Инструкция на Инверторные мульти сплит-системы MDV (сервис мануалы)

Текст инструкции

1. Стр. 1 Aurora 3D Inverter Series

   Service Manual 2014 Only for Free Match Indoor unit

2. Стр. 2 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 the unit, be sure to read this service manual at first. 1.2 Warning …

3. Стр. 3 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. There is risk of property damage, failure of product, or electric shock.  Do not open the inlet grill of the product during operation. (Do not touch the…

4. Стр. 4

   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 new batteries or different types of batteries. There is risk of fire or explosion.  Do not…

5. Стр. 5 2. Function

   Model Names of Indoor Capacity 3Dinverter Indoor units 7k MDSAI-07HRFN1 9k MDSAI-09HRFN1 12k MDSAI-12HRFN1 18k MDSAI-18HRFN1 Filter 2 ways of drainage Cold catalyst filter Louver Position Memory Function Ionizer(O) Refrigerant Leakage Detect Silver Ico Filter(O) Self-diag. Function Vitamin C…

6. Стр. 6 3. Dimension

   3.1 Indoor Unit Model W D H MDSAI-07HRFN1 MDSAI-09HRFN1 MDSAI-12HRFN1 MDSAI-18HRFN1

7. Стр. 8 5. Wiring Diagram

   5.1 Indoor Unit

8. Стр. 9 6 Installation Details

   6.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque mm inch N.cm N.cm Ф6.35 1/4 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 3/8 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 1/2 3500(357kgf.cm) 3600(367kgf.cm) Ф15.9 5/8 4500(459kgf.cm) 4700(479kgf.cm) Ф19 3/4…

9. Стр. 10 6.3 Pipe size

   Pipe size Model MDSAI-07HRFN1 MDSAI-09HRFN1 MDSAI-12HRFN1 MDSAI-18HRFN1 Gas Liquid 3/8’’ 1/4’’ (Ф9.52) (Ф6.35) 3/8’’ 1/4’’ (Ф9.52) (Ф6.35) 3/8’’ 1/4’’ (Ф9.52) (Ф6.35) 1/2’’ 1/4’’ (Ф12.7) (Ф6.35) Caution: The capacity test is based on the standard length and the maximum permissive length is based on…

10. Стр. 11 8. Electronic function

    Dispalys ‘ ’ during self clean operation (if aplicable). 8.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 8.2 Display function 8.2.1 Icon explanation on indoor…

11. Стр. 12 9.1 Indoor Unit Error Display

    Operation lamp Timer lamp Display ☆ 1 time X E0 Indoor unit EEPROM parameter error ☆ 2 times X E1 Indoor / outdoor units communication error ☆ 4 times X E3 Indoor fan speed has been out of control ☆ 5 times X E4 Indoor room temperature sensor T1 open circuit or short circuit ☆ 6 times X E5…

12. Стр. 13 9.2 Trouble shooting

    9.2.1 EEPROM parameter error diagnosis and solution(E0/F4) Error Code E0 Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes ● Installation mistake ● PCB faulty Trouble shooting: EEPROM: a read-only memory whose contents can be…

13. Стр. 14 9.2.2 Indoor / outdoor unit’s communication diagnosis and solution(E1)

    Error Code E1 Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions 110 seconds and this condition happens four times continuously. Supposed causes ● Wiring mistake ● Indoor or outdoor PCB faulty Trouble shooting:

14. Стр. 15 9.2.4 Fan speed has been out of control diagnosis and solution(E3)

    Error Code E3 Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Supposed causes ● Wiring mistake ● Fan ass’y faulty ● Fan motor faulty ● PCB faulty Trouble shooting:

15. Стр. 16 Index1

    1:Indoor or Outdoor DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced. DC…

16. Стр. 17 9.2.4 Refrigerant Leakage Detection diagnosis and solution(EC)

    Error Code EC Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and this situation happens 3 times, the display area will…

17. Стр. 18 9.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5)

    Error Code E4/E5 Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes ● Wiring mistake ● Sensor faulty Trouble shooting: Check the connection between temperature sensor and PCB. No Correct the connection…

18. Стр. 19 Main parts check

    1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor.…

19. Стр. 20 Appendix 1 Temperature Sensor Resistance Value Table

Схемы, таблицы и рисунки — в просмотре документа выше. Клик по номеру страницы открывает её в просмотре.