Johnson Controls York YH9FXC12BAH-FX Service Manual Download Page 21

Functions and control

19

Domestic air conditioner

-19 

273.6494 

246.2437 

221.3111 

-1.76 

1.60 

-18 

256.7445 

231.4612 

208.4122 

-1.74 

1.59 

-17 

240.9897 

217.6590 

196.3462 

-1.72 

1.57 

-16 

226.3000 

204.7662 

185.0545 

-1.70 

1.56 

-15 

212.5973 

192.7176 

174.4829 

-1.68 

1.54 

-14 

199.8093 

181.4531 

164.5813 

-1.66 

1.53 

-13 

187.8698 

170.9169 

155.3033 

-1.64 

1.51 

-12 

176.7176 

161.0578 

146.6059 

-1.62 

1.49 

-11 

166.2961 

151.8284 

138.4495 

-1.60 

1.48 

-10 

156.5532 

143.1847 

130.7973 

-1.58 

1.46 

-9 

147.4409 

135.0863 

123.6153 

-1.56 

1.44 

-8 

138.9148 

127.4956 

116.8717 

-1.53 

1.43 

-7 

130.9337 

120.3778 

110.5374 

-1.51 

1.41 

-6 

123.4597 

113.7009 

104.5852 

-1.49 

1.39 

-5 

116.4577 

107.4349 

98.9897 

-1.47 

1.38 

-4 

109.8953 

101.5523 

93.7278 

-1.45 

1.36 

-3 

103.7422 

96.0274 

88.7774 

-1.43 

1.34 

-2 

97.9708 

90.8365 

84.1185 

-1.40 

1.32 

-1 

92.5551 

85.9574 

79.7322 

-1.38 

1.30 

87.4712 

81.3697 

75.6011 

-1.36 

1.29 

82.6970 

77.0544 

71.7088 

-1.34 

1.27 

78.2118 

72.9937 

68.0402 

-1.31 

1.25 

73.9966 

69.1712 

64.5813 

-1.29 

1.23 

70.0335 

65.5716 

61.3188 

-1.27 

1.21 

66.3062 

62.1807 

58.2405 

-1.24 

1.19 

62.7992 

58.9853 

55.3351 

-1.22 

1.17 

59.4984 

55.9729 

52.5917 

-1.20 

1.15 

56.3905 

53.1320 

50.0006 

-1.17 

1.13 

53.4631 

50.4521 

47.5523 

-1.15 

1.11 

10 

50.7048 

47.9230 

45.2384 

-1.13 

1.09 

11 

48.1049 

45.5355 

43.0505 

-1.10 

1.07 

12 

45.6534 

43.2808 

40.9813 

-1.08 

1.04 

13 

43.3410 

41.1509 

39.0236 

-1.05 

1.02 

14 

41.1592 

39.1381 

37.1708 

-1.03 

1.00 

15 

39.0998 

37.2355 

35.4167 

-1.00 

0.98 

16 

37.1553 

35.4363 

33.7555 

-0.98 

0.96 

17 

35.3186 

33.7344 

32.1818 

-0.95 

0.94 

18 

33.5833 

32.1240 

30.6905 

-0.93 

0.91 

19 

31.9432 

30.5997 

29.2769 

-0.90 

0.89 

20 

30.3925 

29.1565 

27.9365 

-0.88 

0.87 

21 

28.9259 

27.7895 

26.6651 

-0.85 

0.84 

22 

27.5383 

26.4944 

25.4589 

-0.83 

0.82 

23 

26.2252 

25.2670 

24.3140 

-0.80 

0.80 

Summary of Contents for York YH9FXC12BAH-FX

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 11: ...Piping diagrams Domestic air conditioner 5 Pinping diagrams 9...

Page 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...

Page 13: ...CN3 CN2 CN1 CN5 1 CN502 CN8 CN48 CN6 CN7 Connector Wiring Diagram 11 Domestic air conditioner Connector wring diagram...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 41: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FXCAH 151103 12...

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