NORDIC INVERTER SERIES
Contents
1. Part Code Description Qty ASH 12AIN PT 6 FanBearng o o Waermay oea 79 The above data is subject to change without prior notice Components and Parts List of Outdoor Unit 2 ASH 09AIN PT and ASH 12AIN PT 58 40 39 CN RO IoD 101 5 ND NOOO deu ce 8 527279 NI NI NINIS o Wy VD ek Hf f Vas S2 lt 0 6262 e E m No Description Qty ASH 12AIN PT 4 Reactor Box 6 Drainage Connecter 0612340 0612240 1 8 Qverload Protector 0 2 0018303 1 9 Compressor 00120228 0012028 1 Component sensor 50K 11 44 Grill 99413431 22413431 Failure and analysis Analysis in this section is used for Linge Wind D C Inverter Series Before analysis you can diagnose according to the indicator display on outdoor unit The breaker trips at once when it Measure insulation resistance to ground to see is set to ON if there is any leakage Trip of breaker or blow of2. 60006 22 58 ed 20 19 15 Md Part Code 74 o 10882000 O 1 1 5 BingoBeaing ____ 7681208 O O 6 FanBearing ____ 77 DrainagePipe _____________ 8 jWaermay 20720 11 9 Swingtower 410512080 o The above data is subject to change without prior notice WEE Exploded View of Components and Parts of Indoor Unit ASH 12AIN PT 000000000000 20
3. The above data is subject to change without prior notice ASH TZAN 220 240V 50Hz Total Capacity WI Air Flow Volume mP Dehumidifying Volume 11 EER C O P WW 2 67 3 21 3 01 3 61 Energy Class Model of Indoor Unit ASH 12AIN PT Fan Motor Speed r min 1250 1 100 1050 H ML _ o NM Output of Fan Motor w Indoor Coil length I x height H x 681x324 3x38 1 Swing Motor Model MP28EA Output of Swing Motor W Fuse A Controller3 15 transformer0 2 Sound Pressure Level dB 42 39 38 2 Sound Power Level dB 52 49 48 H ML Dimension W H D mm 830 285 189 Dimension of Package 906x385x265 Net Weight Gross Weight 11 4 kg lt O gt 2 ASH T2AIN MITSUBISHI Compressor Mod KNEOSZFHBVC Double rotor O 3 o o O S z 5 0 d c 5S D X 0 D S O oy I 3 O D r CO CO 392 int 1 3979 Capillary trotting Transducer starting 2 10 543 Aluminum fin copper tube Coil length 1 x height H x coil width L an Motor Speed rpm Outdoor Output of Fan Motor W u 608 498 22 880 20 ETT CO a Pial fari 400 defrost Moisture Protection IP24 Permissible Excessive Operating P
4. SERVICE MANUAL b NORDIC INVERTER SERIES ASH 09AIN ASH 12AIN PT SULCLAIR AIR CONDITIONING 6 Summary and features 1S1 ANA Model Remark ASH 09AIN PT ASH 12AIN PT 220 240V 50Hz R410A 2 Specifications and Technical Parameters Md ooo ASFAN O EwmyQass O Model of Indoor Unit Indoor Unit 2520 PT Fan Motor 222 r min 1160 1010 890 H ML Pp Danae Indoor Coil length J x nois H x 580X228 6X25 4 unit width L NM owing bios Model 6 4 owing Motor W 3 15A 0 2 Level dB 42 39 36 A Power Level dB A 49 45 42 H MLL Dimension W H D mm 770 190 250 Dimension of Fa 855 272 330 LAWIH Net WERT Goss Weight 85 125 kg Permissible Excessive Operating Pressure for the Discharge Side MPa Permissible Excessive Operating Pressure for the Suction Side MPa ound Pressure Level dB A H ML ound Power Level dB A H ML Dimension W H D mm 848X260X540 2 C1 CO 2 Dimension of Package L W H mm 878 360 590 Net Weight Gross Weight kg 35 40 Refrigerant Charge kg R410A 0 78 Gas additional charge g m 895 po Moisture Protection 806060 8788860590 AOS Outer 5601707 5 D
5. IN Wrench 5 Electrical Diagram ASH 12AIN FAN DISPLAY MOTOR Power 220 230 240V 50 60Hz PE ROOM TUBE Ye BN TEM SENSOR TEM SENSOR L EM SENSOR SENSOR SENSOR 4YEGN 1 m ra l BUJE 2222 mim EGN J 21 24 24 RT2 XT AR lt A A lt H 1 BE c y A AUS Ne 2BK BK lt POSTALE 0 X13000 X9MK1 X12 2 PR SST 2 w FAN 3BN 2 3 BN lt 9 YE GN X i9 ONT A iN 2 xw L 4YE GN U lt K2 OF YEGN vaporator PE OFAN COFAN REOrAN BRW 4V AC L2 AC L3N2 3 X3 X1 X2 Y Y Y Y V y Y x x Y K BK RD BN MO gt Bem 13 nu 1 FAN MOTOR HEATER HEATER 2 2 CHASSIS LJ TRANSFORMER STEP MOT
6. after 30s the indoor fan motor and swing fan motor will run at original run conditions under the cool mode Indoor fan motor will run at low speed and indoor fan motor will run at oroginal conditions under the dehumidify mode When ant ifreezing protection is eliminated and the compressor has stopped for 3 minutes the whole unit will run in the oroginal mode During antifreeze protection Compressor 308 i 23 min Outdoor fan Indoor fan Run Stop Overcurrent protection If total current is high the compressor wil run in limited frequency If total current is over the stop running current then the compressor will stop the outdoor will delay 30 seconds to stop 6 1 2 2 DRY Modes 6 1 2 2 1 The conditions and process of DRY When Tamb gt Tpreset unit will run under DRY mode in which case the compressor indoor and outdoor fan will be started and the indoor fan will run at low speed When Tpreset 2 lt T amb lt Tpreset the unit will run with original setting When Tamb lt Tprese 2 C the compressor will be stopped and outdoor fan will be stopped after 30 seconds the indoor fan will run at low speed gt Under this mode the switchover valve will not be powered on and the setting temperature range is16 30 gt The air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature T preset O
7. every start of compressor there should be 3 minutes delay 1 3 Outdoor unit malfunction display Rea verw Green Compressor opened Derosa Anti freezing protection Blink three IPM protection Bink 4 times Over current Blink5 times ros pink times Air exhaust unit stop Blink7 times Compressor overload Blink8 times Limit requency currency Blink once Pene ede prequency limit pet declined Blink 4 times 4 timed mes en Blink 6 times 15 ulddorSirexhaust Blink 7 time fri i 46 MSO Ak imes 17 u on Communication is norm Normal e Disassembly procedures Operation procedures pictures 1 Disassembling the front panel and filters Unloose the clasps on both sides and lift the panel upward Unplug the two connecting terminals of the display and slide out the rear clasp from the groove to take off the front panel Push the filter upward loosen the clasps then you can pull out the filters 2 Disassemble Guide Louver Manually bend the guide louver to loose the clasp at the guide louver Remove the guide louver 3 Disassemble Front Case Open the three screw covers at the front case unscrew the three screws pull open the clasp at the front case and remove the front case EBENE Disassembly procedures for indoor unit of unit Panel Filter Screws Connecting
8. the 5 screws fixing the panel and dextro rotate the front panel to pull it out from groove 5 Disassemble Right Side Plate Unscrew the 2 screws fixing electric box and then unscrew the 5 screws fixing the right side plate to remove Screws Right Side Plate Screws 6 Disassemble Electric Box Unscrew the screws fixing the electric box and then pull out the inset block of lead out wire of compressor and fan motor to take out the electric box Screw Electric Box Operating Procedures Photos 7 Disassemble Axial Flow Fan Loosen the fastening nut fixing the axial flow fan with Axial Flow Fan a spanner and then take out the nut spring gasket and flap gasket in turn Nut 8 Disassemble Motor and Motor Support Unscrew the 4 screws fixing the motor to take out the motor and then unscrew the 2 screws fixing the motor support to take 9 Disassemble Four way Valve Unscrew the fastening nut of the four way valve coil and remove the coil Wrap the four way valve with wet cotton and unsolder the 4 weld spots connecting F our way valve the four way valve to take it out Note Refrigerant should be discharged firstly F our way Welding process should be as quick as possible and valve keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor Weld spots Operating Procedures Photos 10 Disassemble Capillary Respectively unsol
9. OR INDOOR UNIT OUTDOOR UNIT Manual of functions of remote controller and operation method Manual of functions of remote controller 6 1 1 Temperature parameter The room setting temperature Tpreset The room ambient temperature Tamb 6 1 2Basic Functions It will delay 3 minutes for restarting unit after compressor is stoped 6 1 2 1 Cooling Mode 6 1 2 1 1 Cooling Conditions and Process When amb Tpreset the unit will run under cooling mode in which case the compressor Y indoor fan and outdoor fan will start the indoor fan will run at setting speed When T amb STpreset 2 the compressor will stop the outdoor fan will atop running after 30 seconds the indoor fan will run at setting speed When Toreset 2 C T lt Tpreset 1 the unit will maintain its original operating status gt Under this mode the switchover valve will not be powered on and the setting temperature range is16 30 C gt The air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature 1 Start cooling T preset 1 Original operating status T preset 2 223 min Stop cooling Compressor Y ux Outdoor fan 6 1 2 1 2 Protection 8 spoor 27 Antifreeze Protection Stop When the antifreezing pretection is detected the compressor will stop the outdoor fan will stop
10. ance of compressor Replace the fan motor Abnormal Replace the module with correct type Replace the mainboard of outdoor unit Abnormal Replace the compressor Whether cylinder of compressor is stuck If the unit runs normally after connected with the new compressor for trial run the cylinder of original compressor is stuck Stop for anti freezing protection of indoor unit Stop for low voltage protection Indoor ambient temperature sensor malfunction Indoor tube temperature sensor malfunction Outdoor ambient temperature sensor malfunction Outdoor exhaust temperature sensor malfunction gt eioliolco 75 5 ct lt 5 o 3 S S Sis s gt h 9 gt lt 5 D gt 31515 O o o 514 5 ola Oo olo S D o 5 5 5 O eic S 5 3 5 m e 5 5 fergana normato E6 H3 H4 H5 1 2 F4 F5 H1 blink 5 times low voltage ambient temperature is unsuitable E don t blink communication line failure main PCB failure interfere source connect line wrong blink 6 times ambient temperature is unsuitable heat exhanger blocked up blink 4 time
11. anceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the module refer to the next page Check if the voltage between power module P and N is too low if the current is too high In normal condition voltage between and should be 310 Check power supply circuit of outdoor unit Check if radiating is spread evenly or radiating Temperature of power module is too high which sticker is stuck well if screws of power module is causes overheating protection tightened Protection is still displayed Confirm the setting status of outdoor unit cooling Normal Reinstall power module and re spread radiating paste or stick radiating sticker on the radiator of power module Remove obstructions and clean Confirm if outdoor fan motor is running unplug the three connecting wires between U V of Outdoor fan compressor and power module Turn on the unit to see runs Confirm if there is voltage output and balance of if outdoor fan runs normally more than 3 minutes voltage between any two phases of U V and W Outdoor fan stops Measure the voltage of outdoor fan connector No voltage Poor radiation heat exchanger is dirty Yes Norina Whether module type Replace the power is correct module voltage Normal Measure the three phase resist
12. ception head is correct If it is correct then replace the receiver or the re Receiver is broken mote controller Check the voltage If it is lower than 10 of the rated voltage check the Power voltage is too low cause improve the power supply condition and add the stabilized voltage power supply Controller malfunction 162003 broken iue han ntroller relay is broken etc Change controlle In cool heat mode the outdoor Wire loose or wrong connection Correctly wire according to the drawing unit and compressor will not run Improper setting of temperature Adjust setting temp Poor COOL HEAT operation Improper set of temperature Adjust set temperature If cooling heating load is Check the forecasted load of cooling heating proper Malfunction of side the compressor refrigerant flow Malfunction of four way valve Heat insulation for the connection pipes of the indoor unit and the out door unit is bad Leakage between the high pres sure and the low pressure in Local block of capillary Blockage of cooling system Check and fill the leakage then The refrigerant has leakage or is Te vacuumize it and supplement the insufficient frigerant as required Replace the compressor Replace the four way valve Replace the capillary Judge whether the system is blocked by observing the condensation of evapora tor and the pressure value of the h
13. der the weld spots of main capillary and auxiliary capillary to take off the capillary Capillary 11 Disassemble Gas and Liquid Valves Unscrew the two bolts fixing gas valve and liquid valve Unsolder weld spots between gas valve and and air return pipe to remove the gas valve Unscrew the two bolts fixing liquid valve Unsolder weld spots between liquid valve and capillary to Liquid Valve remove the liquid valve Note During unsoldering wrap the valves with wet cloth to avoid damage for high temperature Bolts Gas Valve 12 Disassemble Compressor Unscrew the three foot nuts atthe foot of the compressor Unsolder the suction and the discharge pipes of the compressor and then carefully remove the pipes to take out the compressor Weld spots Nuts with washers list 5 1 L DITI DAT Iva viai and 5 5 Exploded View of Components and Parts of Indoor Unit ASH O9AIN PT 010 L 9 1 22 IN N LA vj 21 7 5 0 0
14. efer to the malfunction analysis in the above section 2 Low voltage overcurrent protection Possible reason Sudden drop of supply voltage 3 Communication malfunction Handling method Check if communication signal cable is connected reliably 4 Sensor open or short circuit Handling method Check whether sensor is normal connected with the corresponding position on the controller and if damage of lead wire is found 5 Compressor overload protectio Possible reasons shortage of refrigerant blockage of capillary and increase of suction temperature improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Handling method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compressor is fine when it is not overheated if not replace the protector 6 System malfunction i e overload protection When tube temperature Check the temperature of outdoor heat exchanger when cooling and check the temperature of indoor heat exchanger when heating is too high protection will be activated Possible reasons Outdoor temperature is too high when cooling insufficient outdoor air circulation please refer to the malfunction analysis in the previous section for handling method for refrigerant flow 7 IPM module protection Processing method Once the module malfunction happens if it persists for a long time and can not be self c
15. fuse The circuit or the part of the air conditioner has malfunction They heat and break the insulation The breaker trips in few minutes when it is set to ON and lead to short circuit or creepage Measure the insulation resistance or eliminate the malfunc tion one by one If the breaker itself has Check power supply circuit Power plug is not well plugged in and poor con Check if the plug is properly plugged in and nection make the loose contact firm The air conditioner does not react after it is powered after Fuse of controller burnt out Change controller fuse the plug is inserted ihe buzzer does t Fasten the wiring measure the output The transformer connection is loose or has bad not sound and the voltage of the transformer if it is contact or the transformer has malfunction remote startup has incorrect change the transformer no response Controller is broken Check remote controller Air conditioner can not start up Remote controller is short of power Change batteries The remote controller does not receive signals after it is Remote controller malfunction First press the manual switch button AUTO a if there is response check based on the powered the buzzer above methods If it runs normally after will sound unless it pressing the button check again whether the Receiver loose or poor connection has malfunction installation position and the connection wire of the re
16. igh pressure manometer and take measures to deal with the system Make sure that heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex Clean the dust accumulated on the surface of changer Air filter were blocked Air circulation is insufficient Fan rotation speed becomes low The outdoor temperature is too high The air tightness is not enough People come in and out too frequently There are heating devices indoors Fan speed was set too slow the heat exchanger Clean the filter To set the fan speed to high or middle speed Capacitor damage Motor damage Replace the capaci tor Replace the motor The installation position of the Good ventilation must be provided for the outdoor unit is not appropriate installation position of the outdoor unit Properly install the rainproof plate or the sunproof plate If the maximum cool air still can not meet the requirement it is sug gested to replace the air conditioner Keep certain air tightness indoors try not to use electricalappliance with large quantity of heat The indoor fan motor is burned or breaks Replace the fan motor or the defective part or has the heat protector malfunction breaks frequently because the motor Replace the fan motor is abnormal The fan does not run when it
17. is button does not function C4 Auto key If controller is turned on it will be stoped when pressing this key If controller is turned off unit will run with auto and swing is running when pressing this key AUTO STOP Handling switch 5 Timer control m The unit is turned on or off according to the timer set by the remote controller 6 Sleep function When the air conditioner is in COOL or DRY mode after Sleep mode has been set properly the preset Tset will be increased by 1 Cafter the sleep program has run for 1 hour and Tset will be increased by another after 2 hours Tset has been increased by 2 totally in two hours Then the unit will run at this set temperature and at the set speed Tpreset 2 C Setting temp Tpreset Tpreset 1 C _ ihr 2hrs __ 25 above _ When the air conditioner is in HEAT mode after Sleep mode has been set the preset Tset will be decreased by 1 Cafter the sleep program has run for 1 hour and Tset will be decreased by another 1 C after 2 hours Tset has been increased by 2 totally in two hours Then the unit will run at this set temperature and at the set speed 1hr 2hrs 2hrs above _ 1 2 In FAN and AUTO mode the temperature is fixe 7 Indoor fan control Use the remote controller to set the indoor fan running at HIGH MED or LOW speed At this ti
18. is detected in the condenser the system will enter into defrosting state When defrosting starts the compresso and indoor fan will stop and the outdoor fan and four way valve will delay 30 seconds to stop The compressor will start after 30 seconds and then defrosting will be started When the compressor has run for 8 minutes the compressor will stop After 30 seconds the four way valve opens and afteranother 60 seconds the compressor and outdoor fan resume running The indoor fan will delay 2 minutes to run at the latest 3 Protection Overcurrent protection If total current is high the compressor wil run in limited frequency If total current is over the stop running current then the compressor will stop the outdoor will delay 30 seconds to stop 4 Fan mode Under FAN mode the indoor fan motor can choose high middle low auto mode to run compressor outdoor fan motor and 4 way vavle will stop running Under this mode the range of setting tem is 16 30 C Ihe air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature 5 Auto Mode Under this mode the system will automatically select its run mode cool dehumidify heat or fan with the change of ambient temperature For protection function same as under cooling and heating mode When the ambient temp is changed it prior to change mode gt The air conditioner will adjust the running frequency of the co
19. is set i _ Wrong connection Make the correction connection based on the to supply air circuit drawing The fan capacitor has open circuit or is damaged The outdoor fan motor is damaged Replace the fan capacitor of the same type and same specification Replace the fan motor In the cooling and heating mode the Make the correct connection based on the compressor runs circuit drawing but the outdoor fan does not run The outdoor fan capacitor is damaged Malfunction of compressor Replace the compressor Breakage of running capacitor of Replace the capacitor compressor and leads to The voltage is too low or too high Manostat is recommended the action of the rotector Connect the circuit diagram correctly Use the multimeter to check whether the con tact of the compressor is on when it is not overheated If it is not on then replace the pro tector Replace the fan capacitor The compres sor is too hot The protector itself has malfunction The refrigerant is not enough or is too Adjust the volume of the refrigerant The compres Replace the capillary sor is too hot perature rises and leads to the The compressor does not run action of the smoothly or is stuck The air dis protector charge valve is damaged Replace the compressor Replace the protector The protector itself has malfunction The torque of the swing motor i
20. lasps and grounding screws remove the tube sensor then take out the Terminal electric box 8 Disassemble Evaporator Unscrew the screw to remove the rear pipe clamp Remove the left and right screws at the evaporator clamp manually move the evaporator to loosen the clasp of its side plate from the groove Carefully take outthe evaporato and pay attention to protect the connecting pipe Screw Operating Procedures Photos 9 Disassemble Motor Unscrew the 4 screws fixing the motor clamp Right motor Clamp and remove the motor clamp Bearing seat Loosen the holding nut at the shaft sleeve on the right side of the cross flow fan Slightly lift and then pull out the motor Screw Screw Left motor Clamp Motor Holding Screw Screw 10 Disassembling the cross flow fan Refer to the above steps to take out the cross flow fan from the base plate after taking out the motor 1 Disassembly Procedure of Outdoor Unit 1 Disassemble Big Handle Unscrew the screw fixing the big handle and then remove it downwards to take it out Screw Big Handle 2 Disassemble Top Cover Unscrew the 2 screws fixing left side of top cover and the 1 screw fixing the right side to remove the top cover 3 Disassemble Rear Grill Unscrew the 4 screws fixing the rear grill to Rear Grill remove it Operating Procedures Photos 4 Disassemble Front Panel Unscrew
21. me the fan will run at high medium or low speed It can also be set to AUTO gt During switch in each fan speed there should be 30s at least delay 8 Power supply for outdoor unit The power supply for outdoor unit is turned on in AUTO COOL HEAT and DRY mode under turn on state The power supply for outdoor unit will delay 3 minutes to turn off under turn off state or in the FAN mode under turn on state 9 Swing control 0 Use the SWING button of the wireless remote controller to controller SWING and Swing will only ac Awhen indoor fan is running After power on the stepping motor turns back to 0 position and closes the air outlet vent after the unit is in cool mode it will turn back to the max air outlet D1 position then swing back to L position for the next order When unit is in Heat mode quide louver stop at D1 position If the unit is under swing mode it will swing betewwn 1 and 01 position When unit is turned off it will turn back to 1 0 Buzzer The controller is powered on and detect the signal received the buzzer will beep Li Di 1 1 Memory function Memory contents of power off Mode Swing Set temp Set fan speed Timer ect when unit is turned On when repowered on there should be 3 minutes above then can supply power to outdoor unit when unit is off when repowered on the indoor unit can supply power to outdoor unit at once 1 2 Compressor delay protection In Cool Dry Heat modes
22. mpressor automatically according to the change of ambient 3 Protection function in each mode 1 Overload protection When tube temp is detected high the compressor runs in limited frequency or slow frequency When the temp is over standard then compressor stop running In auto HEAT or HEAT mode the indoor fan will blow for 60 seconds and then stop In other modes the indoor fan will run at the setting speed 2 Compressor discharge tempreture protection When the temp is over the standard then compressor stop running When the discharge temp resume the original conditions and compressorhas stop running for 3 minutes the compressor will resume running 3 Communication mulfunction There have communication mulfunction when unit don t receive the correct signal for 3 minutes the unit will stop running 4 Module protection When module is in protection the compressor will stop It will resume running after stopping for minutes During the period of module protection there will display mulfunction in indoor unit and the total unit will stop running 4 Other control 1 ON OFF The switch status is changed one time when pressing the ON OFF key 2 gt Mode function Unit will choose and disolay the below mode when pressing mode key AUTO COOL DRY FAN HEAT AUTO 3 TEMP setting button Each time TEMP or TEMP button is pressed the set temperature will be increased or decreased by 1 C Adjusting range is 16 30 C AUTO mode th
23. on Trendy D C Inverter Series When malfunction or protection occurs in the air conditioner the indicator of outdoor unit will blink accordingly as well When protection or malfunction is eliminated display will be back to normal 1 Indicator display of outdoor unit Yellow light blinks 1 time Compressor is running this is normal condition and the display of indoor unit is normal Yellow light blinks 2 times Defrosting Normal display Antifreezing protection display of indoor unit Yellow light blinks 3 times is normal Yellow light blinks 4 times IPM module protection Yellow light blinks 5 times Overcurrent protection Yellow light blinks 6 times Overload protection Yellow light blinks 7 times Discharge protection Yellow light blinks 8 times Compressor overload protection Indicator displa Red light blinks 1 time of outdoor unit Limit frequency currency Frequency declined air exhaust 2 Analysis or handling of some of the malfunction display 1 Compressor discharge protection Possible reasons shortage of refrigerant blockage of air filter poor ventilation or air flow short pass for condenser the system has noncondensing gas such as air water etc blockage of capillary assy including filter leakage inside four way valve causes incorrect operation malfunction of compressor malfunction of protection relay malfunction of discharge sensor outdoor temperature too high Handling method r
24. otor Fixing nut IAM Disassembly procedures for indoor unit of unit 12k Operation procedures pictures Disassembling the front panel and electric box cover Unloose the clasps on both sides and lift the panel upward Unplug the two connecting terminals of the display and slide out the rear clasp from the groove to take off the front panel Screw off the fixing screws of the electric box cover and open the electric box top cover to take it off 2 Disassemble Filter Push the filter upward loosen the clasps then can remove two pieces of filters J Disassemble Guide Louver Manually bend the guide louver to loose the clasp at the guide louver Remove the guide louver Panel Connecting Screws Cover of electric terminal Filter Guide Louver 4 Disassembling the front panel body Unclench the 3 screw covers and screw off the 4 pieces of screws that fix the panel body Unloose the front and rear clasp to take off the panel body Screw 5 Disassembling the electric box cover Unloose the 3 clasps to take off the electric box cover 6 Disassembling the water tray assy Unloose the clasp on the left side and unplug the connecting terminal of the stepping motor Be careful because the drainage pipe is placed here Screw 7 Disassemble Electric Box Tube sensor Remove the screw fixing the electric box Grounding screw disconnect the terminal of connecting line tne loosen the c
25. ressure for the Discharge Side MPa Permissible Excessive Operating Pressure for the Suction Side MPa ound Pressure Level dB A H M L lt 55 kg zi WM WD 65 848 260 540 B78X360X590 39 43 410 117 Outer 56 147 NEN 5 D above data is subject to change without prior notice Component Name Display Panel gt E 01 111 11 1011 1 tt 11 11 1 11 1 11 Drain hose Remote controller Power Run Dehumidify Zoom in the display Fan Louver Heat Auto Air in Outdoor Connection pipe and connecting wie i e 5 Air out Overall and Installing Dimension Overall and Installing Dimension of Indoor Unit 9K 190 Left Tube exit hole Top View Right Tube exit hole Unit mm rear panel PEE Overall and Installing Dimension of Indoor Unit 12K Left Tube exit hole Top View Right Tube exit hole Rear View mm rear panel Overall and Installing Dimension of Outdoor Unit 4 3 540 mm gt 260 L l Uu gt 2 _ VANES Nee 18 7 _ I Md lt ee ee ee ee ee ee
26. riginal condition Y T preset 2 C Stop Compressor 72 Outdoor fan Indoor fan 22 7777 2 Protection Stop Protection function is the same PUR Cod mode C3 HEAT Mode 1 The conditions and process of heating When Tamb Tset 2 system enters heating running in this case the reversal valve compressor out fan enter simultaneously running The indoor fan will run with setting fan speed and anti coolwind will be runned When Tamb Tset 5 compressor will stop and outdoor fan will be stopped in 30 seconds the indoor unit will run at setting fan speed for 60s then will stop The switchover valve will be powered off after compressor is stopped for 2 minutes under heating off mode or the condition that heat is changed to other modes When Tset 2 lt Tamb lt Tset 5 C unit will keep the original operation status gt Under this mode the switchover valve will be powered on and the setting temperature range is16 30 C gt air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature gt When the unit is turned off in HEAT mode or switched to other mode from HEAT mode the four way valve will be poweyed off after the compressor stops Stop running Original running state Start heating Reversal 222 2 Conditions and processes of defrost When frost
27. s modul over heat low voltage silica gel terminal connect not reliable temperature sensor malfunction terminal connect not reliable temperature sensor malfunction blink 6 times D terminal connect not reliable temperature sensor malfunction 43 blink 8 times shell oer heat less refrigerant capillary blocked up blink 5 times terminal connect not reliable temperature sensor malfunction blink 7 times terminal connect not reliable temperature sensor malfunction eee blink 2 times 1 isn t an error code it s a normal operation Just heat pump has this function 1 Error codes only be seen in the type which has the temperature display PCB If some type hasn t this function the lamps on the outdoor PCB are available then 2 Normally the communication between indoor unit and outdoor unit is successful the green lamp Led2 of outdoor PCB blinks 15 on 1sec off 3 The red and yellow lamp blinks 0 5 sec on 0 5 sec off between two error display cycle it will be 2 sec off 4 Led1 red is power lamp Led3 red blinks 8 times which means temperature be up to machine run When compressor starts Led4 yellow blinks 1 times
28. s not enough First check whether the connection is wrong If no replace the parts The swing fan Wrong connection does not run The controller is damaged IC2003 is damaged the swing relay can not close etc Drainage pipe blocked or broken Change drainage pipe Wrap of refrigerant pipe joint is not close P 9 Pee Re wrap and make it tight enough Fan of indoor unit contacts other parts Adjust fan location Water leakage Foreign object in indoor unit Take out the foreign object Compressor shakes too much Adjust support washer of compressor and tighten loosen screws Touch of pipeline of outdoor unit Separate the touching pipeline Abnormal sound and shake Touch of inner plates 1 Tighten connect screw 2 Stick absorbing clay between plates Louver of outdoor unit touched outer case Adjust location of louver Abnormal sound inside compressor Change compressor Abnormal solenoid sound from 4 way gt Circuit short inside solenoid of the valve valve when heating and change the solenoid valve There are no heating malfunctions in the above for the cooling only unit Note 1 When maintaining before detecting the voltage between the modular PN is less than 50V please never touch any of the terminals in order to avoid electric shock 2 When replacing the batteries commutating bridge both of them should be coated with the coolant Malfunction display secti
29. terminal Guide Louver 55 moO Screw cover Screw Operating Procedures Photos 4 Disassemble Electric Box Cover Lossen three clasos then remove the electric box cover 5 Disassemble Water Tray Pull open the holding clasp on the left side of the water tray disconnect the terminal of the stepping motor lift and pull out the drainage pipe and remove the water tray Terminal 6 Disassembling the electric box Screw off the two pieces of screws that fix the electric Seu lt box and unloose the clasp Pull out the tube sensor unloose the grounding nut and unplug the motor Grounding nut connecting terminal take out the electric box Motor connecting terminal Operating Procedures Photos 7 Disassemble Evaporator Unscrew the screw to remove the rear pipe clamp Remove the left and right screws at the evaporator manually move the evaporator to loosen the clasp of its side plate from the groove Carefully take outthe evaporator and pay attention to protect the connecting pipe 8 Disassemble Motor Unscrew the three screws fixing the motor clamp Screw and remove the motor clamp Motor Clamp Loosen the holding nut at the shaft sleeve on the right side of the cross flow fan Slightly lift and then pull out the motor Tighten nut 9 Disassembling the cross flow fan Refer to the above steps to take out the cross flow fan from the base plate after taking out the m
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