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Midea MCCU-10CN2, Technical Manual

The Midea MCCU-10CN2 is a powerful and efficient air conditioner perfect for cooling any room. For detailed settings and troubleshooting instructions, download the free Technical Manual from manualshive.com. This comprehensive manual will ensure you can make the most of your air conditioner with ease.

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MCAC-UTSM-2012--05                                                                                                        R407C MCCU Technical Manual   

1 
 

Content 

Part 1 General information

 

.........................................................................................................................................

 

2

 

1.

 

MCCU introduction

 

.................................................................................................................................................

 

2

 

2.

 

Features

 

...................................................................................................................................................................

 

2

 

3.

 

Product lineup

 

..........................................................................................................................................................

 

3

 

4.

 

Nomenclature

 

..........................................................................................................................................................

 

4

 

5.

 

External appearance

 

..............................................................................................................................................

 

5

 

6.

 

Refrigerant cycle diagram

 

......................................................................................................................................

 

6

 

7.

 

Connection accessory list

 

....................................................................................................................................

 

12

 

8.

 

Specifications

 

........................................................................................................................................................

 

13

 

9.

 

Dimensions

 

............................................................................................................................................................

 

17

 

10.

 

Wiring diagram- cooling only

 

...........................................................................................................................

 

20

 

11.

 

Exploded view- cooling only

 

............................................................................................................................

 

36

 

Part 2 Installation

 

..........................................................................................................................................................

 

58

 

1.

 

Note

 

.........................................................................................................................................................................

 

58

 

2.

 

Installation steps

 

...................................................................................................................................................

 

59

 

3.

 

Unit location

 

...........................................................................................................................................................

 

60

 

4.

 

Installation of refrigerant pipes

 

............................................................................................................................

 

63

 

5.

 

Piping between outdoor unit and indoor unit

 

....................................................................................................

 

66

 

6.

 

Field wiring

 

.............................................................................................................................................................

 

70

 

Part 3 Trouble shooting

 

..............................................................................................................................................

 

71

 

1.

 

Malfunctions

 

...........................................................................................................................................................

 

71

 

2.

 

Trouble shooting

 

...................................................................................................................................................

 

72

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Библиотека СОК  

Summary of Contents for MCCU-10CN2

Page 1: ...cle diagram 6 7 Connection accessory list 12 8 Specifications 13 9 Dimensions 17 10 Wiring diagram cooling only 20 11 Exploded view cooling only 36 Part 2 Installation 58 1 Note 58 2 Installation step...

Page 2: ...motor is cooled with suction gas The voltage utilization range is plus or minus 10 of unit nameplate voltage The compressors incorporating a built in muffler are mounted on springs within a steel hou...

Page 3: ...20 240V 1N 50Hz 7 MCCU 10CN2 380V 3N 50Hz 10 MCCU 14CN2 14 MCCU 16CN2 16 MCCU 22CN2 22 MCCU 28CN2 28 MCCU 35CN2 35 MCCU 45CN2 45 Units with cooling and heating modes Outdoor unit Capacity Model Power...

Page 4: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 4 4 Nomenclature MCCU 7 C N2 N1 R410A N2 R407C None R22 Function mode C cooling only H cooling and heating Cooling capacity 22 kW Midea CCU...

Page 5: ...2 External a M 2012 05 appearanc MCCU MCCU CCU 22HN2 ce U 7C H N2 16C H N2 2 MCCU 28 8HN2 MC CCU 45C H MCCU 1 MCCU N2 R40 0C H N2 M U 22CN2 M MCCU 35C 07C MCCU T MCCU 14C H MCCU 28CN C H N2 Technical...

Page 6: ...ilter drier Solenoid valve Connection accessories HP Switch Outdoor heat exchanger Stop valve Stop valve LP Switch Cooling Compressor Accumulator Indoor unit Sight glass TXV Filter drier Solenoid valv...

Page 7: ...ssories Cooling Compressor Indoor unit Discharge temp sensor HP Switch Liquid gas seperator Outdoor heat exchanger Stop valve Stop valve LP Switch T3 Sight glass TXV Filter drier Solenoid valve Connec...

Page 8: ...p valve Stop valve LP Switch T3 Heating Cooling Compressor Indoor unit Sight glass TXV Check valve Filter drier TXV Check valve Solenoid valve Connection accessories HP Switch 4 way valve Outdoor heat...

Page 9: ...ing Cooling Compressor Indoor unit Sight glass TXV Check valve Filter drier TXV Check valve Solenoid valve Connection accessories Sight glass TXV Check valve Filter drier TXV Check valve Solenoid valv...

Page 10: ...p sensor HP Switch 4 way valve Liquid gas seperator Outdoor heat exchanger Stop valve Stop valve LP Switch T3 Heating Cooling Compressor Indoor unit Discharge temp sensor HP Switch 4 way valve Liquid...

Page 11: ...HN2 Indoor unit Sight glass TXV Check valve Filter drier TXV Check valve Solenoid valve Connection accessories Discharge temp sensor HP Switch 4 way valve Liquid gas seperator Outdoor heat exchanger S...

Page 12: ...ating units Capacity kW Sight glass Solenoid valve Solenoid valve coil Drier filter Thermal expansion valve Check valve Model Qty Model Qty Model Qty Model Qty Model Qty Model Qty 7 SGN 10s 1 EVR6 1 0...

Page 13: ...ing mm 1 6 1 7 1 3 1 6 Fin type Hydrophilic aluminum Common aluminum Tube size mm 9 52 9 52 9 52 7 94 Tube type Inner grooved copper pipe Coil L H mm 770 813 845 914 845 914 837 1100 Performance Air f...

Page 14: ...1 4 1 7 Fin type Hydrophilic aluminum Tube size mm 7 94 7 94 7 94 9 52 Tube type Inner grooved copper pipe Coil L H mm 2145 880 2145 880 1376 880 2 2280 610 2 Performance Air flow volume m 3 h 11500...

Page 15: ...73 1 38 1 38 0 78 Speed r min 805 740 740 825 Outdoor coil Number of rows 2 2 2 2 Fin spacing mm 1 7 1 7 1 7 1 6 Fin type Hydrophilic aluminum Tube size mm 9 52 9 52 9 52 7 94 Tube type Inner grooved...

Page 16: ...05 Speed r mi n 670 670 1180 810 Outdoor coil Number of rows 2 2 2 3 Fin spacing mm 1 7 1 7 1 4 1 7 Fin type Hydrophilic aluminum Tube size mm 9 52 9 52 7 94 9 52 Tube type Inner grooved Coil Lx H mm...

Page 17: ...Dimensions of side discharge units Fig 1 1 Fig 1 2 Fig 1 3 Table 1 mm Model L W H B C D E Remark 7 kW 895 313 862 590 333 355 302 Fig 1 1 10 kW 990 354 966 624 366 396 340 14 kW 990 354 966 624 366 3...

Page 18: ...imensions Technical Man s of vertical d s of vertical d nual discharge un discharge un 1615 nits 22kW nits 22kW 98 28kW cooli Fig 1 28kW cooli Fig 1 80 ing only unit 4 ing and hea 5 780 ts ting units...

Page 19: ...19 9 4 9 5 AC UTSM 2 Dimensions Dimensions 2012 05 s of vertical d s of vertical d discharge un discharge un 1630 nits 35kW nits 45kW 1 Fig 1 Fig 1 1380 6 7 1095 R40 830 07C MCCU T 100 0 Technical Man...

Page 20: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 20 10 Wiring diagram cooling only 10 1 MCCU 7CN2...

Page 21: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 21 10 2 MCCU 10CN2...

Page 22: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 22 10 3 MCCU 14CN2...

Page 23: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 23 10 4 MCCU 16CN2...

Page 24: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 24 10 5 MCCU 22CN2...

Page 25: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 25 10 6 MCCU 28CN2...

Page 26: ...RANSFORMER SWITCH FILTER CAPACITOR RELAY CN8 CN208 P C BOARD SOCKETS H PRO A XS1 5 XP1 5 FAN1 FAN2 COMP A B C CAP1 CAP2 CODE PART NAME L PRO A LED1 LED2 HIGH LOW B L A C K B L A C K RED WHITE BLUE B L...

Page 27: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 27 10 8 MCCU 45CN2...

Page 28: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 28 Cooling and heating 10 9MCCU 7HN2...

Page 29: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 29 10 10 MCCU 10HN2...

Page 30: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 30 10 11 MCCU 14HN2...

Page 31: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 31 10 12 MCCU 16HN2...

Page 32: ...R407C MCCU Technical Manual MCAC UTSM 2012 05 32 10 13 MCCU 22HN2...

Page 33: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 33 10 14 MCCU 28HN2...

Page 34: ...FORMER SWITCH FILTER CAPACITOR RELAY CN8 CN208 P C BOARD SOCKETS H PRO A XS1 5 XP1 5 FAN1 FAN2 COMP A B C CAP1 CAP2 CODE PART NAME L PRO A LED1 LED2 HIGH LOW B L A C K B L A C K RED WHITE BLUE B L A C...

Page 35: ...MCAC UTSM 2012 05 R407C MCCU Technical Manual 35 10 16 MCCU 45HN2...

Page 36: ...00410 201248300 201148700 203375390 202301450 ode No 0724 14 2 0906 14 3 0003 14 4 0910 14 5 0908 14 6 0215 14 7 0907 14 8 0003 15 0005 16 0056 17 0220 18 0015 19 0031 20 0001 21 0610 22 0033 23 0009...

Page 37: ...Strainer 1 201600900075 15 Front panel 1 201248700052 8 2 High pressure valve 1 201600740620 16 Net clamp 10 201135110801 9 Suction pipe assy 1 201675590101 17 Rear right clapboard assy 1 20124870005...

Page 38: ...720098 16 Net clamp 10 201135110801 9 Suction pipe assy 1 201675590547 17 Rear right clapboard assy 1 201248700053 9 1 Pressure controller 1 202301820031 18 Sealing parts for condenser 1 201245420701...

Page 39: ...8790001 22 2 Wire joint 1 202301450101 9 Rear right panel 1 201275600089 22 3 Wire joint 2 202301450117 10 Separator 1 201601100060 22 4 AC contactor 1 202300850045 11 Partition board assy 1 201275600...

Page 40: ...R40 11 5 7C CCU Tech 5MCCU 22C hnical Manua CN1 al MCAC C UTSM 201 12 05 40...

Page 41: ...19 Before the column 1 201275990069 10 Under electronic control box mounting plate 1 201275990061 20 front left pillar assy 1 201275990095 11 Chassis Parts 1 201275990097 21 Electronic control box cov...

Page 42: ...R40 11 6 7C CCU Tech 6MCCU 28C hnical Manua CN1 al MCAC C UTSM 201 12 05 42...

Page 43: ...20 Components before the left column 1 201275990104 10 Under electronic control box mounting plate 1 201275990061 21 Electronic control box cover 1 201275990065 11 Chassis Parts 1 201275990097 22 Afte...

Page 44: ...R40 11 7 7C CCU Tech 7MCCU 35C hnical Manua CN2 al MCAC C UTSM 201 12 05 44...

Page 45: ...g board of wiring terminal 1 11 Fixing plate of E box 1 22 7 Wiring terminal 4 12 Right front vertical plate 1 22 8 Wiring terminal 1 13 Three phase asynchronous motor 2 22 9 Relay 2 14 Axial fan 1 22...

Page 46: ...R40 11 8 7C CCU Tech 8MCCU 45C hnical Manua CN2 al MCAC C UTSM 201 12 05 46...

Page 47: ...ft supporting board 1 201295100164 8 8 Compressor capacitor 2 202401000303 37 Cover supporter 1 201295030829 8 9 Surge suppresser 3 202301610601 38 Cover supporter 1 201295030828 9 Net 1 201295100156...

Page 48: ...004106 2011487000 de No 724 13 906 13 1 003 13 2 511 13 3 31 13 4 902 13 5 005 13 6 511 13 7 013 14 004 15 220 16 903 17 017 18 215 19 003 20 031 21 001 22 610 23 009 24 Part E part box a AC contacto...

Page 49: ...48700056 9 1 4 way valve 1 201600600114 18 Front net assy 1 201248700055 9 2 Low pressure valve 1 201600720414 19 Front panel 1 201248700052 9 3 Solenoid 1 201600600045 20 Net clamp 10 201135110801 10...

Page 50: ...01647090292 18 Front net assy 1 201248700055 9 1 4 way valve 1 201600600114 19 Front panel 1 201248700052 9 2 Low pressure valve 1 201600720414 20 Net Clamp 10 201135110801 10 Branch pipe assy 1 20164...

Page 51: ...01275600089 22 3 Wire joint 3 202301450117 10 Separator 1 201601100066 22 4 AC contactor 1 202300850045 11 Partition board assy 1 201275890038 22 5 Transformer 1 202300900551 12 Compressor 1 201400710...

Page 52: ...R40 11 1 7C CCU Tech 13 MCCU hnical Manua U 22HN2 MC al CCU 28HN2 2 MCAC C UTSM 201 12 05 52...

Page 53: ...016 11 Upper fixing board of E box 1 201295590024 26 Basement of compressor 2 201257600001 12 Grille 2 201295590009 27 Basement 1 201257600003 13 E box 1 203357600000 28 Gas liquid seperator 1 2016011...

Page 54: ...R40 11 1 7C CCU Tech 14 MCCU hnical Manua U 35HN2 al MCAC C UTSM 201 12 05 54...

Page 55: ...22 10 Contactor 2 12 Right front vertical plate 1 22 11 Wiring terminal 1 13 Three phase asynchronous motor 2 23 Bottom panel 1 14 Axial fan 1 24 Wooden basement 1 15 Motor supporter 1 25 High pressu...

Page 56: ...R40 11 1 7C CCU Tech 15 MCCU hnical Manua U 45HN2 al MCAC C UTSM 201 12 05 56...

Page 57: ...1000303 36 Rear left supporting board 1 201295100164 8 9 Surge suppresser 3 202301610601 37 Cover supporter 1 201295030829 9 Net 1 201295100156 38 Cover supporter 1 201295030828 10 E Part box cover 1...

Page 58: ...where the air contains much salt Hot ring area where corrosive gases exist e g sulfide gas Factories where the supply voltage fluctuates seriously Inside a car or cabin Place like kitchen where oil p...

Page 59: ...is longer than the reference pipe the refrigerant replenishment quantity for each outdoor unit should be calculated through the formula obtained according to the actual length of the pipe Record the...

Page 60: ...ce shown in the following figure Install the power supply at the side of the outdoor unit 3 2 Ensure enough space for installation and maintenance Side discharge units Fig 2 1 and Fig 2 2 Fig 2 1 Fig...

Page 61: ...acles must be 2000mm above the outdoor unit 2 If miscellaneous articles are piled around the outdoor unit such articles must be 400mm below the top of the outdoor unit 3 3 As shown in Fig 2 5 leave an...

Page 62: ...er finishing the transport Fig 2 6 Fork lift truck can be used for conveying Fig 2 6 3 6 Snow protection facilities must be installed in the snowfall areas Fig 2 7 In case the snow protection faciliti...

Page 63: ...o erating circulat pes ted inside th t front board e front left lo he front side the bottom use a cove Fi o prevent inter tory system he outdoor u d Fig 2 8 a ower side or e the pipe c notch insta er...

Page 64: ...e length 30m 12 7 MCCU 28CN2 25 28 pipe length 30m 12 7 MCCU 35CN2 28 6 32 pipe length 30m 15 9 MCCU 45CN2 35 15 9 Cooling and heating MCCU 7HN2 15 9 9 52 MCCU 10HN2 19 12 7 MCCU 14HN2 19 12 7 MCCU 16...

Page 65: ...odel Max pipe length L Max high drop H Cooling only MCCU 7CN2 20 10 MCCU 10CN2 25 10 MCCU 14CN2 25 10 MCCU 16CN2 30 15 MCCU 22CN2 50 30 MCCU 28CN2 50 30 MCCU 35CN2 50 30 MCCU 45CN2 50 20 Heating only...

Page 66: ...omplete piping expel air as instructed in the Expel air section After expelling the air screw up the nut at the maintenance orifice The bend angle shall not exceed 90 The bend shall be preferably in t...

Page 67: ...pen the maintenance orifice nut of valve A After all air is expelled tighten the maintenance orifice nut of valve A Open the spools of valves A and B completely Tighten the square head cover of valves...

Page 68: ...or over ad cover of v lves A and B tenance orifi stop block D ghten the bo en all valves the two valv alve is shown en the squa square hea me as the pro heck whethe M 76cmHg ler hose Lo p Multimete ha...

Page 69: ...Insulation Use heat insulation materials to wrap the part protruding outside the flared pipe joint and the refrigerant pipe of the liquid pipe and the gas pipe and ensure that no gap exists between th...

Page 70: ...romulgated by the State and set the Residual Current operated Circuit Breaker RCCB properly The power wire and the signal wire shall be laid out neatly and properly without mutual interference or cont...

Page 71: ...y The system is lack of refrigerant Or there is too much refrigerant in the system Fix the leakage places and charge the proper quantity of refrigerant Air or non condensable gas exists in the refrige...

Page 72: ...w pressure protection Please refer to the following Fault of temp sensor Judge 1 Whether the sensor is break off Connects it well Yes Judge 2 Whether the sensor is malfunction Validate Short connect t...

Page 73: ...y Yes Replace high pressure switch No Check whether the refrigerant system is ok Replace outdoor PCB No Judge 3 Check whether the outdoor ambient temperature is too high Yes Stop the unit No Judge 4 C...

Page 74: ...unit No Judge 4 The refrigerant of the system is leakage Yes Validate Connect the pressure gauge to the gauge joint of the system check whether the pressure is lower than 0 15MPa Leak testing charge...

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