York YEHJZH 018BAMTAFX, 24BAMTAFX, YEHJYH 018BAMTA-X, 024BAMTA-X Mini-Split Air Conditioner Service Manual
Below you will find brief information for Mini-Split Air Conditioner YEHJZH 018BAMTAFX, Mini-Split Air Conditioner YEHJZH 24BAMTAFX, Mini-Split Air Conditioner YEHJYH 018BAMTA-X, Mini-Split Air Conditioner YEHJYH 024BAMTA-X. This manual provides detailed information about the functions, operation and maintenance of these mini-split air conditioners. It covers topics such as installation, troubleshooting, and repair. You can find information about the different operation modes, timer settings, and fan speeds. It also includes information about the remote control and how to use it. The manual also provides information about troubleshooting common problems. It is an essential guide for anyone who wants to properly operate, maintain and troubleshoot their mini-split air conditioner.
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Cooling Heating 11 11 9 Current (A) 8 220V 10 220V 9 8 Current (A) • Conditions Indoor : DB26.7˚C/WB19.4˚C Outdoor : DB35˚C/WB23.9˚C Indoor air flow : Turbo Pipe length : 5m 10 7 6 230V 5 4 3 7 230V 6 5 240V 4 3 240V 2 • Conditions Indoor : DB21.1˚C/WB15.6˚C Outdoor : DB8˚C/WB6.11˚C Indoor air flow : Turbo Pipe length : 5m 2 1 1 0 0 0 10 20 30 40 50 60 Compressor speed (rps) 7HFKQLFDO,QIRUPDWLRQ 70 80 90 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed (rps) 6HUYLFH0DQXDO &DSDFLW\9DULDWLRQ5DWLR$FFRUGLQJWR7HPSHUDWXUH Cooling Heating 105 110 100 100 Capacity ratio (%) Capacity ratio (%) 95 90 85 80 75 70 Conditions Indoor: DB 26.7˚C/WB19.4˚C Indoor air flow : Turbo Pipe length: 5m. 65 60 55 50 32 33 34 35 36 37 38 39 40 41 42 90 80 70 Conditions Indoor: DB21.1˚C/WB15.6˚C Indoor air flow : Turbo Pipe length: 5m. 60 50 43 40 -15 Outdoor temp. (˚C) -10 -5 0 5 7 10 Outdoor temp. 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Ɣ5HSODFHQHZEDWWHULHVRIWKHVDPHPRGHOZKHQUHSODFHPHQWLVUHTXLUHG Ɣ:KHQ\RXGRQ¶WXVHUHPRWHFRQWUROOHUIRUDORQJWLPHSOHDVHWDNHRXWWKHEDWWHULHV Ɣ ,I WKH GLVSOD\ RQ UHPRWHFRQWUROOHULVIX]]\RUWKHUH¶VQR GLVSOD\SOHDVHUHSODFH EDWWHULHV (PHUJHQF\2SHUDWLRQ ,IUHPRWHFRQWUROOHULVORVWRUGDPDJHGSOHDVHXVHDX[LOLDU\EXWWRQWRWXUQRQRUWXUQ RIIWKHDLUFRQGLWLRQHU7KHRSHUDWLRQLQGHWDLOVDUHDVEHORZ$VVKRZQLQWKH¿J 2SHQSDQHOSUHVVDX[EXWWRQWRWXUQRQRUWXUQRIIWKHDLUFRQGLWLRQHU:KHQWKHDLU FRQGLWLRQHULVWXUQHGRQLWZLOORSHUDWHXQGHUDXWRPRGH 7HFKQLFDO,QIRUPDWLRQ Signal sender Battery Reinstall Cover of battery box Remove Panel Emergency operation switch 6HUYLFH0DQXDO <9) ON/OFF 1 2 Press it to start or stop operation. ▲ : Press it to increase temperature setting. 3 MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). 4 SWING 5 Press it set swing angle. : Press it to decrease temperature setting. FAN Press it to set fan speed. 2 3 ▲ 6 1 7 TIMER OFF 4 8 CLOCK TIMER ON SLEEP TEMP TURBO X-FAN LIGHT Press it to set auto-off timer. 6 5 Press it set clock. 9 8 7 9 12 11 10 10 15 14 13 Press it to set auto-on timer. 11 12 13 Press the button left to turn X-FAN function on/off. Press the button right to turn on/off the light. 14 15 I FEEL / Press it to set HEALTH or AIR function. 29 26 28 27 25 30 24 16 23 22 17 18 19 20 16 21 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. 17 SLEEP icon : is displayed by pressing the SLEEP button. Press this button again to clear the display. 18 LIGHT icon: is displayed by pressing the LIGHT button.Press LIGHT button again to clear the display. 19 TEMP icon: Pressing TEMP button, (set temperature), (indoor ambient temperature), (outdoor ambient temperature)(Optional for some models) and blank is displayed circularly. 20 Up & down swing icon: is displayed when pressing the up & down swing button. Press this button again to clear the display. 7HFKQLFDO,QIRUPDWLRQ 6HUYLFH0DQXDO 21 LOCK icon: is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. 22 SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time. 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 AIR icon: is displayed when pressing the AIR button.Press this button again to clear the display.(Optional for some models.) 25 HEALTH icon: 26 X-FAN icon: is displayed when pressing the HEALTH button.Press this button again to clear the display. is displayed when pressing the X-FAN button. Press this button again to clear the display. 27 TURBO icon: is displayed when pressing theTURBO button.Press this button again to clear the display. FAN SPEED display: 28 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. I FEEL icon: 29 is displayed when pressing the I FEEL button.Press this button again to clear the display. 8ć Heatingicon: 30 is displayed when Pressing “TEMP” and “CLOCK” simulta-neously in Heat mode. Remote Controller Description 1 ON/OFF : Press this button to turn on the unit .Press this button again to turn off the unit. 2 ▲ Press this button to increase set temperature. Holding it down above 2 seconds rapidly increases set temperature. In AUTO mode, set temperature is not adjustable. 3 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. 4 SWING: 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: ▲ 5 : Press this button to decrease set temperature.Holding it down above 2 seconds rapidly decreases set temperature. In AUTO mode, set temperature is not adjustable. 6 FAN : This button is used for setting Fan Speed in the sequence that goes from AUTO, , , to , then back to Auto. Auto Low speed 7HFKQLFDO,QIRUPDWLRQ Medium speed High speed 6HUYLFH0DQXDO 7 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. 8 CLOCK : Press CLOCK button, blinking. 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 will be constantly displayed. 9 TIMER ON : Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply press this button again. After press of this disappears and "ON "blinks .00:00 is displayed for ON time setting. Within 5 seconds, press + or - button to adjust the time button, value. Every press of either button changes the time setting by 1 minute. Holding down either button rapidly changes the 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. 10 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. This function is available in COOL , HEAT (Only for models with heating function) mode to maintain the most comfortable temperature for you. 11 TEMP: Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit’s display. The setting on remote controller is selected circularly as below: no display When selecting " " with remote controller or no display, temperature indicator on indoor unit displays set temperature; When selecting " " with remote controller, temperature indicator on indoor unit displays indoor ambient temperature; 3s later or within 3s it receives other remote control signal that will return to display the setting temperature. Caution: •This model hasn't outdoor ambient temperature display function. While remote controller can operate " set temperature. • It’s defaulted to display set temperature when turning on the unit. • Only for the models with temperature indicator on indoor unit. "and indoor unit displays 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 X-FAN X-FAN function: in COOL or DRY mode,the icon is displayed and the indoor fan will continue operation for 2 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. function: 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 turned off, disappears. 14 I FEEL: Press this button to turn on I FEEL function. The unit automatically adjust temperature according to the sensed temperature. Press this button again to cancel I FEEL function. 15 / Press this button to achieve the on and off of healthy and scavenging functions in operation status.Press this button for the first time to start scavenging function; LCD displays“ ”. Press the button for the second time to start healthy and scavenging functions simultaneously; LCD displays“ ” and “ ” . Press this button for the third time to quit healthy and scavenging functions simultaneously. Press the button for the fourth time to start healthy function; LCD display “ ”. Press this button again to repeat the operation above. (This function is applicable to partial of models) 16 Combination of "+" and "-" buttons: About lock Press " + " and "-" buttons simultaneously to lock or unlock the keypad. If the remote controller is locked, pressing any button, blinks three times. is displayed. In this case, 17 Combination of "MODE " and "-" buttons : About switch between Fahrenheit and centigrade At unit OFF, press "MODE" and " -" buttons simultaneously to switch between ć and ̧. 7HFKQLFDO,QIRUPDWLRQ 6HUYLFH0DQXDO 18 Combination of " TEMP " and "CLOCK" buttons : About Energy-saving Function Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays “SE”. Repeat the operation to quit the function. 19 Combination of " TEMP " and "CLOCK" buttons : About 8℃ Heating Function Press “TEMP” and “CLOCK” simultaneously in HEAT mode to start 8℃ Heating Function Nixie tube on the remote controller displays “ ” and a selected temperature of “ 8℃”. (46̧ if Fahrenheit is adopted). Repeat the operation to quit the function. 20 About Back-lighting Function The unit lights for 4s when energizing for the first time, and 3s for later press. 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. ƾ 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 1m away from the TV set or stereo sound sets. 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,WPD\FDXVHFRQGHQVDWLRQDQG ZDWHUGULSSLQJ ,VWKHYROWDJHRISRZHU VXSSO\DFFRUGLQJWRWKH ,WPD\FDXVHPDOIXQFWLRQRU YROWDJHPDUNHGRQWKH GDPDJHWKHSDUWV QDPHSODWH" ,VHOHFWULFZLULQJDQG ,WPD\FDXVHPDOIXQFWLRQRU SLSHOLQHLQVWDOOHG GDPDJHWKHSDUWV FRUUHFWO\" ,VWKHXQLWJURXQGHG ,WPD\FDXVHHOHFWULFOHDNDJH VHFXUHO\" 'RHVWKHSRZHUFRUG ,WPD\FDXVHPDOIXQFWLRQRU IROORZWKHVSHFL¿FDWLRQ" GDPDJHWKHSDUWV ,VWKHUHDQ\REVWUXFWLRQ ,WPD\FDXVHLQVXI¿FLHQWFRROLQJ LQDLULQOHWDQGDLURXWOHW" KHDWLQJ 7KHGXVWDQG ,WPD\FDXVHPDOIXQFWLRQRU VXQGULHVFDXVHG GDPDJLQJWKHSDUWV GXULQJLQVWDOODWLRQDUH UHPRYHG" 7KHJDVYDOYHDQGOLTXLG ,WPD\FDXVHLQVXI¿FLHQWFRROLQJ YDOYHRIFRQQHFWLRQSLSH KHDWLQJFDSDFLW\ DUHRSHQFRPSOHWHO\" 7HVWRSHUDWLRQ 3UHSDUDWLRQRIWHVWRSHUDWLRQ Ɣ7KHFOLHQWDSSURYHVWKHDLUFRQGLWLRQHULQVWDOODWLRQ Ɣ6SHFLI\WKHLPSRUWDQWQRWHVIRUDLUFRQGLWLRQHUWRWKHFOLHQW 0HWKRGRIWHVWRSHUDWLRQ Ɣ3XWWKURXJKWKHSRZHUSUHVV212))EXWWRQRQWKHUHPRWH FRQWUROOHUWRVWDUWRSHUDWLRQ Ɣ3UHVV02'(EXWWRQWRVHOHFW$872&22/'5<)$1DQG +($7WRFKHFNZKHWKHUWKHRSHUDWLRQLVQRUPDORUQRW Ɣ,IWKHDPELHQWWHPSHUDWXUHLVORZHUWKDQć WKHDLU FRQGLWLRQHUFDQ¶WVWDUWFRROLQJ Close Open /HDNDJHGHWHFWLRQ :LWKOHDNDJHGHWHFWRU &KHFNLIWKHUHLVOHDNDJHZLWKOHDNDJHGHWHFWRU :LWKVRDSZDWHU ,IOHDNDJHGHWHFWRULVQRWDYDLODEOHSOHDVHXVHVRDSZDWHUIRU OHDNDJHGHWHFWLRQ$SSO\VRDSZDWHUDWWKHVXVSHFWHGSRVLWLRQ DQG NHHS WKH VRDS ZDWHU IRU PRUH WKDQ PLQ ,I WKHUH DUH DLU EXEEOHVFRPLQJRXWRIWKLVSRVLWLRQWKHUH VDOHDNDJH ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO 0DLQWHQDQFH )ODVKLQJ/('RI,QGRRU2XWGRRU8QLWDQG3ULPDU\-XGJHPHQW 13 Malfunction of zero-cross derection U8 Off 3s and blink 17 times 1.Power supply is abnormal The complete unit stops 2.Detection circuit of indoor control mainboard is abnormal ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Complete unit current detection malfunction U5 Off 3s and blink 13 times Off 3s and blink once (during blinking, ON 10s and Off 05s) ,QVWDOODWLRQDQG0DLQWHQDQFH Defrosting will occur in heating mode.Compressor will operate while indoor fan will stop. It’s the normal state 6HUYLFH0DQXDO ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Key test point (bottom): Test4 Test2 Test3 Test1 Test9 Test5 Tset8 Test7 Test6 Test11 Test13 Test10 Test12 ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Test point No. Test 1 Test 2 Test 3 Test 4 Test 5 Related elements Test value under normal condition Between A and C Between B and C Between D and E Between F and G Both ends of diode D10 Neutral wire, live wire Neutral wire, live wire Electrolytic capacitor of DC bas bar Electrolytic capacitor of switch power 160V-265V 160V-265V DC 180V-380V DC 180V-380V D10 (IPM module +15V) DC 14.5V-15.6V Test 6 Both ends of electrolytic C40 (+12V power) capacitor C40 DC 12V-13V Test 7 Both ends of electrolytic C82 (+5V power) capacitor C82 DC 5V Test 8 Both ends of electrolytic C225 (+3.3V power) capacitor C225 DC 3.3V Test 9 Test 10 Test 11 Test 12 Test 13 Test point Between S and T Between point N and GND U12 Between point M and GND U15 Communication circular current R78 to N terminal (ground) (signal receiving terminal of outdoor unit) Between 1 and 2 at leading foot of U12 R75 to M terminal (signal sending terminal of outdoor unit) Between 3 and 4 at leading foot of U15 DC 56V Jumping between 0V and 3.3V Jumping between 0V and 3.3V Jumping between 0V and 3.3V Jumping between 0V and 3.3V ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO 3URFHGXUHRI7URXEOHVKRRWLQJ &RQ¿UP WKH PDOIXQFWLRQ W\SH DFFRUGLQJ WR LQGRRU RU RXWGRRU PDOIXQFWLRQ LQGLFDWRU DQG PDOIXQFWLRQ VKHHW XVXDOO\ LW LV VWXFN RQ WKH HOHFWULFER[FRYHURUWKHWRSFRYHURIWKHXQLW7KHLQGLFDWRUVRIRXWGRRUFRQWUROERDUGZLOOGLUHFWO\GLVSOD\WKHFRUUHVSRQGLQJPDOIXQFWLRQ LIWKHUHLVDPDOIXQFWLRQ6RPHPDOIXQFWLRQVDUHGLVSOD\HGGLUHFWO\RQWKHLQGRRUGLVSOD\HUDQGVRPHPDOIXQFWLRQVFDQEHYLHZHGRQO\ E\UHPRWHFRQWUROOHUE\SUHVVLQJOLJKWEXWWRQIRUIRXUWLPHVZLWKLQV,QWKHEHORZPDOIXQFWLRQFKDUW³<´PHDQV³<HV´³1´PHDQV³1R´ FRQWUROERDUG$3PHDQVRXWGRRUFRQWUROERDUG %HIRUHPDOIXQFWLRQFKHFNGLVFKDUJHWKHHOHFWURO\WLFFDSDFLWRUDFFRUGLQJWRWKHPHQWLRQHGPHWKRGDQGPDNHVXUHWKHYROWDJHLVEHORZ 92WKHUZLVHLWPD\FDXVHHOHFWULFVKRFNRUEURNLQJWKHFRQWUROERDUG Malfunction indicator of outdoor unit ;7 ZLUH Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor(test 8) Voltage higher than 200V? 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 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 , until the voltage is lower than 20V N Check the connection of reactor (L in the Electrical Wiring Diagram) If the wiring of reactor L is normal? N Connect the reactor L according to Electrical Wiring Diagram correctly Re-energize and turn on the unit If the fault is eliminated? Y Y Replace the control panel AP1 N End ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Fault with outdoor unit) Malfunction indicator of outdoor unit Malfunction D5 IMP protection Out-of-step fault Compressor overcurrent D6 D16 D30 , 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 Voltage between the two ends of celectrolytic capacitoUWHVW 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 Take corrective actions according to Technical Service Manual, and then energize and start the unit. 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 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 ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Check the indoor unit in cooling mode and check in heating mode Malfunction indicator of outdoor unit check points: (including if the fan speed is too low) tube temperature sensor of indoor and outdoor unit normal Overload and high temperature protection Is outdoor ambient temperature Y in cooling mode? /Is indoor and outdoor higher than 53 ambient temperature too high in heating mode? Normal protection, please operate it after the outdoor ambient temperature is normalized. N Is heat dissipation of the indoor unit and outdoor unit abnormal? Y Improve the heat dissipation environment of the unit N 1. Check if the fan terminal OFAN is connected correctly Does the indoor and outdoor fan work normally? N 2. If the indoor and outdoor motor is broken Y Check if the temperature sensor is normal according to the Resistance Table of Tube Temperature Sensors(check outdoor tube temperature in cooling mode and check indoor tube temperature in heating mode) Y Replace the fan capacitor C1 Is the tube temperature sensor normal? Replace the outdoor fan Shut down the power and wait 20min N Replace corresponding Replace corresponding control board (replace outdoor control board in cooling mode and replace indoor control board in heating mode) tube temp. sensor End ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Fault with outdoor unit) Malfunction indicator of outdoor unit check points: ly I too much Power on the unit Is stop time of the compressor longer than 3 minutes? Restart it up after 3 minutes N Y Are the wires for the compressor(UVW) connected correctly? Is connection sequence right? Connect the wires between control N panel AP1 and compressor as per the wiring diagram Y Does the unit start up normally? Is the charge volume of refrigerant N too much? Y Charge refrigerant according to the service manual Does the unit start up normally? Y N Replace the control panel AP1 If the fault is eliminated? N Replace the compressor End ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Fault with outdoor unit) Malfunction indicator of outdoor unit check points: 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? N N Check if the fan terminal OFAN is connected correctly Replace the fan capacitor C1 Y Y Is heat dissipation of the unit Are the wires for the compressor connected correctly? Is the connection made in clockwise direction? N Y Is the input voltage normal? abnormal? N Connect the wires correctly Replace the control panel AP1 N Start the unit after input volatge is normal Replace the outdoor fan Y Is the charge volume of refrigerant too much? Y Y Improve the heat dissipation of the unit(eg. clean heat exchanger, improve ventilation, etc.) If the fault is eliminated? N N Replace the control panel AP1 Charge refrigerant according Y to the service manual Replace the compressor If the fault is eliminated? End N Y Replace the compressor End ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO Fault with outdoor unit) Malfunction indicator of outdoor unit Malfunction Overload Air exhaust D5 D6 D16 D30 check points: electronic expansion valve the electronic expansion valve overload protector the air exhaust temperature sensor damaged 20 minutes after the unit is powered off Is the overload protector SAT connected well? N Y Check if the resistance of overload protector is less than 1000ohm in ambient temp. Y N Is the terminal FA of the electronic expansion valve connected correctly? N Connect the wires correctly according to wiring diagram Y Check if the coil of electronic expansion valve is installed correctly on the valve Replace the overload protector SAT Check if the electronic expansion valve is blocked Y If the fault is eliminated? N Check if the refrigerant is leaked, if yes, recharge refrigerant Y If the fault is eliminated? N Check if the air exhaust temperature sensor is normal according to the Resistance Table N Replace the air exhaust temp. sensor Y Replace the outdoor control panel End ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO 7 Malfunction indicator of outdoor unit check points of indoor mainboard of outdoor mainboard(AP1) ed is damage? Start Did the equipment operate normally before the failure occurs? Y N Check the wiring of the indoor and outdoor units according to the wiring diagram Check if the controller connection wire inside the electric box of indoor and outdoor unit is loose Y Is the connection right? N N Correctly connect the corresponding wires for the indoor and outdoor units according to the wiring diagram If the connection wire inside electric box is normal? N Correctly connect the wires for the indoor and outdoor units according to the wiring diagram Y Check the communication circuit of the outdoor unit N If the fault is eliminated? Y If the fault is eliminated? Replace the mainboard (AP1) of outdoor unit The communication circuit is abnormal N If the fault is eliminated? Replace the mainboard of indoor unit Y Y ,QVWDOODWLRQDQG0DLQWHQDQFH End Y 6HUYLFH0DQXDO Detection process of outdoor communication circuit (refer to the outdoor key detection points) Start Test the voltage of Test 10 The value is changing N Y Test the voltage of Test 13 Y The value is changing N Y Fault of outdoor End unit Test the voltage of Test 11 The value is changing N Y Test the voltage of Test 12 N The value is changing Y Outdoor communication circuit is normal ,QVWDOODWLRQDQG0DLQWHQDQFH 6HUYLFH0DQXDO 0DLQWHQDQFH0HWKRGIRU1RUPDO0DOIXQFWLRQ $LU&RQGLWLRQHU&DQ WEH6WDUWHGXS 3RVVLEOH&DXVHV 'LVFULPLQDWLQJ0HWKRG$LUFRQGLWLRQHU6WDWXV 7URXEOHVKRRWLQJ &RQ¿UPZKHWKHULW VGXHWRSRZHUIDLOXUH,I\HV 1 R S R Z H U V X S S O \ R U S R R U$IWHUHQHUJL]DWLRQRSHUDWLRQLQGLFDWRULVQ¶WEULJKW ZDLWIRUSRZHUUHFRYHU\,IQRWFKHFNSRZHU FRQQHFWLRQIRUSRZHUSOXJ DQGWKHEX]]HUFDQ WJLYHRXWVRXQG VXSSO\FLUFXLWDQGPDNHVXUHWKHSRZHUSOXJLV FRQQHFWHGZHOO :URQJ ZLUH FRQQHFWLRQ EHWZHHQ &KHFNWKHFLUFXLWDFFRUGLQJWRFLUFXLWGLDJUDP LQGRRU 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Key features
- Cooling and Heating
- Multiple Operation Modes
- Timer Functions
- Remote Control
- Turbo Function
- X-FAN Function
- I FEEL Function
- Energy Saving Function
- 8℃ Heating Function
- Child Lock Function