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service manual - Haier.com Worldwide

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2. CNST Ce CNS CN9 5 Black 1 e L 9 0 Li 44225126027 12 e o e e RD 20 4 s 125 250
3. 81 Haier Domestic Air Conditioner Step Points 3 Loosen the screws of
4. MODULE BOARD CN6 CN9 CNB ACL CN11 CN10 CN1 CN7 ju CN5 CN4CN3CN2 PFC REACTOR p 1 S BL OR Hs 2 1 22 ene P CN2 PE ECH 24 23 z SSN oN C R MAIN CONTROL BOARD 1 7 2 9 E 4 es 44415 ACH ACL O 2 ESE oa CN8 CN9 mmm 2 k 3 3A ee NI scou 000 OND g et FUSE CN16 CN20 CN19 CN18 CN17 n L pj Ad Taan 1 m mu SE GND gt lt M to single way LI BL BE AC FAN MOTOR 2 S g E E air exchange motor 1 o 1 7 ELECTRIC 2 2 2 Electric vee EXPANSION VALVE a Es 2 Heating Cable E S 4 WAY VALVE 5 EIS 188 B BLACK W WHITE n 515 RED Y G YELLOW GREEN Remark the dotted parts are BL BLUE OR ORANGE optional for different unit 90 Haier 2 DC FAN MOTOR
5. HT N 1 11 4 Pull and remove the front panel CDI OD C3 C3 C3 9 S Haier Domestic Air Conditioner Haier HSU 12HEG03 R2 DB SM Removal Procedure 9 10 Removal of Electrical Box Procedure AN Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work SS NES SS G 47 N MES OS wx SRY CLC C3 C35 C3 C3 Ih 1 Remove the fixing screws Then lift the electrical box Crd ARM Haier Domestic Air Condit
6. m R 0 004 R W 5 1 us O CON003 CNOO1 ANTON _ 001 R SE 5 A 7 N CON15 E CN002 K ie l DC OCON6 CON14 EN gt AMBIENT TEMP SENSOR n A 1 PIPING TEMP SENSOR swi EMERGENRY SWI SWITCH CON2O 15A 250VAC CONGO CNII d O CON9 coja ENZO nen did MN N32 DISPLAY PANEL ee CN92 LOUVER MOTOR CN32 Y G Ye 4 DISPLAY BOARD 1 N BOS CO Double way air exchange NOTES THE PARTS OF DOTTED D AND ARE OPTIONAL REMOVAL OF THE SOCKET CONNECTOR THE UNIT WITHOUT THE HEALTH FUNCTION HAS NOT A Socket connector marked with has lock catch when removing press the lock catch and pull Fa RED BLACK dra W WHITE BL BLUE Y YELLOW BR BROWN LOCK CATCH Y G YELLOW GREEN Se 89 Haier Domestic Air Conditioner Haier 10 2 Outdoor unit HSU 12HEG03 R2 DB SM OUTDOOR WIRING DIAGRAM
7. 2 Cut down the conecting pipe and pull out the compressor and remove the valve ___ S bracket CG Lee UI UC UC UC US US LC UN LCE 1 87 Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Haier Removal Procedure 3 Loosen the marked fixing screw 7 ho ho d LE gt 4 Loosen the hook and remove the heat exchanger 88 Haier Domestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM Wiring Diagrams 10 Wiring Diagrams 10 1 INDOOR UNIT
8. B careful not to cut your finger by the fins of the heat exchanger 1 Loosen the screw of the stop valve cover Pull down the stop valve cover and remove it m The stop valve cover is united with the shelter m When assembling make sure to fit the 5 hooks 80 Haier Domestic Air Conditioner Haier 8012 3 208 5 RemovalProcedure 2 Remove the panels Loosen the service cover screw and remove the service cover 2 Loosen the 4 screWs and lift the top panel
9. 1 Loosen the marked screws under the screw covers 2 Lift up the lower part of the grille to release the hook on the upper backside 3 Rotate the upper part of the grille to release the hook on the lower back side Pull out the drain pan 13 Haier Domestic Air Conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 9 5 Removal of Vertical Blades and Swing Motor Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work B Remove the assembly of the outlet grille 1 Remove the vertical blades 1 Push the hooks on the back of the vertical blades and remove m BAR bt 14 Haier Domestic Air Conditioner
10. Cautions e When adjusting the flap by hand turn off the unit e When humidity is high condensate water might occur at air outlet if all vertical louvers are adjusted to left or right e t is advisable not to keep horizontal flap at downward position for a long time in COOLor DRY mode otherwise condensate water might occur Note When restart after remote turning off the remote controller will automatically memorize the previous set swing position Domestic air conditioner Haier Operation Sleep Operation Before going to bed you can simply press the SLEEP button and unit will operate in SLEEP mode and bring you a sound sleep Pm TOY i e S c de wl Use of SLEEP function After the unit starts set the operation status then press SLEEP button before which the clock must be adjudted and time being set Operation Mode 1 COOL DRY mode 1 hours after SLEEP mode starts temp will become 1 C higher than temp setting After another 1 hours temp rises by 1 C futher The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your slee
11. Step 1 2 way valve Liquid Side 3lway valve Gas Side Gaugemanifold for R410A Anti countercurrent joint 4 4 4 6 6 6 666 6 4 4 2 valve Step 6 2 Valve 3 way valve 2 way valve 3 way valve lt Valve rod cap Se Valve rod cap Service port cap CAUTION the refrigerant of the air conditioner leaks it is necessary to discharge all the refrigerant Vacuumize first then charge the liquid refrigerant into air conditio ner according to the amount marked on the name plate Please do not let other cooling medium except specified one R410A or air enter into the cooling circulation system Otherwise there will be abnormal high pressure in the system to make crack and lead to personal injuries Power Source Installation The power source must be exclusively used for air conditioner Over 10 Inthe case of installing an air conditioner in a moist place please install an ea rth leakage breaker For installation in other places use a circuit breaker as far as possible Cut
12. Haier HSU 1ZHEGU3 R2Z UB SM Removal of procedure 9 6 Removal of Electrical Box Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work B Remove the front grille B Discharge the static 1 Remove the electrical electricity from your body box before touching the electrical parts like signal receiver PCB It may cause malfunction of 1 Loosen the screw of the E PER EEE EEE Uu d drip proof plate III FAK 22 da Que a pa When assembling insert the tu um left hook of the drip proof TH TH 22225 400 A 440404 044004 00444444 100 100404 d 10004044 a 4 EES 40444444 0 41004440 _ NEO
13. urgent switch 5V ES iy 8 R1 Comment 10k EEPROM Note3 R53 R6 R16 R18 R17 R21 m GND swi 5 R30 R29 select accoding to diaplay d IR FN l O1 26 4 SWITCH R2 oiu 10K 10K For change E JTP1288LA bu Comments 1K 4 E AR TIM Comment oliur Te omne N CHECK S TIME o EE CN48 RST 1K A PEE MODE 6 SDA 0 1uF mom FSV 2 25 1037 e AT24C02B a mills B2B XH A R Red JP2 EF DIG MODE 53 1009 1 45V GE IE je DIGL R6 1000 note2 5 1 5 48 select one DIGH R16 ul _ Jg 0 2 1000 5605 x R10 TJC8 02 28228 Jo 1uF 0 10 0 1uF 1 10 R11 2 Note R54 R63 R85 R86 is used for display selection RST 4 5R103 20k SER R18 1000 5600 4 ve K 5 D 68102 10k Ri 17 1000 5600 4 14 R23 Ch R85 10 2 7 e 869 2 25 35 SRCK R21 1000 5600 4 10K 0 1uF 1 8 eR 2K IR 4 H lii 54 10 100uF 16V 105 e 5 R31 1K E sl 61 sw2 eng 5y R62 10k Display 0011800184 0033 R63 10K b n EK R86 10K 8 Et 3 pcm i Bed reset circuit FSV 8 ROOM e R24 e S N 24 CONI6 R36 7T ZR 15V black m R71 it R25 1K RST R39 pg BACK FCRAOMG ER R27
14. wiring Diagrams 001052790 4 NU Y NY 21 WARNING CAUTION than DC 10V before start servicing DON T TOUCH CAPACITOR EVEN AFTER PLUG OFF DANGER OF ELECTRIC SHOCK The capacitor retains high voltage even after the plug off For your safety be sure to wait at least 5 minutes after plug off and use a tester to confirm the voltage between connector P and N on module board is less D LED1 Flash escription Times Outdoor EEPROM error 1 The protection of IPM 2 Overcurrent protection 3 of AC electricity Communication fault 4 between the IPM and CBD Over pressure or Overheat 5 protection for the compressor Power voltage is too high or low 6 Overheat protection for 8 exhaust temperature Frost removing temperature 10 sensor failure Ambient temperature sensor failure 12 Exhaust temperature sensor failure 13 Deviate from the normal 18 for the compressor Loop of the station detect error 19 Overcurrent of the compressor 24 Overcurrent protection for 25 single phase of the compressor Domestic Air Conditioner Hoier suremecosraoeysM na Diagrams 11 Circuit Diagrams 11 1 INDOOR UNIT IR CN32
15. 9 9 In case of gas leakage tighten parts of pipe connection If leakage stops then proceed 6 steps If it does not stop gas leakage discharge whole refrigerants from the service port After flaring work again and vacuumize fill up prescribed refrigerant from the gas cylinder rere 6 Detach the charge hose from the service port open 2 way valve and 3 way Turn the valve rod anticlockwiseuntil hitting lightly 7 To prevent the gas leakage turn the service port s cap the valve rod s cap for 2 wa valve and 3 way s a little more than the point where the torque increases suddenly
16. A Ti Tst_i Tnh_i the indoor environment temperature Pi i the ability of the indoor unit Refrigeration dehumidification The percentage of the 50 70 100 rated frequency P 22 dief omestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM Wiring Diagrams AT 41 1 2 3 a Wes mode The percentage of the 50 70 100 140 160 rated frequency P K Ki the number of running machines The indoor set Breeze Low Medium High Strong Quiet Healthy Gel Hai a The percentage 65 70 90 100 180 65 70 of the rated frequency Ki The calculation of the actual output frequency when there is no healthy airflow F ED xP XK When the healthy airflow has been set F ED lt P XK airflow speed healthy airflow When refrigerating it is needed to satisfy MIN lt lt When heating it is needed to satisfy lt lt MA X r 5 2 2 The outdoor fan control exchange fan When the fan is changed among every airflow speed including stop blowing in order to avoid the airflow speed from skipping frequently it must be kept under each mode for over 30 seconds and then it can be changed to another mode when refrigerating the time is changed to 15 seconds 5 2 2 1 The outdoor fan control when refrigerating or dehumidifying After the compressor is started for 5 seconds the outdoor fan is started at the medium speed
17. E P1 ole ts Tee p gt R6 28 1037 ZZ22t EE E 560 Ie Ve O CN33 Te ne TEST SS ill zn a A FUCTION TEST White 54 4 R19 47 t E2203 C3 12V IC4 L7805CV 5V 5 102 100 1 3 e DS 1 10 MBR3100 ER302 451 CY8 E7 1 8 R2 BB 2 09 222 ADAKV 470U 25V 104 50 1 0 5 a Comment 100 04 6 2 3 9 e D10 5 e e O 5 ER106 5VD m 104 275V ke CNY ez o gt a D7 L3 55 ZD1 A 6 MBR1100 SB1100 20UH 1A da IN5948B R24 S T R29 pe TOR 11720116 CY9 5 1K 1 470U 25V 47 1000 16 00 SLS 222 250 R25 5 220 220 9 e e e 0 10K 2 7 RIS 47 R90 0 C2 15V 6 5 d 02 100V 5 D9 e 1 4 5 4 MUR115 MUR130 ER106 e R17 srap E4 CO TER CA NCP1200P100 470U 25V 104 50V 330 1W R26 R15 7 15 e e m P MI 22 1255 R32 10K IRFUC20 Pt e ee o 1C3 R30 R31 TLA31C 6 103 50V gt y T 104 50 RI6 2 1W 3 A 2 e 92 Domestic Air Conditioner witing Diagrams CN26 P 250 Connector R23 220K 2W B LXD 6800 400 450 6800 400 450 105 275 LED2 POWER 250 Connector CN24 N 11 2 2 module board Circuit Diagram L iens 414 D
18. Place nearby a power receptacle with enough space around Refer to drawings Place where the distance of more than Im from televisions radios wireless apparatuse In the case of fixing the remote controller on a wall place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened Before inserting power plug into receptacle check the voltage without fail Outdoor Unit The power source is the same as the corresponding name plate Install an exclusive branch circuit of the power Place which is less affected by rain or direct sunlight and is sufficiently ventilated Place possible to bear the unit where vibration and noise are not increased receptacle shall be set up in a distance where the power cable can be where discharged wind and noise do not cause a nuisance to the neighbors reached Do not extend the cable by cutting it Place where a distance marked lt gt is available as illustrated in the above figure Drawing for the installation of indoor and outdoor units The models adopt HFC free refrigerant R410A Attention must be paid to the rising up of drain hose more than 5 Optional parts for piping A Non adhesive tape Adhesive tape Saddle L S with screws Connecting electric cable for indoor and outdoor Drain hose Heating insulating material G Piping hole cover more than 10cm
19. rag ELT F27 7 Cempresserislockotororstoptmomenfany F4 8 g Overheat protection for exhaust temperature Page 57 9 Outdoor DC fan motor fault Page 54 Frost removing temperature sensor failure Page 51 Suction temperature sensor failure Page 51 Ambient temperature sensor failure Page 51 10 Exhaust temperature sensor failure Page 51 Outdoor Malfunction nm deviate from the normal for the compressor Page 62 Loop of the station detect error Page 62 Overcurrent of the compressor of the Overcurrent of the compressor Page 63 SSES Overcurrent protection for single phase of the Page 63 compressor Middle part of condenser temperature sensor failure 50 Haier Domestic Air Conditioner 7 3 1 Thermistor Related Abnormality Indoor Display E1 Room temperature sensor failure E2 Heat exchange sensor failure Outdoor display LED1 flash 10 times Defrost temperature sensor failure LED1 flash 11 times Suction temperature sensor failure LED1 flash 12 times Ambient temperature sensor failure LED1 flash 13 times Discharge temperature sensor failure Method of The temperatures detected by the thermistors are used to determine thermistors errors Malfunction Detection Malfunction When the thermistor input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions Note The values vary slightly in some models Supposed m Faulty con
20. HSU 12HEGO3 R2 DB SM Wiring Diagrams The frequency limitation of modification rate In the field which is controlled by high frequency if the modification rate is not high enough the control driven chip will enter into weak magnetic control this will help to relieve the problem of modification rate during the course of weak magnetic control the modification rate 1 still not high enough enter into the control of decreasing frequency until the alarm of modification rate 1 relieved Temperature protection of the outdoor refrigerating coil When the defrosting temperature and the sensor s temperature are higher than 65 the frequency of the compressor decreases 1hz 10seconds Keep the frequency until it decreases to the lowest frequency When the temperatures are lower than 65 and higher than 60 C keep the frequency of the compressor When the temperatures are lower than 60 C relieve the defrosting temperature protection Malfunction display and malfunction handling a For the complete appliance s malfunctions If there s malfunction with the outdoor unit the light of the outdoor unit will flash and its frequency is 1HZ the number of times is according to the table when a round of flashing is finished the light shoud be off for 5 seconds b For the units malfunctins Annex 1 If there s malfunction with the units this will not affect the run of the complete appliance but this can be displayed by the malfunction light the
21. e When the emergency operation switch is pressed the Pi sound is heard once which means the start of this operation e When power switch is turning on for the first time and emergency operation starts the unit will run automatically in the following modes Room Designated Timer Fan i EE operation switch temperature temperature mode speed Le Below 23 C elt is impossible to change the settings of temp fan speed is also not possible to operate in timer or dry mode Test operation Test operation switch is the same as emergency switch Use this switch in the test operation when the room temperature is below 16 C do not use it in the normal operation Continue to press the test operation T EN switch for more than 5 seconds After c K you hear the Pi sound twice release d your finger from the switch the cooling operation starts with the air flow speed Hi Under this operation mode the fan motor of indoor unit will run in high speed Air Flow Direction Adjustment 1 Status display of air flow Pos 1 Pos 2 Pos 3 m 4 ho Pos 5 Pos 6 Le Auto swing 2 Left and right air flow adjustment manual Move the vertical blade by a knob on air conditioner to adjust left and right direction referring to Fig E ud
22. 2 CND 7 FT CN11 ous 11 3 a d Ww CND 15 88 ON EN UJ O Z O 1 cor CN12 Ee aob LI LII qa 6 gg 16 OS E S R017 J R007 C R005 CNS SE Sr CNA ROSS 60 CN3 5 R230 RO10 5 T p CN1 R226 PES ca OE NL Lai Spe SS e IE CO36 B 8888 Sen LIE 2005006V10 13 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams o Funcitions and Control 5 1 Main functions and control specification of indoor unit 5 1 1 Automatic operation When the running mode is turned to automation after starting the system the system will first determine the running mode according to the current room temperature and then will run according to the determined mode Tr in the following selection conditions means room temperature Ts means setting temperature Tp means temperature of indoor coil pipe Tr223 C Choose Cooling Mode 22 Choose 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 the automatic conversion between cooling mode and heating mode must be conducted after 15 minutes 5 1 2 Cooling operation mode Temperature control range 16 30 Temperature difference 1 LC Cont
23. Air Flow Rate m min cfm Type Cross Flow Fan Fan Motor Output VV 16 Speed 4 Steps Silent Auto Air Direction Control Right Left Horizontal Downward Filter Removable Washable Mildew Proof Running Current Rated A 0 15 0 15 Power Consumption Rated VV 33 33 Power Factor 96 96 Temperature Control Microcomputer Control Dimensions HxW xD inches 36 13 14 X 10 3 7 X7 1 3 Packaged Dimensions HxW xD inches 40 X 14 1 6 X11 92 95 W eight los 23 1 Gross Weight 6 27 6 OperationSound H M L dBA 42 39 34 Sound Power H dBA 52 7 Outdoor Unit Casing Color W hite Type rotary Compressor Compressor Model DAGSO9X1C 20FZ Motor Output VV 690 ESTER OIL 74 RefrigerantOil EE Charge pints 0 65 Model R410a Refrigerant E EE EE EO 8 Charge los 2 4 Air Flow Rate m min 33 3 33 3 H L cfm 1175 1175 Type Propeller Fan Motor Output 40 Running Current Rated A 4 1 4 3 Power Consumption Rated VW 920 960 Power Factor 95 97 Starting Current A 6 Dimensions HxWxD inches 25 12 61 x 30 5 7 x 9 2 3 Packaged Dimensions HxWxD inches 28 1 9 X 36 3 5 X13 27 70 W eight los 78 3 Gross Weight los 84 9 OperationSound H L dBA 53 53 Sound Power H dBA 63 63 Note The data are based on the conditions shown in the table below Indoor 27 CDB 19 CWB Indoor 20 CDB Outdoor 35 CDB 24 CWB Outdoor 7 CDB 6 CWB 16 2 5 feet Btu h kW x3414 cfm m minx35 3 Dome
24. Faulty insulation can cause an electrical shock Be sure to 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 Haiet Domestic Air Conditioner HSU 12HEG03 R2 DB SM Haier List of Functions 2 List of Functions Anti mold filter Catches most small particles and remove unpleasant odors effectively The setting temprature and the indoor noise can be adjusted to a more comfortable level when you set the sleep mode during night sleep dehumidification Note Y Holding Functions N No Functions Sleep mode Aaa DomesticAir Conditioner Haier 50121 09 2 5 Gpectoegom HSU 12HEGO3 R2 DB Model Cooling Heating KWV 3 5 1 4 3 9 3 7 1 5 4 1 Capacity Rated Min Max Btu h 11950 4780 13300 12630 5120 13990 kcal h 3010 1204 3354 3182 1290 3526 Moisture Removal pints hr 2 82 Running Current Rated A 4 1 4 3 Power Consumption Rated W 920 350 1350 70 1350 Min Max 960 370 1350 Power Factor 96 97 COP Rated Min Max VN AN 3 8 3 85 o Liquid inches 1 4 Piping SEENEN Gas inches 3 8 Connections m Drain inches poe Heat Insulation Both Liquid and Gas Pipes Max Interunit Piping Length feet 49 1 5 Max Interunit Height Difference feet 32 4 5 Chargeless feet 22 28 29 Amount of Additional Charge of OZ Inches 0 018 Refrigerant Indoor Unit Front Panel Color W hite
25. R28 IE joe CN26 2 4 7 1 4 7K 1 4 7UF 50V otor dut R58 2 7K 777 e 014 10 R9 iok 10nF 10nF E5 otor PG 1 D TLP421 eg 4 7uF 50V 15V USTEP 10K Y USTEP 10 R92 R95 7 14 74 50 105 USTEP C 10k FK EE woo USTEP_D x ROOM 2K PG OUT R67 2K 200 10mm black lt IS IL A R48 R100 2 7 45V 847 B2B XH A Green 14 R57 Pa SR R61 R46 46 SRCK OluF N8 012 10 NN 3900 FLZ 20 45 R93 10K 2SC2412K 10K Q luF R68 4 2 CHECK S TIME 21 44 DIG C45 4 PG OUT 22 43 DIGL Room Card 0 luF 10 1 R55 10K 23 42 DIG MODE S TEST MPG BACK 24 24 R51 10K25 LED1 li 2005 105 Red NET RX E 4 10K SETP_MOTOR 10mm Re 8 4 2 12V E Oe SWITCH 28 37 REMOTE TX D i R77 10K 29 36 USTEP D R70 1K 2 R78 10K 30 35 FK USTEP C 2 ik 3 4 RES uu Te ME REMOTE RX R45 10k 31 34 875 10K USTEP B n76 4 1 remote com DoK R44 10K 32 33 R41 10K IK 5 CN36 REMOTE l BUZZ IK 6 R38 10nF R5F212A7SNFA NFLZ R81 7 2 e e e NI 8 CN11 12V 10K 28 2412 45V 82 gt EET R83 23 Oe 3308 T N2 eau 888 eg zz TBV EE HE sua 28 2412 SS net com 10K HXF 12 s 1 bh CN34 10nF R87 47K N4 SD R56 5V R74 28 2412 Air fres Wed 4 e 1
26. RI 400N 100 1W 2 El RVI E 1 0 3 TIA 250V 28C2412K 514350 225275 2 a 250754 N4 e e e e e e 8 29 30 31 e 4 8 e Kl CN3 SAI pes S S S S s SS SH2V e 8 Yellow G 2 5140350 814 50 2 S 5 5 5 5 LE w TONY E 47 13 D6 TK PE RA 362M IE AA T 1 5 SS 12V 5A 892H N HLAC C 12V 5A 892HCC CWIF rris cuz 2 25 80 I2V SA 892H N LAC C IPV SA 892H N TACC 8 isv isv 323 aie f Sia us Dot Qn C23 24 25 Ge ni Ua 5 Jr eme 8 10450 al Ce 15V 5V R92 0 amp z R34 a 1C8 Comment 2SG2412K d E 3E12 Ee E 10705 5 4 K y MM 3 4 5 K ma R 330 1W 3 r 2 330 ESSE s t org m PC817A R39 o gt w gt fowsv E9 1 4 UK EE MURS 5 GEED 15 ue vi RAT IK E TI eem i 102 50 m E s L xn NC 2 23 Sten HE Terminal PRan E Valve select R86 88 va d ae 19 ICM 2 Na sin 104 50 M fe QE i 4 A md RAT TERI Hi CN7 f 2K 2W TLP851 PC851 330 ENE 2 ER dis Ee COM 1N4007 R43 om ee Em 7 s tm ES 22 1 IC10 R104 S lE 5 l 5 L3 2 vi K 3 el 2 120 P es FLASH LP421 PS2561 m 25 Comment 17 R67 R68 R6 S R7 CN23 em mere 2 ne ES 45V 5V E S gg EBERT p 84777 R97 OK R95 Com with Module 10 1 a
27. plate into the hem plate of A the heat exchanger 19 Haier Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 9 7 Removal of Heat Exchanger Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work B You can detach the indoor unit without removing the assembly of the outlet grille AN Caution If gas leaks repair the spot of leaking then collect all refrigerant from the unit After conducting vacuum drying recharge proper amount of refrigerant AN Caution Do not contaminate any gas including air other than the specified refrigerant R410A into refrigerant cycle Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries ES jet ES Sia Loosen the screws fixed to the installation plate Ue 2 Loosen the marked hooks Loosen the marked screws and remove mounting plate Pay attention so that the resid
28. 5 power plug inserted e 5 there a power failure Is fuse blownout e Is the air filter dirty Normally it should be cleaned every 15 days e Are there any obstacles before inlet and outlet e 5 temperature set correctly e Are there some doors or windows left open e Is there any direct sunlight through the window during the cooling operation Use curtain Are there too much heat sources or too many people in the room during cooling operation Introduction Cautions e Do not obstruct or cover the ventilation grille of the air conditoner Do not put fingers or any other things into the inlet outlet and swing louver e Do not allow children to play with the air conditioner In no case should children be allowed to sit on the outdoor unit Specifications e The refrigerating circuit is leak proof The machine 1 adaptive in following situation 1 Applicable ambient temperature range Maximum D B W B 32 23 Indoor Minimum D B W B 21 15 Cooling Maximum D B W B 439 269 Outdoor Minimum DB 18 Maximum D B 27 0 C Maximum D B W B 24 C 18 C Minimum D B W B 7 8 Outdoor Maximum D B W B 24 18 INVERTER Minimum D B 15 C Indoor Outdoo 2 If the power supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person 3 If the fuse of indoor unit on PC board is broken please change it wi
29. Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams mem _ em ww ss 3 em wm sw 9 _ x me mes _ mem mes sm Ww _ am meme 5 _ s me wwe ww m m mk 12 wem _ mem 0 _ mmm _ mem 9 _ 2 32 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams ses _ asse om 29m 5 29 awe xe _ owm os 09 Haier Domestic Air Conditioner gt mk HSU 12HEGO3 R2 DB SM Wiring Diagrams o _ o 3 39 wm sme 39 3 x sw 3 os wes sw 39 emm omw ow eme wes ems 39 34 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams Discharging Sensor R80 C 50 2 3 B25 80 C 4450 3 Max KQ Normal KQ Min KQ Tolerance C emm 0 a xe zen meme _ mw mem men xe _ s mee mm _ 35 Haier D
30. Coding rules of Unit Model 94 Domestic Air Conditioner 1 Introduction 1 1 Safety Cautions Be sure to read the following safety cautions before conducting repair work The caution items are classified into Warning and Caution The Warning items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms A This symbol indicates an item for which caution must be exercised The pictogram shows the item to which attention must be paid O This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near the symbol After the repair work 15 complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer 1 1 1 Caution in Repair Warning Be sure to disconnect the power cable plug from the 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 equipment to conduct the repair or inspecting the ci
31. NO Measure the voltage between 1 and 3 of the terminal of fan motor on the mainboard about DC310V Measure the voltage between 3 and 4 of the terminal about DC15V Measure the voltage between 5 and 3 of the terminal about Measure the voltage between 3 1 6v and 6 of the terminal about 0 5v The motor of the outdoor unit is The mainboard of the outdoor unit damaged and needs replacing is damaged and needs replacing 54 Haier Domestic Air Conditioner 7 3 4 IPM protection Outdoor display LED1 flash 2 times Indoor Display 1 Method of IPM protection is detected by checking the compressor running condition and so on Malfunction Detection Malfunction The system leads to IPM protection due to over current Decision The compressor faulty leads to IPM protection Conditions Circuit component of IPM is broken and led to IPM protection Supposed m IPM protection dues to the compressor faulty Causes m IPM protection dues to faulty PCB of IPM module Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Turn off the power check if the compressor wiring connected ok or not Disconnect the wiring Yes Check the IPM module NO Change the IPM module Yes Test the resistance values among Phases U V and W of compressor If the resistance is 10 0 Replace the com
32. insert objects into the air cord in a bundle the power supply cord inlet or outlet Do not start or stop the Do not to repair Connect the earth operation by disconnecting at people especially at infants or reconstruct by yourself sable the power supply cord the aged AC 0 5 2 5 Do not use for the purpose of storage of Take fresh occasionally especially Do not operate the switch with food art work precise equipment when gas appliance is running at the wet hand breeding or cultivation same time Gu di 572 j STRICT PROHIBITION SS ENFORCEMENT PROHIBITION Do not install the unit near a fireplace Check good condition of the Do not pour water onto the unit or other heating apparatus installation stand for cleaning Ac 7 j 4 b F R gt d 4 M H gt O RO TEEF 222 2 4 PROHIBITION PROHIBITION PROHIBITION Do not place animals or plants in Do not place any objects on or Do not place flower vase or water the direct path of the air flow climb on the unit containers on the top of the unit CS PROHIBITION _ PROHIBITION PROHIBITION Haier Domestic air c
33. light flashing frequency is 0 5HZ the number of times is according to the malfunction table of the indoor units When a round of flashing is finished the light shoud be off for 10 seconds Then report according to the order unit A unit B unit C unit D that is if there s malfunction with several units then just report the indoor unit with the highest priority level Among the unit malfunctions the priority level of the communication malfunction is the highest for others that appears first will have the priority Remarks in 3 minutes when the compressor stops the units malfunctions are not displayed the complete appliance s malfunctions are prior to the units malfunctions Annex 1 Malfunction codes of the whole unit Remarks under the mode of refrigeration the malfunctions of each unit s thin pipe temperature sensor are not reported under the mode of heating the malfunctions of each unit s thick pipe temperature sensor are not reported Indoor Outdoor displaying LED1 flash fault description panel code times Indication F12 Outdoor EEPROM error 2 5 cjs Overa protecion for oxtaustlemperaure O I O E7 N N Domestic Air Conditioner HSU 12HEG03 R2 DB SM Wiring Diagrams 9 Loop of the station detect error High work intense protection Overcurrent of the compressor las Overcurrent protection for single phase of the compressor 36 The socket protect 5 3 Value of Th
34. of defrosting four way valve control see the defrosting process Four way working in other ways Under the mode of heating open the four way valve when the compressor is not started or changed to non heating mode make sure the compressor is stoped for 2 minutes and then close the four way valve Protection function TTC high temperature preventing protection Once the machine is started it can run TTC overheating protection of air blowing but air blowing sensor malfunction must alarm after 4 minutes during which the compressor is started during the course of self detection there s no such limitation Sensor detection methods 100 times one cycle of procedure run is one time and about 5ms detection method for each time continuously sampling for 8 times then order them and take the mean value of the middle 2 values take the mean value TTO CC Abnormal stop Decreasing the frequency rapidly 1HZ second Decreasing the frequency slowly 1HZ 10seconds The frequency doesn t change Increasing the frequency 1HZ 10second Increasing the frequency 1HZ 1second gt 110 lasts for 20 seconds Overheating protection of air blowing alarm malfunction to the indoor others don t last 24 aier omestic Conditioner Haier HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 2 5 2 TC high temperature preventing control of the indoor heating unit indoor is the highest value of the effective indoor unit st
35. on the mainboard after connecting the system to the power circuit The CPU of the main control will be 60 times faster 5 2 The control system of outdoor unit 5 2 1 The operation frequency of outdoor unit and its control 5 2 1 1 The operation frequency control of compressor The operation frequency scope of compressor Minimun operation frequency Maximun operation frequency 5 2 1 2 The starting of compressor When the compressor is started for the first time it must be kept under the conditions of 58Hz 88Hz for one minute the overheating protection of the outdoor unit air blowing temperature immediately decrease the frequency when the compressor is overflowing and releasing the pressure then it can be operated towards the target frequency When the machine runs normally there s no such process After starting the compressor for operation the compressor should run according to the calculated frequency and every determined frequency for protection should be prior to the calculated frequency 21 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 2 1 3 The speeds of increasing or decreasing the frequency of the compressor The speed of increasing or decreasing the frequency rapidly 1 1HZ second The speed of increasing or decreasing the frequency slowly 2 1HZ 10seconds 5 2 1 4 The calculation of the compressor s frequency 1 The minimum maximum frequency limitation A While
36. perpendicularly mounting plate e When you unload the indoor unit please use your hand to arise the body to leave agraffe p then lift the bottom of the body outward slightly and lift the unit aslant until it leaves the mounting plate mounting plate Connecting the indoor outdoor Electric Cable e Remove terminal cover at right bottom corner of indoor unit then take off wiring cover by removing its screws When connecting the cable after installing the indoor unit 1 Insert from outside the room cable into left side of the wall puse unum hole in which the pipe has already existed 2 Pull out the cable on the front side and connect the cable AN making a loop When connecting the cable before installing the indoor unit Insert the cable from the back side of the unit then pull it out on the front side Loosen the screws and insert the cable ends fully into terminal block then tighten the screws Pull the cable slightly to make sure the cables have been properly inserted and tightened e After the cable connection never fail to fasten the connected cable with the wiring cover When connecting the cable confirm the terminal number of indoor and outdoor units carefully If wiring is not correct proper operation can not be carried out and will cause defect Note Domestic air conditioner Indoor unit Power cable gt 3G1 5mm Outdoor unit HSU 07HVA103 R2 D
37. refrigerating F M A X is the maximum operation frequency of the compressor F MIN is the minimum operation frequency of the compressor While heating d is the maximum operation frequency of the compressor 4 is the minimum operation frequency of the compressor 1 The frequency limitation which is affected by the environment temperature Wh_c environment temperature Heating mode men LT Remarks the above are the maximum frequency limitations of the complete appliance which are affected by the environment and they have nothing to do with the ability of the indoor unit Refrigeration dehumidification mode Temperature scope Frequency limitation Wh_c lt 28 Max hz1 45HZ Wh_c lt 32 22 72HZ Wh c 40 Max hz3 80 HZ Wh c 48 Max hz4 65 HZ Wh c248 25 50 HZ Remarks the above are not only the maximum frequency limitations of the complete appliance which are affected by the environment but also the maximum ability limitation of the system When the starting ability is not the maximum its maximum frequency limitation is calculated by the following equations The frequency limitation which is affected by the temperature and under the condition of actual ability the actural running system ability the maximum frequency which is limited by the temperature and under the condition of maximum ability the maximum designing ability of the system
38. seal are not integra installed properly water can enter the room and wet the furniture and floor S units only 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 the plug has dust or loose connection it can cause an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Warning Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Haier Domestic Air Conditioner 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 can cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 ohm or higher
39. 0K A 892N 1AC Q B GND p i 202 R97 1000 RLS4148 FLZ RX 1000 ii Whit dl e e e 0 sre gt CONS 1 2 3 4 FR106 1A 800V 500ns 005 006 EE VCC CON003 Roo9 ZD003 E007 200 10mm Black E006 1N4746M18V1 10uF 25V 105 C D002 Ld 1N5399 310 1OuF 25V 108 C 1 5K 1 4W D NTCOO1 4 275 D Sa SCK084R72 C008 C005 CUNQOT Sara L7805CV 1 5A Need radiator H 25 15 ED 2 2nF 250V 2 2nF 250V ES p 0 1uE 275VAC C001 D008 0 LuF 5 TI CON002 2003 6 90 ER302 3A 200V 50ns _ GND BLACK 290VN 0007 5 H ONRC OEZ 106 1A 800V 500ns gt 109 1 4W 222222 E004 E005 80 5mm Red Bladc 41 109 1 4W 1000uF 25V 105 C 2 220uF 16V 25V 105 C Switch power 1 E SED ZD002 E002 1N4742 K12V1 W 422uF 25V 105 C E This Switch powersupply is designed for 12W A 10002 421 C 10 1 2W A TuF 50V 105 C RTB 1 52P B L FUSEI CN30 5V B o LB2271 32mH 0 35 A 2 2 250 S i R13 CONI 13 15 250 Blak OVAC 7 D11 R14 R90 YY C CONI3 COMM TX EEN 1 3 1 4007 N 1 Q TVR14561 EE E LC E CON2 CR 47K 2W E4 ZDI T I EN o E N 100uF 50V 105 C cid R22 220uF25V 105 C R19 TIP421 2K 1 4W EE 3 0 luF Int 10 CONT 2 12V Ms ROS COMM A 1 pa 5 154007 2K2W 80 5mm Red Blac
40. 2 DB SM Wiring Diagrams 2 Fixed heating a under code condition high speed heating set 30 press temperature key and the set key at the same time The system will enter the fixed frequency operation after the buzzer rings twice b The proceeding programs are as the follows Entering the fixed frequency operation you can set the fixed strength location 1 and send the heating signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow directin board can be switched to the maximal position C Quitting condition The fixed frequency heating can be quitted after receiving the remote signal and the system will enter the remote setting status 5 1 19 Test program First connect the test program terminal on the mainboard then connect the system to the power circuit The test program will operate as follows series display The buzzer rings for one time the signal will be sent to outdoor system for 0 5 second the violet is sent for 0 5 the background light turns to white the back ground light turns to white the background light turns to white the background light is fully lighted for 0 5 second LED screen lights for 0 5 second the step in motor fully output for 0 5 second then the motor doesn t output for 0 5 second the motor fully output again for 0 5 second The test program finishes 5 1 20 Time cutting function connect the test program terminal
41. 8 9 e FLZ WHIT SCH RED CON7 ES EA C 4F NS R12 701 ER AHG1008V3 0 10 Haier Domestic Air Conditioner 4 2 outdoor unit Connectors PCB 1 Control PCB 1 CN1 CN2 Connector for power N and L 2 CN3 Connector for ground 3 CN22 Connector for DC POWER 15Vand to the module board 4 CN9 CN8 Connector for CN2 CN1 on the module board 5 CN21 Connector for fan motor 6 CN10 Connector for four way valve coil 7 CN17 CN18 CN19 CN20 Connector for thermistors 8 CN23 Connector for communicate between the control board and the module board 9 CN26 CN24 Connector to P and N of the module board 10 CN4 Connector for communicate between indoor and outdoor unit 11 CN16 Connector for electric expansion valves Note 09K series needn t connect with CN16 and CN18 PCB 2 module PCB CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board CN1 N CN5 Connector for capacitance board LI CN7 LO CN6 Connector for reactor CN2 CN3 CN4 Connector for the U V W wire of the compressor Note Other Designations PCB 1 Control PCB 1 FUSE 1 25A 250VAC FUSE 2 1A 250VAC 2 LED 1 keep light representative normal if keep flash interval representative trouble Alarm 3JRV1 RV2 RV3 Varistor 11 Haier HSU 12HEGO3 R2 DB SM Wiring Diagrams PCB 1 CN26 CN24 CN23 CN22 Haier HSU 12HEGO3 R2 DB SM Connector Wring Diagram
42. Arrangement of piping directions Rear left Floor fixing dimensions of the 22 Rear outdoor unit Unit mm right Right Below more than more than 10cm di O The marks from A to G in the figure are the Fixing of outdoor unit Fix the unit to concrete or block with bolts 10mm and nuts firmly and horizontally when fitting the unit to wall surface roof or rooftop fix a supporter surely with nails parts numbers O The distance between the indoor unit and the floor should be more than 2m or wires in consideration of earthquake and strong wind If vibration may affect the house fix the unit by attaching a vibration proof mat more than 60cm more than15cm Please be subject to the actual product purchased the above picture is just for your reference Read this manual before installation Explain sufficiently the operating means to the user according to this manual NO 0010531115 64 Haier Domestic air conditioner Haier Accessory parts Remote controller 1 R 03 dry battery 2 Drain hose 1 Cushion 4 Mounting plate 1 CTUM Drain elbow 1 Plastic cap 4 04 25 Selection of pipe Liquid pipe 0 NOTE The thickness of the pipe must be 0 8mm at least Pipe supporting plate 1 2 6 35mm 1 4 9 52mm 3 8 Indoor unit Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is fi
43. B HSU 09HVA103 R2 DB HSU 12HVA103 R2 DB Power cable gt 3G1 5mm HUMOZHAO3 R2 DB 50 09 03 2 0 HUMO9HAO3 R2 DB HSU 12HEA03 R2 DB HUM12HA03 R2 DB HSU 09HEAO03 R2 DB I HUMO9SHBOS R2 DB 50 12 03 2 0 E HSU 12HEA03 R2 DB A EAD HSU 09HEGO3 R2 DB HSU 12HEGO3 R2 DB Indoor unit Outdoor unit Power cable gt 3G1 5mm HSU 09HA103 R2 DB HSU 12HA103 R2 DB power el ej 1 2 8 le Outdoor unit Connecting wiring 4G1 5mm HFU 09HA03 R2 DB HFU 12HA03 R2 DB Haier 66 HSU 12HEGO3 R2 DB SM Installation 1 If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similar qualified person The type of connecting wire 1 HO5RN F or HO7RN F 2 If the fuse on PC board is broken please change it with the type of T 3 15A 250VAC Indoor T 25A 250VAC Outdoor 3 The wiring method should be in line with the local wiring standard 4 After installation the power plug should be easily reached 5 A breaker should be incorporated into fixed wiring The breaker should be all pole switch and the distance between its two contacts should be not less than 3mm Outdoor unit Installation of Outdoor Unit Install according to Drawing for the installation of indoor and outdoor units Connection of pipes To bend a pipe give the roundness as large as possible not to crush the pi
44. ER ON OFF TIMER OFF ON Then select your desired TIMER mode TIMER ON or TIMER OFF or TIMER ON OFF or gag will flash 3 Press TIME TIME button to set time It can be adjusted within 24 hours 4 After setting correct time press SET button to confirm Em or waa on the remote controller stops flashing 5 Cancel TIMER mode Just press TIMER button several times until TIMER mode disappears Hints After replacing batteries or a power failure happens time setting should be reset Remote controller possesses memory function when use TIMER mode next time just press SET button after mode selecting if time setting is the same as previous one According to the Time setting sequence of TIMER ON or TIMER OFF either Start Stop or Stop Start can be achieved Healthy airflow Operation 1 Press ON OFF to starting Setting the comfort work conditions 2 The setting of healthy airflow function 1 Press the button of healthy airflow appears on the display Horizontal airflow sending Avoid the airflow blows direct to the body 2 Press the button of healthy airflow again L appears on the display Downward airflow sending Avoid the airflow blows direct to the body 3 The cancel of the healthy airflow function Press the button of healthy airflow again the unit goes working under the condition before the setting of healthy airflow function Notice Do not direct the flap by hand Otherwise the grille will run i
45. ERE EN LR Haier Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 9 8 Removal of Fan Rotor and Fan Motor Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Remove the right side plate 1 Loosen the 2 screws 2 Remove the fixing plate 78 Haier Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure Step Procedure Points 3 Remove the fan 1 Loosen the marked screw 2 Lift up the right part of the fan motor and slide it to the rightward to remove 3 Lift up the right part of the fan and remove it 79 alef Domestic air conditioner Haiet HSU 2HEGOS RADBy lt SM Procedure Outdoor unit 9 9 Removal of Outdoor panel Procedure AN Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work
46. Haier SERVICE MANUAL Order No AC1204S002V0 Wall mounted Type DC Inverter EK Series Model No HSU 12HEG03 R2 DB EK3 we EK1 indoor unit and remote controller outdoor unit AWARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain 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 experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death 2012 Qingdao Haier Air Conditioner General corp Ltd All right reserved Unauthorized copying and distribution is a violation of law Haier Group Table of Contents le CUTS d Le 1 2 List of FUNCTIONS 6 3 Specifications EE 7 4 Printed Circuit Board Connector Wiring Diagram 9 5 Functions IA 14 9 1 main functions and control specifications of indoor unit 14 5 2 main function and control specification of outdoor unit 21 5 3 Value of Thermistor 00 00 0 00 2 ed 28 6 System Co
47. O fan mode 2 SOFT Operation You can use this function when silence is needed for rest or reading In SOFT operation mode fan speed automatically takes low speed of AUTO fan mode Note During POWER operation in rapid HEAT or COOL mode the room will show inhomogeneous temperature distribution Long period SOFT operation will cause effect of not too cool or not too warm To cancel POWER or SOFT operation Press POWER SOFT button again POWER or SOFT disappears HEALTHY Operation Healthy Negative ions The anion generator in the airconditioner can generate a lot of anion effectively balance the quantity of position and anion in the air and also to kill bacteria and speed up the dust sediment in the room and finally clean the air in the room About UV light degerming function UV light emitted by the UV light device of the indoor unit catalytically activates the nano TiO2 on the multi lights touching intermediary and the degerming effect is highly efficient and lasting Note when the function is running don t open the inlet grille Domestic air conditioner Haier Operation Timer On Off On Off Operation Set clock correctly before starting TIMER operation 1 After unit starts select your desired operation mode 2 Press TIMER button to change TIMER mode Every time the button is pressed display changes as follows Remote controller 200 200 AQ ES eno TIMER ON TIMER OFF TIM
48. The position of the compressor rotor can not detected normally Malfunction Detection Malfunction When the wiring of compressor is wrong or the connection is poor Decision or the compressor is damaged Conditions Supposed m Faulty The wiring of compressor Causes m Faulty compressor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Within 3 minutes after the machine is supplied with power and turned 1 The wiring of compressor is on with the remote controller the incorrect or the connection is compressor could not start up Poor 2 The compressor is damaged At first the compressor start up soon YES IPM Module is damaged and the compressor stopped with the LED1 needs replacing on the outdoor PCB blinks 1 2 for 18 19 times Malfunction unsolved The Malfunctions exist also The compressor is damaged Replace a new one 62 Haier Domestic Air Conditioner 7 3 11 Over current of the compressor Outdoor Display LED flash Indoor Display F22 LED1 flash 24 Indoor Display F2 LED1 flash 25 Indoor Display F23 Method of The current of the compressor 1 too high Malfunction Detection Malfunction When the IPM Module is damaged Decision Or the compressor is damaged Conditions Power supply voltage is too low or too high Supposed m Faulty IPM Module Causes Faulty compressor
49. acket 85 Haier Domestic Air Conditioner Haier Step G 3 Loosen the 2 screws 4 The partition plate has a hook on the lower side Lift and pull the partition plate to remove 5 Loosen the marked fixing screws Haier CM CMM CAM EN ER EN EN HSU 12HEG03 R2 DB SM 86 Removal Procedure Points m When assembling fit the lower hook into the bottom frame Domestic Air Conditioner Haier HSU 12HEGO3 R2 DBySM___________ RemovalProcedure 9 13 Removal of compressor and heat exchanger Procedure Warning sure to wait 10 minutes or more after tu before disassembling work 1 Loosen the marked screw
50. air flow og amp 9 1 Mode display 5 Horizontal flap adjust up and down air flow Don t adjust it manually Please be subject to the actual produce purchased the above picture is just from your reference Haier 41 Operation mode SMART AUTO COOL HEAT 2 Signal sending display 3 SWING display 4 FAN SPEED display 41 TT LO MED HI 5 LOCK display 6 TIMER OFF display TIMER ON display 24 EXTRA FUNCTION button 25 CANCEL CONFIRM button Used to timer and clock settings 26 RESET button When the remote controller appears abnormal use a sharp pointed article to press this button to reset the remote Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Introduction Parts and Functions Outdoor Unit 1 OUTLET 3 CONNECTING PIPING AND ELECTRICAL WIRING 2 INLET DRAIN HOSE Please be subject to the actual produce purchased the above picture is just from your reference 42 Loading of the battery 1 Remove the battery cover 2 Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Be sure that the loading is in line with the 4 Load the battery then put on the cover again Note The distance between the signal transmission head and the rece iver hole should be within 7m without any obstacle a
51. art it and it is in accord with the running state The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger If the temperature is higher than 55 decrease the rotate speed of the compressor do the high temperature preventing protection of the indoor heat exchanger if the temperature of the indoor heat exchanger is lower than 47 C recover to the normal control The compressor stops Fgh t1 65 C N Decreasing the frequency rapidly Fgh 2 59 C P Decreasing the frequency slowly Fgh 19 550 Fgh t3 2 Fgh t4 2 Q Prohibiting increasing the frequency Fgh 14 51 C R Increasing slowly Fgh 45 47 C Fgh_t5 2 Normal N Decreasing at the speed of 1HZ 1 second P Decreasing at the speed of 1Hz 10 seconds Q Continue to keep the last time instruction cycle R Increasing at the speed of 1Hz 10seconds Remarks the outdoor unit 5 2 5 3 The control of preventing the overcurrent of the compressor During the starting process of the compressor if the curren of the compressor is greater than 17A for 3 seconds stop the compressor and alarm after 3 minutes start it again if such state appears 3 times in 20 minutes stop the compressor and alarm and confirm the malfunction Then continue to run it only after the the power is off During the starting process of the compressor if the AC current is greater than 12A the frequency of the compressor decreases at the speed of 1HZ second During the s
52. at first after 30 seconds it begins to control the airflow speed according to the temperature conditions of the outdoor environment The temperature of the The temperature of the outdoor Airflow speed wear lae MR ear aE 26 CsTa lt 30 C Keeping the speed Meum 0 aan we Sp 5 2 2 2 The outdoor fan control when heating The temperature of the outdoor Airflow speed air Ta Ta222C Low 19 lt lt 22 Keeping the speed 14 CsTas16 Keeping the speed 23 Haier Domestic Air Conditioner Haier 0 2 3 5 2 4 9 2 9 5 2 5 1 HSU 12HEGO3 R2 DB SM Wiring Diagrams The control of the outdoor electronic expansion valve When starting the compressor the opening size of the valve must be guaranteed to have entered into the standard opening size and then the compressor can be started When refrigeration is in vain the machine is shut down or is in the state of retrograde operation the opening size of the expansion valve of the indoor unit is 5 steps When heating is in vain the opening size of the expansion valve of the indoor unit is 55 steps When the outdoor unit is shut down the valve is opened completely for 2 minutes and then begin initialization The scope of refrigerationg valve 90 480 steps The scope of heating valve 80 480 steps The valves are adjusted according to the degree of superheat SHa Four way control For the details
53. at residue sending mode If Tr lt Ts the outdoor system will be turned on again the indoor fan will be at the cold air proof mode 15 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams Indoor fan control manual control You can choose high medium low and automatic speed control Automatic When Tr Ts high speed When TssTrsTs 2 C medium speed When Tr Ts 2 C low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch Airgate location control the location for the airgate can be set according to your needs Coldair proof operation 1 The indoor operation within 4 minutes after the start up is as the following diagram the air speed can be raised only after the speed has reached a certain level Set speed Heat start temp 1 Heat start temp 2 The Fan off Heat start temp 4 Fan off 2 4 minutes after the start up of the indoor fan the light airflow and the low airflow will be turned to the set speed airflow 3 In the cold air proof operation the fan won t stop after the start up 4 During the cold air proof operation the indoor system will continuously send indoor high speed signals to the outdoor system Residue heat sending The indoor fan will send the residue heat at a low speed for 12 seconds If other conditions are satisifi
54. charge temperature too high NO Malfunctions occur after running for some time even though the measured temperature is below 110 C Pull out the discharge sensor and measure its resistance at standard temperatures according to the resistance temperature table The The sensor is damaged Replace the sensor much results deviate with a new one NO The outdoor mainboard is damaged and needs be replaced 57 Haier Domestic Air Conditioner 7 3 7 EEPROM abnormal Indoor Display E4 Indoor EEPROM error F12 Outdoor EEPROM error LED1 flash 1 times Method of The Data detected by the EEPROM are used 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 m Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the EEPROM of the indoor or outdoor mainboard and be sure it is right 08 Haier Domestic Air Conditioner 7 3 8 Communication error between the indoor and outdoor units Indoor display Outdoor display LED1 flash 15 times Method of The date received from the another unit in indoor unit outdoor unit signal transmission is Malfunction checked whether 1 normal Detection Malfunction When the date sent from the another unit cannot be received normally or
55. crews if wiring is not correct proper operation can not be carried out and controller may be damaged Fix the cable with a clamp Domestic air conditioner Haier Attaching Drain Elbow If the drain elbow is used please attach it as figure Note Only for heat pump unit Purging Method To use vacuum pump 1 Detach the service port s cap of 3 way valve the valve rod s cap for 2 way valve and 3 way s connect the service port into the projection of charge hose low for gaugemanifold Then connect the projection of charge hose center for gau gemanifold into vacuum pump 2 Open the handle at low gaugemanifold operate vacuum pump If the scale moves of gause low reach vacuum condition in a moment check 1 again 3 Vacuumize for over 15min And check the level gauge which should read 0 1MPa 76 cm Hg at low pressure side After the completion of vacuumizing close the handle Lo in gaugemanifold and stop the operation of the vacuum pump Check condition of the scale and hold it for 1 2min If the scale moves back in spite of tightening make flaring work again the return to the beginning of 3 0
56. d for 3 minutes remain at high speed for 3 minutes before the next switch Manual When the sensor is off or lt 15 43 the manual operation can not be made obligatory automatic operation Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 seconds the compressor will be stopped and the malfunction will be recorded in the malfunction list The indoor system will continue to run When the temperature of the indoor coil is raised to 7 the compressor will be restarted again the prerequirement of 3 minutes delay should be satisfied coil protection synchronic overheating protection are installed for the four directions latch malfunctions when demoisturing timing system on off function Dormant control function 9 14 Heating operation mode temperature control range 16 30 C temperature difference 1C control feature the temperature compensation is automatically added and the system will send the heating signals to the outdoor system If Tr lt Ts the outdoor compressor is turned on the indoor fan will be at the cold air proof mode If Tr gt Ts the outdoor system is turned off the indoor fan will be at the he
57. e horizontally so as not to stuff the flap inside m When assembling make sure the three hooks are caught properly 71 Haier Domestic air conditioner Haier HSU 12HEGOS R2 DB SM Removal of procedure 9 3Removal of horizontal flap Procedure N Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Remove the horizontal B The horizontal flap is single Release the center pivot Bend the horizontal blade slightly and 8 remove it Installation procedure BE 5 Since key pattern hook is provided rotate the flap and fit it to the left pivot first Fitthe flap to the right pivot Fit the flap to the center pivot 12 Haier Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 9 4 Removal of Drain pan Procedure N Warning sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Remove the Drain pan
58. e power cable can damage the cable Do not mix air or gas other 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 gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Hale Domestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM Introduction Caution Installation of a leakage breaker 15 necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there 1 a possibility of combustible gas leaks If a combustible gas leaks and remains around the unit it can cause a fire Be sure to install the packing and seal on the installation frame properly If the packing and
59. e remote control signal if the press on the urgency key doesn t last for 15 seconds or if the key is loosened Urgency operation If you press the urgency key for less than 5 seconds the buzzer will ring when you press the on off key The system will enter the urgency operation when the urgency key is loosened The urgency operation is fully automatic Test operation The inlet temperature sensor doesn t work the indoor fan and the indoor air direction board motor works synchronically High speed airflow cooling outdoor system on etc will send the ambient temperature 30 centigrade and coil temperature 16 centigrade information to the outdoor system Test operation The defrost protection of the evaporator doesn t work The temperature control doesn t work The test operation will be finished in 30 minutes The test operation can be stopped by the relative commands from the remote control 18 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 1 11 Low load protection control In order to prevent the frosting of the indoor heat interaction device the outdoor system will be stopped if the indoor heat interaction temperature is below zero centigrade for 5 minutes but the fan will continue to operate The outdoor system will be started again when the heat interaction temperature is above 7 centigrade and the system has been stopped for 3 minutes The malfunction will be stored in the malfunction resume and w
60. e timing is finished and the rest of the system will operate under a normal condition The timing starts since the last reception of the timing singal You can have the dormacy setting under the timing mode the order of your settings will be operated according to the timing settings 2 system off timing When the system 1 turned on the timing indicator 1 lightened the rest of the system will operated under a normal condition When set time comes the indicator light will be turned off and the system will be turned off If you have set the dormant functions the order of your settings will be operated according to the timing settings 3 system on and off timing The settings will be completed according to the orders 17 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 1 9 Dormant operation The dormant timing is an eight hours unadaptable one The timing signs are shown on the V series board RC series show the dormant signal the timing light is lighted on the 6 lights board 2 1 Under the cooling demoisture operation after the setting of the dormant operation the set temperature will be raised for 1 centigrade after 1 hour s operation and will be raised for 1 centigrade 1 hour later The system will keep this status for 6 hours and then close 2 2 Under the heating mode after the setting of the dormant operation the et temperature will fall 2 centigrades after 1 hour s operation and will fall 2 centi
61. ed when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat start temp 4 Defrosting When the system receives the defrosting signal from outdoors the indoor fan will stop and the indoor temperature display won t change At the time any indoor coil malfunctions will be neglected When the outdoor defrosting finishes the coil malfunction will still be neglected until the compressor has been started up for 30 seconds The indoor temperature display will not change and the system operates at the cold air proof mode Automatic heating temperature compensation when the system enters the heating mode the temperature compensation 4 will be added When the status is switched off the compensation will be erased 16 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 9 19 strength operation the system enters the mode after receiving the strength signal Send strength operation signal to the outdoor system The mode change finishes the strength operation Entering mute you can have normal operation or signal control such as timing to finish the strength operation When the system 1 at the automatic option with the strength mute function if the system enters the cooling mode the cooling strength mute function will be offered if the system enters the heating mode then the heating strength mute funct
62. ermistor 5 3 1 Unit Room sensor and Pipe Sensor R25 10 9 3 B25 C 50 C 23700K 3 Max KQ Normal KQ Min KQ Tolerance mm _ em xw ww ss s em xm sw _ seme mes _ 8 Haier Domestic Air Conditioner NO HSU 12HEGO3 R2 DB SM Wiring Diagrams 24 1432 22 8656 21 6361 1 16 23 0284 21 8398 20 6939 1 14 E u m an ow amp mem _ amp mme os _ _ s a gt 2 7 m sem _ s 36 6 7273 6 4459 6 1707 1 11 6 4803 6 2021 5 9304 1 14 9 Haier Domestic Air Conditioner N HSU 12HEGO3 R2 DB SM Wiring Diagrams Taman mnn H HTH 2mm xe 2 sa 31e 3w _ om om xm 3 39 _ o wm se e _ 30 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams sme wes ene 3 39 emm om ow 3 eme wes ems 39 5 3 2 Outdoor Unit Ambient Sensor Defrosting Sensor Pipe sensor R25 C 10K 9 3 B25 C 50 C 23700K 3 Min KO Tolerance C om n 31 Haier Domestic
63. grades 1 hours later 3 hours after the preceding operations the set temperature will be raised for 1 centigrade and the system will keep this status for 3 hours and then close down 2 3 During the dormant time except the change of the system mode or a new press on the dormant setting keys the timing of the 8 hours dormancy will take the first timing as the start time any presses on other keys will not affect the original timing 2 4 Indoor fan control under the dormant operation If the indoor fan is at the high speed before the dormant operation setting the speed will be turned to medium after the setting If the fan is at the medium speed before the dormant setting the speed will be turned to low after the setting If the fan is at the low speed before the dormant setting the speed will not change 5 1 10 Urgent on off input Press the urgency button the buzzer will ring The system will enter the automatic mode if you don t press the button for more than 5 seconds Under the system off mode if you press the urgency key for 5 to 10 seconds the system will start the test operation Under the system off mode If you press the urgency key for 10 to 15 seconds the display screen will show the resume of the last malfunction If the system is under operation the press the urgency key will stop it Under the system off mode the display screen will show automatic running sign Under the system off mode the system will not receive th
64. ical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Do not tilt the unit when removing it The water inside the unit can spill and wet the furniture and floor Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work Working on the unit when the refrigerating cycle section is hot can cause burns Use the welder in a well ventilated 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 model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly by using the provided standard installation frame Incorrect use of the installation frame and i
65. ill not be revealed 9 1 12 High load protection control The outdoor system will be stopped if the coil temperature is above 65 C for 2 minutes The indoor fan will be controlled by the thermostat The outdoor system can be restarted when the coil temperature is below 42 C and the system has been stopped for 3 minutes The malfunction will be stored in the malfunction resume and will not be revealed 5 1 13 abnormal operation of indoor system When the outdoor system operates if the indoor system operation differs from the outdoor system the abnormal operation malfunction will be reported 10s after the report the indoor system will be closed Outdoor system mode Indoor system mode conflicts cooling heating yes cooling cooling no cooling airflow no heating heating no heating airflow yes heating cooling yes 5 1 14 Malfunction list resume Nothing is presented if there is no code list The malfunction display will automatically finish in 10 seconds The remote control only receives the sigals for stop According to the signals the malfunction resume presentation finishes The resume restores after the power supply restores 5 1 15 abnormality confirmation approaches 1 indoor temperature sensor abnormality under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system wi
66. ion will be offered if the system enters the airflow mode there will be no strength mute function 5 1 6 Mute operation the system enters the mode after receiving the mute signal a Mute heating the airflow speed 1 slight the system sends the mute signal to the outdoor system b mute cooling the airflow speed 1 slight the system sends the mute signal to the outdoor system When the compressor operates the airflow speed is mute speed 1 adaptable Mute operation can not work under the demoisturing and airflow sending operation 5 1 7 Air refreshing After receiving the signal from the remote control HV series the background light of the health logo is green HS series the health indicator will be lighted If the fan operates the negative ion generator operates to realize the negative sending function If the indoor fan stops the negative ion generator is turned off When the negative on generator 1 turned off if the air refreshing system 1 turned on the negative generator will be turned on when the fan operates 5 1 8 Timing You can set 24 hours on off timing accordingly After the setting the timing indicator will be lightened Also the light will be turning off after the timing is finished The followings are several timing methods 1 system on timing The timing indicator will be lightened and the indoor system is under the waiting mode The light will be turned off when th
67. ioner Haier HSU 12HEG03 R2 DB SM Removal Procedure 9 11 Removal of Fan and Fan Motor Procedure AN Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Loosen the fixing screw and remove the fan Put the lead wire through the back of the motor when assembling so as not to be entangled with the propeller fan 84 Haier Domestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM Removal Procedure 9 12 Removal of fan motor bracket and partition Procedure Warning sure to 10 minutes mo before disassembling work IT ED gt ADC SAN NTITTETETATS Y 7 AD i NG i aal Ca Ez MSN vie 4 Loosenthe fixing screws and lift the fan motor br
68. itions 1 and 3 on the terminal of If the value is constant at about 30V the outdoor unit with a multimeter m indoor mainboard is damaged replace it with a new one If the value varies between 0 and 80 the The outdoor mainboard is damaged replace outdoor mainboard is damaged replace it it with a new one with a new one 60 Domestic Air Conditioner Haier NO 7 3 9 Power Supply over or under voltage fault Indoor display F19 Outdoor display LED1 flash 6 times Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit Malfunction Detection Malfunction An voltage signal is fed from the voltage detection circuit to the microcomputer Decision Conditions Supposed m Supply voltage not as specified Causes m The IPM module is broken The outdoor PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check the power supply Is it rated power This question may be caused by the power Check the IPM module No Change the new one Yes Change the outdoor PCB About how to check the IPM module please refer to IPM protection fault 61 Haier Domestic Air Conditioner 7 3 10 Loop of the station detect error Outdoor Display LED1 flash 18 times Indoor Display F 11 LED1 flash 19 times Indoor Display F28 Method of
69. k 4P 0 14 NEW FREEMATCH COM CIRCUIT 220uF25V 105 C 1 D 3 i Haier 11 2 0UTDOORUNIT 11 2 1Control Bard Circuit Diagrams HSU 12HEG03 R2 DB SM AC L AC N wiring Diagrams COM heater AC N OUT ACL OUT Four Way CofiN2 tCN11 27 CN36 Three speed AC Fan I wo speed Fan CNI4 15
70. l of procedure Procedure Warning sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Remove the front panel 1 pen the front panel until it is on the horizontal position and then release the pivots on both sides of the unit to remove the front panel 70 Please close the panels before start the removal procedure of front grille lide the front panel from one side to another to release each axis When assembling align the right and left axes with grooves in turn and insert them to the end Domesticairconditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 2 Loosen the marked two screws HOOKS 3 Release the marked three hooks 4 Pull the front grille out horizontally and remove it EE When assembling install the pud de mM els front grill
71. ll automatically resume 19 Haier Domestic Air Conditioner Haier HSU 12HEG03 R2 DB SM Wiring Diagrams 2 indoor heat interaction sensor abnormality under the operation the normal temperature ranges from 120 degree to 30 degree When the temperature goes beyond this range the abnormality can be confirmed If the temperature goes back into the range the system will automatically resume 3 indoor malfunction Out door malfunction When the indoor system receives the outdoor malfunction codes it will store the code into E2 for the malfunction list resume The indoor system will continue to operate according to the original status the malfunction code will not be revealed or processed 4 transmission abnormality If the indoor system can t receive the outdoor system for 8 minutes the communication abnormality can be confirmed and reported and the outdoor system will be stopped 5 1 16 Single indoor system operation Enter condition First set the high speed airflow and 30 centigrade set temperature then press the dormant keys for 6 times within 7 seconds the system will feedback with 6 rings After the system enters the separate indoor system operation mode the indoor system will operate according to the set mode and neglect the communication signals of the outdoor system However it has to send signals to the outdoor system Quitting condition This mode can be quitted after receiving the quitting signal from the remote control o
72. ls Haier HSU 12HEG03 R2 DB SM 65 Installation 1 Insert the drain hose into the dent of heat insulation materials of indoor unit 2 Insert the indoor outdoor electric cable from backside of indoor unit and pull it out on the front side then connect them 3 Coat the flaring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely and make sure fixing with adhesive tape aT T Indoor outdoor electric cable 0000000 0 5 1 Heat insulation material Piping Lid for right piping Pipe supporting i plate Lid for left piping Drain hose Lid for under piping pipe Fix with adhesive tape e Indoor outdoor electric cable and hose must be bound with refrigerant piping by protecting tape Other direction piping e Cut away with a nipper the lid for piping according to the piping direction and then bend the pipe according to theposition of wall hole When bending be careful not to crash pipes e Connect beforehand the indoor outdoor electric cable and then pull out the connected to the heat insulation of connecting part specially Hang surely the unit body onto the upper notches of the mounting plate Move the body from side to side to verify its secure fixing e order to fix the body onto the mounting plate hold the body aslant from the underside and then put it down
73. m Faulty power supply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Electrify the machine again and turn it on with the remote controller If malfunctions YES IPM Module is damaged and needs replacing are reported before or upon the compressor being started up NO The compressor is started normally but malfunctions are reported after it has run for some time Check the YES Repair the power supply power supply is too low or too high NO system may have been over or under charged with gas which can be judged through the pressure of the measuring system 63 Haier Domestic Air Conditioner Haier HSU 12HEG03 R2 DB SM Installation 8 Installation Installation Manual of Room Air Conditioner Preparation Necessary Tools for Installation Selection of Installation Place O Driver O Torque wrench Indoor Unit 2 2 Place robust not causing vibration where the body be supported sufficiently en Ga Place not affected by heat or steam generated in the vicinity where inlet and outlet of O Hole core drill Flaring tool are net disturbed 2 Pus Place possible to drain easily where piping can be connected with the outdoor unit 22 DE Place where cold air can be spread in a room entirely soap and water solution Reamer
74. mily it will be solarized every 6 months e The bacteria killing medium air purifying filter will be used for a long time no need for replacement But in the period of using them you should remove the dust frequently by using vacuum cleaner or flaping them lightly otherwise its performance will be affected e Please keep the bacteria killing medium air purifying filter in the cool and dry conditions avoid long time directly sunshine when you stop using it or its ability of sterilization will be reduced Domestic air conditioner Haier HSU 12HEGO3 R2 DB SM Introduction Cautions WARNING Please call Sales Service Shop for the Installation Do not attempt to install the air conditioner by yourself because improper works may cause electric shock fire water leakage WARNING When abnormality such as burnt small found Use an exclusive Check proper immediately stop the operation button and power source installation of the contact sales shop racire with a circuit drainage securely breaker L STRICT ENFORCEMENT ENFORCEMENT Connect power supply cord 1 Do not use power supply cord extended to the outlet completely or connected in halfway 2 Do not install in the place where there is any cD possibility of inflammable gas leakage around the unit 3 Do not get the unit exposed STRICT STRICT to vapor or oil steam ENFORCEMENT ENFORCEMENT PROHIBITION Do not use power supply Take care not to damage Do not
75. mproper installation can cause the equipment to fall resulting integral in injury units only Be sure to install the product securely in the installation frame mounted on a window frame im integra If the unit is not securely mounted it can fall and cause injury S units only Haiet Domestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM Introduction Warning Be sure to use an exclusive power circuit for the equipment and follow the technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire Be sure to use the specified cable to connect between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections can cause excessive heat generation or fire When connecting the cable between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section can cause an electrical shock excessive heat generation or 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 th
76. ncorrectly If the grille is not run correctly stop for a minute and then start adjusting by remote controller Note 1 After setting the healthy airflow function the position grill is fixed 2 In heating it is better to select the la mode 3 In cooling it is better to select the mode 4 In cooling and dry using the air conditioner for a long time under the high air humidity condensate water may occur at the grille 45 Haier HSU 12HEG03 R2 DB SM Introduction EUROPEAN REGULATIONS CONFORMITY FOR THE MODELS CE All the products are in conformity with the following European provision Low Voltage Directive 73 23 EEC Low Voltage Directive 2006 95 EC Electomagnetic CompatibilitY 89 336 EEC Electomagnetic CompatibilitY 2004 108 EC ROHS The products are fulfilled with the requirements in the directive 2002 95 EEC of the European parliament and of council on the Restriction of the use of Certain Hazardous Substances in Electrical and Electronic Equipment EU RoHS Directive WEEE In accordance with the directive 2002 96 CE of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products DISPOSAL REQUIREMENTS Your air conditioning product is marked with this symbol This means that electrical and electronic products shall not be mixed with unsorted household waste Do not try to dismantle the system yourself the dismantling of the ai
77. nector connection Causes m Faulty thermistor m Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector else parts damage may be occurred Check the connector connection NO Correct the connection gt Yes Thermistor resistance check NO Replace the thermistor Yes Replace the indoor unit PCB Thermistor resistance check method Remove the connector of the thermistor on the PCB and measure the resistance of thermistor using tester The relationship between normal temperature and resistance is shown in the value of indoor thermistor Resistance range 91 Haier Domestic Air Conditioner 7 3 2 Indoor fan motor malfunction Indoor Display E14 Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine Malfunction abnormal fan motor operation Detection Malfunction when the detected rotation feedback signal don t received in 2 minutes Decision Conditions Supposed Causes Operation halt due to breaking of wire inside the fan motor Operation halt due to breaking of the fan motor lead wires m Detection error due to faulty indoor unit PCB How to check Fan Motor DC 1 Check connector connection 2 Check motor power supply voltage output pins 1 4 3 Check motor control voltage pins 4 5 4 Check rotation command voltage output pins 4 6 5 Check rotation pulse input pins 4 7 110 Motor
78. nfiguration 40 6 1 System Ao Ae 40 Tara ie ei 40 7 Error Codes and 49 8 200 0 2 27 2 64 9 Removal 68 91 Removal of Air Eiter 68 92 Removalof Frontoanel E 70 9 3 Removal of Horiaontal Blade and Front Grill eee 12 94 JRemovalot rain Dali mae EE ege KE dee EE WE REDS EE nier 13 9 5 Removal of Vertical Blades and Swing Motor 74 96 Removal of Electrical BOX 202 2 2 7 7 7 4 4 4 19 9 7 Removal of Heat Exchanger e 76 98 Removal of Fan Rotor and Fan Motor 2 78 Halet Domestic Air Conditioner 9 9 9 10 9 11 9 12 9 13 10 10 1 10 2 11 12 Haier Removal of Outdoor panel mmn 80 Removal of Electrical Box 83 Removal of Fan and Fan motor 84 Removal of fan motor bracted and partition 85 Removal of compressor and heat exchanger e e e C terete teens 87 Wiring Diagorames 89 coor ls N EE EE 89 Outdoor Unit 90 Circuit Diagrams cce 91 Description of
79. nment temperature is higher than 46 C AC current protection value decreases by 15AD 3 When the outdoor environment temperature is higher than 50 C AC current protection value decreases by 20AD 5 2 5 5 Antifreezing protection of the indoor heat exchanger When refrigerating heating prevent freezing Tpg indoor 7j is the minimum value of the effective indoor unit start it and it is in accord with the running state 11 C ice temp 3 5 ice temp 3 3 9 Increasing slowly 8 C lice temp 3 2 Keeping the frequency 6C ecreasing slowly ice temp 3 6C ice temp 2 556 1 30 ecreasing rapidly 1 Stop When Tpg_indoor ice temp 1 the frequency of the compressor decreases at the speed of 1HZ 1second When Tpg indoor ice temp 2 C the frequency of the compressor decreases at the speed of 1HZ 10seconds When indoor begins to rise again and ice temp 2x Tpg ice temp 3 the frequency of thecompressor doesn t change When ice temp 3 Tpg indoor ice temp 343 the frequency of the compressor increases at the speed of 1HZ 10seconds For example Tpg_indoor 0 C last for 2 minutes and then the outdoor unit will stop and report underload malfunction but don t send malfunction report to the indoor The compressor stops for more than minutes indoor ice temp 3 2 the compressor recovers 26 Haier Domestic Air Conditioner Haier 5 2 5 6 9 29 5 2 9 8
80. nt completely Do not usewater wipe the controller with a dry cloth Do not use glass cleaner or chemical cloth Do not use the following for cleaning Gasoline benzine thinner or cleanser Hot water over 40 C 104 F may may damage the coating of the unit cause discoloring or deformation Air Filter cleaning 1 Open the inlet grille by pulling it upward 2 Remove the filter EH Push up the filter s center tab slightly until it is f released from the stopper and remove the filter doWnward 3 Clean the filter Use a vacuum cleaner to remove dust or wash the filter with water After washing dry the filter completely in the shade 4 Attach the filter Attach the filter correctly so that the FRONT indication is facing to the front Make sure that the filter is Y two weeks completely fixed behind the stopper If the right and left filters are not attached correctly that may cause defects 5 Close the inlet grille 4 Attach the standard air filter Necessary installation 7 ATTENTION The white side of the photocatalyst air purifying filter face outside and the black side face the unit The green side of the bacteria killing medium air purifying filter face outside and the white side face the unit 5 Close the Inlet Grille Close the Grille surely NOTE e The photocatalyst air purifying filter will be solarized in fixed time In normal fa
81. om 6 TE y 3 skes glat R224 47K 47K 2 0201 HA 1630006 10 Ven x Fu HA 1630006 104 R006 4 1K PQ m E 39 POSTA Mm 42 mu K ET R016 SI IK a 39 016 PCSITA 330 47 93 Leier Conditioner 12 Description of coding rules of unit model 118119 431121 elle Le 9 DC inverter Refrigerant type R2 R410A Applicable voltage 3 220 240V Applicable frequency 0 50HZ apparance of indoor unit is E series G is serial number H heat pump Nominal cooling capacity 12000BTU h The structure code of indoor amp outdoor unit S wall mounted H Abbreviation of Haier Examples HSU 07RDO3 R1 It represents wall mounted split type heat pump air conditioner The cooling capacity is 7000BTU h and the power supply is 220 230V 50Hz D means the developing sequence and R1 means the refrigerant is R407C 94 Haier HSU 12HEGO3 R2 DB SM The end Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road Edited by Shi Longfei Yu Huali 266101 Qingdao China _ E mail hractech haier com Signed by Wang Fei Tel 86 532 88936935 Http www haier com Approved by Wu Hongjin Aaa Domestic Air Conditioner
82. omestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams E s a gt 2 x s 36 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams m eem m ese mem nes e 9 _ m een ums om w _ mme om ow o 0 m om mem se ow sme mew os _ m ex Joes ow o eme om os w me om ems w _ 37 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams mme me ae w _ mmm mm me e e _ ase sm am _ 38 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 39 Haier Domestic Air Conditioner Haier HSU 12HEGO3 R2 DB SM System Configuration 6 System Configuration 6 1 System Configuration After the installation and test operation of the room air conditioner have been completed it should be operated and handled as described below Every user would like to know the correct method of operation of the room air conditioner to check if it is capable of cooling or heating well and to know 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 Howe
83. onditioner Haier Trouble shooting Before asking for service check the following first Cause or check points The system does not restart immediately Noise is heard Normal Performance inspection Smells are generated Mist or steam are blown out In dry mode fan speed can t be changed Multiple check HSU 12HEG03 R2 DB SM e When unit is stopped it won t restart immediately until 3 minutes have elapsed to protect the system When the electric plug is pulled out and reinserted the protection circuit will work for 3 minutes to protect the air conditioner e During unit operation or at stop a swishing or gurgling noise may be heard At first 2 3 minutes after unit start this noise is more noticeable This noise is generated by refrigerant flowing in the system e During unit operation a cracking noise may be heard This noise is generated by the casing expanding or shrinking because of temperature changes e Should there be a big noise from air flow in unit operation air filter may be too dirty This is because the system circulates smells from the interior air such as the smell of furniture paint cigarettes During COOL or DRY operation indoor unit may blow out mist This is due to the sudden cooling of indoor air e In DRY mode when room temperature becomes lower than temp setting 2 C unit will run intermittently at LOW speed regardless of FAN setting e
84. ontinue to run When the temperature of the indoor coil is raised to 7 C the compressor will be restarted again the prerequirement of 3 minutes delay should be satisfied timing system on off function Dormant control function 14 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 1 3 Demoisture mode temperature control range 16 30 temperature difference 1C Control feature send the demoisture signal to the outdoor system When Tr gt Ts 2 C the compressor will be turned on the indoor fan will operate at the set speed When Tr is between the Ts and Ts 2 C the outdoor system will operate at the high demoisture frequency for 10 minutes and then at the low demoisture mode for six minutes The indoor fan will operate at low speed When Tr Ts the outsystem will be stopped the indoor fan will be stopped for 3 minutes and then turned to the low speed option All the frequency converses have 1 difference Wind speed control Automatic When Tr2 Ts 5 C high speed When Ts 3 C lt Tr lt 545 medium speed When Ts 2 CxTr 15 43 low speed When Tr Ts 2 light speed If the outdoor fan stopped the indoor fan will be paused for 3 minutes If the outdoor fan stopped for more than 3 minutes and the outdoor system still operates the system will be changed into light speed mode When the airflow speed has no delay from the high to low switching the speed should be delaye
85. oor PCB Check to make sure that the indoor PCB is broken Operation Check the power supply A power failure of 2 to 10 cycles can stop air conditioner sometimes stops operation Check for faulty operation Set the units to cooling operation and compare the of the electronic temperatures of the liquid side connection pipes of the Equipment operates but does expansion valve connection section among rooms to check the opening and not cool or does not heat only for closing operation of the electronic expansion valves of the heat pump individual units Diagnosis by service port Check for insufficient gas pressure and operating current Large operating Check the installation Check to make sure that the required spaces for noise and condition installation specified in the Technical Guide etc are vibrations provided A9 Haier Domestic Air Conditioner 7 3 Error Codes and Description indoor display Code indication indication EA Description ahan Indoor LED1 flash age times ndor Outdoor ET Communication fault between indoor and Page mm Page mm units indoor Malfunction E2 Heetexehangesensortalwe Pae 51_ Page 58 2 The The protection of EM The protection of EM IPM pages 99 ME Overcurrent protection of AC electricity for Page 63 the outdoor model Communication fault between the IPM and Page 56 outdoor PCB ge
86. ount charged in the field and 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate additional refrigerant amount charged in the field total refrigerant charge outdoor unit refrigerant cylinder and manifold for charging Check for Installation and Test Run 0 Please kindly explain to our customers how to operate through the instruction manual Check Items for Test Run Put check mark in boxes Gas leak from pipe connecting Heat insulation of pipe connecting the connecting wirings of indoor and outdoor firmly inserted to the terminal block Ols the connecting wiring of indoor and outdoor firmly fixed Ols drainage securely carried out Is the earth line securely connected Is the indoor unit securely fixed Ols power source voltage abided by the code Lils there any noise Ols the lamp normally lighting cooling and heating when in heat pump performed normally Olis the operation of room temperature regulator normal Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 9 Removal Procedure Indoor unit 9 1 Removal of Air Filter Procedu
87. p SLEEP operation starts SLEEP operation stops Approx 6hrs Temp setting Unit stop In COOL DRY mode 2 HEAT mode 1 hours after SLEEP mode starts temp will become 2 C lower than temp setting After another 1 hours temp decrease by 2 C futher After more another 3 hours temp rises by 1 C futher The unit will run for further 3 hours then stops emp is lower than temp setting so that room temperature won t be too high for your sleep Temp setting Unit stop Decreases 2 C 3 hrs SLEEP operation stops In HEAT mode 3 AUTO mode The unit operaters in corresponding sleep mode adapted to the automatically selected operation mode SLEEP operation starts A4 Haier HSU 12HEG03 R2 DB SM Introduction 4 In FAN mode It has no SLEEP function 5 Set the wind speed change when sleeping If the wind speed is high or middle before setting for the sleep set for lowing the wind speed after sleeping If it is low wind no change Note When TIMER function is set the sleeping function can t be set up After the sleeping function is set up if user resets TIMER function the sleeping function will be cancelled the machine will be in the state of timing on POWER SOFT Operation 1 POWER Operation When you need rapid heating or cooling you can 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 AUT
88. pe and the bending radius should be 30 to 40 mm or longer Connecting the pipe of gas side first makes working easier Q The connection pipe is specialized for R410A Half union Flare nut Forced fastening without careful centering may damage the threads and cause a leakage of gas d Liquid side6 35mm 1 4 Gas side 12 7mm 1 2 Spanner Torque wrench Gas side 15 88mm 5 8 Be careful that matters such as wastes of sands etc shall not enter the pipe The standard pipe length is 5m If it is over 7m the function of the unit will be affected If the pipe has to be lengthened the refrigerant should be charged according to 20 g m But the charge of refrigerant must be conducted by profes sional air conditioner engineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant CAUTION unit Indoor unit unit Max Elevation Amax 10m EE ON In case the elevation A is more FSE than 5m oil trap shoud be Oil trap installed every 5 7m Max Length Bmax 15m In case the pipe length B is more than 7m the refrigerant should be charged according to 20 g m Indoor unit Connection Use the same method on indoor unit Loosen the screws on terminal block and insert the plugs fully into terminal block then tighten the s
89. power supply voltage 210 Unused a IO Unused 4 1 0 reference potential 5 O Motor control voltage 15 VDC 6 O Rotation command voltage 1 6 VDC TIO Rotation pulse input Notes the a c 15 electrifying dont pull out or insert the terminals of the motor else the motor would be damaged Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 52 Haier Domestic Air Conditioner Turn off power supply and rotate fan by hand Does rotate smoothly Turn power ON and operate fan Turn off power supply and disconnect fan Does it rotate motor connector then turn power ON NO Replace fan motor Yes Check output of fan motor connector Is motor power voltage DC310V generated Stop fan motor Replace indoor unit PCB Is motor control power voltageDC 15V generated Is rotation number command pulse generated Is rotation number Yes command voltage DC1 6V generated Replace fan motor Replace indoor unit PCB Replace indoor fan motor PCB 53 Haief Domestic Air Conditioner 7 3 3 Outdoor DC fan motor fault Check whether Terminal on the outdoor mainboard is well inserted NO Reinsert the terminals YES Electrify the machine again and turn it on in the Cool state with the remote controller check whether motor can run
90. pressor Yes Check the installation condition Check the IPM module method Disconnect the compressor harness connector from the outdoor unit PCB To disengage the connector press the protrusion on the connector Then measure resistance between P and N and the U V and W terminals of the compressor connector with a multi tester Evaluate the measurement results for a pass fail judgment N terminal of tester P for digital P UVW tester P terminal of tester N for digital UVW P UVW P tester Several to several 5 Unacceptable resistance Short 0 Q or open 55 Haier Domestic Air Conditioner 7 3 5 The communication fault between IPM and outdoor PCB Outdoor display LEDi flash 4 times Indoor Display Fa Method of Communication is detected by checking the IPM module and the outdoor PCB Malfunction Detection Malfunction m The outdoor PCB broken leads to communication fault Decision The IPM module broken leads to communication fault Conditions Supposed The outdoor PCB is broken Causes The IPM module is broken Communication wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether Terminal CN23 and CN24 on the outdoor mainboard CN10 and CN11 on IPM module 2 Check whether the connected wire between IPM and outdoor NO 1 Pull out and reinsert
91. r conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legislation Air conditioners must be treated at a specialized treatment facility for reuse recycling and recovery By ensuring this product is disposed of correctly you will help to prevent potential negative cons equences for the environment and humen health Please contact the installer or local authority for more information Battery must be removed from the remote controller and dis posed of separately in accordance with relevant local and nationl legislation IMPORTANT INFORMATION REGA RDING THE REFRIGERANT USED Contains fluorinated greenhouse gases covered by the Kyoto Protocol R410A 1 This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere Refrigerant type R410A GWP value 1975 GWP global warming potential Please fill in with indelible ink e1 the factory refrigerant charge of the product e2 the additional refrigerant amount charged in the field and e 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol factory refrigerant charge of the product see
92. r urgency system The indoor system thus can quit the single operation mode 5 1 1 Power cut compensation Entering condition Press dormant button 10 times within 7 second the buzzer will ring 4 times and the present system status will be stored into the EEPROM of the indoor system After entering the power cut compensation mode the processing of the indoor system should be as the followings Remote control urgency singal operate according to the remote control and the urgent conditions the present status will be stored into the EEPROM of the indoor system Quitting conditions Press dormant button 10 times within 7 seconds and the buzzer will ring twice 5 1 18 Fixed frequency operation 1 Fixed cooling a under code condition high speed cooling set 16 C press temperature key and the set key at the same time The system will enter the fixed frequency operation after the buzzer rings twice b The proceeding programs are as the follows Entering the fixed frequency operation you can set the fixed strength location 1 and send the coolng signal to the outdoor system Meanwhile you can fix the indoor system at high speed mode the location of the airflow directin board can be switched to the maximal position c Quitting condition The fixed frequency cooling can be quitted after receiving the remote signal and the system will enter the remote setting status 20 Haier Domestic Air Conditioner HSU 12HEGO3 R
93. rcuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refrigerant gas can cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section release the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it can cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas can generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Haier DomesticAir Conditioner Haier HSU A2HEGOSRADB SM Introduction Warning Do not repair the electrical components with wet hands Working on the equipment with wet hands can cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water can cause an electr
94. re N Warning Be sure to wait 10 minutes or more after turning all power supplies before disassembling work Sep Procedure Points O 1 Features 2 Remove the air filters Hold the front panel by the tabs on the both sides and lift it until it stops with a click 68 Haier Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Removal of procedure 2 Lift an air filter upwards slightly and then pull it out downwards m Please embed the air filters into the unit along the grooves as installation m Please embed the two hooks on air filter completely into the unit during installation 69 Haier Domestic air conditioner Haier 9 2 Remocal of front panel HSU 12HEG03 R2 DB SM Remova
95. rol features When TrCinput airflow gt Ts set temperature C the compressor will be opened indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system When Tr Cinput airflow lt Ts set temperature the compressor will be opened the indoor fan will operate at the set speed and the mode signal will be sent to the outdoor system The system will keep the original status if Tr Ts Airflow speed control temperature difference 10 Automatic When TrsTs 3 C high speed When Ts 1 C lt Tr lt Ts 3 C medium speed When Tr lt Ts 1 C low speed When the sensor 1 off low speed When the airflow speed has no delay from the high to low switching the speed should be delayed for 3 minutes remain at high speed for 3 minutes before the next switch Manus When the system 1 operating you can set the high medium or low speed manually When the sensor is on or off the system will change the speed 2 seconds after receiving the signal Airgate location control the location for the airgate can be set according to your needs Defrosting function preventing the frosting on the indoor heat exchanger when cooling or demoisture When the compressor works continuously for 1 6 minutes adaptable in EEPROM and the temperature of the indoor coils has been below zero centigrade for 10 seconds the compressor will be stopped and the malfunction will be recorded in the malfunction list The indoor system will c
96. rst fixed 1 Carry out based on the neighboring pillars or lintels a proper leveling for the plate to be fixed against the wall then temporarily fasten the plate with one steel nail 2 Make sure once more the proper level of the plate by hanging a thread with a weight from the central top of the plate then fasten securely the plate with the attachment steel nail 3 Find the wall hole location A using a measuring tape When the mounting plate is fixed side bar and lintel e Fix to side bar and lintel a mounting bar Which is separately sold and then fasten the plate to the fixed mounting bar e Refer to the previous article When the mounting plate is first fixed for the position of wall hole Making a Hole on the Wall and Fitting the Piping Hole Cover e Make a hole of 60 mm in diameter slightly descending to outside the wall e Install piping hole cover and seal it off with putty after installation Wall hole 60mm Outdoor side Thickness of wall Section of wall hole G Piping hole pipe Installation of the Indoor Unit Drawing of pipe Rear piping e Draw pipes and the drain hose then fasten them with the adhesive tape Left Left rear piping e Incase of left side piping cut away with a nipper the lid for left piping e Incase of left rear piping bend the pipes according to the piping direction to the mark of hole for left rear piping which is marked on heat insulation materia
97. s well When electronic started type fluorescent lamp or change over type fluorescent lamp or wireless telephone is installed in the room the receiver is apt to be disturbed in receiving the signals so the distance to the indoor unit should be shorter Full display or unclear display during operation indicates the batteries have been used up Please change batteries O f the remote controller cant run normally during operation please remove the batteries and reload several minutes later Hint Remove the batteries in case won t be in use for a long period If there is any display after taking out just press reset key Haier Domestic air conditioner Haier Operation Base Operation OUIET Remote controller 9m wa 25 HEALTH 7 A LOCK LIGHT RESET 1 Unit start Press ON OFF on the remote controller unit starts 2 Select operation mode COOL button Cooling mode HEAT button Heating mode DRY button Dehumidify mode 3 Select temp setting Press TEMP button TEMP Every time the button is pressed temp setting increase 1 C if kept depressed it will increase rapidly TEMP Every time the button is pressed temp setting decrease 1 C if kept depressed it will decrease rapidly Select a desired temperature 4 Fan speed selection Pre
98. ss FAN button For each press fan speed changes as follows Remote controller Display o gt P circulated LOW MED HI AUTO Air conditioner is running under displayed fan speed When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature Operation Remote Mode Controller Under the mode of auto operation air conditioner will SS automatically select Cool or Heat operation according to AUTO room temperature When FAN is set to AUTO the air conditioner automatically adjusts the fan speed according to room temperature In DRY mode when room temperature becomes lower than temp setting 2 C unit will run intermittently at LOW speed regardless of FAN setting adjusts the fan speed according to room temperature In FAN operation mode the unit will not operate in COOL or HEAT mode but only in FAN mode AUTO is not available in FAN mode And temp setting is disabled In FAN mode sleep operation is not available In HEAT mode warm air will blow out after a short HEAT period of the time due to cold draft prevention function When FAN is set to AUTO the air conditioner automatically 43 Haier HSU 12HEG03 R2 DB SM Introduction Emergency operation and test operation Emergency Operation e Use this operation only when the remote controller is defective or lost and with function of emergency running air conditoner can run automatically for a while
99. stic Air Conditioner 4 Printed Circuit Board Connector Wiring Diagram 4 1 Indoor unit Connectors Connectors PCB 1 Control PCB For HSU 12HEG03 R2 DB 1 CN26 Connector for fan motor 2 CN1 Connector for heat exchanger thermistor and Room temperature thermistor 3 CN11 Connector for UP amp DOWN STEP motor 4 CON2 Connector for power N wire 5 CONT Connector for power L 6 CN32 Connector for display board 7 CON6 CON8 Connector for ions generator 8 CON7 Connector for communicate between the indoor board and the outdoor board 9 CN27 Connector for fan motor s PG back 10 CN34 Connector for long range control 11 CN20 Connector for room card Note Other designations PCB 1 Indoor Control PCB 1 SW1 Connector for Forced operation ON OFF switch 2 SW2 1 Select remote code A or 2 Select 25 or 35 3 Select room card able or disable 3 SW4 Select 20 or other if select 20 SW2 must select 25 ON 4 RV1 Varistor 5 FUSE1 Fuse 3 15A 250VAC Haier HSU 12HEG03 R2 DB SM Wiring Diagrams PCB 1 SWITCH 7 J35 STEP MOTOR E EB SW1 qu BON Ga d 2 5 i 89 CN27 8 gt 1 Z ROOM PIPE C21 CN11 sd BUZZ1 CHECK S TIME Ee 432 BLACK 4 1 1 2 220AC L Laas CON2 Mu CONG lt J10 D 4 J34 J7 J6 w 4 A CN34 CX1 SS oer 2 R26 IC6 5 GND TX RX EI CONB RI5 R14
100. tarting process of the compressor if the AC current is greater than 10A the frequency of the compressor decreases at the speed of 0 1HZ second O During the starting process of the compressor if the AC current is greater than 9A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current is greater than 8A the frequency of the compressor increases at the speed of no faster than 0 1HZ second 25 Haier Domestic Air Conditioner HSU 12HEGO3 R2 DB SM Wiring Diagrams 5 2 5 4 The protection function of AC current During the starting process of the compressor if the AC current is greater than 15A the frequency of the compressor decreases at the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 13A the frequency of the compressor decreases at the speed of 0 1HZ second During the starting process of the compressor if the AC current is greater than 11A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current is greater than 10A the frequency of the compressor increases at the speed of no faster than 0 1HZ second Remarks when the outdoor temperature is high there s compensation for AC current protection DWhen the outdoor environment temperature is higher than 40 C AC current protection value decreases by 10AD 2When the outdoor enviro
101. th the type of T 3 15A 250V If the fuse of outdoor unit is broken change it with the type of T 25A 250V 4 The wiring method should be in line with the local wiring standard 5 After installation the power plug should be easily reached 6 The waste battery should be disposed properly T The appliance is not intended for use by young children or infirm persons without supervision 8 Young children should be supervised to ensure that they do not play with the appliance 9 Please employ the proper power plug which fit into the power supply cord 10 The power plug and connecting cable must have acquired the local attestation 11 In order to protect the units please turn off the A C first and at least 30 seconds later cutting off the power Domestic air conditioner Haier HSU 12HEG03 R2 DB SM Service Diagnosis Service Diagnosis 7 1 Caution for Diagnosis The operation lamp flashes when any of the following errors is detected 1 When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions disabling equipment operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages 7 2 Problem Symptoms and Measures Symptom Check Item Details of Measure None of the units Check the power supply Check to make sure that the rated voltage is supplied operates Check the ind
102. the terminals Are they good 2 Replace connected wire Malfunction unsolved Electrify the machine again and turn it on Check whether the voltage between YES 1 and 2 of Terminal CN23 is about DC5V Check whether between2 and 3 of Terminal CN23 is about DC15V Replace the outdoor IPM module with a new one the voltage NO Replace the outdoor mainboard with a new one 06 Haier Domestic Air Conditioner 7 3 6 Overheat Protection For Discharge Temperature Indoor display F4 Outdoor display LED1 flash 8 times Method of The exhaust temperature control is checked with the temperature being detected Malfunction by the exhaust pipe thermistor Detection Malfunction When the compressor discharge temperature is above 117 Decision Conditions Supposed m Electronic expansion valve defective Causes m Faulty thermistor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller then measure the temperature at the discharge temperature sensor of the compressor on the outdoor unit 1 The cryogen may have been leaked during YES installation or there may be leakage in the piping The temperature exceeds 110 shortly after the system 2 There may be other causes to make the i nicole Stale ps dis
103. ting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed After inserting the flare nut flaring work is carried out Flare tool for R410A Conventional flare tool Clutch type clutch type Rigid type Wing nut type Imperial type 1 0 1 5mm 1 5 2 0mm Haier 67 HSU 12HEG03 R2 DB SM Installation 2 Remove burs 1 Cut pipe Flare tooling die A 4 Flare pipe Lean Damage of flare Crack Partial Too outside On Drainage Please install the drain hose so as to be downward slope without fail Please dont do the drainage as shown below 2 2 2 2 2 Less than 5cm 50 It becomes end is imm waves The gap with the There is the bad high midway ersed in water ground is too small smell from a ditch Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out surely to outdoor case that the attached drain hose is a room please apply heat insulation to it without fail Refrigerant charge label Contains fluorinated greenhouse gases covered by the Kyoto Protocol This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere Refrigerant type R410A GWP value 1975 GWP global warming potential Please fill in with indelible ink 1 the factory refrigerant charge of the product e2 the additional refrigerant am
104. ual water in the drain will not make the floor wet Incase that a hose 1 buried inside a wall remove it after the drain hose in the wall is pulled out m Use two wrenches to disconnect pipes B When disconnecting pipes cover every nozzle with caps so as not to let dust and moisture in 76 Haier Domestic air conditioner Haier HSU 12HEGOS R2 DB SM Removal of procedure 1 Release the hooks l 2 Release the hook from the back side Lift up the lower part of the fixture plate and remove it 6 Remove the heat exchanger SC m FC AL E sk c
105. unit name plate additional refrigerant amount charged in the field total refrigerant charge outdoor unit refrigerant cylinder and manifold for charging mnimuo du Domestic air conditioner Haier Maintenance For Smart Use of The Air Conditioner Do not block the air inlet or outlet Setting of proper room temperature Proper temperature Close doors and windows during operation During cooling operation prevent the penetration of direct sunlight with curtain or blind If the unit is not to be used for a long time turn off the power supply main switch Use the louvers effectively y OFF ES Replacement of Purifying Filter 1 Open the Inlet Grille Prop up the inlet grille by using a small device named grille support which located in the right side of the indoor unit 2 Detach the standard air filter Slide the knob slightly upward to release the filter then withdraw it 3 Attach Air Purifying Filter Put air purifying filter appliances into the right and left filter frames Haier HSU 12HEGO3 R2 DB SM Introduction Remote Controller Indoor Body wipe the air conditioner by using a soft and dry cloth For serious stains use a neutral detergent diluted with water Wring the water out of the cloth before wiping then wipe off the deterge
106. ver good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing over of the unit can only be considered to have been completed when its handling has been explained to the user without using technical terms but giving full knowledge of the equipment 6 2 Instruction 40 Haier Conditioner Haier A 3 w HSUT2HEGOSRADBFPSM Introduction Parts and Functions B ndoor Unit Remote controller 6 7 display 8 POWER SOFT display 9 HEALTH display 10 QUIET button 11 HEAT button 12 COOL button 13 AUTO button 14 FAN button 15 TIMER button 16 HEALTH button 17 LOCK button Used to lock buttons and LCD display 18 LIGHT button Control the lightening and extinguishing of the indoor LED display board 728 N 19 POWER ON OFF button 20 DRY button i T 21 TEMP button 22 SWING button 23 HOUR button QUIET coo DRY SO SO 1 Inlet 6 Display board 2 Inlet grille 7 Emergency Switch 3 Outlet Air Purifying Filter 4 Vertical blade inside adjust left and right
107. when the content Decision of the data is abnormal Conditions Supposed Indoor unit outdoor unit signal transmission error due to wiring error Causes Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Restart the a c and it The outdoor mainboard needs becomes normally dehumidification If starting up normally but The outdoor mainboard malfunction occurs again after a while needs dedusting Check whether the linking cable between the indoor and outdoor is 1 Reconnect the linking cable well connected or whether its core 2 Replace the linking cable with wires are well insulated new one 59 Haier Domestic Air Conditioner Check the indoor mainboard Yes Measure the voltage between Jumpers 3 and 4 of IC1 on the indoor mainboard with a multimeter No Test the outdoor power supply 230VAC and 310VDC with a multimeter If the voltage is of a constant value of OV DCto5V DC If 230VAC is available but 310DC not the power module is damaged replace with a new one YES If both 230VAC and 310DC are available measure 12V from7805 is available No The indoor mainboard is damaged replace it with a new one The outdoor mainboard is damaged Replace them with a new one Measure the AC voltage between pos

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