Download Service Manual (9K & 12K 115V)
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O O 4 2 0 0 09K 70 80 90 0 0 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) 6SHFL¿FDWLRQV &DSDFLW\9DULDWLRQ5DWLR$FFRUGLQJWR7HPSHUDWXUH &RROLQJ 120 12K &DSDFLW\UDWLR 100 09K 80 60 40 &RQGLWLRQ ,QGRRU'%R):%R) ,QGRRUDLUÀRZ785%2 3LSHOHQJWKIW 20 0 89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 104 105.8 107.6 109.4 111.2 113 2XWGRRUWHPSR) +HDWLQJ 120 100 &DSDFLW\UDWLR 12K 80 09K 60 40 &RQGLWLRQ ,QGRRU'%R) ,QGRRUDLUÀRZ785%2 3LSHOHQJWKIW 20 0 5 8.6 11 12.2 19.4 23 26.6 30.2 33.8 37.4 41 2XWGRRUWHPSR) 44.6 48.2 51.8 1RLVH&ULWHULD&XUYH7DEOHVIRU%RWK0RGHOV .8QLW Outdoor side noise 70 Indoor side noise when blowing 40 60 Noise/dB(A) Noise/dB(A) 35 30 50 40 25 30 Low Middle High Indoor fan motor rotating speed Turbo 20 0 20 40 60 80 Compressor frequency/Hz 100 6SHFL¿FDWLRQV .8QLW Outdoor side noise 70 Indoor side noise when blowing 40 60 Noise/dB(A) Noise/dB(A) 35 30 25 50 40 30 20 Low Middle Turbo High Indoor fan motor rotating speed 20 0 20 40 60 80 100 Compressor frequency/Hz 2SHUDWLRQ'DWD &RROLQJ 7HPSHUDWXUHFRQGLWLRQ) ,QGRRU 0RGHOQDPH 2XWGRRU ± 6WDQGDUG SUHVVXUH 303D . . a 0RGHOQDPH 6WDQGDUG SUHVVXUH 303D +HDWH[FKDQJHUSLSHWHPS 7) 7) WR WR WR WR ,QGRRUIDQ PRGH 785%2 2XWGRRUIDQ &RPSUHVVRU PRGH UHYROXWLRQUSV 785%2 +HDWLQJ 7HPSHUDWXUHFRQGLWLRQ) ,QGRRU 2XWGRRU . . a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uffler Discharge HEAT EXCHANGE (EVAPORATOR) Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE Electronic Expansion Valve Strainer 2-WAY VALVE COOLING &RROLQJ+HDWLQJ0RGHOV INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Muffler Discharge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR LIQUID SIDE 2-WAY VALVE HEAT EXCHANGE (CONDENSER) Strainer Electronic Expansion Valve Strainer COOLING HEATING 5HIULJHUDQWSLSHGLDPHWHU /LTXLG*DV 6FKHPDWLF'LDJUDP 6FKHPDWLF'LDJUDP (OHFWULFDO'DWD 0HDQLQJRIPDUNV 6\PERO &RORUV\PERO 2* 6\PERO 25$1*( :+ <( 5' <(*1 %1 %8 %. 3DUWVQDPH 3527(&7,9(($57+ :+,7( <(//2: 5(' <(//2:*5((1 %52:1 %/8( %/$&. &203 &7 9 ;7 &2035(6625 29(5/2$' :$<9$/9( 7(50,1$/%/2&. (OHFWULFDO:LULQJ Ɣ,QGRRU8QLW TUBE TEM.SENSOR 0 0 RT1 RT2 ROOM DISPLAY AP1 CN1 CN2 13 DISP1 TUBE N DISP2 W4BU L1 COM-OUT L1 CAP AC-L AP2 PGF PG M1 FAN MOTOR SWING-UD TR_OUT TR_IN TC M2 II SWING MOTOR(U.D) W2YEGN W1 YEGN L-OUT K4 JUMP I TRANSFORMER XT1 N(1) W5BK 2 W3BN 3 EVAPORATOR ELECTRIC BOX G G OUTDOOR UNIT ROOM TEM.SENSOR 6FKHPDWLF'LDJUDP Ɣ2XWGRRU8QLW *:&0$$'1$$2ǃ*:&0%$'1$$2 COMP CT1,2 W10 RD W 3 YEGN R COMP E TUBE OUTROOM EXHUAST TEM.SENSOR TEM.SENSOR TEM.SENSOR RT3 RT4 RT5 0 0 0 L2 L2 I N D O O R XT2 W V W15 BU N(1) 2 W4 BK W14 BN 3 L U N I T G OUTROOM EXHAUST OVERHEAT OUTTUBE E G L2 W5 BU W 6 YE W7 BK U G C W8 YEGN S N FILTER L1 W1 BN L1 W 2 BU 1 3 2 4 AP1 COMU L4 W17 RD L4 W16 WH AC-L1 AC-N1 E AC-N3 AC-N4 AC-L3 AC-L2 W13 YEGN POWER N CN1 OFAN EKV M AC-N5 AC-L2 AC-L4 W 18 YEGN W20 BU W23 OG W21 BN G G L W19 BU C4 C3 W24 RD 1 2 2 1 FAN MOTOR W22 WH G *:+0$$'1$$2ǃ*:+0%$'1$$2 COMP CT1,2 W3YEGN W10 RD R COMP E TUBE OUTROOM EXHUAST TEM.SENSOR TEM.SENSOR TEM.SENSOR RT3 RT4 RT5 0 0 0 L2 L2 I N D O O R XT2 W4 BK W14 BN L U N I T G W V OUTROOM EXHAUST W15 BU N(1) 2 3 OVERHEAT OUTTUBE E G L2 W5 BU W 6 YE W 7 BK U G C W8 YEGN S N FILTER L1 W1 BN L1 W2 BU 1 3 2 4 AP1 COMU L4 W17 RD L4 W16 WH AC-L1 AC-N1 CN1 OFAN EKV M E W13 YEGN POWER N L AC-N3AC-N4 AC-L3 AC-L2 AC-N5 AC-L2 AC-L4 4V AC-N2 W18 YEGN W20 BU W23 OG W21 BN G G W19 BU W24 RD C4 C3 1 2 2 1 4YV FAN MOTOR W22 WH G 6FKHPDWLF'LDJUDP *:+0%''1$$2 COMP CT1,2 W3YEGN W10 RD G 3 W15 BU L1 W4 BK W14 BN L1 W1 BN L1 U N I T L1 W2BU L2 G RT3 RT4 RT5 0 0 0 C W8 YEGN S L2 L2 L2 W5 BU W6 YE W 7 BK U OVERHEAT XT2 N(1) 2 TUBE EXHUAST OUTROOM TEM.SENSOR TEM.SENSOR TEM.SENSOR E G I N D O O R R COMP E OUTTUBE OUTROOM G W V EXHAUST AP1 COMU AC-L1 N1 CN1 OFAN W13 YEGN 4V AC-L2 AC-L3 N2 N3 POWER N W12 WH W11 OG M L EKV L 4YV W9 BU G FAN MOTOR G *:&0%''1$$2 COMP CT1,2 W3YEGN W10 RD I N D O O R 3 W15 BU L1 W4 BK W14 BN L1 W1 BN L1 U N I T L1 W2 BU L2 G RT3 RT4 RT5 0 0 0 C W8 YEGN S L2 L2 L2 W5 BU W 6 YE W 7 BK U OVERHEAT XT2 N(1) 2 TUBE EXHUAST OUTROOM TEM.SENSOR TEM.SENSOR TEM.SENSOR E G G R COMP E OUTTUBE OUTROOM V G W EXHAUST AP1 COMU AC-L1 N1 CN1 OFAN W13 YEGN AC-L2 AC-L3 N2 N3 POWER N W11 OG M L EKV G L W12 WH W 9 BU FAN MOTOR G 7KHVHFLUFXLWGLDJUDPVDUHVXEMHFWWRFKDQJHZLWKRXWQRWLFHSOHDVHUHIHUWRWKHRQHVXSSOLHGZLWKWKHXQLW 6FKHPDWLF'LDJUDP 3ULQWHG&LUFXLW%RDUG ,QGRRU8QLW Ɣ7239,(: 1 2 3 4 5 6 7 12 8 11 9 10 ,QWHUIDFHRIQHXWUDO ZLUH 7UDQVIRUPHULQSXW ,QWHUIDFHRI3*PRWRU $XWREXWWRQ )HHGEDFNIURP3* PRWRU 8SGRZQVZLQJ -XPSFDS 5RRPWHPSHUDWXUH VHQVRU 3LSHWHPSHUDWXUH VHQVRU 'LVSOD\LQWHUIDFHRI ',63',63 3URWHFWLYHWXEH &RPPXQLFDWLRQ LQWHUIDFH Ɣ%277209,(: 6FKHPDWLF'LDJUDP 2XWGRRU8QLW *:+0$$'1$$ǃ*:&0$$'1$$ǃ*:+0%$'1$$ǃ*:&0%$'1$$ Ɣ7239,(: 8 7 9 10 11 12 6 5 4 13 14 3 15 2 16 1 22 2019 18 17 6OXJRIRQRIISRZHU ([WHUQDOFRQQHFW KLJKFDSDFLW\QHJDWLYH WHUPLQDO 7HUPLQDORISRZHUOHDGLQ ZLUHDQGOLYHZLUH +LJKIUHTXHQF\WUDQVIRUPHU 7HUPLQDORI'&IDQ 7HUPLQDORISRZHUOHDGLQ ZLUHDQGQHXWUDOZLUH ,30PRGXOH 3URWHFWLYHWXEH 0DLQUHOD\ /LYHZLUHWHUPLQDORIZD\ YDOYH 7HUPLQDORIMXPSZLUHOLYH 1HXWUDOZLUHWHUPLQDORI ZLUHDQGQHXWUDOZLUH$& ZD\YDOYH 1MRLQW$&1$&/MRLQW $&/ ([WHUQDOFRQQHFW 7HUPLQDORIMXPSHUZLUH KLJKFDSDFLW\SRVLWLYH QHXWUDOZLUH WHUPLQDO Ɣ%277209,(: 21 7HUPLQDORIJURXQGZLUH 2XWGRRUDPELHQWWHPSHUDWXUH VHQVRU 'LVFKDUJHWHUPLQDORI FRPSUHVVRU 7HUPLQDORIFRPSUHVVRU RYHUORDGSURWHFWRU 7HUPLQDORIFRPPXQLFDWLRQ 6WDELOL]HGYROWDJHEORFN ZLUH 3URWHFWLYHWXEH 7HUPLQDORI RXWGRRUSLSH WHPSHUDWXUH 6FKHPDWLF'LDJUDP *:+0%''1$$ǃ*:&0%''1$$ Ɣ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Ɣ%277209,(: )XQFWLRQDQG&RQWURO )XQFWLRQDQG&RQWURO 5HPRWH&RQWURO2SHUDWLRQV 1 ON/OFF Press it to start or stop operation. 2 MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). 3 + Press it to increase temperature setting. 4 Press it to decrease temperature setting. 5 2 1 FAN Press it to set fan speed. 6 3 4 6 5 11 12 13 TIMER ON Press it to set auto-on timer. 7 9 10 Press it to set swing angle. 7 8 TIMER OFF Press it to set auto-off timer. 8 9 14 CLOCK Press it to set clock. 10 X-FAN(X-FAN is the alternative expression of BLOW for the purpose of understanding.) 11 12 13 14 TEMP TURBO SLEEP LIGHT Press it to turn on/off the light. 25 24 23 22 21 15 16 20 17 18 19 15 MODE icon: If MODE button is pressed, current operation mode icon (AUTO), ( COOL), (DRY), (FAN) or (HEAT is only for heat pump models) will show. 16 SLEEP icon : is displayed by pressing the SLEEP button. Press this button again to clear the display. 17 TEMP icon: Pressing TEMP button, (set temperature), (indoor ambient temperature), (outdoor ambient temperature) and blank is displayed circularly. 18 Up & down swing icon: is displayed when pressing the up & down swing button. Press this button again to clear the display. )XQFWLRQDQG&RQWURO 19 LIGHT icon: 20 LOCK icon: is displayed by pressing the LIGHT button.Press LIGHT button again to clear the display. is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. 21 SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time. 22 TURBO icon: is displayed when pressing theTURBO button.Press this button again to clear the display. 23 DIGITAL display: This area will show the set temperature. In SAVE mode,"SE" will be displayed. During defrosting operation, “H1” will be displayed. 24 X-FAN icon: 25 FAN SPEED display: is displayed when pressing the X-FAN button. Press this button again to clear the display. Press FAN button to select the desired fan speed setting(AUTO Low-Med-High).Your selection will be displayed in the LCD windows, except the AUTO fan speed. 1 ON/OFF: Press this button to turn on the unit. Press this button again to turn off the unit. 2 MODE: Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN, and HEAT *, as the following: AUTO COOL DRY FAN HEAT* *Note: Only for models with heating function. After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable. 3 +: Press this button to increase set temperature. Hold it down for above 2 seconds to rapidly increase set temperature. In AUTO mode, set temperature is not adjustable. 4 -: Press this button to decrease set temperature. Hold it down for above . 2 seconds to rapidly decrease set temperature. In AUTO mode, set temperature is not adjustable. 5 FAN : This button is used for setting fan speed in the sequence that goes from AUTO, , , to then back to Auto. AUTO Low speed Medium speed High speed 6 Press this button to set up & down swing angle, which circularly changes as below: OFF This remote controller is universal. If any command , or is sent out, the unit will carry out the command as indicates the guide louver swings as: )XQFWLRQDQG&RQWURO 7 TIMER ON: Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again. After pressing this button, disappears and "ON" blinks . 0 0:00 is displayed for ON time setting. Within 5 seconds, press + or - button to adjust the time value. Every press of either button changes the time setting by 1 minute. Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes. Within 5 seconds after setting, press TIMER ON button to confirm. 8 TIMER OFF: Press this button to initiate the auto-off timer. To cancel the auto-timer program, simply press the button again.TIMER OFF setting is the same as TIMER ON. 9 CLOCK : Pressing CLOCK button, blinks. Within 5 seconds, pressing + or - button adjusts the present time. Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During blinking after setting, press CLOCK button again to confirm the setting, and then 10 will be constantly displayed. X-FAN: Pressing X -FAN button in COOL or DRY mode,the icon is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN or HEAT mode. 11 TEMP: Press this button, could select displaying the indoor setting temperature or indoor ambient temperature.When the indoor unit firstly power on it will display the setting temperature, if the temperature's displaying status is changed from other status to" ",displays the ambient temperature, 5s later or within 5s, it receives other remote control signal that will return to display the setting temperature. if the users haven't set up the temperature displaying status,that will display the setting temperature. 12 TURBO: Press this button to activate / deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super high fan speed. 13 SLEEP: Press this button to go into the SLEEP operation mode. Press it again to cancel this function. This function is available in COOL, HEAT (Only for models with heating function) or DRY mode to maintain the most comfortable temperature for you. 14 LIGHT: Press LIGHT button to turn on the display's light and press this button again to turn off the display's light. If the light is turned on , is displayed. If the light is tunrned off, disappears. 15 Combination of "+" and "-" buttons: About lock Press "+ " and "-" buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, case, pressing any button, is displayed. In this blinks three times. 16 Combination of "MODE" and "-" buttons:About switch between Fahrenheit and Centigrade At unit OFF, press "MODE" and "- " buttons simultaneously to switch between ℃ and ℉. Replacement of Batteries 1.Remove the battery cover plate from the rear of the remote controller. (As shown in the figure) 2.Take out the old batteries. 3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity. 4. Reinstall the battery cover plate. ★Notes: ●When replacing the batteries, do not use old or different types of batteries. Otherwise, it may cause malfunction. ●If the remote controller will not be used for a long time, please remove batteries to prevent batteries from leaking. ●The operation should be performed in its receiving range. ●It should be kept 3.3ft. away from the TV set or stereo sound sets. ●If the remote controller does not operate normally, please take the batteries out and reinsert them after 30 seconds. If it still can't operate properly, replace the batteries. 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When total current ItotalD, the compressor stops operation, and indoor fan will stop operation after 30s. .XQLW$ $% $& $' $.XQLW$ $% $& $' $ For 230V: frequency-decreasing protection when total current is increasing: When total current ItotalA, increase frequency is allowed; when total current ItotalB, increasing frequency is prohibited; when total current ItotalC, the unit operates by decreasing frequency. 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&RPSUHVVRU2YHUORDG3URFWHFWRU([WHUQDO 7HPSHUDWXUH6HQVRU 5HDU*ULOO &RQGHQVHU$VV\ &ODSERDUG6XE$VV\ 7RS&RYHU3ODWH 0RWRU6XSRUW6SRW:HOGLQJ6XEDVV\ &RYHURI5HDFWRU%R[ 5HDFWRU 5HDFWRU6XEDVV\ (OHFWULF%R[&RYHU6XE$VV\ 0DLQ%RDUG (OHFWULF%R[$VV\ 7HUPLQDO%RDUG 7KHGDWDDERYHDUHVXEMHFWWRFKDQJHZLWKRXWQRWLFH 3DUW&RGH *:+0%''1$$2 7URXEOHVKRRWLQJ 7URXEOHVKRRWLQJ 0DOIXQFWLRQ$QDO\VLV 1RWH:KHQUHSODFLQJWKHFRQWUROOHUPDNHVXUHLQVHUWWKHZLUHMXPSHULQWRWKHQHZFRQWUROOHURWKHUZLVHWKH XQLWZLOOGLVSOD\& The breaker trips at once when it is set to “ON”. Air conditioner can not start up Trip of breaker or blow of fuse The air conditioner does not react after it is powered ( after the plug is inserted, the buzzer does not sound and the remote startup has no response) to ground to see if there is any leakage. The breaker trips in few minutes when it is set to “ON”. The circuit or the part of the air conditioner has malfunction. They heat and break the insulation and lead to short circuit or creepage. Measure the insulation resistance or eliminate the malfunction one by one. If the breaker itself has malfunction, then replace the breaker. No power Check power supply circuit. Power plug is not well plugged in and poor connection. Check if the plug is properly plugged in and make the loose contact firm. Fuse of controller burnt out Change controller fuse The transformer connection is loose or has bad contact or the transformer has malfunction. Fasten the wiring; measure the output voltage of the transformer , if it is incorrect, change the transformer. Controller is broken Check remote controller Remote controller is short of power The remote controller does not receive signals (after it is powered, the buzzer will sound, unless it has malfunction) Measure insulation resistance Remote controller malfunction Receiver loose or poor connection Receiver is broken Power voltage is too low Change batteries First, press the manual switch button AUTO,if there is no response,check based on the above methods. If it runs normally after pressing the button, check again whether the installation position and the connection wire of the reception head is correct. If it is correct,then replace the receiver or the remote controller. Check the voltage. If it is lower than 10% of the rated voltage, check the cause, improve the power supply condition and add the stabilized voltage power supply. 7URXEOHVKRRWLQJ Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper The refrigerant has leakage or is insufficient Check and fill the leakage, then vacuumize it and supplement the refrigerant as required Leakage between the high presMalfunction of refrigerant flow sure and the low pressure in- Malfunction of four-way valve Local block of capillary Poor COOL(HEAT) operation Replace the compressor side the compressor Replace the four-way valve Replace the capillary Judge whether the system is blocked by Blockage of cooling system observing the condensation of evaporator and the pressure value of the high pressure manometer and take measures to deal with the system. Heat insulation for the connection pipes of the indoor unit and the outdoor unit is bad. 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 exchanger Clean the dust accumulated on the surface of the heat exchanger. Air filter were blocked Clean the filter Fan speed was set too slow Air circulation is insufficient Fan rotation speed becomes low To set the fan speed to high or middle speed Capacitor Replace the capaci- damage tor Motor damage 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. The outdoor temperature is too high. Properly install the rainproof plate or the sunproof plate. If the maximum cool air still can not meet the requirement, it is suggested to replace the air conditioner. The air tightness is not enough. People come in and out too frequently. There are heating devices indoors. Keep certain air tightness indoors, try not to use electricalappliance with large quantity of heat 7URXEOHVKRRWLQJ The indoor fan motor is burned or breaks or has the heat protector malfunction. Replace the fan motor or the defective part. The fan does not The built-in heat protector of the motor breaks frequently because the Replace the fan motor run when it is set to supply air. motor is abnormal. Wrong connection The fan capacitor has open circuit or is damaged. Make the correction connection based on the circuit drawing. Replace the fan capacitor of the same type and same specification. In the cooling and The outdoor fan motor is damaged. Replace the fan motor heating mode, the compressor Wrong connection Make the correct connection based on the circuit drawing The outdoor fan capacitor is damaged. Replace the fan capacitor runs, but the outdoor fan does not run. Malfunction of compressor Replace the compressor Breakage of running capacitor of In the cooling and heating mode, the outdoor fan runs, but the compressor does not run. compressor The voltage is too low or too high. Wrong wire connection The protector itself has malfunction. The refrigerant is not enough or is too much. The compressor is too hot and leads to the action of the protector. Replace the capacitor Manostat is recommended. Connect the circuit diagram correctly Use the multimeter to check whether the contact of the compressor is on when it is not overheated. If it is not on, then replace the protector Adjust the volume of the refrigerant The capillary is blocked and the temperature rises. Replace the capillary The compressor does not run Replace the compressor smoothly or is stuck. The air discharge valve is damaged The protector itself has malfunction. Replace the protector 7URXEOHVKRRWLQJ The torque of the swing motor is not enough The swing fan does not run. Wrong connection First, check whether the connection is wrong. If no, replace the parts The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) Controller malfunction (IC2003 broken, creepage of parallel capaci- Change controller In cool, heat mode, the tor of relay loop, relay is broken etc.) outdoor unit and compres- Wire loose or wrong connection Correctly wire according to the drawing Improper setting of temperature Adjust setting temp. Drainage pipe blocked or broken Change drainage pipe Wrap of refrigerant pipe joint is not Re-wrap and make it tight. sor will not run. Water leakage close enough. Fan of indoor unit contacts other parts Foreign object in indoor unit Compressor shakes too much Adjust fan location Take out the foreign object Adjust support washer of compressor, and tighten loosen screws Abnormal sound and shake Touch of pipeline of outdoor unit Separate the touching pipeline. 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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Y Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 N Measure the AC voltage between terminalL and N on wiring board XT(power supply) Voltage within 210VAC~250VAC? N Shut down the power and repair the power supply to restore the range 210VAC~250VAC power on and restart the unit If the fault is eliminated? Y Y Shut down the power and wait 20 minutes; or use DC voltmeter to measure the voltage on the two ends of capacitor (test3), until the voltage is lower than 20V N Check the connection of reactor (L in the Electrical Wiring Diagram) If the wiring of reactor Lis normal? N Connect the reactor Laccording to Electrical Wiring Diagram correctly Re-energize and turn on the unit Y Replace the control panel AP1 End N If the fault is eliminated? Y 7URXEOHVKRRWLQJ ,30 3URWHFWLRQ 2XWRIVWHS )DXOW &RPSUHVVRU 3KDVH 2YHUFXUUHQW $3 EHORZ UHIHUV WR WKH RXWGRRU FRQWURO SDQHO 0DLQFKHFNSRLQWV Ɣ,VWKHFRQQHFWLRQEHWZHHQFRQWUROSDQHO$3DQGFRPSUHVVRU&203VHFXUH"/RRVH",VWKHFRQQHFWLRQLQFRUUHFWRUGHU" Ɣ,VWKHYROWDJHLQSXWRIWKHPDFKLQHZLWKLQQRUPDOUDQJH"8VH$&YROWPHWHUWRPHDVXUHWKHYROWDJHEHWZHHQWHUPLQDO/DQG1RQWKH ZLULQJERDUG;7 Ɣ,VWKHFRPSUHVVRUFRLOUHVLVWDQFHQRUPDO",VWKHLQVXODWLRQRIFRPSUHVVRUFRLODJDLQVWWKHFRSSHUWXEHLQJRRGFRQGLWLRQ" Ɣ,VWKHZRUNLQJORDGRIWKHPDFKLQHWRRKLJK",VWKHUDGLDWLRQJRRG" ,ƔVWKHFKDUJHYROXPHRIUHIULJHUDQWFRUUHFW" )DXOWGLDJQRVLVSURFHVV Energize and switch on IPM protection occurs after the machine has run for a period of time? Y Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the voltage between terminal L and N on wiring board XT is within 210VAC~250VAC? N Check the supply voltage and restore it to 210VAC~250VAC Y Restart the unit. Before protection occurs, use DC voltmeter to measure the voltage between the two ends of electrolytic capacitor on control panel AP1 (test3) Voltage between the two ends of celectrolytic capacitor (test3) is higher than 250V Y Please confirm: 1. If the indoor and outdoor heat exchangers are dirty? If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit. 2. If the indoor and outdoor fans are working normally? 3. If the environment temperature is too high, resulting in that the system pressure is too high and exceeds the permissible range? 4. If the charge volume of refrigerant is too much, resulting in that the system pressure is too high? 5. Other conditions resulting in that the system pressure becomes too high. The connection of capacitor C2 is loose. Reconnect the capacitor C2 according to Electrical Wiring Diagram. Then, Restart the unit. Y N Stop the unit and disconnect the power supply. Wait 20 minutes, or use DC voltmeter to measure the voltage between the two ends of capacitor C2, until the voltage is lower than 20V Remove the wires on the two ends of capacitor C2. Then, use capacitance meter to measure the capacitor C2. Verify as per the Parameters Sheet. If capacitor C2 is failed? Replace the capacitor C2. Then, energize and start the unit. Y Replace the control panel AP1 N If there is any abnormality described above? Y Y Connect the control panel AP1 and compressor COMP correctly according to the Electrical Wiring Diagram. Then, energize and start the unit. If the resistance is normal? N N If the unit can work normallv? If the unit can work normally? Y Y N Take corrective actions according to Technical Service Manual, and then energize and start the unit. Replace the control panel AP1 N Use ohmmeter to measure the resistance between the three terminals on compressor COMP, and compare the measurements with the compressor resistance on Service Manual. Y N Stop the unit and disconnect the power supply. Then, check the connection of capacitor C2 according to Electrical Wiring Diagram. Refer to the Electrical Wiring Diagram and check if the connection between AP1 and COMP is loose and if the connection order is correct. If the connection between AP1 and COMP is unsecure or the connection order is wrong? If the unit can work normally? N If the unit can work normally? If the unit can work normally? Y N Y Replace the compressor COMP N Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube. Resistance higher than 500MΩ? Y Replace the control panel AP1 END 7URXEOHVKRRWLQJ +LJKWHPSHUDWXUHDQGRYHUORDGSURWHFWLRQGLDJQRVLV$3KHUHLQDIWHUUHIHUVWRWKHFRQWUROERDUGRIWKHRXWGRRU XQLW 0DLQO\GHWHFW Ɣ,VRXWGRRUDPELHQWWHPSHUDWXUHLQQRUPDOUDQJH" Ɣ$UHWKHRXWGRRUDQGLQGRRUIDQVRSHUDWLQJQRUPDOO\" Ɣ,VWKHKHDWGLVVLSDWLRQHQYLURQPHQWLQVLGHDQGRXWVLGHWKHXQLWJRRG" )DXOWGLDJQRVLVSURFHVV Overheat and high temperature protection Is outdoor ambient temperature higher than 53? Y Normal protection, please operate it after the outdoor ambient temperature is normalized. N 20 minutes after the complete unit is powered off. Is heat dissipation of the indoor unit and outdoor unit abnormal? Y Improve the heat dissipation environment of the unit N Does the outdoor fan work normally? N 1. Check if the fan terminal OFAN is connected correctly 2. Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Ohm. Y Replace the fan capacitor C1 Replace the control panel AP1 Replace the outdoor fan End 7URXEOHVKRRWLQJ 6WDUWXSIDLOXUHIROORZLQJ$3IRURXWGRRUXQLWFRQWUROERDUG 0DLQO\GHWHFW Ɣ:KHWKHUWKHFRPSUHVVRUZLULQJLVFRQQHFWHGFRUUHFW" Ɣ,VFRPSUHVVRUEURNHQ" Ɣ,VWLPHIRUFRPSUHVVRUVWRSSLQJHQRXJK" )DXOWGLDJQRVLVSURFHVV Power on the unit Is stop time of the compressor longer than 3 minutes? Restart it up after 3 minutes N Y Does startup fail? Y Are the wires for the compressor connected correctly? Is connection sequence right? N Connect the wires as per the connection diagram Y Replace the control panel AP1 N If the fault is eliminated? N Replace the compressor Y End 7URXEOHVKRRWLQJ 2XWRIVWHSGLDJQRVLVIRUWKHFRPSUHVVRU$3KHUHLQDIWHUUHIHUVWRWKHFRQWUROERDUGRIWKHRXWGRRUXQLW 0DLQO\GHWHFW Ɣ,VWKHV\VWHPSUHVVXUHWRRKLJK" Ɣ,VWKHLQSXWYROWDJHWRRORZ" )DXOWGLDJQRVLVSURFHVV Out of step occurs once the unit is powered on. Out of step occurs in operation Is stop time of the compressor longer than 3 minutes? Is the outdoor fan working normally? Is the outdoor unit blocked by foreign objects? Are the wires for the compressor connected correctly? Is connection sequence right? Is the connection made in clockwise direction? Replace the control panel AP1 Connect the wires correctly Replace the control panel AP1 If the fault is eliminated? If the fault is eliminated? Replace the compressor Replace the compressor End End Check if the fan terminal OFAN is connected correctly Replace the fan capacitor C1 Replace the outdoor fan Remove foreign objects 7URXEOHVKRRWLQJ 2YHUORDGDQGDLUH[KDXVWPDOIXQFWLRQGLDJQRVLVIROORZLQJ$3IRURXWGRRUXQLWFRQWUROERDUG 0DLQO\GHWHFW Ɣ,VWKH309FRQQHFWHGZHOORUQRW",V309GDPDJHG" Ɣ,VUHIULJHUDQWOHDNHG" )DXOWGLDJQRVLVSURFHVV 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly? Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm. Replace the electronic expansion valve If the fault is eliminated? Replace the control panel AP1 If the fault is eliminated? Coolant leakage, refilling the coolant End 7URXEOHVKRRWLQJ 3RZHUIDFWRUFRUUHFWRU3)&IDXOWDIDXOWRIRXWGRRUXQLW$3KHUHLQDIWHUUHIHUVWRWKHFRQWUROERDUGRIWKH RXWGRRUXQLW 0DLQO\GHWHFW Ɣ&KHFNLIWKHUHDFWRU/RIWKHRXWGRRUXQLWDQGWKH3)&FDSDFLWRUDUHEURNHQ )DXOWGLDJQRVLVSURFHVV Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Whether there is any damage or short-circuit? Y Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated? N Remove the PFC capacitor and measure resistance between the two terminals. Is the resistance around zero? N Y The capacitor is short circuited and the capacitor should be replaced Restart the unit If the fault is eliminated? Y N Disconnect the terminals for the reactor and measure the resistance between the two terminals of the reactor by an ohm gauge Whether there is any damage or short-circuit? N Y Replace the reactor Restart the unit If the fault is eliminated? Y N Replace the control panel AP1 N Y End 7URXEOHVKRRWLQJ &RPPXQLFDWLRQPDOIXQFWLRQIROORZLQJ$3IRURXWGRRUXQLWFRQWUROERDUG 0DLQO\GHWHFW Ɣ,VWKHUHDQ\GDPDJHIRUWKHLQGRRUXQLWPDLQERDUGFRPPXQLFDWLRQFLUFXLW",VFRPPXQLFDWLRQFLUFXLWGDPDJHG" Ɣ'HWHFWWKHLQGRRUDQGRXWGRRUXQLWVFRQQHFWLRQZLUHDQGLQGRRUDQGRXWGRRUXQLWVLQVLGHZLULQJLVFRQQHFWZHOORUQRWLILVWKHUHDQ\ GDPDJH" )DXOWGLDJQRVLVSURFHVV Start Y Did the equipment operate normally before the failure occurs? N Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor units Y Is the connection right? N N The AP1 voltage detection circuit is at fault Y Correctly connect the corresponding wires for the indoor and outdoor units with reference to the wiring diagram Are wires broken? N If the fault is eliminated? N Check the communication circuit of the outdoor unit If the fault is eliminated? The communication circuit is abnormal Y N Replace the main board AP1 of the outdoor unit If the fault is eliminated? N Replace the main board of the indoor unit Y Y End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tart Measure voltage at the Test 10 position as shown in the diagram with a voltmeter Value jumping N Y Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Y Value jumping N Y Fault with outdoor unit Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping End N Y Measure voltage at the Test 12 position as shown in the diagram with a voltmeter N Value jumping Y The communication circuit of the outdoor unit is normal 7URXEOHVKRRWLQJ $SSHQGL[ $SSHQGL[5HVLVWDQFH7DEOHRI$PELHQW7HPSHUDWXUH6HQVRUIRU,QGRRUDQG2XWGRRU8QLWV. 7HPSR) 5HVLVWDQFHNȍ 7HPSR) 5HVLVWDQFHNȍ 7HPSR) 5HVLVWDQFHNȍ 7HPSR) 5HVLVWDQFHNȍ 7URXEOHVKRRWLQJ 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