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SERVICE MANUAL

Wall

Mounted

Type

DC Inverter

Model

No.

PDAHRA

This servic e informatio n is designed for experience d repai r technician s only and is not designe d for use by the genera l public.

It does not contai n warning s or caution s to advise non-technic al individuals of potentia l dangers in attemptin g to servic e a product.

Product s powered by electricit y shoul d be service d or repaire d only by experience d professiona l technicia ns. Any attemp t to service or

Repai r the produc t or product s dealt with in this servic e information by anyone else could result in seriou s injury or death

WARNING

(Qing

dao

Haier

Air

Condi

tioner

Genera

corp.

Ltd)

All

rights

reser

ved.

Unauthoriz

copying

and

distributio

violati

law

Haier Group

Version V1

Date

-1

Содержание AS50PDAHRA

Страница 1: ...gers in attemptin g to servic e a product Product s powered by electricit y should be service d or repaire d only by experience d professiona l technicia ns Any attemp t to service or Repai r the produc t or product s dealt with in this servic e information by anyone else could result in seriou s injury or death WARNING 2020 Qingdao Haier Air Condi tioner Genera l corp Ltd All rights reserved Unau...

Страница 2: ...troduction 1 2 Features 7 3 Specifications 8 4 Sensors list 9 5 Piping diagrams 10 6 Printed circuit board connector wiring diagram 11 7 Functions and control 8 Dimensional drawings 9 Center of gravity 10 Service Diagnosis 11 Circuit diagrams 14 44 27 26 26 ...

Страница 3: ...on 1 1 Model name explanation A S 5 0 P D A H R A Indoor unit Type of indoor unit S wall mounted Nominal cooling capacity 18000BTU h Platform of indoor units T T platform 50T Platform Version number Indoor units DC inverter Apply toT1 220 240V50HZ 1ph ...

Страница 4: ...test operation to ensure that the equipment operates Normally and explain the cautions for operating the product to the customer 1 2 1 Embedded wire checking before installation Check the embedded wire diameter suitable to request Power supply from indoor 2 5kw 1 0mm 2 3 5kw 5kw 1 5mm 2 7kw 1 0mm 2 Power supply from outdoor 1 0mm 2 Check the embedded wire are four roots L N COM GND GND is needed i...

Страница 5: ...an cause an electrical shock or fire 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 electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shock Be sure ...

Страница 6: ...er 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 m...

Страница 7: ...emains 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 seal are not installed properly water can enter the room and wet the furniture and floor 1 2 4 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 ...

Страница 8: ...ock 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 1 2 4 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 2 5 Using Icons List Icon Type of Information Description Note Note A note provides infor...

Страница 9: ...ool room within a much shorter time micro particles including dust virus and bacteria to provide healthier environment Strong Airflow With improved fan and air duct the air conditioner supplies up to 25 more air volume than the conventional Warm Start Blows no cold air when the unit is starting to work at heating mode or change from cooling mode to heating mode 15 C Heating Provides powerful heati...

Страница 10: ... r e w o P 0 4 1 6 W W P O C S R E E S 287 h W K n o i t p m u s n o c y g r e n e l a u n n A h m l a v o m e R e r u t s i o M TECHNICAL SPECIFICATIONS m m D W H s n o i s n e m i D m s n o i s n e m i D d e g a k c a m P D W H G K t h g i e W G K t h g i e w s s o r G r o l o C Sound level Sound pressure Hi Mid Lo Si Sound power high 2 0 10 1610 dB A White dB A 5 0 1 3 5 8 17060 4430 19790 5 2 ...

Страница 11: ...movable Washable Mildew Proof Temperature control Microcomputer Control 0010401715B l e d o m r e l l o r t n o c e t o m e R Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB Outdoor 35 DB 24 WB Indoor 20 DB Outdoor 7 DB 6 WB 5m 4 Sensors list type Description Qty 1 r o f d e s u s t I m and pipe sensor o o e ...

Страница 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 CAPILLARY CAPILLARY ...

Страница 13: ...1 CN11 Connector for RIGHT LEFT STEP motor 6 CN7 Connector for display board 7 CON2 CON3 Connector for ion generator 8 CN23 red line Connector for communicate between the indoor board and the outdoor board 9 CN36 10 CN34 11 CON1 12 CN2 13 CN51 14 CN1 15 CN3 J1 OFF OFF ON ON J2 OFF ON OFF ON DISPLAY SERIES 325 798 324 387 1045 317 Printed circuit board connector wiring diagram Note Other designatio...

Страница 14: ...Printed circuit board connector wiring diagram PCB 1 12 Domestic air conditioner ...

Страница 15: ...Functions and control 13 Domestic air conditioner Wiring diagrams INDOOR UNIT SWITCH UP DOWN STEPMOTOR LEFT RIGHT STEPMOTOR WIFI WIRED CONTROLLER R W BL CONDENSER MAG SWITCH SW1 CN14 ...

Страница 16: ... Backlash B the compressor will be shutted 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 1ć Automatic When Tr Ts 3ć high speed When Ts 1ć Tr Ts 3ć medium speed When Tr Ts 1ć low speed When the sensor is off low speed When the airflow speed has no dela...

Страница 17: ...topped 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 delayed for 3 minutes remain at high speed for 3 minutes before the next switch Manual When the sensor is off or Tr Ts 3ć the manual operation can not be made obligatory automatic operation Airga...

Страница 18: ...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 fan control functions as below Residue heat sending The indoor fan will send the residue heat at a low speed for 20 seconds If other conditions are satisfied when the compressor stops the indoor system will operate at a light spee...

Страница 19: ...eration 7 1 7 Air refreshing This model does not choose 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 Nano Aqua operates to realize the ions sending function If the indoor fan stops the Nano Aqua is turned off When the Nano Aqua is turned off if the air refreshing ...

Страница 20: ...etting If the fan is at the low speed before the dormant setting the speed will not change 7 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...

Страница 21: ...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 7 1 14 Malfunction list resume Nothing is presented if there is no code list The malfunction dis...

Страница 22: ...ion 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 signal operate according to the remote control and the urgent conditions the present status will be store...

Страница 23: ... 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 6714 1 54 1 44 8 48 3178 44 8454 41 5851 1 51 1 42 7 45 8860 42 6525 39 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 38 6207 35 9739 1 45 1 37 ...

Страница 24: ...9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 9852 6 7008 6 4222 1 10 1 07 36 6 7273 6 4459 6 1707 1 13 1 11 37 6 4803 6 2021 5 9304 1 17 1 14 38 6 2437 5 9687 5 7007 1 21 ...

Страница 25: ...9 2 42 71 2 0337 1 8778 1 7324 2 63 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 3360 3 02 2 80 80 1 5454 1 4149 1 2942 3 07 2 84 81 1 5000 1 3721 1 2540 3 12 2 88 82 1 4562 1 3308 1 ...

Страница 26: ...2 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140 0 5478 4 63 4 16 110 0 6700 0 5977 0 5328 4 69 4 21 111 0 6528 0 5820 0 5183 4 74 4 26 112 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 ...

Страница 27: ...Service diagnosis Domestic air conditioner 8 Dimensional unit mm 9 Center of gravity unit mm 26 I 975 I I 220 220 二 330 I I 320 975 320 ...

Страница 28: ...CB is broken Operation sometimes stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among roo...

Страница 29: ... over under voltage protection Page 37 F19 Trouble record 7 Compressor stall press instantaneous stop F27 Directly display 8 Compressor discarging temperature protection Page 38 F4 Directly display F8 Trouble record 9 Abnormal of DC motor Page 32 F21 Directly display 10 Abnormal of piping sensor Page 29 F7 Directly display 11 Suction temperature sensor failure Page 29 Outdoor Malfunction 12 Abnorm...

Страница 30: ...or input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions z Note The values vary slightly in some models Supposed Ŷ Faulty connector connection Causes Ŷ Faulty thermistor Ŷ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Thermistor resistance check method Remove the ...

Страница 31: ... 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 Ŷ Faulty EEPROM data Causes Ŷ Faulty EEPROM Ŷ Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the indoor or outdoor mainboard...

Страница 32: ...r due to faulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1and 3 of Terminal CN5 on the indoor PCB the voltage is about 90 220vac check wheth...

Страница 33: ...ing condition and so on Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Ƶ DC fan motor protection dues to the DC fan motor faulty Causes Ƶ DC fan motor protection dues to faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Страница 34: ...e power Measure the resistances between black line 0V and red line 310V between black line 0V and white line 15V of the fan motor NO YES The resistances are greater than 40K NO YES The motor of the outdoor unit is damaged and needs replacing NO the resistances between 0V and 310V between 0V and 15V of the fan terminal of outdoor pcb are greater than 10M The module pcb is damaged replace it with a ...

Страница 35: ... to IPM protection due to over current Decision Ŷ The compressor faulty leads to IPM protection Conditions Ŷ circuit component of IPM is broken and led to IPM protection Supposed Ŷ IPM protection dues to the compressor faulty Causes Ŷ IPM protection dues to faulty PCB of IPM module Ŷ Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnec...

Страница 36: ...pply 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 are reported before or upon the compressor being started up IPM Module is damaged and needs replacing Repair the power supply The system may have been over or under charged with gas...

Страница 37: ...isconnected 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 Are they good Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Te...

Страница 38: ...Supply voltage not as specified Causes Ŷ the IPM module is broken Ŷ 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 Electrify the machine again and turn it on with the remote controller Check whether the compressor is started normally Is it ok Yes Maybe there is some disturbance NO No 230...

Страница 39: ... occurred Electrify the machine again and turn it on with the remote controller then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit The temperature exceeds 110 ć shortly after the machine starts up 1 The cryogen may have been leaked during installation or there may be leakage in the piping system 2 There may be other causes to make the exhaust tempe...

Страница 40: ...utdoor PCB Malfunction Detection Malfunction Ŷ The outdoor PCB broken leads to communication fault Decision Ŷ The indoor PCB broken leads to communication fault Conditions Supposed Ŷ Communication wiring disconnected Causes Ŷ The indoor PCB is broken Ŷ The outdoor PCB is broken Ŷ The Module PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connecto...

Страница 41: ...Service diagnosis 40 Domestic air conditioner ...

Страница 42: ...mpressor Ƶ 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 on with the remote controller check whether the compressor can start up 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged At first the co...

Страница 43: ...Dirty heat exchanger Ƶ Faulty heat exchange sensor Ƶ Insufficient gas 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 check whether the wind temperature is below 65ć The malfunction is reported after the machine has run for some time 1 ǃ Check r...

Страница 44: ... R6 3 3 FLZ Nettx 100Ω 0805 COM3 BUZZ1 FJ pwm 4 P41 TI07 TO07 42 Netrx DIGH R16 100Ω 0805 COM2 PKM13EPY 4002 R82 12V MODE 5 41 E1 5V GND 220Ω 0805 RST 6 P40 TOOL0 40 R50 CSTLS8M00G53 三脚 8M 0 5 7 P R 1 E 2 S 4 R T XT2 39 SER 100Ω 0805 DS1 R18 100uF 25V SER 蜂鸣器 12V DS2 8 38 RCK R17 100Ω 0805 2K XT1 RCK 2 NetLabel_9 9 P123 XT1 SRCK R21 100Ω 0805 SRCK 10 P137 INT0 P54 37 IR IC8 36 IR JS 2004B 10K 红色立...

Страница 45: ...VR14621 620V CY5 CN27 CY4 1 220V_N 2 2nF 250VAC D250 2 2nF 250VAC 5V R13 330Ω 0805 S1M MRA4007 IC4 R12 100K 0805 D11 R14 R90 N5 L 3 60 COMM_TX 2SC2412K 47K 5 3W 4 7K R15 E4 R91 R19 TLP388 SO6L C8 ZD4 47K 5 3W 4 7K 10K IC6 C18 SM4746A 18V 1W 5V 10nF 0805 D17 R66 N1 4 7K R67 S1M MRA4007 220V_N R20 2 2nF 250VAC D14 S1M MRA4007 3 59 COMM_RX 10K 1K PC817A CY3 N8 C9 R22 1K 0805 1nF 2SC2412K R70 D12 R26 ...

Страница 46: ...stic air conditioner Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China_ Http www haier com Edited by Signed by Approved by Shi Haiyan Wang wanli Li jingsheng Yang wenjun ...

Страница 47: ...Wall Mounted Type REMOVAL PROCEDURE ...

Страница 48: ... unit 1 Remove the front panel Step Procedure Points 1 Features 2 Remove the front panel Procedure Points 1 2 Release the four pieces of tape Hold the front panel by the tabs on the both sides and lift it until it stops with a click ...

Страница 49: ...2 Step Procedure Points 3 4 Loosen the screw and lift up the control box cover Pull the wires out of the control box and then release the pivots on both sides of the unit t o remove the front panel ...

Страница 50: ... Points 1 2 Lift the right air filter upwards slightly and then pull it out downwards Lift the left air filter upwards slightly and then pull it out downwards Remove the horizontal flap Procedure Points 1 Release the Center of the pivot Bend the horizontal blade slightly and remove it ...

Страница 51: ...4 3 Remove the casing Step Procedure Points 1 2 Release the screw covers 3EA Loosen the marked screw 6EA lift up the screw covers and then release them Embo ...

Страница 52: ...marked hooks 4EA and then Pull the grille out Horizontally and remove it When assembling install the front grille horizontally so as not to stuff the flap inside When assembling make sure the four hooks are caught properly HOLE 4EA HOOK 4EA ...

Страница 53: ...l box Release stepping motor Step Procedure Points 1 Loosen the stepping motor screws 2EA and then remove the stepping motor Remove the grounding screw and TEMP sensor Procedure Points 2 3 Loosen the grounding screws 2EA remove the TEMP Sensor ...

Страница 54: ...edure Points 1 2 Remove stepping motor wires and fun motor wires from the Appliance Control Board and then Pull the of the wires out of the control box Loosen the control Box screws 1EA and then pull it Loosen the control Box screw ...

Страница 55: ...P 1 2 3 4 5 Loosen the marked screws 1EA Pull mounting plate and heat exchanger bracket and then release them Release the fixture plate from the base Frame hook and remove it Loosen the marked screws 5EA contains 1 screws on the right side Remove the heat Exchanger ...

Страница 56: ...moval of Fan motor and fun Removal of Fan motor Step Procedure Points 1 2 Loosen the marked screws 4EA and release the cover of fan motor Loosen the marked screw 2EA and remove the fan motor brackets up down ...

Страница 57: ...10 Step Procedure Points 3 Loosen the marked screw 1EA and remove fan motor Remove of fan Step Procedure Points 1 Lift up the fan and remove it and then remove the bearing housing ...

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