1. Manuals
  2. Brands
  3. Midea Manuals
  4. Air Conditioner
  5. MSEAAU-09HRFN1(SB)
  6. Service manual

Midea MSEAAU-09HRFN1(SB) Service Manual

Kids star inverter series, indoor/outdoor units
Hide thumbs
Table of Contents

Advertisement

Quick Links

DM16-01.01.23en
KIDS STAR Inverter Series
Service Manual 2016
MSEAAU-09HRFN1(SB) / MOA01-09HFN1
MSEABU-12HRFN1(SB) / MOB01-12HFN1
MSEAAU-09HRFN1(SP) / MOA01-09HFN1
MSEABU-12HRFN1(SP) / MOB01-12HFN1

Advertisement

Table of Contents
loading

Related Manuals for Midea MSEAAU-09HRFN1(SB)

Summary of Contents for Midea MSEAAU-09HRFN1(SB)

  • Page 1 DM16-01.01.23en KIDS STAR Inverter Series Service Manual 2016 MSEAAU-09HRFN1(SB) / MOA01-09HFN1 MSEABU-12HRFN1(SB) / MOB01-12HFN1 MSEAAU-09HRFN1(SP) / MOA01-09HFN1 MSEABU-12HRFN1(SP) / MOB01-12HFN1...

  • Page 2: Table Of Contents

    Kids Star Inverter DM16-01.01.23en CONTENTS   1. Precaution ..............................3 1.1 Safety Precaution ........................3   1.2 Warning ............................3     2. Function ................................ 6   3. Specification ..............................7   4. Dimension ..............................9 4.1 Indoor Unit ........................... 9   4.2 Outdoor Unit ..........................

  • Page 3: Precaution

    DM16-01.01.23en Kids Star Inverter 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. ...
  • Page 4 Kids Star Inverter DM16-01.01.23en There is risk of fire or electric shock.  Do not touch (operation) the product with wet hands.  Do not place a heater or other appliance near the power cable. There is risk of fire and electric shock. ...
  • Page 5 DM16-01.01.23en Kids Star Inverter  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 evaporator fins, could cause product malfunction or inefficient operation. ...

  • Page 6: Function

    Kids Star Inverter DM16-01.01.23en 2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units MSEAAU-09HRFN1(SB) MOA01-09HFN1 Inverter MSEAAU-09HRFN1(SP) MSEABU-12HRFN1(SB) MOB01-12HFN1 MSEABU-12HRFN1(SP) Service manual...

  • Page 7: Specification

    DM16-01.01.23en Kids Star Inverter 3. Specification Indoor  MSEAAU‐09HRFN1(SB)/(SP)  MSEABU‐12HRFN1(SB)/(SP)  Outdoor  MOA01‐09HFN1  MOB01‐12HFN1  Power supply  Ph‐V‐Hz  220‐240V~ 50Hz, 1Ph  220‐240V~ 50Hz, 1Ph  Btu/h  9000(4000‐11300)  12000(4300‐15200)  Rated Cooling  Capacity                    kW  2.64 (1.17~3.31)  3.52 (1.26~4.45)  Cooling Power input     W  830(100‐1290)  1120(107‐1670)  Cooling    Current    ...
  • Page 8 Kids Star Inverter DM16-01.01.23en b.Tube pitch(a)x row pitch(b)    mm  21x13.37  21x13.37  c.Fin spacing                            mm  1.3  1.3  d.Fin type (code)     Hydrophilic aluminium  Hydrophilic aluminium  e.Tube outside dia.and type    mm  Φ7,innergroove tube  Φ7,innergroove tube  f.Coil length x height x width    mm  605x315x26.74  605x315x26.74  g.Number of circuits ...

  • Page 9: Dimension

    DM16-01.01.23en Kids Star Inverter 4. Dimension 4.1 Indoor Unit Model MSEAAU-09HRFN1(SB)/(SP) MSEABU-12HRFN1(SB)/(SP) Service manual...
  • Page 10 Kids Star Inverter DM16-01.01.23en For MSEAAU-09HRFN1(SB), MSEABU-12HRFN1(SB)， Service manual...
  • Page 11 DM16-01.01.23en Kids Star Inverter Suggested installation positions: (AC=air conditioner) Not recommended installation positions: (AC=air conditioner) Effective Detection range of intelligent eye: -- cover a level angle of 140 degrees, a fan-shaped area with a radius of 4 meters; -- the detection radius is determined by the air conditioner installation position. It is recommended to install the unit at 220mm~250mm from the floor.

  • Page 12: Outdoor Unit

    Kids Star Inverter DM16-01.01.23en 4.2 Outdoor Unit Service manual...
  • Page 13 DM16-01.01.23en Kids Star Inverter For MOA01-09HFN1， 741 W3 452 W1 300 D 728 W 70 W2 D2 D3 20 A1 61.6 A2 Service manual...
  • Page 14 Kids Star Inverter DM16-01.01.23en For MOB01-12HFN1, 815 W3 514 W1 333 D 800 W 70 W2 62 B1 D2 D3 20 A1 61.6 A2 Service manual...

  • Page 15: Capacity Tables

    DM16-01.01.23en Kids Star Inverter 5. Capacity tables MSEAAU-09HRFN1(SB)/(SP) / MOA01-09HFN1 Cooling COOLING OUTDOOR TEMPERATURE DRY Indoor Conditions -15ºC - 10ºC - 5ºC 0ºC 5ºC 10ºC 15ºC 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 2,17 2,19 2,21 2,24 2,26 2,28 2,30...
  • Page 16 Kids Star Inverter DM16-01.01.23en MSEABU-12HRFN1(SB)/(SP) / MOB01-12HFN1 Cooling COOLING OUTDOOR TEMPERATURE DRY Indoor Conditions -15ºC - 10ºC - 5ºC 0ºC 5ºC 10ºC 15ºC 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 2,89 2,92 2,95 2,98 3,01 3,04 3,07 3,10 3,31 3,34...

  • Page 17: Refrigerant Cycle Diagram

    DM16-01.01.23en Kids Star Inverter 6. Refrigerant Cycle Diagram INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE T3 Condenser temp. sensor CAPILIARY TUBE HEAT EXCHANGE HEAT (EVAPORATOR) T4 Ambient T1 Room temp. EXCHANGE temp. sensor sensor (CONDENSER) T2 Evaporator temp.

  • Page 18: Installation Details

    Kids Star Inverter DM16-01.01.23en 7. Installation Details 7.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque inch N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) Ф15.9 4500(459kgf.cm) 4700(479kgf.cm) Ф19 6500(663kgf.cm) 6700(683kgf.cm) 7.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet.

  • Page 19: Pipe Length And The Elevation

    DM16-01.01.23en Kids Star Inverter 7.3 Pipe length and the elevation The pipe length and refrigerant amount: Standard Max. Max. Additional Pipe size Model length Elevation Length refrigerant Liquid B (m) A (m) (g/m) MSEAAU-09HRFN1(SB) + MOA01-09HFN1 3/8’’ 1/4’’ (Ф9.52) (Ф6.35) MSEABU-12HRFN1(SB) + MOB01-12HFN1 Caution: The capacity test is based on the standard length and the maximum permissive length is based on the...

  • Page 20: Installation For The First Time

    Kids Star Inverter DM16-01.01.23en 7.4 Installation for the first time 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. ●...

  • Page 21: Adding The Refrigerant After Running The System For Many Years

    DM16-01.01.23en Kids Star Inverter 8) Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve. 2. Adding the refrigerant if the pipe length >5m Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.

  • Page 22: Re-Installation While The Indoor Unit Need To Be Repaired

    Kids Star Inverter DM16-01.01.23en air (be careful of the liquid refrigerant). 3) Put the charging cylinder onto the electronic scale and record the weight. 4) Operate the air conditioner at the cooling mode. 5) Open the valves (Low side) on the charge set and charge the system with liquid refrigerant. 6).When the electronic scale displays the proper weight (refer to the gauge and the pressure of the low side), disconnect the charge hose from the 3-way valve’s service port immediately and turn off the air conditioner before disconnecting the hose.
  • Page 23 DM16-01.01.23en Kids Star Inverter 2. Air purging with vacuum pump 9) Completely tighten the flare nuts of the indoor and outdoor units, confirm that both the 2-way and 3-way valves are set to the closed position. 10) Connect the charge hose with the push pin of handle lo to the 3-way valves gas service port. 11) Connect the charge hose of handle hi connection to the vacuum pump.

  • Page 24: Re-Installation While The Outdoor Unit Need To Be Repaired

    Kids Star Inverter DM16-01.01.23en 7.7 Re-installation while the outdoor unit need to be repaired 1. Evacuation for the whole system Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the opened position. 2). Connect the vacuum pump to 3-way valve’s service port. 3).
  • Page 25 DM16-01.01.23en Kids Star Inverter valve’s service port immediately If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air conditioner before disconnecting the hose. 6). Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N.m.

  • Page 26: Wiring Diagram

    Kids Star Inverter DM16-01.01.23en 8. Wiring Diagram 8.1 Indoor Unit 8.2 Outdoor Unit Service manual...

  • Page 27: Operation Characteristics

    DM16-01.01.23en Kids Star Inverter 9. Operation Characteristics Mode Cooling operation Heating operation Drying operation Temperature 17℃~32 0℃~30℃ 10℃~32℃ Room temperature 0℃~50℃ -15℃~30℃ 0℃~50℃ Outdoor temperature -15℃~50℃ (For the models with low temperature cooling system) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 28: Electronic Function

    Kids Star Inverter DM16-01.01.23en 10. Electronic function 10.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature TP: Compressor discharge temperature 10.2 Display function 10.2.1 Icon explanation on indoor display board. Digital display: Displays the temperature settings when the air conditioner is operational.

  • Page 29: Main Protection

    DM16-01.01.23en Kids Star Inverter 10.3 Main Protection 10.3.1 Three minutes delay at restart for compressor Less than 1 minute delay for the 1 time start-up and 3 minutes delay for others. 10.3.2 Temperature protection of compressor top The unit will stop working when the compressor top temp. protector cut off, and will restart after the compressor top temp.

  • Page 30: Operation Modes And Functions

    Kids Star Inverter DM16-01.01.23en 10.4 Operation Modes and Functions 10.4.1 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 Au, 20, 40,60,80 or F. (4) The louver operates same as in cooling mode.
  • Page 31 DM16-01.01.23en Kids Star Inverter 10.4.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected Au, 20, 40,60,80 or F. When the setting temp. is reached, if the compressor stop running, indoor fan motor will run at setting speed.
  • Page 32 Kids Star Inverter DM16-01.01.23en 10.4.3.2 Outdoor fan running rules The outdoor unit will be run at different fan speed according to T4. For different outdoor units, the fan speeds are different 10.4.3.3 Indoor fan running rules When the compressor is on, the indoor fan can be set to Au, 20,40,60,80 or F. When indoor unit coil temp.
  • Page 33 DM16-01.01.23en Kids Star Inverter 10.4.3.5 Evaporator coil temperature protection Decrease Hold Resume When evaporator temperature temp. is more than the setting protection value, the compressor will stop. 10.4.4 Auto-mode This mode can be chosen with remote controller and the setting temperature can be changed between 17°C~30°C In auto mode, the machine will choose cooling, heating or fan-only mode according to T1,TS and T4.
  • Page 34 Kids Star Inverter DM16-01.01.23en 10.4.6 Refrigerant Leakage Detection With this new technology, the display area will show “PL” when the unit detects refrigerant leakage. 10.4.7 Light sensitive function The brightness of display screen of air conditioner will change according to the lights of room. If the lights of room fades, the brightness of the display screen gets weaker.

  • Page 35: Troubleshooting

    DM16-01.01.23en Kids Star Inverter 11. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.

  • Page 36: Indoor Unit Error Display

    Kids Star Inverter DM16-01.01.23en 11.1 Indoor Unit Error Display Display LED STATUS Indoor unit EEPROM parameter error Indoor / outdoor units communication error Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or short circuit Evaporator coil temperature sensor T2 open circuit or short circuit Refrigerant leakage detection Outdoor ambient temperature sensor T4 open circuit or short circuit...

  • Page 37: Trouble Shooting

    DM16-01.01.23en Kids Star Inverter 11.2 Trouble shooting 11.2.1 EEPROM parameter error diagnosis and solution(E0/ EA/ E51) E0/ EA/ E51 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ●...
  • Page 38 Kids Star Inverter DM16-01.01.23en 11.2.2 Indoor / outdoor unit’s communication diagnosis and solution(E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions seconds and this condition happens three times continuously. Supposed causes Wiring mistake ●...
  • Page 39 DM16-01.01.23en Kids Star Inverter Remark: Use a multi meter to test the resistance of the reactor which does not connect with capacitor. The normal value should be around zero ohm. Otherwise, the reactor must have malfunction and need to be replaced. Service manual...
  • Page 40 Kids Star Inverter DM16-01.01.23en 11.2.3 Fan speed has been out of control diagnosis and solution(E3) E3/E7 Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) or too conditions high(1500RPM) for certain time, the unit will stop and the LED will display the failure.
  • Page 41 DM16-01.01.23en Kids Star Inverter 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.
  • Page 42 Kids Star Inverter DM16-01.01.23en 11.2.4 Open circuit or short circuit of temperature sensor diagnosis and solution(E5) E60/E61/E53/E52/E54 Error Code 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 ●...
  • Page 43 DM16-01.01.23en Kids Star Inverter 11.2.5 Refrigerant Leakage Detection diagnosis and solution (PL) Error Code Malfunction decision Cooling mode: ● 25℃＜T4≤50℃ conditions |ucT1Average-ucT2Average|＜coolantT0 |ucT2AveCompOpen- ucT2Average |＜coolantT2 | ucT1AveCompOpen - T1_Average| < 3℃ Heating mode: ● T4≥0℃ |T2Average_heat-T1_Average|＜heatantT0 |ucT2AveCompOpen - T2Average | ＜heatantT2 | ucT1AveCompOpen - T1_Average| <...
  • Page 44 Kids Star Inverter DM16-01.01.23en 11.2.6 Indoor PCB /Display board communication error (Eb) Error Code Malfunction decision Indoor PCB does not receive feedback from Display board. conditions Supposed causes Wiring mistake ● PCB faulty ● Display board malfunction ● Trouble shooting: Service manual...
  • Page 45 DM16-01.01.23en Kids Star Inverter 11.2.7 Intelligent eye malfunction error (EF) Error Code Malfunction decision The communication between Display board and Intelligent eye conditions has malfunction. Supposed causes Wiring mistake ● Intelligent eye faulty ● Display board malfunction ● Trouble shooting: Service manual...
  • Page 46 Kids Star Inverter DM16-01.01.23en 11.2.8 IPM malfunction or IGBT over-strong current protection diagnosis and solution(P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip conditions is abnormal, the display LED will show “P0” and AC will turn off. Supposed causes Wiring mistake ●...
  • Page 47 DM16-01.01.23en Kids Star Inverter  IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value...
  • Page 48 Kids Star Inverter DM16-01.01.23en 11.2.9 Over voltage or too low voltage protection diagnosis and solution(P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ●...
  • Page 49 DM16-01.01.23en Kids Star Inverter 11.2.10 High temperature protection of IPM or compress top diagnosis and solution (P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes Power supply problems. ●...
  • Page 50 Kids Star Inverter DM16-01.01.23en High temperature protection of compressor top: Radiator and refrigerant copper pipe Service manual...
  • Page 51 DM16-01.01.23en Kids Star Inverter 11.2.11 Inverter compressor drive error diagnosis and solution(P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on.
  • Page 52 Kids Star Inverter DM16-01.01.23en 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.(TP) sensor.
  • Page 53 DM16-01.01.23en Kids Star Inverter Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (°C--K) °C °F °C °F °C °F °C °F K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423...
  • Page 54 Kids Star Inverter DM16-01.01.23en Appendix 2 Temperature Sensor Resistance Value Table for TP (°C --K) °C °F °C °F °C °F °C °F K Ohm K Ohm K Ohm K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9...
  • Page 55 DM16-01.01.23en Kids Star Inverter 2. Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASN98D22UFZ Blue - Red 1.57Ω Blue - Black (20℃/68℉) Red - Blue Service manual...

This manual is also suitable for:

Mseaau-09hrfn1(sp)Mseabu-12hrfn1(sb)Mseabu-12hrfn1(sp)Moa01-09hfn1Mob01-12hfn1

Table of Contents