Haier HSU12XHK Service Manual Download Page 2

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Table of Contents

1.Introduction

...................................................................................................... 1

2.List of Functions

............................................................................................. 6

3.Specifications

................................................................................................... 7

4.Printed Circuit Board Connector Wiring Diagram

................................. 9

5.Functionsand Control

................................................................................. 10

5.1 main functions and control specifications .......................................... 10

5.2 Value of Thermistor................................................................................

6.System Configuration

.................................................................................. 24

6.1 System Configuration ............................................................................ 24

6.2 Instruction................................................................................................ 24

7.Codes and Description

................................................................................ 32

7.1 Problem Symptoms and Measures...................................................... 32

7.2 Error Codes and Description indoor display....................................... 32

8.Installation Manual of Room Air Conditioner

........................................ 35

9.Removal Procedure

...................................................................................... 39

9.1 Indoor Unit............................................................................................... 39

9.1.1 Removal of Air Filter.......................................................................... .39

9.1.2 Removal of Front Panel..................................................................... 41

9.1.3 Removal of Horizontal Flap............................................................... 43

9.1.4 Removal of Drain Pan........................................................................ 44

Summary of Contents for HSU12XHK

Page 1: ...ntain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experience...

Page 2: ...ons 10 5 2 Value of Thermistor 6 System Configuration 24 6 1 System Configuration 24 6 2 Instruction 24 7 Codesand Description 32 7 1 Problem Symptoms and Measures 32 7 2 Error Codes and Description i...

Page 3: ...n Rotor and Fan Motor 49 9 2 Outdoor Unit 51 9 2 1 Removal of Outdoor Panel 51 9 2 2 Removal of Electrical Box 55 9 2 3 Removal of Fan and Fan Motor 56 9 2 4 Removal of Fan motor bractek and Exchanger...

Page 4: ...he plug socket before disassembling 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 equi...

Page 5: ...place Using the welder 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 m...

Page 6: ...than the specified refrigerant R 410A R22 in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant...

Page 7: ...tion or fire Caution Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper installation and connections...

Page 8: ...not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damag...

Page 9: ...power blackout Make dehum iditying in the room when the unit is working in the DRY m ode Use the tim er function to set on or off or from on to off or from off to on The panel is easy to wash and the...

Page 10: ...Inches Indoor Unit e t i h W e t i h W r o l o C l e n a P t n o r F Air Flow Rate m min cfm 0 0 1 2 9 1 9 3 8 H 8 8 0 8 8 7 0 7 M 7 7 8 6 2 7 4 6 L L S Fan Type Cross Flow Fan Cross Flow Fan Motor O...

Page 11: ...n i n n u R Power Consumption Rated W 800 850 1080 1100 9 9 9 9 9 9 8 9 r o t c a F r e w o P 26 A t n e r r u c g n i t r a t S 24 1 4 x x D x W x H s n o i s n e m i D Packaged Dimensions HxWxD t h...

Page 12: ...PCB 1 CN1connector for transformer 2 CN2 connector for power line 3 CN3 connector for transformer 4 CN5 1 connector for up and down step motor 5 CN6 connector for ambient temp sensor and piping temp...

Page 13: ...unning heating mode After turning to the automation mode the running mode can be switched between cooling mode fan mode and heating mode according to the change of the indoor ambient temperature But t...

Page 14: ...s later after startup High temperature expiration protection 1 High temperature expiration prevention When the temp of coil pipe is above 161 F compressor and outlet air stop running 10 seconds later...

Page 15: ...unning for 2 minutes and then stops If changing the unit from heating to cooling the 4 way valve is shut off 2 minutes later and compressor is started 3 minutes later 5 1 5 1 Cold draf t prevetion 5 1...

Page 16: ...the temp of indoor coil pipe decreases 2 F per 6 minutes and this operation repeats 3 times and the temp of coil pipe is below 100 F and 5 minutes later after compressor is restarted 5 1 5 3 1 3 When...

Page 17: ...p 5 1 6 1 In cooling defrosting mode the temp setting increases 1 F one hour later after start up After another hour the temp setting increase by more 1 F and then run continuously for another 6 hours...

Page 18: ...memory function The memory function of power down is available and the auto recovery function of power on is optional In auto heating cooling or defrosting status press the button to enter additional...

Page 19: ...22 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 30...

Page 20: ...2 24 1034 23 2271 0 78 0 77 25 23 8050 23 0000 22 1950 0 78 0 77 26 22 7500 21 9499 21 1520 0 78 0 78 27 21 7477 20 9536 20 1638 0 82 0 81 28 20 7951 20 0081 19 2272 0 86 0 85 29 19 8895 19 1104 18 33...

Page 21: ...4 2154 3 8605 3 5312 2 53 2 35 69 4 0682 3 7216 3 4004 2 58 2 39 70 3 9268 3 5883 3 2750 2 63 2 43 71 3 7910 3 4605 3 1549 2 68 2 48 72 3 6606 3 3378 3 0398 2 73 2 52 73 3 5353 3 2201 2 9294 2 77 2 56...

Page 22: ...6 3 89 104 1 3060 1 1535 1 0176 4 42 3 94 105 1 2679 1 1188 0 9860 4 47 3 98 106 1 2310 1 0853 0 9556 4 53 4 03 107 1 1954 1 0529 0 9263 4 59 4 08 108 1 1610 1 0217 0 8980 4 65 4 13 109 1 1277 0 9915...

Page 23: ...1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294...

Page 24: ...32 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359...

Page 25: ...1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71...

Page 26: ...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 0 582...

Page 27: ...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 installation work is and however good the...

Page 28: ...ay need to be replaced Remote malfunctions can sometimes be corrected by removing the batteries for a few minutes and then replacing them 1 Mode display 2 Signal sending display 4 FAN SPEED display 5...

Page 29: ...peed Hi Under this operation mode the fan motor of indoor unit will run in high speed COOL DRY Test operation switch is the same as emergency switch Press FAN button For each press fan speed follows R...

Page 30: ...ur sleep 1 hours after SLEEP mode starts temp will become 2 lower than temp setting After another 1 hours temp decrease by 2 rises by 1 futher The unit will run for further 3 hours then stops Temp is...

Page 31: ...or a power failure happens time setting should be reset According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved 3 The cancel of the healthy air...

Page 32: ...by support located in the right side of the indoor unit using vacuum cleaner or flaping them lightly otherwise its performance will be affected the cool and dry conditions For Smart Use of The Air Co...

Page 33: ...Do not channel the air flow directly at people especially at infants or the aged Do not try to repair or reconstruct by yourself Do not use for the purpose of storage of food art work precise equipme...

Page 34: ...this noise is more noticeable will work for 3 minutes to protect the air 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...

Page 35: ...ting noise and vibrations Check the installation condition Check to make sure that the required spaces for installation specified in the Technical Guide etc are provided 7 2 Error Codes and Descriptio...

Page 36: ...the terminal of the motor CN9 or else The motor would be damaged NO Pull the sensor out of the mainboard 1 Measure the value of resistance Between its two jumpers 2 Measure the temperature at the roo...

Page 37: ...C 115VAC between the red wire and the black wire of Terminal CN9 on the indoor mainboard NO the indoor mainboard is damaged and need replace Check whether motor can run when turn on the unit the indoo...

Page 38: ...10mm and nuts rmly and horizontally When tting the unit to wall surface roof or rooftop x a supporter securely with nails or wires in consideration of earthquake and strong wind If vibration may affe...

Page 39: ...indoor unit body In order to x the body onto the mounting plate hold up the body at a slant from the underside and then put it down perpendicularly Connecting the indoor outdoor Electric Cable Removi...

Page 40: ...the drain elbow is used please attach it as gure Note Only for heat pump unit 1 Open the handle on low side of manifold and 2 operate vacuum pump If the low 3 After the completion of vacuuming close t...

Page 41: ...downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the indoor unit and is carried out surely to outdoor In case that the attached drain hose...

Page 42: ...HSU09 12XHK SM 39 9 1 1...

Page 43: ...HSU09 12XHK SM 40...

Page 44: ...val procedure of front grille Slide the front panel from one side to another to release each axis Open the front panel until it is on the horizontal position and then release the pivots on both sides...

Page 45: ...three two Removal Procedure HOOKS HSU09 12XHK SM 42...

Page 46: ...1 3 Removal of horizontal flap flap flap flap flap Removal Procedure 43 HSU09 12XHK SM...

Page 47: ...Removal Procedure 1 4 44 HSU09 12XHK SM...

Page 48: ...1 5 Removal Procedure 45 HSU09 12XHK SM...

Page 49: ...1 6 Removal Procedure 46 HSU09 12XHK SM...

Page 50: ...1 7 Removal Procedure 47 HSU09 12XHK SM...

Page 51: ...Removal Procedure 48 HSU09 12XHK SM...

Page 52: ...1 8 Removal Procedure 49 HSU09 12XHK SM...

Page 53: ...Removal Procedure 50 HSU09 12XHK SM...

Page 54: ...9 2 1 Outdoor panel 51 HSU09 12XHK SM 9 2 Outdoor unit...

Page 55: ...52 HSU09 12XHK SM...

Page 56: ...53 HSU09 12XHK SM...

Page 57: ...54 HSU09 12XHK SM...

Page 58: ...55 9 2 2 HSU09 12XHK SM...

Page 59: ...56 9 2 3 HSU09 12XHK SM...

Page 60: ...57 9 2 4 HSU09 12XHK SM...

Page 61: ...58 HSU09 12XHK SM...

Page 62: ...59 9 2 5 HSU09 12XHK SM...

Page 63: ...60 HSU09 12XHK SM...

Page 64: ...10 Appendix x i d n e p p A6 61 10 1 Piping Diagrams HSU09 12XHK SM...

Page 65: ...DIAGRAM OF SPLIT UNIT INDOOR Transformer 1 HEAT PUMP have dotted line signed GR GRAY BR BROWN W WHITE R RED B BLACK CN3 FUSE CN2 BL BL CN9 CN1 R R Note S901 3 W B 1 2 GR R BR 5 4 CN6 CN5 Motor Louver...

Page 66: ...connected block to 3 2 There are no dotted lines 1 See above for wiring of YELLOW GREEN RED WHITE BROWN BLACK BLUE CAPACITOR BL cool warm type Y G R W BR B W R B C R S TERMINAL COMPRESSOR FAN MOTOR 5...

Page 67: ...HSU12XHK DISPLAY RECEIVER 127 RQQHFWLQJ ZLUH LV VKRZQ DERYH LQFOXGLQJ GRWWHG OLQHV 7 3803 22 1 21 1R GRWWHG OLQHV PDUNHG ZLWK 5 5 5 52 1 8 7 2 5 1 7KH LRQ JHQHUDWRU PDUNHG ZLWK LV RSWLRQDO 21 1 5 725...

Page 68: ...connected block to 3 2 There are no dotted lines 1 See above for wiring of YELLOW GREEN RED WHITE BROWN BLACK BLUE CAPACITOR BL cool warm type Y G R W BR B W R B C R S TERMINAL COMPRESSOR FAN MOTOR 5...

Page 69: ...11 3 3K R56 3 3K R20 10K C1 1nF 5V R SRCK RCK SER COM 3 COM 2 GND 5V 1 2 3 4 5 6 7 8 CN7 S8B PH E8 100uF 16V 1_28_SER 1_15_R 1_22_COM2 1_25_COM3 display 1_30_SRCK 1_31_RCK R26 100 R29 100 R28 100 R30...

Page 70: ...67 HSU09 12XHK SM 0 9 9000 Applicable voltage X 115V X H K The series number H Heating pump HSU12XHK means 12000BTU...

Page 71: ...Cui Wenjuan Wang Fei Wu Hongjin Guo Liang HSU09 12XHK SM...

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