Инструкция на Бытовые сплит-системы MDV серии ALPS

Текст инструкции

1. Стр. 1 1ASFI-1103-A

   SERVICE MANUAL MDV AIRCONDITIONER EUROPE MARKET SPLIT WALL-MOUNTED TYPE 1A INVERTER SERIES

2. Стр. 3 1. Precaution

   1.1 Safety Precaution  To prevent injury to the user or other people and property damage, the following instructions must be followed.  Incorrect operation due to ignoring instruction will cause harm or damage.  Before service unit, be sure to read this service manual at first. 1.2 Warning …

3. Стр. 4

   For installation, always contact the dealer or an Authorized service center. There is risk of fire, electric shock, explosion, or injury.  Do not install the product on a defective installation stand. It may cause injury, accident, or damage to the product.  Be sure the installation area does not…

4. Стр. 5

   If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable. There is risk of electric shock or fire.  Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives.…

5. Стр. 6 the neighborhoods

   It may cause a problem for your neighbors.  Use two or more people to lift and transport the product. Avoid personal injury.  Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and…

6. Стр. 7 It is not sanitary could cause serious health issues

    Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury.  Replace the all batteries in the remote control with new ones of the same type. Do not mix old and mew batteries or different types of batteries. There is risk of fire or explosion.  Do…

7. Стр. 8 2. Function

   Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units 9k MS1Ai -09HRFN1 MOC3i -09HFN1 12k MS1Ai -12HRFN1 MOC3i -12HFN1 3D Inverter 6

8. Стр. 9 Indoor unit

   Self clean function Operation by remote controller Concealed display Anti-freezing control in cooling mode Prevent the water being frozen on evaporator by checking the evaporator coil temperatur Silence operation Time Delay Safety control Golden fin (Optional) Indoor fan speed control Turbo wind…

9. Стр. 10 Outdoor unit

   Power relay control Low noise air flow system Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation. Anti-rust cabinet Made from electrolytic zinc steel…

10. Стр. 11 3. Dimension

11. Стр. 12 3.2 Outdoor Unit

12. Стр. 13 4. Refrigerant Cycle Diagram

13. Стр. 14 5. Wiring Diagram

14. Стр. 15 5.2 Outdoor Unit

    MOC3i -09HFN1 MOC3i -12HFN1 14

15. Стр. 16 6. Installation details

    6.1 Wrench torque sheet for installation Additional Outside diameter Torque tightening torque mm inch Ф6.35 1/4 Ф9.52 N.cm N.cm 1500 1600 (153kgf.cm) (163kgf.cm) 2500 2600 (255kgf.cm) (265kgf.cm) 3/8 6.2 Connecting the cables The power cord of connect should be selected according to the following…

16. Стр. 17 6.3 Pipe length and the elevation

    The pipe length and refrigerant amount: Connective pipe Additional amount of Model Air purging length refrigerant Use vacuum All Less than 5m -----------------pump MS1Ai-09HRFN1 MS1Ai-12HRFN1 Use vacuum (Pipe length – 5) × 20g/m More than 5m pump Model MS1Ai-09HRFN1 MS1Ai-12HRFN1 Standard Max. Max.…

17. Стр. 18 6.4 Air purging with vacuum pump

    Air and moisture in the refrigerant system have undesirable effects as below: ● Pressure in the system rises. ● Operating current rises. ● Cooling or heating efficiency drops. ● Moisture in the refrigerant circuit may freeze and block capillary tubing. ● Water may lead to corrosion of parts in the…

18. Стр. 19 out, then tighten the flare nut again. Make sure the pressure display in the pressure indicator is a

    little higher than the atmosphere pressure. 7. Remove the charge hose from the Lo pressure charge hose. 8. Fully open the Hi and Lo packed valve. 9. Securely tighten the cap of the packed valve. Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit…

19. Стр. 20 Open the low-pressure valve on the charge set slightly to purge air from the charge hose

    5. Set the 2-way valve to the close position. 6. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa. 7. Set the 3-way valve to the closed position immediately. Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa. Disconnect the charge set, and…

20. Стр. 21 After purging the air, use a torque wrench to tighten the flare nut to on the 2-way valve

    4. Check the gas leakage. Check the flare connections for gas leakage. 5. Discharge the refrigerant. Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0.3 to 0.5 Mpa. 6. Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way…

21. Стр. 22 6.9 Gas charging

    Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 2. Purge the air from the charge hose.…

22. Стр. 23 7. Operation characteristics

    Temperature Mode Room temperature Cooling operation Heating operation Drying operation ≥17℃ ≤30℃ ＞10℃ -20℃～34℃ 0℃～50℃ -15℃ ～50℃ Outdoor temperature CAUTION: 1. If air conditioner is used outside of the above conditions, certain safety protection features may come into operation and cause the unit to…

23. Стр. 24 8. Electronic function

    8.1 Abbreviation T1: Indoor ambient temperature T2: Coil temperature of indoor heat exchanger T3: Coil temperature of outdoor heat exchanger T4: Outdoor ambient temperature T5: Compressor discharge temperature 8.2 Display function 8.2.1 Icon explanation on indoor display board. Auto indication lamp…

24. Стр. 25 8.3 Main Protection

    8.3.1 Three Minutes Delay at restart for compressor. 1 minute delay for the 1st time start-up and 3 minutes delay for others. 8.3.2 Temperature protection of compressor top. Top temp. protector cut off for 30s and restart the compressor with 3 minutes delay. 8.3.3 Temperature protection of…

25. Стр. 26 8.4 Operation Modes and Functions

    8.4.1 Fan mode. (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates same as in cooling mode. (5) Auto fan: The action of auto fan in fan-only mode is the…

26. Стр. 27

    A 3.0 B 2.5 C 2.0 D 1.5 E 1.0 F 0.5 -0.5 G -1.0 H While Temp.zone A B C D E F G Frequency F8 F8 F7 F6 F5 F3 F1 Note: When T1-Ts keeps in the same temp.zone for 3 minutes, the compressor will run as the below rules: A~E: Increase the frequency to the higher level until to F8. F: Keep the current…

27. Стр. 28 Note

    When AC is in “hold” zone for 3 minutes, the compressor frequency will rise to the higher level.(frequency will increase twice at most) 8.4.2.2 Outdoor fan running rules: 22 High 20 Low 8.4.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as…

28. Стр. 29 8.4.3 Heating Mode

29. Стр. 30 ΔT=0℃ as default

    Note: When T1-Ts keeps in the same temp.zone for 3 minutes, the compressor will run as the below rules: A~E: Increase the frequency to the higher level until to F10. F: Keep the current frequency. G: Decrease the frequency to the lower level until to F1. H: Run at F1 for 1h.(if T1-Ts-ΔT >6℃…

30. Стр. 31 8.4.3.3 Indoor fan running rules

    While Model TEL0（℃） TEL1（℃） ） All models 17 24 If the compressor stops caused by room temperature rising, the indoor fan will be forced to run 127 seconds with breeze. During this period, the anti-cold-wind is disabled. FN1-QD2MS1A-12HRFNQD2 If the machine runs in rating capacity test mode, the…

31. Стр. 32 Condition 2: If T4＜0℃,

    If the 1st condition and 2nd condition items are satisfied,then the program judges if T2 has decreased more than 5℃.When T2 has decreased more than 5℃, enter the defrosting mode. Condition 3: No matter what value T4 is, if the machine runs with T3＜3℃ for more than 120 minutes and T3 keeps lower than…

32. Стр. 33 8.4.3.5 High evaporator coil temp.T2 protection

    (1) T2> TEH2℃, compressor running frequency decreases to the lower level and runs for 20s. When the frequency decreases to F2 and the T2 is still over TEH2℃ for 3 minutes, the compressor will stop. (2) If T2<48℃ or T2 stays in 48℃~ TEH2℃ for 6 minutes, the frequency will not be limited by T2. (3) If…

33. Стр. 34 If the machine switches mode between heating and cooling, the compressor will keep stopping for 15

    minutes and then rechoose mode according to T1-Ts. If the setting temperature is modified, the machine will rechoose running function. 8.4.5 Drying mode 8.4.5.1 Indoor fan speed is fixed at breeze and can’t be changed. The louver angle is the same as in cooling mode. 8.4.5.2 Compressor running rules…

34. Стр. 35 machine will turn to auto mode as 24℃ setting temperature

    Forced auto mode: The action of forced auto mode is the same as normal auto mode with 24℃ setting temperature. 8.4.7 Timer function 8.4.7.1 Timing range is 24 hours. 8.4.7.2 Timer on. The machine will turn on automatically when reaching the setting time. 8.4.7.3 Timer off. The machine will turn off…

35. Стр. 36 power failure. The unit will resume the previous operation setting (not including Swing function)

    automatically after 3 minutes when power returns. If the memorization condition is forced cooling mode, the unit will run in cooling mode for 30 minutes and turn to auto mode as 24℃ setting temp. If AC is off before power off and AC is required to start up now, the compressor will have 1 minute…

36. Стр. 37 9. Troubleshooting

    9.1 Indoor Unit Error Display Display LED STATUS E0 EEPROM parameter error E1 Indoor / outdoor units communication protection E2 Zero-crossing signal error E3 Indoor fan speed out of control E5 Open or short circuit of outdoor temperature sensor E6 Open or short circuit of room or evaporator…

37. Стр. 38 9.2 Diagnosis and Solution

    9.2.1 EEPROM parameter error diagnosis and solution Shut off the power supply and turn on it 5s later The problem comes out again Is the EEPROM chip plugged in indoor PCB well? Replace the main PCB of indoor unit 41 No Correct the connection

38. Стр. 39 9.2.2 Indoor / outdoor units communication protection error diagnosis and solution

    Turn off the power supply, after 1 minute, connect the power supply , turn on the unit with remote controller The unit does not work normally. Check the wiring between indoor and outdoor unit. Is the connection of L, N, S and GND good? No Reconnect and retest Yes Is the LED4(red) bright and…

39. Стр. 40 9.2.3 Fan speed out of control diagnosis

    Shut off the power supply and turn on it 5s later The unit does not work normally Turn off the unit, rotate the cross fan.Does it rotate freely? No Disassemble the connection between fan and motor, check if the bearing is normal. If not, change the bearing.If yes, follow the below step. Yes Is the…

40. Стр. 41 9.2.5 IGBT over-strong current protection diagnosis and solution

    Check whether the connections between outdoor PCB and IPM are good? Yes No Check whether the IPM is fixed to radiator tightly Replae the IPM Fastening the IPM to the radiator The unit does not work normally Replace the compressor 9.2.6 Over voltage or too low voltage protection diagnosis and…

41. Стр. 42 9.2.8 Inverter compressor drive error diagnosis and solution

    Is the connection of compressor good? Is the wiring sequence right? The voltage range proper? No Reconnect and retry Yes Replace the outdoor PCB No Replace inverter compressor. 9.2.9 Zero crossing detection error This is alarm signal when the main chip can’t detect over-zero signal. When such…

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