TECHNICAL SERVICE MANUAL
Contents
1. EE CIRCUIT DIAGRAM 81902710 X20 X103 E X108 0 T seha J DISPLAY UNIT gol x125 X110 3 Ca X30 X123 aa er BU NGO E G YE GN SWITCH UNIT Ik gt e 2 COM Hiya TH X12 YE G THERMISTOR X111 0 DU ROOM TEMP BN TH2 X101 THERMISTOR 7 3 PIPE TEMP Em u X115 X104 INTERNAL b5 s So O BE ett D AN MOTOR E EXCHANGER X118 X105 FAN MOTOR Kala i MIN LOUVER MOTOR MOTOR INDOOR UT DOOR UNIT UNIT e Outdoor unit LIRCU TAGRAM 81902487 COMPRESSOR MOTOR YE GN SNC RD WH Ti RUNNING LAS 2 CAPACITOR MOTOR PROTECTOR s m d INTERNAL OR OUTER 1L D 1 B m GE aU oak LN FAN CAPACITOR2. 3 CIRCULI AGRAM 81902475 COMPRESSOR MOTOR TERMINAL 30X E 2 NG RD Im YE GN WE on RUNNING o E CAPACITOR MOTOR PROTECTO m y Leu INTERNAL OR OUTER THEE EE DU 2LIE St LB at PACITO BU BU LAN VA S VALVE COIL INTERFACE ar CAN MOTOR D INDOOR UNIT OUTDOOR UNIT 5 Bce KaTaIOrH H HHCTDYKIMH 31ecb http splitoff ru tehn doc html Technical Service Manual CHAPTER 4 REMOTOE CONTROLLER 1 Remote controller Part NO 81401828 63 The remote controller transmits signals to the system 1 ON OFF BUTTON e The appliance will be started when it is energized or will be stopped when it is in operation if you press this button 2 MODE BUTTON o Press this button to select the operation mode 3 FAN SPEED BUTTON Used to select the indoor fan motor speed Automatic fan speed High fan speed Medium fan speed 6 Bce KaTaIOrH H HHCTDYKIIMH 31ecb http splitoff ru tehn doc html Technical Service Manual Low fan speed 4 5 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature Usedto set time in TIMER and CLOCK mode 6 SMART BUTTON
3. Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html 1 CHAPTER 11 service AIR PURGING INSTALLATION Required tools hexagonal wrench adjustable wrench torque wrenches wrench to hold the joints and gas leak detector The additional gas for air purging has been charged in the outdoor unit However if the flare connections have not been done correctly and gas leaks a gas cylinder and the charge set will be needed The air in the indoor unit and in the piping must be purged If air remains in the refrigerant pipes it will affect the compressor reduce the cooling and heating capacity and could lead to a malfunction Liquid side Indoor unit Be sure to use a torque wrench to tighten the service port cap after using the service port so that it prevents the gas leakage from the refrigeration cycle Caution Do not leak the gas in the air during air purging Air purging procedure 28 Bce Kara 1oru n HHCTDYKUMH 31ecb http splitoff ru tehn doc html Recheck the piping connections Open the valve spindle of the 2 way valve counter clockwise proximately 90 wait 10 seconds and then set it to closed position Be sure to use a hexagonal wrench to operate the spindle Check the flare connections for refrigerant gas leakage Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve
4. n LY ww Outdoor unit Liquid side piping Smaller Dia oli Gas side NL Bigger Dia Torque wrench 22 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Gas Side 10 or 3 8 inch 3 5 kg m Gas Side 12 or 1 2 inch 5 5 kg m Gas Side 16 or 5 8 inch 7 5 kg m Gas Side 19 or 3 4 inch 10 0 kg m e Connecting the cable to the outdoor unit as shown in OPERATING AND INSTALLATION INSTRUCTIONS MANUAL 5 CHECKING THE DRAINAGE AND CONNECTING THE CABLE TO INDOOR UNIT e Checking the drainage Pour glass of water on the evaporator Ensure if water flows from drainage hose of indoor unit e Form the piping Wrap the connecting portion of indoor unit with the insulation material and secure it with two plastic bands for the right piping f you may connect an additional drainage hose the end of the drainage outlet should keep distance from the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind e In case of the outdoor unit is installed below position of the indoor unit Tape the piping drainage hose and connecting cable from down to up Form the piping gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 23 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Seal a small opening around the pipings with N gum type sealer Trap is required to prevent the electri
5. FAN temperature At the start the appliance operates at high fan speed As the room temperature gets closer to the set temperature the fan switches to a lower speed AJ lt for quieter operation FAN SPEED 1 The appliance can set at different indoor fan motor speed by pressing the FAN HIGH SPEED button on the remote controller MEDIUM 2 When this symbol is being displayed on the LCD of the remote controller the LOW signal is transmitting from the remote controller to the air conditioner TEMP SET UP DOWN Press DOWN button once the set temperature is decreased by 1 Press UP button once the set temperature is increased by 1 Automatically switches the appliance ON at preset time intervals ensuring a TIMER comfortable environment before you return home or switches OFF the appliance automatically when you sleep without wasting electricity When the power supply restores after its failure the machine will start to work Auto restart automatically with the previous setting parameters Strong cooling when you just come into your room and want to cool the room as SUPER soon as possible Bce KaTaJIOru n HHCTDYKUMH 31ecb http splitoff ru tehn doc html pan e N Technical Service Manual CHAPTER 2 OPERATING RANGE TEMPERATURE RANGE FOR T1 CLIMATE AIR CONDITIONER The preset temperature of the appliance ranges from 18 t0 32 The ambient temperature of the cooling only air conditioner ranges
6. LOW Indoor pi pe t enper at ure ri ses Indoor p pe tenperature falls e The operation procedure of HEATING is as following Intake ar t Set temp Set temp 1c Set tenp 26 Set tenp 36 Intake ar t ndoor fan f I ndoor fan nat or speed H gh Mdi um LOW notor speed Low Midi um H gh Indoor pi pe t enper at ure ri ses Indoor p pe tenperature falls 9 INDOOR FAN SPEED CONTROL e Auto Fan Speed control When set to Auto Fan Speed the indoor fan motor speed is controlled by the difference between the intake air temperature and the preset temperature The more the difference the higher the indoor fan motor speed Auto Fan Speed is only available for COOLING and HEATING modes e Manual fan speed control 13 Bce KaTaIOrH H uncrpykuHn 31ecb http splitoff ru tehn doc html Technical Service Manual Basic fan motor speed adjustment 3 setting LOW MEDIUM and HIGH can be conducted by using the Fan Speed Selection button on the remote controller e The indoor fan speed in different modes is shown as MN coma Mans ox ox ok wa Automatic N A Automatic OK OK OK NA ColdAirPreventive OK ok OK OK D NA NA OK NA FANONY OK OK OK NA 10 EMERGENT START e f you lose the remote controller or it is out of work you can also operate the appliance by pressing the EMERGENT BUTTON on the indoor unit for an emergent
7. NADOr on off Low bet deg indoor fani set need LOW off motor motor Indoor pipe temp rises Indoor pipe temp falls 7 SMART MODE OPERATION e When SMART air conditioning is selected the operation mode and preset temperature are set automatically according to the room temperature at starting operation e The operation procedure of heat pump is as following Intake air temperature Over 26 21 26 Below 21 at operation start Preset temperature Intake air temperature at ee start Operation mode COOLING HEATING The initial mode will be continued and EE RN upon the room temperature changing e f initial mode is selected that mode is continued independent upon the temperature changing e The indoor fan motor speed is automatically determined by Auto Fan Speed If you are not satisfied with the auto fan speed you can adjust the fan speed by pressing the FAN BUTTON 8 AUTO FAN SPEED e When the Auto Fan Speed is selected in COOLING or HEATING operation the indoor fan motor speed is automatically controlled by the intake air temperature and the preset temperature 12 Bce Kara or n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual e The operation procedure of COOLING is as following Intake ar t Set tenp 36 Set tenp 26 St tenp HIE Set temp Intake ar tenp low Madi um H gh an nator speed 9 nator speed H gh Vedi um
8. RD DEFROST V Lr BU MU VALVE COIL si THS S FAN MOTOR d INTERNAL PROTECTOR INDOOR UNIT OUTDOOR UNI 4 Bce KaTaIOrH H HHCTDYKIMH 31ecb http splitoff ru tehn doc html Technical Service Manual 2 AS12HR4SWHVA e Indoor unit ARC R Qno CONTROL UNIT POWER UNA CIRCUIT DIAGRAM 81902710 X20 X103 NG X108 3L 3L gt X110 ui 2 pa n DISPLAY UNIT ool es a SN X30 X123 do cu BU Y NOO E G F CN SWITCH UNIT e e ge K104 TH X112 _ YE CN THERMISTOR 5 X1110 BU ROOM TEMP gt BN TH2 X101 THERMISTOR 5 3 PIPE TEMP EM a i I RNAL a x Mog X104 V np ae D Am OV D 5 i PROTECTOR eal MOTOR EXCHANGER 115 X105 FAN MOTOR ju x MIN LOUVER MOTOR 5 MOTOR INDOOR UTDDDR UNI UNIT e Outdoor unit
9. core pin discharge for three seconds and then wait for one minute Hepeat this three times Use torque wrench to tighten the service port cap to a torque of 1 8kg cm Set the 3 way valve to the back seat Mount the valve caps to the 2 way and 3 way valves Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s caps and from the service port cap Caution If gas leakage is discovered take the following measures If the gas leakage stops when the piping connections are tightened further continue working If the gas leakage does not stop when the piping connections are tightened repair the location of the leakage discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder 20 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html 2 PUMPING DOWN BEFORE RE INSTALLATION CLOSE OPEN An hannio LOW nanae der CLOSE High handle Purge the air e Confirm that both the 2 way and 3 way valves are set to the open position Remove the valve caps and confirm that the valve spindles are in the open position Be sure to use a hexagonal wrench to operate the valve spindle Operate the unit for 10 15 minutes e Stop operation and wait for 3 minutes then connect the charge set to the service port of the3 way valve Connect the charge hose with the push pin to the service port e
10. from 18 to43 The ambient temperature of the heat pump ranges from 7 t043 The rated cooling operation test condition is as following Indoor DB WB temperature 27 19 outdoor DB WB temperature 35 24 The rated heating operation test condition is as following indoor DB WB temperature 20 Max 15 outdoor DB WB temperature 7 6 REFRIGERANT PIPING The maximum length of the connecting refrigerant piping between indoor unit and outdoor unit is 15m and the maximum elevation difference between indoor and outdoor units are 5m If the refrigerant piping is longer than 5m additional refrigerant charge 20g m for gas pipe is advisable Indoor unit H pe length is g 15 neters Mx oO F Indoor unit BE S Qut door unit 5 c 55 SE Bo e e Do Curl ed tube for returni ng water 2 Bce Kara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual Outside diameter of the refrigerant piping is as following OD of liquid pipe OD of gas pipe Small pipe Large pipe Models D6mm or 1 4 inch 10mm or 3 8 inch D6mm or 1 4 inch amp 12mm or 1 2 inch 3 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual CHAPTER 3 WIRING DIAGRAMS 1 AS O9HR4SWHVA e Indoor unit
11. start e The operation mode is SMART if an emergent start is presented when the appliance is connected to the power at first time If the appliance is in stand by the operation mode will restore the last time setting when you press the EMERGENT BUTTON 11 AUTORESTART FUNCTION When the unit is connected to power pressing the EMERGENT BOTTON for over 1 5 seconds if the unit without auto restart function it will be of the function of auto restart after the buzzer 2 beeps if the unit with auto restart function it will discharge the auto restart function after the buzzer 1 beeps 12 DEFROST e The defrost timer integrating the operation time of compressor counts time by microprocessor during HEATING operation e 50 minutes later after starting HEATING operation or after defrost 14 Bce Kara i1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual when the outdoor pipe temperature falls to 8 the defrosting is started When the outdoor pipe temperature exceeds 8 or the defrosting time reaches 10 minutes the defrosting is ended During the defrosting operation the red LED indicator on the indoor unit of the appliance flickers In the defrost operation firstly the compressor and the outdoor fan motor are turned OFF 59 seconds later the reversing valve is turned OFF 60 seconds later the compressor is turned ON The maximum defrost time is 10 minutes In the end of defrosting the compr
12. the piping to the indoor unit Align the center of the piping and sufficiently tighten flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Wrench tightening the flare nut torque wrench ensure the direction for tightening follows the arrows on the wrench Liquid Side 66 or 1 4 inch 1 8 kg m Liquid Side p10 or 3 8 inch 3 5 kg m Liquid Side o12 or 1 2 inch Gas Side 10 or 3 8 inch Gas Side 12 or 1 2 inch Gas Side 16 or 5 8 inch 20 Bce Kara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Gas Side 19 or 3 4 inch 10 0 kg m Connecting cable Drain hose Press the lower left and right side of the unit against the installation Plate until the hooks engages with their slots sound click e Wrap the insulation material around the connecting portion riasuc banas INSUIATION rriaterial p Ma C NE ES Wrap the insulation material around the con necting portion 21 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html 4 CONNECTING PIPINGS AND THE CABLE TO OUTDOOR UNIT e Connecting the piping to outdoor unit Align the center of the piping and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrows on the wrench NUUS AI NAN J
13. 21022 821094 8121021 filter Up fancy panel Front cover Down fancy panel Display panel filter Display PCB cover Display PCB filter Safty cover Emergency switch pcb Emergency switch Pipe assembly Moter fixing ring B Clamp fixing panel Control PCB Power PCB Electric box Horizontal louver Vertical Deflector Fixing link Indoor fan moter Pipe Clamp B Draining house Pipe Clamp A OUTDOOR UNIT PARTS LIST OF AS12HR4SWHVA Bce Kara 1oru n uHcrpykuun 31ecb http splitoff ru tehn doc html 8 oan S 810069 8 pack Lati Plate 810080 8 Capacitor Fig Ping 81208 bomtmaag MOJIMOTEKa TEXHHYECKOH AOKYMEHTALHH http splitoff ru tehn doc html KATAJI0TH UHHCTPYKUHH CEPBHCHBIE MAHYAJIBI CXEMBI
14. Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose O Set the 2 way valve to the closed position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g 30 Bce Kara 1oru n uHcrpykuun 31ecb http splitoff ru tehn doc html Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 3 to 5kg cm g Disconnect the charge set and amount the 2 way and 3 way valve s caps and the service port cap Use torque wrench to tighten the service port cap to a torque of 1 8 kg m Be sure to check for gas leakage 3 RE AIR PURGING FOR RE INSTALLATION Confirm that both the 2 way valve and the 3 way valve are set to the closed position Connect the charge set and a gas cylinder to the service port of the 3 way valve Leave the valve on the gas cylinder closed Air purging Open the valves on the gas 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 on the 2 way valve 3 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html PEN Liquid side Outdoor unit 3 Way valve Manifold pi MAS rss PE YW WA N n EF handle Li High handle j e Check the
15. G operation If 3 minutes elapses after starting the appliance will sense the intake air temperature and minus 1 5 as the setting temperature e During DRY operation the compressor ON when temperature is the setting temperature plus 1 The compressor OFF when temperature is the setting temperature minus 1 Ihe setting temperature can only be adjusted by 2 up and down e When the appliance operates at DRY mode the indoor motor speed is LOW 5 HEATING MODE OPERATION ONLY AVAILABLE FOR HEAT PUMP e Ihe appliance will operate at the setting by the remote controller and the operation diagram is shown as following are BEN SET TEMP 4 5 3 nins GMP OF A B SET TEMP 2 GMP QN 30 se lt RIM TEMP Indoor fan nator speed LL k Eum U do Conpr essor CN OF CN GF Qut door fan nat or CN OF CN OF The indoor fan nator is controlled by Qld Ar Freventi ve System e The indoor fan motor is controlled by Cold Air Preventive System 6 COLD AIR PREVENTIVE SYSTEM ONLY AVAILABLE FOR HEAT PUMP This system is intended to prevent cold air from being discharged during HEATING operation e The indoor fan motor speed will be controlled as following 11 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Indoor NG se Sek DIDE Temp Temp o lb cU D CoL sul
16. L AMOUNT OF REFRIGERANT LEAKED e Connect the vacuum pump to the charge set s center hose e Evacuating for approximately one hour Confirm that the gauge needle has moved toward 76cmHg vacuum of 4 mmHg or less Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not 33 Bce Kara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html move approximately 5 minutes after turning off the vacuum pump e Disconnect the charge hose from the vacuum pump fthe vacuum pump oil becomes dirty or depleted replenish as needed Indoor unit Liquid side a Xp IS E ma ee pesa e Ss sx Manifold OPEN Ce handle CLOSE C5 C IU High handle me Le 6 GAS CHARGING AFTER EVACUATION e 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 f you are using a gas cylinder also use a scale and level the cylinder so that the system can be charged with liquid e Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigerant The procedure is the same if using a gas cylinder 34 Bce Kara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Open the valve Low side on the charge set and charge the system with
17. NELON TECHNICAL SERVICE MANUAL SPLIT TYPE ROOM AIR CONDITIONER VA PANEL R410A INTERNATIONAL MARKETING DEPT Zu DONG KELON ELECTRICAL HOLDINGS CO LTD P AODONG ROAD RONGGUI SHUNDE GUANGDONG PRC h 7 28361733 OS 728361060 bomtmaag MOJIMOTEKa TEXHHYECKOH AOKYMEHTALHH http splitoff ru tehn doc html f KaTaJIOr WHHCTDyKUHHH CEPBHCHBIE MaHyaJIbI CXEMBI PRODUCTS R410A split type room air conditioner Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual CHAPTER1 FEATURES MODE DESCRIPTION COOLING Cools dehumidifies and filters the room air Maintains desired room temperature HEATING IHeats and filters the room air Maintains desired room temperature Operates the appliance at COOLING HEATING or DRY mode maintaining desired temperature dependent upon the room temperature SMART Dehumidifies and softly cools the room air This mode is advisable to be used when the room temperature is rather cool but the humidity is rather high FAN ONLY Re circulates and filters the room air Maintains constant air movement in the room The SLEEP mode will be canceled after being set for 8 hours The set temperature SLEEP will be increased 0 5 per hour during the first two hours in COOLING or DRY and decreased 1 per hour in the first three hours in HEATING The appliance automatically selects the indoor fan speed in accordance to the room AUTO
18. c html lle d Pa a sif e pamage jeness When properly flared the internal surface flare will evenly shine and be cr even thickness Since the flare part comes into contact with the connectors carefully check the flare fin Ish 2 Remove burrs Remove burrs from cut edges of pipes Turn the pipe end down to avoid the metal powder entering the pipe Caution If the burrs are not removed they may cause a gas leakage 3 Flaring the pipes Insert the flare nuts mounted on the connection ports of both indoor and outdoor units onto the copper pipes Some refrigerant gas may leak when the flare nuts are removed from the indoor unit as some gas Is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the bar of flare tool about 0 0 5mm higher Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages e Indoor unit installation Hook the indoor unit onto the upper portion of installation 19 Bce KaTaIOrH H KHCTpyKUHH 31ecb http splitoff ru tehn doc html plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Connecting cable Drain hose Press the lower left and right side of the unit against the installation Plate until the hooks engages with their slots sound click e Connecti ng
19. cal parts from entering the water e n case of the outdoor unit is installed upper position of the Seal a small opening around the pipings with gum type sealer HALIN AS AS indoor unit Tape the piping and connecting cable from down to up Form the piping gathered by taping along the exterior wall and the trap is required to prevent water from entering into the room Fix the piping onto the wall by saddle or equivalent e Connecting the cable to the indoor unit as shown in the 24 Bce Kara or n uucrpykuun 31ecb http splitoff ru tehn doc html OPERATING AND INSTALLATION INSTRUCTIONS MANUAL 6 AIR PURING OF THE PIPINGS AND INDOOR UNIT e Air purging preparation Remove the caps from the 2 way and 3 way valves Remove the service port cap from the 3 way valve To open the valve turn the valve spindle of 2 way valve counter clockwise approximate 90 and hold it there for 5 seconds then close it Caution Do not leak the gas in the air during air purging Cover Terminal block lt control pillar terminal EE To indoor unit lt Liquid side 2 way valve Open 3 way valve Close K Hexagonal wrench Service port cap leakage checking Check a gas leakage of the connection portion of the piping f there is no leakage found open 2 way again turn the valve spindle counter clockwise until it stops If there is leakage found re tighten the co
20. e Used to enter fuzzy logic operation directly regardless of the unit is on or off 7 SWING BUTTON Used to stop or start vertical adjustment louver swinging and set the desired up down airflow direction 8 SLEEP BUTTON e Used to set or cancel Sleep Mode operation 9 LOCK BUTTON e When you press this button all the buttons on are not available 10 CLOCK BUTTON e Used to set the current time 11 12 TIMER ON OFF BUTTON Used to set or cancel the timer operation The indication symbols on LCD 3x Cooling indicator 222 Auto fan speed 6th indicator Z Signal transmit A Dry indicator gt gt gt High fan speed D Sleep indicator ON nn BH Display set timer NG Fan only indicator gt Medium fan speed C FEEL indicator ae Display clock it Heating indicator gt Low fan speed JET indicator B H Display set temperature Note Each mode and relevant function will be further specified in following pages 7 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual CHAPTER 5 REFRIGERATION CYCLE 1 Heat pump Zn vy NE H ow of refri gerant 8 Bce KaTaIOrH H HHCTDYKIMH 31ecb http splitoff ru tehn doc html Technical Service Manual CHAPTER 6 OPERATION DETAILS 1 SAFETY CONTROL 3 minutes delay for compressor The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle in
21. e maximum preset time of SLEEP mode is 8 hours default time When selecting the COOLING or DRY operation with SLEEP mode the operation diagram is as following The setting temperature will be raised by 0 5 per hour in the first two hours after the starting The operation will stop after 8 hours Mix 8 hours SEP START JHP STO e When selecting HEATING operation with SLEEP mode the setting temperature will be decreased by 3 during successive 3 hours later The operation will stop in 8 hours Ihe operation diagram is as following d eep start S eep stop 17 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html CHAPTER 7 Installation Notice There is detailed information about installation in the OPERATING AND INSTALLATION INSTRUCTIONS MANUAL The same information is not repeated in this TECHNICIAN SERVICE MANUAL 1 SELECT THE BEST LOCATION o qn qn qn qn Le Le Le Le Le 2 Indoor unit There should not be any heat source or steam near the unit There should not be any obstacles to prevent the air circulation A place where air circulated in the room will be good A place being drained can be easily obtained A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces from the wall ceiling fence or other obstacles Outdoor unit If an awning is built over the uni
22. e yellow LED indicator on the indoor unit lights up The TIMER mode can be cancelled by pressing the TIMER button again on the remote controller 13 2 Remote controller 2 Part NO 81401828 63 Any time of a day can be set as the time to ON or OFF TIMER ON button can be used to set the timer programming as wished in order to switch on the appliance at your desired time TIMER OFF button can be used to set the timer programming as wished in order to switch off the appliance at your desired time Press the amp 42 button once to increase the time setting by 1 minute Press the SA button one and half seconds to increase the time setting by 10 minute Press the amp 42 button for a longer time to increase the time by 1 hour Press the lt gt button once to decrease the time setting by 1 minute Press the lt gt button one and half seconds to decrease the time setting by 10 minute Press the CY button for a longer time to decrease the time by 1 hour Press the TIMER ON button again to cancel the TIMER ON Press the TIMER OFF button again to cancel the TIMER OFF 14 SLEEP MODE OPERATION e The SLEEP mode can only be set during COOLING DRY SMART or HEATING operation 16 Bce Kara or n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual An energy conservation operation will be achieved if selecting SLEEP mode combined with OFF TIMER The operation will be turned OFF after the preset time Th
23. essor is turned OFF 59 seconds later the reversing valve is turned ON 60 seconds later the compressor and outdoor fan motor are turned ON and starting HEATING operation During the defrost operation the indoor fan motor is controlled by Cold Air Preventive System The HEATING and defrosting operation is alternated as following Sw t ch ON Def rost i ng Max 10 mns e The defrosting procedure is shown as following N N ULGOor fan motor N N Reverse valve N N N Compri or ors d qu c 15 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual 13 TIMER MODE OPERATION 13 1 Remote controller 1 Part NO 1401394 63 e The setting time ranges from 0 5 hour to 24 hours e OFF TIMER can be set when the appliance is in operation and it will be switched OFF when the preset time is achieved ON TIMER can be set when the appliance is in suspension and it will be switched ON when the preset time is achieved Pressing TIMER button once the last setting time display on the LCD of remote controller You can adjust the setting time by pressing the TEMPERATURE SETTING BUTTON Pressing the TIMER button again the timer mode is selected and th
24. flare connections for gas leakage e Disconnect the charge set and the gas 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 spindles e Mount the valve caps and the service port cap Use torque wrench to tighten the service port cap to a torque of 1 8kg m Be sure to check for gas leakage e Caution Do not leak the gas in the air during air purging 4 BALANCE REFRIGERANT OF THE 2 WAY 3 WAY VALVES GAS LEAKED e Confirm that both the 2 way and 3 way valves are set to the back seat e Connect the charge set to the 3 way valve s service port Leave the valve on the charge set closed 32 Bce KaTaJIOru n HHCTDYKUMH 31ecb http splitoff ru tehn doc html Connect the charge hose with the push pin to the service port Indoor CE Liquid side cs unit 2 ave I c valve WI open 2 WA UA G CLOSE 9 High handle I e Open the valve Low side on the charge set and discharged the refrigerant until the gauge indicates Okg cm g f there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 ko cm g discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm g If this is the case it will not be necessary to apply an evacuation Discharge the refrigerant gradually If it is discharged too suddenly the refrigeration oil will also be discharged 5 EVACUATION AL
25. liquid refrigerant If the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle However one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner before disconnecting the hose Mount the valve caps and service port cap Use torque wrench to tighten the service port cap to a torque of 1 8kg m 35 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Be sure to check for gas leakage Indoor unit Liquid side gt unit AE Manifold Gauge CLOSE High handle 36 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html CHARPTER 07 EXPLODED DRAWINGS Exploded view of indoor unit for model AS 09HRASWHVA AS12HRASWHVA 4 CH CEN TH FE Bce KaTaIOrH H HHCTDYKIMH 31ecb http splitoff ru tehn doc html 2 Exploded
26. nnecting portion with wrench If the leakage persists locate a leakage and repair it until leakage ceases 29 Bce Kara 1oru n uHcrpykuun 31ecb http splitoff ru tehn doc html No leakage found Leakage found Open 2 way valve again turn the valve Re tighten the connecting portion with wrench spindle counter clockwise until it stops Locate a repair leak Purge the air push the pin on the service port of the 3 way valve for three seconds with a hexagonal wrench wait for one minute Repeat the operation for three times Air purging To purge the air push the pin on the service port of 3 way valve for three seconds with a hexagonal wrench wait for one minute Repeat the operation three times Set the both 2 way and 3 way valves to open position with the hexagonal wrench for the unit operation e Checking a gas leakage for the left piping connect the manifold gauge to the service port of 3 way valve Measure the pressure Keep it for 5 10 minutes Ensure if the pressure indicated on the gauge is as same as that of measured at the first time e Follow the result of right side piping 26 Bce Kara or n uucrpykuun 31ecb http splitoff ru tehn doc html e Ihe additional gas for air purging has been charged in the outdoor unit However if the flare connections have not been done correctly and gas leaks a gas cylinder and the charge set will be needed Outdoor unit LT VIA WA PEN lj aa PA
27. on is to swing the louver up and down automatically and to set it at a desired position e The procedure is as following 9 Bce Kara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html L Le L Technical Service Manual Press the ON OFF button to operate the appliance The louver will swing automatically to the default position Press the SWING button to swing the louver up and down automatically Repress the SWING button to stop the louver at a desired position A step motor controls the louver The different default position of different modes is as following The louver can swing from 0 to 98 The louver closes at O 3 COOLING MODE OPERATION When the COOLING mode operation is selected without setting temperature the appliance will set the preset temperature at 26 automatically with the AUTO FAN speed When selecting the COOLING mode operation the appliance will operate according to the setting by the remote controller and the operation diagram is as following RUM TEMP SET TEMP 16 GAP ON SET TEMP 1C CAP Mre t han Mre t han lt 3mins lt s3nns gt Indoor fan nat or set set set speed speed sea speed SC speed Conpr essor ON OF CN OF CN Qut door fan not or CN GF CN OF CN 10 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn doc html Technical Service Manual DRY MODE OPERATION gt e The appliance starts as COOLIN
28. order to protect the compressor e 59 seconds delay for reversing valve The 4 way reversing valve delay for 59 seconds to prevent the refrigerant abnormal noise when the HEATING operation is OFF or switched to other operation modes e Over current control The compressor will be switched OFF when it is over current for 5 seconds and when the current is normal and the compressor has been stopped for 3 minutes the compressor will be turned ON o Freeze preventive control When the indoor pipe temperature falls below 1 during COOLING or DRY operation for 3 minutes the compressor and outdoor fan motor turn OFF with buzzer 3 beeps When the indoor pipe temperature recovers to 5 and the compressor has been stopped for 3 minutes the compressor and outdoor fan motor will be turned ON Overheating protection system When overloading occurs during the heating operation this system controls the outdoor fan motor and compressor according to the indoor pipe temperature to prevent the overloading of the compressor and restrain the rise in high pressure When the indoor pipe temperature exceeds 53 the outdoor fan motor will be turned OFF and when the indoor pipe temperature falls below 49 the outdoor fan motor recovers to ON When the indoor pipe temperature exceeds 63 the appliance will be turned OFF with 4 beeps of buzzer error code E2 display and cannot recover automatically 2 AIR FLOW DIRECTION CONTROL e This functi
29. t to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plants which could be affected by air discharged Ensure the spaces from the wall ceiling fence or other obstacles A place where noise does not annoy your neighbors DRILL THE PIPING HOLE WITH 70mm DIAMETER HOLE CORE DRILL Line according to the arrows marked on the lower left and right side of the installation plate Bce Kara 1oru n uHcrpykuun 31ecb http splitoff ru tehn doc html e The meeting point of the extended line is the center of the hole e Dril the piping hole at either the right or the left and the hole should be slightly slant to the outdoor side Left rear piping Right rear piping 3 PIPING AND DRAINAGE OF INDOOR UNIT e Preparation of piping 1 Cut the pipes and the cable Use the accessory piping kit or the pipes purchased locally Measure the distance between the indoor and the outdoor units Cut the pipes a little longer than measured distance Cut the cable a 1 5m longer than the pipe length Sy cutter ub GEB Rough Bce kKara 1oru n HHCTDYKUMH 3Jtecb http splitoff ru tehn doc html A 9 12 7mm 2 0 5mm 9 52mm 6 35mm 2 8 50 7mm 4 1 0mm Handle SL handle Red arrow mark I Pipe CA Reamer Point down 18 Bce kKara 1oru n uucrpykuun 31ecb http splitoff ru tehn do
30. view of outdoor unit for model AS 09HRASWHVA AS12HRASWHVA ING C CSCSLS C Bce KaTaIOrH H MHCTpykumm 31ecb http splitoff ru tehn doc html INDOOR UNIT PARTS LIST OF AS 09HRASWHVA x 6 Bearing 12028 8 Evaporator Assembly 81301878 9 Panelmoter 81402121 Filter Rack N A fiter 25 Sa y cover Bce Kara 1oru n HHCTDYKUMH 3Jtecb http splitoff ru tehn doc html Te ont 810069 8 Back Latice Pite 810003 9 Capacitor Fixing Ring 812031 22 Terminal Cover VA Bce Kara 1oru n HHCTDYKUMH 31ecb http splitoff ru tehn doc html 10 15 16 17 18 19 0 1 5 6 8 9 0 1 Co 5 6 8 9 0 Bioj clolcol c c colcolo col lrn ml rnm nmlirn nm nmi nmlirn rn Sall EEN T ola E N INSTORE A Bio m Draining pan ndoor Fan Bearing Moter fixing ring A Evaporator Assembly Panel moter Connecting Rod Splint Pin Axis Driving Lever Cabinet Filter Rack N A 81105104 8180255 810061263 8180256 810061610 81105103 82102213 181409757 81105105 182102212 181409758 8141052 1813037 109 8120342 8210952 81409759 81409760 82102211 81201128 81201129 8120444 181402122 81
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