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Service manual 

40 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.  Model and Parameters 

 

 

Model 

MSE- 

07CR 

MSE- 

07HR 

MSE- 

09CR 

MSE- 

09HR 

MSE- 

12CR 

MSE- 

12HR 

MSE- 

18CR 

MSE- 

18HR 

    I

3SEC

 

  8.5A 

8.5A 

10.0A 

10.0A 

12.0A 

12.0A 

16.0A 

16.0A 

    I

5MIN

 

  6.5A 

6.5A 

7.5A 

7.5A 

8.5A 

8.5A 

13.0A 

13.0A 

    I

FAN

 

  5.5A 

5.5A 

5.5A 

5.5A 

7.5A 

7.5A 

11.0A 

11.0A 

       

I

RESTORE

 

  4.5A 

4.5A 

4.5A 

4.5A 

6.5A 

6.5A 

9.5A 

9.5A 

      I

DEFROST

 

 

3.5A 

 

3.5A 

 

5.0A 

 

7.5A 

    TE1 

 

28

 

 

28

 

 

34

 

 

34

 

    TE2 

 

32

 

 

32

 

 

37

 

 

36

 

    TE3 

 

30

 

 

30

 

 

33

 

 

30

 

    TE4 

 

26

 

 

26

 

 

22

 

 

20

 

    TE5 

  4

 

4

 

4

 

4

 

4

 

4

 

3

 

3

 

    TE6 

10

 

10

 

10

 

10

 

10

 

10

 

14

 

14

 

    TE7 

 

60

 

 

60

 

 

63

 

 

60

 

    TE8 

 

53

 

 

53

 

 

53

 

 

52

 

    TE9 

 

50

 

 

50

 

 

52

 

 

50

 

ANGLCOOL 

  88° 

88° 

88° 

88° 

88° 

88° 

88° 

88° 

ANGLHEAT 

 

125° 

 

125° 

 

125° 

 

125° 

ANGLOFF 

  0 

THDEFROST 

 

15

 

 

17

 

 

18

 

 

17

 

TMDEFROST 

 

16

 

 

18

 

 

19

 

 

18

 

TLDEFROST 

 

17

 

 

19

 

 

20

 

 

19

 

Summary of Contents for MSE-07CR

Page 1: ...Cover MSE 07CR MSE 07HR MSE 09CR MSE 09HR MSE 12CR MSE 12HR MSE 18CR MSE 18HR...

Page 2: ...stallation details 17 8 1 Wrench torque sheet for installation 17 8 2 Connecting the cables 17 8 3 Pipe length and the elevation 17 8 4 Air purging of the piping and indoor unit 18 8 5 Pumping down Re...

Page 3: ...ction 38 11 11 Sleep mode 38 11 12 Auto restart function 39 11 13 Turbo mode 39 11 14 PLASMA optional 39 11 15 Anion optional 39 12 Model and Parameters 40 13 Troubleshooting 41 13 1 Display board 41...

Page 4: ...t deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury n Do not let the air conditioner run for a long time whe...

Page 5: ...to cool air for long periods of time Do not sit in the draft This could harm to your health n Do not use the product for special purposes such as preserving foods works of art etc It is a consumer ai...

Page 6: ...ion air vane The fan is turn to low speed cooling heating The unit will be turn off at the seventh hour Sleep mode auto control The function is usually used in rainy days in springtime or damp areas I...

Page 7: ...unit run more quietly Low noise air flow system The hydrophilic fin can improve the heating efficiency at operation mode Hydrophilic aluminum fin It is only operated in the heating operation mode exce...

Page 8: ...Service manual 5 3 Dimension 3 1 Indoor unit Dimension Mode W H D 7K 710 250 190 9K 710 250 190 12K 790 265 195 18K 920 292 225...

Page 9: ...Service manual 6 3 2 Outdoor unit Dimension Mode W H D L1 L2 L3 7K 700 525 250 458 280 540 9K 700 525 250 458 280 540 12K 780 540 250 548 266 560 18K 750 535 290 530 315 590...

Page 10: ...39 5 39 5 Capacitor uF 1 2 1 2 1 2 1 2 Indoor fan motor Speed hi mi lo r min 1050 950 800 1050 950 800 1250 1100 850 1250 1100 850 Indoor air flow Hi Mi Lo m3 h 400 35 300 400 35 300 450 400 350 450...

Page 11: ...V 1 5uF 450V Indoor fan motor Speed hi mi lo r min 1180 1000 850 1180 1000 850 1180 1080 800 1180 1080 800 Indoor air flow Hi Mi Lo m3 h 580 500 420 580 500 420 800 730 600 800 730 600 Indoor noise le...

Page 12: ...Service manual 9 5 Refrigerant cycle diagram Cooling only Heat pump mode...

Page 13: ...t from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 6 2 Heating operation Indoor air temp DB Outdoor unit air temp DB Note The chart...

Page 14: ...Service manual 11...

Page 15: ...Service manual 12 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram...

Page 16: ...Service manual 13 7 2 Wiring diagram MSE 07CR MSE 09CR MSE 12CR...

Page 17: ...Service manual 14 MSE 07HR MSE 09HR MSE 12HR...

Page 18: ...15 MSE 18CR I N D O O R U N I T C O M PR ESSO R C APAC I TO R C O M PR ESSO R Y G W H I TE S BLU E R C O VER LO AD R ELAY R ED O U TD O O R U N I T C APAC I TO R FAN FAN M O TO R BLU E R ED BLAC K Y G...

Page 19: ...HR I N D O O R U N I T O U TD O O R U N I T R ED BLAC K BLU E BLAC K Y G C O M PR ESSO R C S R W H I TE BLU E C O M PR ESSO R C APAC I TO R FAN M O TO R R ED BLU E FAN C APAC I TO R BLAC K BLU E 4 W A...

Page 20: ...llowing specifications sheet Grade Unit 7K 9K 12K 18K 21K 24K 28K mm 2 1 0 1 0 1 5 2 5 2 5 2 5 2 5 8 3 Pipe length and the elevation Pipe size Capacity Btu h GAS LIQUID Standard length m Max Elevation...

Page 21: ...t Be sure using a torque wrench to tighten the service port cap after using the service port so that it prevents the gas leakage from the refrigeration cycle Procedure 1 Recheck the piping connections...

Page 22: ...leaks do not stop when the connections are retightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas...

Page 23: ...e wrench to tighten the service port cap to a torque of 1 8 kg m Be sure to check for gas leakage 8 6 Re air purging Re installation Procedure 1 Confirm that both the 2 way and 3 way valves are set to...

Page 24: ...igerant of the 2 way 3 way valves Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position 2 Connect the charge set to the 3 way valve s service port Leave the valve on th...

Page 25: ...Service manual 22 discharged...

Page 26: ...has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes...

Page 27: ...e specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wa...

Page 28: ...6 6 2 5 5 1 5 5 5 8 9 2 MSE 07HR Indoor Conditions Pressure 25 C 30 C 35 C 40 C 45 C 50 C 21 C D Pressure 15 C W kg cm 2 24 C D Pressure 17 C W kg cm2 27 C D Pressure 19 C W kg cm 2 32 C D Pressure 23...

Page 29: ...35 C 40 C 45 C 50 C 21 C D Pressure 15 C W kg cm 2 24 C D Pressure 17 C W kg cm2 27 C D Pressure 19 C W kg cm 2 32 C D Pressure 23 C W kg cm 2 4 8 4 9 Cooling mode Outdoor temperature Dry bulb temp 4...

Page 30: ...35 C 40 C 45 C 50 C 21 C D Pressure 15 C W kg cm 2 24 C D Pressure 17 C W kg cm2 27 C D Pressure 19 C W kg cm 2 32 C D Pressure 23 C W kg cm 2 6 7 6 9 4 9 5 2 5 6 6 1 5 7 5 8 4 7 4 9 5 2 5 5 5 9 6 2 4...

Page 31: ...temperature Dry bulb temp pressure Indoor conditions 25 30 35 40 45 50 pressure kg cm2 21 D15 W 4 3 4 4 4 5 4 6 4 9 5 0 pressure kg cm2 24 D17 W 4 5 4 6 4 8 4 9 5 1 5 3 pressure kg cm2 27 D19 W 4 6 4...

Page 32: ...02 1 92 1 79 1 64 1 51 1 41 Sensitive capacity kW 1 44 1 39 1 34 1 27 1 20 1 15 21 C D 15 C W Input kW 0 70 0 76 0 82 0 88 0 95 1 00 Total capacity kW 2 16 2 07 1 95 1 83 1 71 1 60 Sensitive capacity...

Page 33: ...16 1 98 1 82 1 70 Sensitive capacity kW 1 68 1 63 1 56 1 48 1 40 1 34 21 C D 15 C W Input kW 0 87 0 95 1 02 1 09 1 17 1 24 Total capacity kW 2 62 2 50 2 36 2 20 2 07 1 94 Sensitive capacity kW 1 78 1...

Page 34: ...99 2 75 2 52 2 35 Sensitive capacity kW 2 53 2 28 2 18 2 07 1 96 1 88 21 C D 15 C W Input kW 1 20 1 30 1 41 1 51 1 61 1 72 Total capacity kW 3 62 3 46 3 26 3 06 2 86 2 68 Sensitive capacity kW 2 50 2...

Page 35: ...15 3 81 3 50 3 27 Sensitive capacity kW 3 28 3 18 3 04 2 88 2 74 2 62 21 C D 15 C W Input kW 1 70 1 84 1 99 2 14 2 28 2 43 Total capacity kW 5 03 4 81 4 53 4 25 3 97 3 73 Sensitive capacity kW 3 47 3...

Page 36: ...ure protection restoring temperature TE7 Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9 Evaporator high temperatur...

Page 37: ...mpressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On the unit stops and LED displays failure information and can t returns to normal operation automati...

Page 38: ...med when room temperature restores to over 13 11 6 4 At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 11 6 5 At dehumidifying mode the...

Page 39: ...g mode Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails Anti cold wind control function at heating mode T indoor exchanger temp 11 7 5 Auto...

Page 40: ...osting time At condition If item B is satisfied before item A it would be regarded as severe frosting and the defrosting time is 10 minutes If item B is satisfied after item A the defrosting time is 7...

Page 41: ...nutes reselect the operation mode according to the room temp and set temp or reselect when the set temp varies 11 10 Force cooling function 11 10 1 Select forced cooling function with the forced cooli...

Page 42: ...geless if it is under fan only mode the condition will be the same after the air conditioner running under economic mode after 2 hours and during the next time the set temp do not change The total tim...

Page 43: ...5A 5 5A 5 5A 5 5A 7 5A 7 5A 11 0A 11 0A IRESTORE 4 5A 4 5A 4 5A 4 5A 6 5A 6 5A 9 5A 9 5A IDEFROST 3 5A 3 5A 5 0A 7 5A TE1 28 28 34 34 TE2 32 32 37 36 TE3 30 30 33 30 TE4 26 26 22 20 TE5 4 4 4 4 4 4 3...

Page 44: ...ndicator TIMER indicator TEMPERATURE indicator 5 Signal receptor 13 2 Troubleshooting For cooling mode Failure phenomenon Operation lamp Timer lamp Indoor fan speed has been out of control for over 1...

Page 45: ...Service manual 42 13 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated...

Page 46: ...s less than 4 5V Check according to the following procedure Resetting phenomenon often occurs during operation After changing indoor PCB check if the failure realease Yes After changing indoor fan mot...

Page 47: ...13 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 13 9 Operation lamp flashes Timer lamp flashes This is alarm signal when the main chip can t detect over zero signal...

Page 48: ...25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26...

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