lower than 10 fQddbe fan will run at breeze while the compressor and outdoor fan will stop and not resume until room temperature exceeds 13 8 4 5 3 System protection is active in this mode For 21k 24k models 8 4 5 4 The indoor fan will keep running at low speed 8 4 5 5 The outdoor fan compressor and all the protections are the same with cooling mode 8 4 6 Forced operation function Press the touch button continually the AC will run as below sequence Forced auto Forced cooling Off Forced cooling mode The compressor and outdoor fan keep running and the indoor fan runs at low speed After running for 30 minutes AC will turn to drying mode AC will turn to auto mode for 21k 24k models with
9. 24 C setting temperature Forced auto mode The action of forced auto mode is the same as normal auto mode with 24 C setting temperature e When AC receives signals such as switch on switch off timer on timer off mode setting fan speed setting sleeping mode setting follow me setting it will quit the forced operation e forced operation function can not be memorized if power off 8 4 7 Timer function 8 4 7 1 Timing range is 24 hours 8 4 7 2 Timer on The machine will turn on automatically when reaching the setting time 8 4 7 3 Timer off The machine will turn off automatically when reaching the setting time 8 4 7 4 Timer on off The machine will turn on automatically when reaching the setting on time and then turn off automatically when reaching the setting off time 8 4 7 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time 8 4 7 6 For 7k 9k 18k models the timer function will not change the AC current operation mode 39 Suppose users set the timer off function and AC is off now the AC will keep the current running mode and then turn off when reaching the setting time For 21k 24k models the timer function will change the AC current operation mode Suppose users set the timer off function and AC is off now the AC will turn on firstly and then turn off when reaching the setting time 8 4 7 7 The se
10. 60 460 276 57 9k 700 535 235 458 250 60 18k 760 590 285 530 290 63 21k MOP 21H QB6W 820 330 595 523 340 50 21k 24k 845 695 335 560 335 73 11 4 Refrigerant Cycle Diagram For heat pump models INDOOR UNIT OUTDOOR UNIT aj CHECK VALVE Heating Model only Ww ESA VOD CAPILLARY TUBE LIQUID SIDE HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER VALVE Heating Model Only COOLING HEATING COMPRESSOR 5 Wiring Diagram 5 1 Indoor Units KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2 A KSR1 18HRN1 QB8 BROWN BLACK INDOOR MOTOR 5 4 NB N 4 BLUE OR WHITE eC Ez TEE Y G OR GREEN s 138 EB 5 POWER SUPPLY i as LL LL LJ TRANSFORMER OM 2 will 1 U m ca RED HETT TT CURRENT DETECT OSK T LIE S o OEP 7 O AE pr co Q 1 lz wd PN UE uma o 2 U BA AE E Y G MIRCO SWITCH PIN JM 1 20 3 4 4 OR ANION GENERATOR LAIR CONDITIONER ejelielieis DISPLAY BOARD L INDOOR UNIT paca TO OUTDOOR UNIT a NOTE The wiring diagram is for explanation purpose only The actual shape of the components may be different 2 Symbol 1 indicates optional components 3 The Color Of cable is different according to the Standards I
11. A models TE5 3 C TE6 14 Cfor KSR1 18HRN1 QB8 model TE5 2 C TE6 12 Cfor KSR1 21HRN1 QB8W KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W models 8 4 2 5 Condenser high temperature T3 protection only for 21k 24k heat pump models T3 i Off t TE10 TE11 On When T32TE10 the compressor will shut off When T3 lt TE11 the compressor will restart TE10 65 C 11 55 8 4 3 Heating Mode 8 4 3 1 Compressor running rules For 21k 24k models everytime the compressors start up they will keep running for At minutes protections are active and then follow the below rules While At 4 For other models they will follow the below rules once the compressors start up When indoor room temp T1 is higher than Tj the compressor and outdoor fan will shut off When T1 is lower than Tk the compressor and outdoor fan will start up Tj Tk Tj Ts Tc Tk Ts Tc 1 Tc 1 Cfor 7k 9k 18k models Tc 4 Cfor 21k 24k models 32 8 4 3 2 Outdoor fan running rules The outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode defrosting mode and the current protection 8 4 3 3 Indoor fan running rules For 21k 24k models when the compressor is off because off the room temperature rising or the protection the indoor fan will run as below rule For 21k model 12 Se
12. AM p UNIT m om CAP2 AN CAPACITOR FAN vs m t 0 m IME Notes Symbol 1 indicates the element is optional the actual shape shall be prevail Symbol 2 indicates compressor internal or external components SS Sr TO INDOOR UNIT POWER SUPPLY 18 6 Installation details 6 1 Wrench torque sheet for installation Additional Outside diameter Torque tightening torque mm inch N cm N cm 1500 1600 06 35 1 4 153kgf cm 163kgf cm 2500 2600 09 52 3 8 255kgf cm 265kgf cm 3500 3600 912 7 1 2 357kgf cm 367kgf cm Si 5 8 4500 4700 459kgf cm 479kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectional area mm gt 3 and lt 6 0 75 gt 6 and lt 10 1 0 gt 10 and lt 16 1 5 gt 16 and x25 The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch 6 3 Pipe length and the elevation The pipe length and refrigerant amount Additional amount of Model Connective pipe length Air purging refrigerant All Less than 5m Use vacuum pump 7k 9k 18k More than 5m Use vacuum pump P
13. EC Standards BROWN BIUE Y G UL Standards BLACK WHITE GREEN 13 KSR1 21HRN1 QB8W KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W wur TRE CONTROLLER OF nc wg WIRING DIAGRAM Eg INDOOR UNIT A af 2 KK gt 8 FUSE 3 15A 250V RT EZ li RT2 FANT INDOOR FIN CAPI FAN CAPACITOR SWING SWING MOTOR NEN TRANSI TRANSFORNER c a gt ROOM TEMPERATURE SENSOR m gemme PIPE TEMPERATURE SENSOR Pelee ET 5 HAY TERMINAL CNI ON11 SOCKETS XP2 XS2 CONNECTORS TO OUTDOOR UNIT 5 2 Outdoor Units KOK1 07HN1 QC2 KOA1 09HN1 QC2 pp OVER LOAD PROTECTION CAPACITOR CAPACITOR amp This symbol indicates the element is optional the actual shape shall prevail KOE 18HN1 QB8 TO INDOOR UNIT OUTDOOR UNIT COMPRESSOR VIG CAPACITOR indicates the element is optional the actual shape shal prevai FAN CAPACITOR KOF 21HN1 QB8W KOF2 21C QB6W KOP 21H QB6W a ae P E SENSOR AC SI TRA z WE G VALVI X R Kl C C OR 7 NOTE Symbol indicates compressor internal or external components Symbol 2 indicates the element is optional the actual shape shall be prevail 17 KOF2 24HN1 QB8W WHITE or BLACK WIRING DIAGR
14. K AIS A INSTRUKCJA OBS UGI urz dze klimatyzacyjnych KAISAI SPLIT WALL MOUNTED TYPE R ON OFF SERIES Eurociima ARN CONTENTS 1 Precaution PI D TT RT 1 E SAN Peil 1 12 Warning aars 1 2 FUNCOM Lik 6 3 DIMENSION sza kassen ier Sek spe 9 3 1 d door UNG m 9 3 2 0UId00RUNIIS oe KARA eet teet a tun detta eU Ende 11 4 Refrigerant Cycle Diagram 2 nn estate enin nter oe drammen rude To Fe Ei A Gewa 12 5 Wiring DIagram 222225 13 5 indoor UNS Pee een 13 5 2 Outdoor UMB varselet Gaia 15 6 Installation detalls an aan 19 6 1 Wrench torque sheet for installation 19 6 2 Connecting the cables TAA t Cete ATZ PTT CE 19 6 3 Pipe length and the elevation 20 6 4 Air purging with vacuum pump eee eee ee esse eee aaa wana 21 6 5 Pumping down Re installation ee ese eee ee eee aaa aaa 22 6 6 Re air purging Re installation eese 23 6 7 Balance refrigerant of the 2 way 3 way 24 6 8 Evacuatioli 233 sian adaadini ive ae DOO RE EU c a x nisin car e ac c ds 25 Lo mee Gas charaitig ss eene me meme CT 26 7 Operation characteristics ie escrita o enm ddnde rust rne de wa oa area dende 27 9 Electronic TUnctlOlni onio
15. and outdoor fan will shut off B zone The current exceeds Ismin for 5 minutes the compressor and outdoor fan will shut off C zone The current exceeds Iran the outdoor fan will shut off if AC is in heating mode If AC is in cooling mode the indoor fan will run at low speed lasec 8 5A lsmin 6 5A Iran 5 5A Ingsrong 4 5A for KSR1 07HRN1 QC2 A models lssec 10 0A lsmin 8 5A Iran 6 5 Ipestore 3 5A for KSR1 09HRN1 QC2 A models 16 0A Ismin 15 0A Iran 14 0A Irestore 12 0A for KSR1 18HRN1 QB8 models 16 0A Ismin 15 0A lean 11 0A IResroRE 9 5A for KSR1 18HR QB6 model Issec 22 0A Ismin 20 0A Iran 16 0A Irestore 14 0A for KSR1 21HRN1 QB8W models lasgc 26 0A Ismin 24 0A Iran 20 0A Irestore 18 0A for KSR1 24HRN1 QB8W models 8 3 4 Zero crossing detection error protetion only for 7k 9k 18k models If AC can not detect zero crossing signal for 4 minutes or the zero crossing signal time interval is not correct the unit will stop and the LED will display the failure The correct zero crossing signal time interval should be between 6 13ms 8 3 5 Indoor outdoor units communication protection only for 21k 24k models If the indoor units can not receive the feedback signal from the outdoor units for 2 minutes the AC will stop and display the failure 29 8 4 Operation Modes and Functions 8 4 1 Fan mode 1 Outdoor fan and compressor stop 2 Temperature setting function
16. ay valve Leave the valve on the charging cylinder closed 23 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap Be sure to check the gas leakage 6 7 Balance refrigerant of the 2 way 3 way valves RR ad 2 way am N Open Liquid side Outdoor unit Gas side OPEN 24 Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position 2 Connect the charge set to the 3 way valve s service port Leave the valve on the charge set closed Connect the charge hose with the push pin to the service port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge
17. eration the product with wet hands There is risk of fire or electric shock M Do not place a heater or other appliance near the power cable There is risk of fire and electric shock B not allow water to run into electric parts It may cause fire failure of the product or electric shock B Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product B Donot use the product in a tightly closed space for a long time Oxygen deficiency could occur m When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off 2 There is risk of explosion or fire m If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire m Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock m Do not open the inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure m When the product is soaked flooded or submerged contact an Authorized service center There is risk of fire or electric shock M Becaution that water cou
18. indicates 0 05 to 0 1Mpa If the pressure when the air conditioner is not running is higher than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa Discharge the refrigeration gradually if it is discharged too suddenly the refrigeration oil will be discharged 6 8 Evacuation emn Indoor unit ia N Liquid side f Outdoor unit a Zi N pen N AY wee E y 3 way valve i A Procedure 1 Connect the vacuum pump to the charge set s centre hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump 25 6 9 Gas charging neon a NAM Outdoor unit C Ae ZZ P way ue LH LR Gas side M p Check valve AA 3 e valve L Charging cylinder Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check
19. ion Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 Optimum performance will be achieved within this operating temperature 27 8 Electronic function 8 1 Abbreviation T1 Indoor ambient temperature T2 Coil temperature of indoor heat exchanger T3 Coil temperature of outdoor heat exchanger T4 Outdoor ambient temperature T5 Compressor discharge temperature 8 2 Display function 8 2 1 Icon explanation on indoor display board JU W E O O Leff D tu 0 Auto indicator This indicator illuminates when the air conditioner is in AUTO Timer indicator This indicator illuminates when TIMER is set ON OFF Sele PRE DEF Indicator For Cooling amp Heating models only This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode U OPERATION indicator This indicator illuminates when the air conditioner is running 28 8 3 Main Protection 8 3 1 Time Delay at restart for compressor 8 3 2 Fan Speed is out of control only for 7k 9k 18k models When Indoor Fan Speed keeps too low or too high for certain time the unit will stop and the LED will display the failure 8 3 3 Current protection I3SEC I5MIN IFAN IRESTORE Resume A zone The current exceeds lasec for 5 seconds the compressor
20. ipe length 5 x 30g m 21k 24k More than 5m Use vacuum pump Pipe length 5 x 60g m Standard Max length Elevation B m 7k 9k 5 5 10 18k 5 8 15 21k 24k 5 10 20 Indoor unit Indoor unit Qutdoor unit Caution Capacity test is based on standard length and maximum allowance length is based on system reliability Oil trap should be installed per 5 7 meters 20 6 4 Air purging with vacuum pump Air and moisture in the refrigerant system have undesirable effects as below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor units and the pipes between indoor and outdoor units must be leak tested and evacuated to remove gas and moisture from the system Air purging with vacuum pump Indoor unit _ Liquid side Outdoor unit Wz b Two way Es T Close mat Three way valve a Jm Chose i ur gauge I Gas side Manifold valve Compound meter 76cmHg 7 Handle
21. ld not enter the product There is risk of fire electric shock or product damage B Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock m Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation M care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage gt CAUTION B Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product B install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage B Keep level even when installing the product 3 It can avoid vibration of water leakage B not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors M Use two or more people to lift and transport the product Avoid personal injury B Donotinstall the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malf
22. ly Auto mode Flexible wiring connection The mode can be change by the room temperature Outdoor units Power relay control Low noise air flow system Anti rust cabinet Made from electrolytic zinc steel sheet and anti rust coated components Valve protection cover It protects the valves and prevents water from dripping 3 Dimension 3 1 Indoor Units Figure 1 if 450mm or more to ceiling Indoor unit outline Installation plate _ 192 192 i 120mm or zi 120mm or more to wall io more to wall Left rear side Bi 1 Ri ht rear side refrigerant 7 refrigerant pipe hole 65 710 pipe hole 65 Figure 2 ll 150mm or more to ceiling Indoor unit outline _ Installation plate 228 120mm or 120mm or more to wall Left rear side refrigerant pipe hole 065 d 930 2 to wall fed lt Right rear side refrigerant pipehole 965 Figure 3 150mm or more from the ceiling Hooked Part 1036 380 380 138 I 77 I 120mm or mor 120mm or more f rog 1 from the wall rom the wall 4 I I I I 1 I I J Indoor Unit Outline Figure Models W D H Figure 1 7k 9k 710 189 250 Figure 2 18k 930 198 275 Figure 3 21k 24k 1036 230 315 3 2 Outdoor Units Loop the connective cable Model W H D B C F 7k 685 430 2
23. n aient iud ple actio Peat ca bat esc penu 28 8 1 Abbr viatlon ansees RR Ea at o ec a eine d d 28 8 2 DIsplay T llctlon oi RE eee ee ERR ced eL uL a a ei 28 8 3 Main Protection c t E RE eee m Ce e E ete eie a le bad Een toe niece ies 29 8 4 Operation Modes and EUICUOFS tt 30 9 TroUbDleSHOOUUING Si 42 91 Indooruniterror display 34 e sna RAA RAW RGG AR susan case 42 9 2 Diagnosis arid SU OD ss f ae le e tutt etude EE ERE DE 43 1 Precaution 1 1 Safety Precaution WB To 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 B Before service unit be sure to read this service manual at first 1 2 Warning Installation B Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock M For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock B Always ground the product There is risk of fire or electric shock M Install the panel and the cover of control box securely There is risk of fire of electric shock m Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock B U
24. se the correctly rated breaker of fuse There is risk of fire or electric shock B Do not modify or extend the power cable There is risk of fire or electric shock m Donotinstall remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury B Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges and the fins on the 1 condenser and evaporator m d For installation always contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury M _ Donotinstall the product on a defective installation stand It may cause injury accident or damage to the product B Besurethe installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury B Donotlet the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture m X Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock m Do not place anything on the power cable There is risk of fire or electric shock B Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock B Do not touch op
25. stem refrigerant system and recharge gas 44 9 2 4 EEPROM parameter error diagnosis and solution Shut off the power supply and turn on it 5s later The problem comes out again Is the EEPROM chip plugged in indoor PCB well Replace the main PCB of indoor unit 9 2 5 Zero crossing detection error When such failure occurs the main control board must have fault 45 Replace indoor PCB Correct the connection 9 2 6 Indoor outdoor units communication error Turn off the power supply after 1 minute connect the power supply turn on the unit with remote controller The unit does not work normally Check the wiring between indoor and outdoor No unit Is the connection of L N S and GND good 4 Reconnect and retest Yes Is the LED4 red bright and LED1 yellow Replace indoor PCB blinking on outdoor PCB and repower on Is the failure cleared No The unit does not work normally The power supply for outdoor POB is fail Check the wiring on outdoor PCB Yes comparing with wiring plate ls the Replace outdoor e box connection good No Correct the connection 46 9 2 7 Outdoor units protection Outdoor units protection No Whether the outdoor unit is power on Check when the power is on Yes Measure whether the voltage of the communication line s red and Replace the outdoor black end between the indoor and outdoor unit is 5V unit board
26. tion of ending defrosting If any one of the following items is satisfied the defrosting will terminate and the machine will turn to normal heating mode 1 T3 rises to be higher than TC2 TC2 20 Cfor 21k model TC2 30 C for 24k model 2 The machine has run for 10 minutes in defrosting e Defrosting action i Setting defrosting time 1 i 555 555 4 Compressor 4 way valve Outdoor fan 8 4 3 5 High evaporator coil temp T2 protection For 7k 9k 18k models Compressor off Outdoor fan off Compressor and outdoorfan on TEST TEST While TE7260 C TE8 53 C TE9 50 C for 7k 9k modesis TE7 60 C TE8 52 C TE9 51 C for 18k models 36 For 21k 24k models Compressor off TE7 Outdoor fan off Compressor and outdobr fan off TE8 Compressor and outdoorfan on Compressor and outdoor fan on While TE7263 C TE8 57 C TE9 50 C for KSR1 21HRN1 QB8W model TE7263 C TE8 54 C TE9 50 C for KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W models 37 8 4 4 Auto mode The machine will choose cooling heating or fan only mode according to AT AT T1 Ts For 7k 9k 18k models AT T1 Ts Running mode AT lt 1 C Heating for cooling only models they will run at fan only mode For 21k 24k models AT T1 Ts Running mode AT gt 2 Cooling ATs 1 Heating for cooling only models they will run at fan only mode AC will
27. to drying mode auto mode for 21k 24k models as 24 8 4 10 lonizer Plasma dust collector function optional The indoor unit is equipped with lonizer which is controlled by the CLEAN AIR button on the remote controller When the unit is turned on press the CLEAN AIR button to activate the function Press it again to stop the function During the time when lonizer being controlled by remote controller lonizer will be turned off automatically if indoor fan stops running due to malfunctions or anti cold wind When 40 indoor fan restarts after malfunctions being eliminated and anti cold wind being released lonizer will be available again 41 9 Troubleshooting 9 1 Indoor unit error display For 7k 9k 18k models Operation lamp PX Indoor fan speed has been out of control C o The T1 or T2 sensor is open circuit or short circuit EE MEZEM Over current protection occurs 4 times _ x ee d EEPROM error Zero crossing detection error For 21k 24k models Operation Timer Defrosting Auto Faint lamp lamp lamp lamp Ww x X Over current protection occurs 4 times X X X The T2 sensor is open circuit or short circuit X w X X The T1 sensor is open circuit or short circuit X X W X The T3 sensor is open circuit or short circuit x X X EEPROM error X X X Ww Indoor outdoor units communication error X X x x Outdoor units protection O X off flash 42 9 2 Diagnosis
28. tting TE14 2 C TEI prenen Low 15s For 24k model T2 TE14 2C TE14 While TE14 32 C For all the models when the compressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority Anti cold wind function When evaporator coil temp T2 is getting higher T2 gt TE2 the indoor fan will run at setting speed TE1 T2 TE2 the indoor fan will run at low speed When T2 is getting lower TE4 lt T2 lt TE3 the indoor fan will run at low speed T2 lt TE4 the indoor fan will shut off 33 T2 Setting TE2 Tea eee ee I TE1 En While TE1 28 TOTH29R GAEI8 30 GTE4 26 C TE1 34 0 TE2 36 G 1681 2070 TE1 25 XIR P2k 8 0G8IE3 30 GTE4 20 Cfor Auto fan action T1 TS low 2 0 0 0 medium When T1 Ts gt 2 Gthe indoor fan will run at low speed When T1 TssO G the indoor fan will run at medium speed 8 4 3 4 Defrosting mode For 7k 9k 18k models e Condition of defrosting AC will enter defrosting mode if any of the following items is satisfied 1 Both A and B are satisfied A The compressor keeps running for 40 minutes B The evaporator coil temp T2 Indoor room temp T1 meets the below table Ni High speed Medium speed No need to compare the T2 and T1 THperrost 1 5 C TMperrost 1 6 C TLperrost 1 7 Cfor KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2 A models THperRosr 1 7 C TMperrost 1 8 C TLperrost 1 9 Cfor MSR1 18HRN1 QB8 model
29. tting time is relative time 8 4 8 Sleep function mode 8 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 8 4 8 2 Operation process in sleep mode is as follow After pressing ECONOMIC or SLEEP button on controller the machine will turn into sleep mode When cooling the setting temperature rises 1 C be lower t setting temperature stops rising and indoor fan is fixed as low speed When heating the setting temperature decreases 1 0 0092 Hoigtser than 17 e later the setting temperature stops rising and indoor fan is fixed as low speed Anti cold wind function has the priority 8 4 8 3 Timer setting is available 8 4 8 4 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode 8 4 9 Auto Restart function The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including Swing function automatically after 3 minutes when power returns If the memorization condition is forced cooling mode the unit will run in cooling mode for 30 minutes and then turn
30. unction or inefficient operation gt Operational M Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health B Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property m Do not block the inlet or outlet of air flow It may cause product failure B Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product M Donot touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury M Do not step on or put anything on the product outdoor units There is risk of personal injury and failure of product m Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage M Donotinsert hands or other object through air inlet or outlet while the product is 4 operated There are sharp and moving parts that could cause personal injury B Do not drink the water drained from the product It is not sanitary could cause serious health issues B Use afirm stool or ladder when cleaning or maintaining the product Be careful and
31. valve on the charge set to purge the air be careful of the liquid refrigerant 3 Open the valves Low side on the charge set and charge the system with liquid refrigerant 4 Disconnect the charge hose from the 3 way valve s service port immediately Stopping partway will allow the refrigerant to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap Be sure to check for gas leakage 26 7 Operation characteristics Se Mode Temperature Cooling operation Heating operation Drying operation Room temperature 17 C 32 C 0C 30 C 100 320 lt 21000Btu h models 221000Btu h models WEE e 11 C 43 C Outdoor temperature 18 C 43 C 21000Btu h models 5 C 43 C For the models with 18 C 43 C low temperature cooling system 24 C 221000Btu h models 21 C 52 C For special tropical 21 52 C models For special tropical models CAUTION 1 If air conditioner is used outside of the above conditions certain safety protection features may come into operation and cause the unit to function abnormally 2 Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may attract condensat
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