S
ERVICE
MANUAL
High Wall Fixed
R-410A
6
0Hz
YH9F
X
C
12
BAH-
-
FX
Read this manual before installation and operation
Make sure that it is well kept for
later
reference
Страница 1: ...SERVICE MANUAL High Wall Fixed R 410A 60Hz YH9FXC12BAH FX Read this manual before installation and operation Make sure that it is well kept for later reference...
Страница 2: ...Specifications 7 4 Sensors list 8 5 Pinping diagrams 9 6 Printed Circuit Board Connector Wiring Diagram 10 7 Functions and control 13 8 System configuration 26 9 Dimensional drawings 33 10 Center of g...
Страница 3: ...the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspe...
Страница 4: ...er in an enclosed room can cause oxygen deficiency 1 1 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate...
Страница 5: ...r fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can d...
Страница 6: ...can enter the room and wet the furniture and floor 1 1 3 Inspection after Repair Warning Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet al...
Страница 7: ...check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor 1 1 4 Using Icons Icons are used to attract the attention...
Страница 8: ...design The panel is easy to wash and the airflow vents can be detached easily Child lock Avoid the child s wrong operation on the remote controller 3D air flow The 3D airflow is able to deliver the a...
Страница 9: ...d e t a R n o i t p m u s n o C r e w o P 1 25 W W P O C S R E E S 0 1 6 1 h m l a v o m e R e r u t s i o M TECHNICAL SPECIFICATIONS m m D H W s n o i s n e m i D m m s n o i s n e m i D d e g a k c...
Страница 10: ...Downward Air filter Removable Washable Mildew Proof Temperature control Microcomputer Control A H L Y l e d o m r e l l o r t n o c e t o m e R Note the data are based on the conditions shown in the...
Страница 11: ...Piping diagrams Domestic air conditioner 5 Pinping diagrams 9...
Страница 12: ...load 1 2 3 4 5 6 7 8 9 connector for transformer input connector for terminal block connector for transformer output connector for ambient temp sensor and piping temp sensor connector for receiver dis...
Страница 13: ...CN3 CN2 CN1 CN5 1 CN502 CN8 CN48 CN6 CN7 Connector Wiring Diagram 11 Domestic air conditioner Connector wring diagram...
Страница 14: ...R DISPLAY CN7 SW1 EMERGENCY SWITCH ION GENERATOR R W LEFT RIGHT STEP MOTOR CN4 TRANSFORMER FUSE FAN MOTOR R C0N2 C0N3 AMBIENT TEMP SENSOR PIPING TEMP SENSOR R RED BR BROWN B BLACK BL BLUE W WHITE Y G...
Страница 15: ...ording to the determined mode Tr in the following selection conditions means room temperature Ts means setting temperature Tp means temperature of indoor coil pipe a Tr 23 running cooling mode b Tr 23...
Страница 16: ...e through the remote controller and the machine can be shut down immediately Avoiding electrical shock outlet air is available 2 seconds later after startup High temperature expiration protection 1 Hi...
Страница 17: ...ressor must be started again 3 minutes later after shut down Avoiding electrical shock outlet air is available 2 seconds later after start up Timer on Timer off and sleep control are available Control...
Страница 18: ...ntized defrosting and others with sensor defrosts according to sensor defrosting Intelligentized defrosting 7 1 5 3 1 1 Indoor unit enter overload protection and air outlet stops when air outlet has b...
Страница 19: ...p are set synchronously the one which time is short run first Executing shutdown instruction clear timer and sleep function 7 1 6 3 Timer on and timer off can be set synchronously 7 1 7 Sleep function...
Страница 20: ...status press the sleeping button 10 times within 5 seconds and the auto recovery function of power on can be set on off If the buzzer rings 4 times the the auto recovery function of power on is avail...
Страница 21: ...65 84 1185 1 40 1 32 1 92 5551 85 9574 79 7322 1 38 1 30 0 87 4712 81 3697 75 6011 1 36 1 29 1 82 6970 77 0544 71 7088 1 34 1 27 2 78 2118 72 9937 68 0402 1 31 1 25 3 73 9966 69 1712 64 5813 1 29 1 23...
Страница 22: ...921 11 2459 10 6218 1 35 1 31 42 11 4113 10 7775 10 1665 1 39 1 34 43 10 9526 10 3311 9 7330 1 43 1 38 44 10 5147 9 9056 9 3204 1 48 1 42 45 10 0967 9 4999 8 9275 1 52 1 45 46 9 6976 9 1130 8 5532 1 5...
Страница 23: ...85 2 3602 2 1231 1 9075 3 38 3 07 86 2 2846 2 0530 1 8426 3 43 3 12 87 2 2118 1 9856 1 7803 3 48 3 16 88 2 1416 1 9207 1 7204 3 54 3 20 89 2 0740 1 8582 1 6628 3 59 3 25 90 2 0089 1 7981 1 6074 3 64...
Страница 24: ...3392 111 8256 1 89 1 71 26 130 2371 117 4366 105 7989 1 87 1 70 25 122 8484 110 9627 100 1367 1 85 1 69 24 115 9272 104 8882 94 8149 1 83 1 67 23 109 4410 99 1858 89 8106 1 81 1 66 22 103 3598 93 830...
Страница 25: ...03 1 01 14 16 6711 15 9601 15 2657 1 01 0 99 15 15 9366 15 2770 14 6315 0 98 0 96 16 15 2385 14 6268 14 0271 0 96 0 94 17 14 5748 14 0079 13 4510 0 93 0 92 18 13 9436 13 4185 12 9017 0 91 0 90 19 13...
Страница 26: ...1 85 57 3 1969 2 9935 2 8005 2 00 1 89 58 3 0919 2 8922 2 7029 2 04 1 93 59 2 9909 2 7948 2 6092 2 08 1 97 60 2 8936 2 7012 2 5193 2 13 2 01 61 2 8000 2 6112 2 4328 2 17 2 05 62 2 7099 2 5246 2 3498...
Страница 27: ...9232 0 8319 0 7489 4 01 3 64 99 0 8983 0 8088 0 7275 4 07 3 69 100 0 8741 0 7863 0 7067 4 12 3 74 101 0 8507 0 7646 0 6867 4 18 3 78 102 0 8281 0 7436 0 6672 4 23 3 83 103 0 8061 0 7233 0 6484 4 29 3...
Страница 28: ...now a clever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However go...
Страница 29: ...cator White light for COOL DRY mode Green light for health function 1 2 3 5 8 5 6 4 7 front panel Front panel Horizontal louver Air Filter inside 7 Adjust up and down air flow Don t adjust it manually...
Страница 30: ...itch in the test operation when the room normal operation your finger from the switch the cooling Continue to press the test operation switch for more than 5 seconds After you hear the Pi sound twice...
Страница 31: ...an use this function In COOL mode fan speed automatically takes high speed of AUTO fan mode In HEAT mode fan speed automatically takes medial speed of AUTO fan mode You can use this function when sile...
Страница 32: ...pper If the right and left filters are not attached correctly that may cause defects Remote Controller Do not use the following for cleaning Do not use water wipe the controller with a dry cloth Do no...
Страница 33: ...truct by yourself Do not use for the purpose of storage of food art work precise equipment breeding or cultivation CAUTION Take fresh air occasionally especially when gas appliance is running at the s...
Страница 34: ...immediately until 3 minutes have Cautions 3 If the fuse of indoor unit on PC board is it with the type of T 3 15A 250V outdoor broken change it with the type of T 25A 250V Do not obstruct or cover the...
Страница 35: ...Service Diagnosis 33 Domestic air conditioner 9 Dimensional drawings 10 Center of gravity 120mm 240mm 200mm 280mm 855mm 3 5 95 3mm 200mm 855mm 320 4mm 280mm 115 4mm 120mm...
Страница 36: ...e None of the units operates Check the power supply Check to make sure that the rated voltage is supplied Check the indoor PCB Check to make sure that the indoor PCB is broken Equipment operates but d...
Страница 37: ...t a r e p o n o i s i c e D Conditions Note The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor Faulty PCB Troubleshooting Caution Be sure to turn off...
Страница 38: ...to determine MCU Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Faulty EEPROM data Causes Faulty EEPROM Faulty PCB Troublesho...
Страница 39: ...aulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well...
Страница 40: ...2 3 4 JP3 TJC8 04 SW1 TSVC 1 E11 100uF 25V R74 1K 1 2 3 4 5 CN12 B5B PH K 5V C21 100nF C31 100nF C34 100nF C35 1nF 1 13 BUZZ 1 14 POW 2 POWER_ON 12V 1 16 VSP 1 26 PG BACK 1 26 PG BACK 1 17 RSTEP_B 1 1...
Страница 41: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FXCAH 151103 12...
