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Read this manual before installation and operation

Make sure that it is well kept for later reference

SERVICE MANUAL

Mini-Split Air Conditioner

YWHJZH009/12BAMKAFX

MYHJZHAMQ-120305

Содержание YWHJXH012BAMK-FX

Страница 1: ...Read this manual before installation and operation Make sure that it is well kept for later reference SERVICE MANUAL Mini Split Air Conditioner YWHJZH009 12BAMKAFX MYHJZHAMQ 120305...

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Страница 5: ...repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lea...

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Страница 10: ...DB27 WB19 Outdoor DB35 WB24 Indoor air flow Super High Pipe length 5m Condition Indoor DB20 Outdoor DB7 Indoor air flow Super High Pipe length 5m 0 20 33 35 37 39 41 43 45 18 14 10 6 2 2 6 10 40 60 8...

Страница 11: ...HDWLQJ 10 15 20 25 30 35 40 45 50 Super High Indoor fan motor rotating speed rps Indoor Unit Outdoor Unit Noise dB A 09K 12K 30 35 40 45 50 55 Compressor speed rps Noise dB A 09K 12K High Middle Low...

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Страница 14: ...ECEIVER AND DISPLAY BOARD FAN M1 MOTOR DC MOTOR CONN WIRE YEGN 0 PE M2 M4 M3 EVAPORATOR BOARD TERMINAL RING MAGNETIC MOTOR U D2 MOTOR U D1 MOTOR L R PRINTED CIRCUIT BOARD SWING SWING LR SWING SWING UD...

Страница 15: ...YEGN W10RD W8YEGN BN BK BU YEGN W5BU W6YE W7RD N1 AC L1 4V AC L2 N2 N3 COMU W9BU EKV CN1 PE PE PE EH1 RD RD HEATER COMP HEAT N1 CHASSIS HEATER EH2 HEAT N2 HEAT L TEM SENSOR OUTROOM EXHAUST TEM SENSOR...

Страница 16: ...0 RT2 0 RT1 2 3 N 1 OFAN1 E E PE COMP U AP1 W1BN W4BK W2BU W3YEGN W10RD W8YEGN BN BK BU YEGN W5BU W6YE W7RD N1 AC L1 4V AC L2 N2 N3 COMU W9BU EKV CN1 PE PE PE 4YV COMP EH1 HEATER COMP HEAT N1 CHASSIS...

Страница 17: ...ipitation 4 5 Left and right swing 6 7 Display interface 8 Ambient temp sensor 9 Tube temp sensor 10 Outdoor unit live wire 11 12 Health 13 Fuse 14 15 Up down small swing interface Up down big swing i...

Страница 18: ...10 Live wire of 4 way valve 13 Temp sensor 2 Input of live wire of power 5 Interface 2 of electric reactor 8 Neutral wire of electric heater of compressor 11 Live wire of electric heater 14 U V W thr...

Страница 19: ...13 Temp sensor 2 Input of live wire of power 5 Interface 2 of electric reactor 8 Neutral wire of electric heater of compressor 11 Live wire of electric heater 14 U V W three phases of compressor 3 Co...

Страница 20: ...oor temperature outdoor ambient temperature displaying outdoor tempe rature if there no outdoor ambient ON OFF AUTO COOL DRY FAN only for cooling and heating unit Press this button Auto Cool Dry Fan H...

Страница 21: ...AN or HEAT mode button can turn on or turn off the Turbo TURBO button TURBO function After the Turbo function turned on the signal of Turbo will display The signal will be automatically cancelled if P...

Страница 22: ...nutes When repress this button this function will be turned off HEALTHY AND SCAVENGING BUTTON and Timer On setting Signal ON will blink and display signal will conceal the numerical section will becom...

Страница 23: ...ed 1 after that the unit will keep on running under this temperature 2 When setting the initial temperature 24 2 7 after turned on Sleep function the temperature will be increased 1 in every hour afte...

Страница 24: ...finished sleep curve setting finished at this time the remote control will resume the original timer display temperature 88 will display the corresponding temperature of last setting sleep curve and b...

Страница 25: ...n to set the desired temperature It is unnecessary to set the temp 2 Press MODE button select desired running mode Note When it is powered on the guide louver of main unit will close automatically 1 A...

Страница 26: ...on will be attached and stared different Quiet status could be optional and turned off Fig 1 Fig 2 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless r...

Страница 27: ...2 2 1 Dry Conditions and Process 2 3 Heating mode not available for cooling only type 2 3 1 Heating conditions and process When Tamb Tpreset 2 the unit starts heating operation In this case compresso...

Страница 28: ...ill operate at cooling mode the default set temperature is 25 2 5 2 When Tamb 21 the unit will operate at heating mode the default set temperature is 20 if the cooling only unit operates at fan mode t...

Страница 29: ...door fan will operate at low speed Note The switchover among superhigh speed high speed medium speed and low speed requires minimum 210seconds of operation 2 7 4 In this mode set temperature will be a...

Страница 30: ...tus while cold plasma and static dedusting will be forced to be turned on and other loads will be turned off Then the complete unit will be turned off When X FAN function is set to be off once pressin...

Страница 31: ...to position O to close air outlet If swing function has not been set after startup of the unit horizontal louver will turn clockwise to position D in HEAT mode or turn clockwise to level position L i...

Страница 32: ...cording to the temperature sensed by the air conditioner If I FEEL function is not selected the ambient temperature will be that sensed by the air conditioner Ambient temperature of I FEEL displayed b...

Страница 33: ...ature point in heating 6 2 Under this mode the temperature setting range is 16 30 7 Defrosting control heating mode 7 1 If it turns to defrosting time and it detected that the defrosting temperature i...

Страница 34: ...operation frequency of compressor may decrease or increase 14 2 If 17A IAC current the system will stop operation because of overcurrent the complete unit can resume operation only after the compresso...

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Страница 37: ...cm Above 15cm Above The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts Space to the wall 200cm Above 30cm Above Space...

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Страница 48: ...r with one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted Is there sho...

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Страница 50: ...Is malfunction eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace the main board with the same model It s the malfunction of main board Replace the main...

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Страница 52: ...atching jumper cap No Is the jumper cap inserted incorrectly or improperly Re insert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated Yes No No...

Страница 53: ...6TQWDNGUJQQVKPI RPPXQLFDWLRQ PDOIXQFWLRQ Indoor unit communication indicator sketch...

Страница 54: ...e replacement Please take following test before maintenance a Test if the FUSE1 is short circuit if so please replace the fuse tube with same model b Energize and see if the buzzer could buzz normally...

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Страница 57: ...circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the...

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Страница 59: ...ween the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Techn...

Страница 60: ...minal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 20min Replace cont...

Страница 61: ...connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop time is not enoug...

Страница 62: ...f the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the radiating of u...

Страница 63: ...EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth lead foot is simila...

Страница 64: ...rt circuit and replace it Y Re energize the unit and start it Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Replace the reactor Re energize the unit...

Страница 65: ...ation circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control board AP1 voltage Che...

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Страница 69: ...www johnsoncontrols com Doc No MYHJZHAMQ 120305 2012 Johnson Controls Inc Johnson Controls reserve the right to change product features without prior notice...

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