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Functions and control

25

82 1.4562 1.3308 1.2151 

-3.17 

2.93 

83 1.4139 1.2910 1.1776 

-3.22 

2.97 

84 1.3730 1.2525 1.1415 

-3.27 

3.01 

85 1.3335 1.2153 1.1066 

-3.32 

3.06 

86 1.2953 1.1794 1.0730 

-3.38 

3.10 

87 1.2583 1.1448 1.0405 

-3.43 

3.15 

88 1.2226 1.1113 1.0092 

-3.48 

3.19 

89 1.1880 1.0789 0.9789 

-3.53 

3.24 

90 1.1546 1.0476 0.9497 

-3.58 

3.28 

91 1.1223 1.0174 0.9215 

-3.64 

3.33 

92 1.0910 0.9882 0.8942 

-3.69 

3.37 

93 1.0607 0.9599 0.8679 

-3.74 

3.42 

94 1.0314 0.9326 0.8424 

-3.80 

3.46 

95 1.0030 0.9061 0.8179 

-3.85 

3.51 

96 0.9756 0.8806 0.7941 

-3.90 

3.55 

97 0.9490 0.8558 0.7711 

-3.96 

3.60 

98 0.9232 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 

3.88 

104 0.7848 0.7036 0.6303 

-4.34 

3.92 

105 0.7641 0.6845 0.6127 

-4.40 

3.97 

106 0.7441 0.6661 0.5957 

-4.46 

4.02 

107 0.7247 0.6482 0.5792 

-4.51 

4.07 

108 0.7059 0.6308 0.5632 

-4.57 

4.12 

109 0.6877 0.6140 0.5478 

-4.63 

4.16 

110 0.6700 0.5977 0.5328 

-4.69 

4.21 

111 0.6528 0.5820 0.5183 

-4.74 

4.26 

112 0.6361 0.5667 0.5043 

-4.80 

4.31 

113 0.6200 0.5518 0.4907 

-4.86 

4.36 

114 0.6043 0.5374 0.4775 

-4.92 

4.41 

115 0.5891 0.5235 0.4648 

-4.98 

4.45 

116 0.5743 0.5100 0.4524 

-5.04 

4.50 

117 0.5600 0.4968 0.4404 

-5.10 

4.55 

118 0.5460 0.4841 0.4288 

-5.16 

4.60 

119 0.5325 0.4717 0.4175 

-5.22 

4.65 

120 0.5194 0.4597 0.4066 

-5.28 

4.70 

Summary of Contents for YH9FXH24BAH--FX

Page 1: ...SERVICE MANUAL High Wall Fixed R 410A 60Hz YH9FXH24BAH FX Read this manual before installation and operation Make sure that it is well kept for later reference...

Page 2: ...ns 7 4 Sensors list 8 5 Piping 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 gravity 33 11...

Page 3: ...t 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 inspecting the ci...

Page 4: ...osed 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 tools to cond...

Page 5: ...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 damage the cab...

Page 6: ...he 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 all the way If...

Page 7: ...ainage 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 of the reader...

Page 8: ...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 airflow horiz...

Page 9: ...u s n o C r e w o P 2 5 W W P O C S R E E S 0 1 6 2 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 a P G K t h g i e W G K...

Page 10: ...e Washable Mildew Proof Temperature control Microcomputer Control A H H 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 table below h t g n e l g n i...

Page 11: ...Piping diagrams 5 Piping diagrams 9...

Page 12: ...nnect with load 1 2 3 4 5 6 7 8 CN1 CN17 CN23 CN501 CN6 CN7 CN48 CN9 connector for power line N connector for power line L connector for compressor control connector for up and down step motor connect...

Page 13: ...Connector Wiring Diagram 11 Connector wring diagram CN17 CN7 CN48 CN6 CN501 CN23 CN9 CN1...

Page 14: ...2 Wiring Diagrams 1 225 5 1 5 0 up down stepmotor 1 1 5 DC FAN MOTOR 0 1 86 1 left stepmotor 1 SW1 1 PIPE TEMP SENSOR 1 1 W OR BR Y G 1 7 9 1 AMBIENT TEMP SENSOR 21 1 5 7 25 EMERGENCY SWITCH RECEIVER...

Page 15: ...e 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 running hea...

Page 16: ...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 High temperatur...

Page 17: ...e 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 of 4 way val...

Page 18: ...sting 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 been restarte...

Page 19: ...nchronously 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 the timer i...

Page 20: ...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 available If the b...

Page 21: ...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 4 70 0335 65...

Page 22: ...0 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 56 1 49 47 9 3...

Page 23: ...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 3 29 91 1 94...

Page 24: ...6 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 8305 85 1031 1 8...

Page 25: ...6 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 3431 12 8572...

Page 26: ...969 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 2 22 2 09 63...

Page 27: ...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 88 104 0 784...

Page 28: ...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 good the instal...

Page 29: ...on mode indicator 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...

Page 30: ...this switch 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 soun...

Page 31: ...ng sleep mode adapted to the automatically selected operation mode O C O C 1 POWER Operation 2 SOFT Operation Press POWER SOFT button again POWER or SOFT disappears To cancel POWER or SOFT operation N...

Page 32: ...hind the stopper 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...

Page 33: ...air or reconstruct 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 run...

Page 34: ...conditioner 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...

Page 35: ...Service Diagnosis 33 9 Dimensional drawings 10 Center of gravity 243mm 366mm 1115mm 95 3mm 243mm 1115mm 320 4mm 366mm 115 4mm 98mm 98mm 515mm 834mm...

Page 36: ...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 does not cool...

Page 37: ...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 power switch...

Page 38: ...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 Troubleshooting Caution...

Page 39: ...r 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 Electrify...

Page 40: ...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 18 RSTEP_C R40 1K1 19...

Page 41: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FXHAH 151103 24...

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