Haier HSU-07HEA03 Service Manual
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Haier HSU-07HEA03 Service Manual

Haier HSU-07HEA03 Service Manual

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Summary of Contents for Haier HSU-07HEA03

  • Page 1 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 2: Error Codes And Description Indoor Display

    HSU-07/09/12HEA03 7.2 Error Codes and Description indoor display Horizontal Blade https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 3 HSU-07/09/12HEA03 Vertical Blades and Swing Motor 9.9 Removal of Outdoor Panel 9.10 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 4: Safety Cautions

    HSU-07/09/12HEA03 Introduction 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.

  • Page 5: Cautions Regarding Products After Repair

    HSU-07/09/12HEA03 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 electrical shock.
  • Page 6 HSU-07/09/12HEA03 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.

  • Page 7: Inspection After Repair

    HSU-07/09/12HEA03 Introduction 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.

  • Page 8: Using Icons List

    HSU-07/09/12HEA03 Introduction 1.1.4 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: 1.1.5 Using Icons List Icon Type of Information Description A “note” provides information that is not indispensable, but may Note: Note nevertheless be valuable to the reader, such as tips and tricks.
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  • Page 15 HSU-07/09/12HEA03 SL 222 SV -C7LU 1200 SAY-56T 0.53 0.95 31.75 31.75 1120.78 1120.78 1175 1225 783*255*543 915*325*599 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 16: Printed Circuit Board Connector Wiring Diagram

    HSU-07/09/12HEA03 4. Printed Circuit Board Connector Wiring Diagram Connectors Indoor PCB 1)CN1connector for transformer input 2)CN2 connector for terminal block 3)CN3 connector for transformer output 4)CN5’’ connector for up and down step motor 5)CN6 connector for ambient temp. sensor and piping temp.sensor 6)CN7 connector for receive receiver display 7)CN8 connector for AC fan motor feedback 8)CN9 connector for AC fan motor...

  • Page 17: Pcb Detail

    HSU-07/09/12HEA03 PCB Detail CN5’’ https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 18 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 19 HSU-07/09/12HEA03 Functions and control State1 State2 State3 Ts-1 Ts+2 Ts+2 Warm start When heating running begins, indoor fan will conduct the following fan control: If the temperature of indoor coil pipe is 23 , start lower wind speed; If the temperature of indoor coil pipe is or the running time of compressor 4 minutes, turn to setting wind speed.
  • Page 20 HSU-07/09/12HEA03 Functions and control Note: Sequence of defrosting actions: 9minutes C ompressor Four-way valve Outdoor fan 1min 1min Under refrigerating and dehumidifying state, the air conditioner will control the outdoor fan as per the temperature Tp of the indoor coil pipe according to the following conditions: Compressor ,outdoor fan Zone of return deference...
  • Page 21 HSU-07/09/12HEA03 Functions and control When the air conditioner is in OFF state, press the emergency switch for 5 seconds till hearing 2 sounds of click from the buzzer, then the air conditioner will turn to the trial run Trial run function state.
  • Page 22 HSU-07/09/12HEA03 Functions and control Executive function after 2 seconds by After receiving remote control signal, the mainboard doesn’t enter the corresponding remoter control: instruction task until 2 seconds elapse. You can set 24-hour timer on or timer off as required, and the minimum time unit is 1 minute.

  • Page 23: Function Of Main Thermistor

    HSU-07/09/12HEA03 Functions and control 5.2 Function of Main Thermistor Note : A: Indoor heat-exchange sensor Indoor heat-exchange 1.The indoor heat exchanger thermistor is used for anti-icing control .During the cooling sensor operation, if the heat exchanger temperature in the room where operation is halted becomes 0°C, it is assumed as icing.

  • Page 24: Value Of Thermistor

    HSU-07/09/12HEA03 Functions and control 5.3 Value of Thermistor 5.3.1 Indoor unit Room sensor R25 =23K ±3.5% B25 /50 =4200K±3% Temp.( ) Max.(K ) Normal(K ) Min.(K ) Tolerance( ) 568.8372 501.0746 440.8435 -1.97 1.75 530.9600 468.6491 413.1441 -1.95 1.74 495.8488 438.5314 387.3645 -1.93...
  • Page 25 HSU-07/09/12HEA03 Functions and control 59.4984 55.9729 52.5917 -1.20 1.15 56.3905 53.1320 50.0006 -1.17 1.13 53.4631 50.4521 47.5523 -1.15 1.11 50.7048 47.9230 45.2384 -1.13 1.09 48.1049 45.5355 43.0505 -1.10 1.07 45.6534 43.2808 40.9813 -1.08 1.04 43.3410 41.1509 39.0236 -1.05 1.02 41.1592 39.1381 37.1708 -1.03...
  • Page 26 HSU-07/09/12HEA03 Functions and control 7.3580 6.8556 6.3797 -1.85 1.76 7.0796 6.5884 6.1237 -1.90 1.79 6.8131 6.3329 5.8793 -1.94 1.83 6.5581 6.0887 5.6459 -1.99 1.87 6.3140 5.8552 5.4230 -2.03 1.91 6.0802 5.6318 5.2100 -2.07 1.95 5.8563 5.4181 5.0065 -2.12 1.99 5.6417 5.2136 4.8120 -2.16...
  • Page 27 HSU-07/09/12HEA03 Functions and control 1.5650 1.3900 1.2331 -4.08 3.66 1.5180 1.3470 1.1937 -4.13 3.70 1.4726 1.3054 1.1559 -4.19 3.75 1.4287 1.2654 1.1194 -4.24 3.80 1.3864 1.2268 1.0842 -4.30 3.84 1.3455 1.1895 1.0503 -4.36 3.89 1.3060 1.1535 1.0176 -4.42 3.94 1.2679 1.1188 0.9860 -4.47...
  • Page 28 HSU-07/09/12HEA03 Functions and control Pipe Sensor R25 =10K ±3% B25 /50 =3700K±3% Temp.(( )) Max.(K ) Normal(K ) Min.(K ) Tolerance( ) 165.2170 147.9497 132.3678 -1.94 1.75 155.5754 139.5600 125.0806 -1.93 1.74 146.5609 131.7022 118.2434 -1.91 1.73 138.1285 124.3392 111.8256 -1.89 1.71 130.2371...
  • Page 29 HSU-07/09/12HEA03 Functions and control 18.2580 17.4331 16.6305 -1.06 1.03 17.4442 16.6782 15.9315 -1.03 1.01 16.6711 15.9601 15.2657 -1.01 0.99 15.9366 15.2770 14.6315 -0.98 0.96 15.2385 14.6268 14.0271 -0.96 0.94 14.5748 14.0079 13.4510 -0.93 0.92 13.9436 13.4185 12.9017 -0.91 0.90 13.3431 12.8572 12.3778 -0.88...
  • Page 30 HSU-07/09/12HEA03 Functions and control 3.0919 2.8922 2.7029 -2.04 1.93 2.9909 2.7948 2.6092 -2.08 1.97 2.8936 2.7012 2.5193 -2.13 2.01 2.8000 2.6112 2.4328 -2.17 2.05 2.7099 2.5246 2.3498 -2.22 2.09 2.6232 2.4413 2.2700 -2.26 2.13 2.5396 2.3611 2.1932 -2.31 2.17 2.4591 2.2840 2.1195 -2.36...
  • Page 31 HSU-07/09/12HEA03 Functions and control 0.7848 0.7036 0.6303 -4.34 3.92 0.7641 0.6845 0.6127 -4.40 3.97 0.7441 0.6661 0.5957 -4.46 4.02 0.7247 0.6482 0.5792 -4.51 4.07 0.7059 0.6308 0.5632 -4.57 4.12 0.6877 0.6140 0.5478 -4.63 4.16 0.6700 0.5977 0.5328 -4.69 4.21 0.6528 0.5820 0.5183 -4.74...

  • Page 32: System Configuration

    HSU-07/09/12HEA03 System Configration 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.

  • Page 33: Safety Instructions And Warnings

    HSU-07/09/12HEA03 Cautions Safety Instructions and Warnings Disposal of the old air conditioner Before disposing an old air conditioner that Before starting the air conditioner, read the goes out of use, please make sure it's inop- information given in the User's Guide caref- erative and safe.
  • Page 34 HSU-07/09/12HEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

  • Page 35: Safety Instruction

    HSU-07/09/12HEA03 System Configuration Cautions Safety Instruction Please read the following Safety Instructions carefully prior to use. The instructions are classified into two levels, WARNING and CAUTION according to the seriousness of possible risks and damages as follows. Compliance to the instructions are strictly required for safety use.
  • Page 36 HSU-07/09/12HEA03 System Configuration Cautions WARNING When abnormality such as burnt-small found, Use an exclusive power source with a immediately stop the operation button and circuit breaker contact sales shop. STRICT ENFORCEMENT Connect power supply cord Use the proper voltage Do not use power supply cord to the outlet completely extended or connected in halfway STRICT...

  • Page 37: Parts And Functions

    (inside) Actual inlet grille may vary from the one shown in the manual according to the product purchased For 22k unit, the power plug is on the outdoor unit Outdoor Unit HSU-07HEA03 HSU-09HEA03 HSU-12HEA03 OUTLET CONNECTING PIPING AND ELECTRICAL WIRING...
  • Page 38 HSU-07/09/12HEA03 Remote controller Display board 7. SIGNAL SENDING display 8. TIMER OFF display 9. TIMER ON display ON/OFF TEMP 10. CLOCK display 11. TEMP display 12. POWER ON/OFF Used for unit start and stop. MODE 13. MODE Used to select AUTO run, COOL, DRY and FAN operation 14.
  • Page 39 HSU-07/09/12HEA03 System Configuration Remote controller's operation When in use, put the signal transmission head directly to the receiver hole on the indoor unit. The distance between the signal transmission head and the receiver hole should be within 7m without any obstacle as well. Don't throw the controller, prevent it from being damaged.

  • Page 40: Auto Operation

    HSU-07/09/12HEA03 Auto Operation (1) Unit start Press ON/OFF on the remote controller, unit starts. (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: Remote controller: HEAT AUTO COOL ON/OFF TEMP Then Select Auto operation MODE (3) Fan speed selection Press FAN button.

  • Page 41: Cool Operation

    HSU-07/09/12HEA03 Cool Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: HEAT AUTO COOL ON/OFF TEMP Unit will run in operation mode displayed on LCD.

  • Page 42: Dry Operation

    HSU-07/09/12HEA03 Dry Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: ON/OFF TEMP HEAT AUTO COOL MODE Unit will run in operation mode displayed on LCD.

  • Page 43: Heat Operation

    HSU-07/09/12HEA03 Heat Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: HEAT AUTO COOL ON/OFF TEMP Unit will run in operation mode displayed on LCD.
  • Page 44 HSU-07/09/12HEA03 Heat Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: HEAT AUTO COOL ON/OFF TEMP Unit will run in operation mode displayed on LCD.

  • Page 45: Fan Operation

    HSU-07/09/12HEA03 System Configuration Operation Fan Operation (1) Unit start Press ON/OFF button, unit starts. Previous operation status appears on display. (Not Timer setting) (2) Select operation mode Press MODE button. For each press, operation mode changes as follows: ON/OFF TEMP HEAT AUTO COOL...

  • Page 46: Air Flow Direction Adjustment

    System Configration HSU-07/09/12HEA03 Operation Air Flow Direction Adjustment 1.Status display of air sending Horizontal flap Remote controller ( Cool/Dry standard position) Blank Pos.1 ( Upward swing ) Pos.2 ( Downward swing ) Pos.3 ( Auto swing ) Pos.4 ON/OFF TEMP 2.Up and down air flow direction(Use remote controller) MODE For each press of SWING button, air flow direction on remote...

  • Page 47: Operation Mode

    ystem Configration HSU-07/09/12HEA03 Operation Comfortable SLEEP Operation further 3 hours then stops. Temp. is lower Before going to bed, you can simply press the than temp. setting so that room temperature SLEEP button and unit will operate in SLEEP won't be too high for your sleep. mode and bring you a sound sleep.
  • Page 48 System Configration HSU-07/09/12HEA03 Operation HEALTH Operation 1.Unit start Press the ON/OFF switch ON/OFF TEMP 2.Health anion function Press the " HEALTH"once, " " is displayed, now the MODE air conditioner is operating the healthy function. TIMER SWING CLOCK 3.To Cancel HEALTH Model SLEEP HEALTH Press the "...

  • Page 49: Timer On/Off

    System Configuration HSU-07/09/12HEA03 Operation Timer On/Off Operation Set Clock correctly before starting Timer operation You can let unit start or stop automatically at following times: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (1)After unit start, select your desired operation mode.
  • Page 50 System Configuration HSU-07/09/12HEA03 Operation Timer On-Off Operation (1)After unit start, select your desired operation mode Operation mode will be displayed on LCD. (2) Press TIMER button to change TIMER mode. Every time the button is pressed, display changes as follows: blank TIMER ON TIMER OFF...

  • Page 51: Emergency Operation

    HSU-07/09/12HEA03 System Configuration Operation Emergency operation and test operation Emergency Operation: Use this operation only when the remote controller is defective or lost. When the emergency operation switch is pressed, the " Pi "sound is heard once, which means the start of this operation. In this operation, the system automatically selects the operation modes, cooling or heating, according to the room temperature: Room...

  • Page 52: Maintenance

    System Configuration HSU-07/09/12HEA03 Maintenance For Smart Use of The Air Conditioner Setting of proper room Do not block the air inlet temperature or outlet Proper temperature Close doors and windows Use the timer effectively during operation During cooling operation prevent the penetration of direct sunlight with curtain or blind Use the louvers effectively...

  • Page 53: Remote Controller

    HSU-07/09/12HEA03 System Configuration Maintenance For Smart Use of The Air Conditioner WARNING Before maintenance,be sure to turn off the system and the circuit breaker. Remote Controller Indoor Body Wipe the air conditioner by using a soft and dry cloth.For serious stains,use a neutral Do not use water wipe the controller with a detergent diluted with water.Wring the water dry cloth.Do not use glass cleaner or chemical...

  • Page 54: Replacement Of Air Purifying Filter

    HSU-07/09/12HEA03 System Configuration Maintenance Replacement of Air Purifying Filter 1.Open the lnlet Grille Prop up the inlet grille by using a small device named grille-support which located in the right side of the ind- oor unit. 2.Detach the standard air filter Slide the knob slightly upward to release the filter, then withdraw it.

  • Page 55: Troubleshooting

    HSU-07/09/12HEA03 System Configuration Trouble shooting Before asking for service, check the following first. Phenomenon Cause or check points The system does not restart When unit is stopped, it won't restart immediately. 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.
  • Page 56 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 57 Troubleshooting * Caution Correct the connection notes: 7.2.2 Indoor EEPROM error Indoor Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 58 Troubleshooting 7.2.3 Fan Motor(AC Motor) or Related Abnormality Indoor Display Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 59 Troubleshooting https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 60 HSU-07/09/12HEA03 8.Installation Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution 4.Spanner(17,19 and 26mm) 8.Knife 11.Measuring tape Drawing for the installation of indoor and outdoor units Accessory parts Number Accessory parts...
  • Page 61 HSU-07/09/12HEA03 5 15 Floor fixing dimensions of the outdoor unit (Unit:mm) HSU-07HEA03 HSU-09HEA03 HSU-12HEA03 Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. Fixing of outdoor unit When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.

  • Page 62: Indoor Unit

    HSU-07/09/12HEA03 Indoor unit Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first 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.
  • Page 63 HSU-07/09/12HEA03 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 Heat insulation Piping...
  • Page 64 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. Power cable: -mod 07-09-12: 3G1.0mm HSU-07HEA03 Indoor unit HSU-09HEA03 Outdoor unit HSU-12HEA03...

  • Page 65: Outdoor Unit

    HSU-07/09/12HEA03 Outdoor unit Outdoor unit 1.Installation of Outdoor Unit Drawing for the installation of indoor and outdoor units Install according to 2.Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe Connecting the pipe of gas side first makes working easier.
  • Page 66 10 sec tighten it up. Gas comes out through flare nut on wide pipe. If no gas is discharged, tighten flare nut with specified torque. (4) Open 2-way and 3-way valves HSU-07HEA03 using specified torque. HSU-09HEA03 HSU-12HEA03 (5) Tighten the caps on the valves with specified torque.
  • Page 67 HSU-07/09/12HEA03 1.Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2.Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed.

  • Page 68: Removal Procedure

    HSU-07/09/12HEA03 Removal Procedure 9. Removal Procedure Indoor unit Removal of Air Filter Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step 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.
  • Page 69 HSU-07/09/12HEA03 3-hooks https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 70 HSU-07/09/12HEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 71 HSU-07/09/12HEA03 Pull the two bolt dowels Pull the air filters and removel them https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 72 HSU-07/09/12HEA03 three https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 73 HSU-07/09/12HEA03 Pull the two chips out from the frame https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 74 HSU-07/09/12HEA03 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 75 HSU-07/09/12HEA03 marked and pull the electrical control box cover out Loosen the two mark- ed screw and then loo- sen the hooks marked the concrol box can be pulled out hooks https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 80 HSU-07/09/12HEA03 Outdoor panel https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
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  • Page 90 HSU-07/09/12HEA03 Appendix 10. Appendix https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 91 HSU-07/09/12HEA03 HSU-12HEA03 RECEIVER DISPLAY FUSE NOTE: 1.See above for wiring of heat pump type. 2.There are no dotted lines on cool only type.(marked with @),Wire is connected from 4 (marked with @@) on terminal block to 1. 3.The parts are optional. https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...
  • Page 92 HSU-07/09/12HEA03 07/09HEA03 RECEIVER DISPLAY FUSE TO OU T D O OR U N I T NOTE: 1.HEAT PUMP Connecting wire is shown above (including dotted lines) 2.COOLING ONLY W:WHITE (1) No dotted lines marked with @ Y/G:YELLOW/GREEN (2) The CT(marked with @@) may not be used in some R:RED cooling only models.

  • Page 93: Circuit Diagram

    HSU-07/09/12HEA03 Appendix 10.3 Circuit Diagram +12V BUZZ 2SB1182 0.1UF R8 10K 20K 1% TE ST +12V 0.01U F C16 0.1UF Frashair RO OM AT24C02B CON8 CON7 BLACK PI PE 4.7uF-16V 3.3K1% B4B-XH 4.7K 4.7uF-16V 2SC2412 0.01U F C4 0.01U F R31 1K CN7 S8B-PH /89401-0810 COM3...
  • Page 94 https://splitsystema48.ru/instrukcii-po-ekspluatacii-kondicionerov.html...

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