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Midea MDV-V120W/DRN1, Техническое и сервисное руководство

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3 phase, 380-415V, 50Hz

MDV-V120W/DRN1

MDV-V140W/DRN1

MDV-V160W/DRN1

MDV-V180W/DRN1

Model:

Technical Service Manual

Mini VRF

Содержание MDV-V120W/DRN1

Страница 1: ...3 phase 380 415V 50Hz MDV V120W DRN1 MDV V140W DRN1 MDV V160W DRN1 MDV V180W DRN1 Model TechnicalServiceManual Mini VRF...

Страница 2: ...MCAC VTSM 2016 10 R410A All DC Inverter Mini VRF Contents Part 1 General Information 1 Part 2 Specifications Performance 10 Part 3 Installation 54 Part 4 Troubleshooting 70...

Страница 3: ...R410A All DC Inverter Mini VRF MCAC VTSM 2016 10...

Страница 4: ...MCAC VTSM 2016 10 R410A All DC Inverter Mini VRF General Information 1 Part 1 General Information 1 Product Lineup 2 2 Nomenclature 3 3 Features 4 4 Indoor Units Lineup 8...

Страница 5: ...mm Net Gross weight kg Power supply MDV V120W DRN1 Width 900 Height 1327 Depth 400 95 106 380 415V 3ph 50Hz MDV V140W DRN1 Width 900 Height 1327 Depth 400 95 106 380 415V 3ph 50Hz MDV V160W DRN1 Widt...

Страница 6: ...410A All DC Inverter Mini VRF General Information 3 2 Nomenclature MDV V120W DRN1 Refrigerant N1 R410A Power Supply 220 240V 50Hz 1ph R 380 415V 50Hz 3ph Outdoor unit Cooling Capacity 100W Midea VRF I...

Страница 7: ...quiring heating and cooling of up to 9 zones with one outdoor unit Such as villa restaurant school etc Midea offers various indoor units more than 100 models of 15 types Capacity ranges are from 1 5kW...

Страница 8: ...ign Optimally design fan shape and new designed discharge air grille and air deflector making higher air volume and lower operation sound 3 5 Quick warm up cool down design and less temperature fluctu...

Страница 9: ...s for a 18kW outdoor unit installation 3 9 Simple signal line connection Installation is much easier as the communication wiring between indoor outdoor units can be shared It s easy for the user to re...

Страница 10: ...tton makes outdoor unit run in cooling mode at any condition so it is very easy for you to charge refrigerant to the system when it needs to be done The self diagnosis function detects malfunctions in...

Страница 11: ...Capacity 100W Cassette unit One way cassette Two way cassette Compact four way cassette Four way cassette 15 18 22 28 36 45 56 71 80 90 100 112 140 Capacity 100W Duct unit Low static pressure duct Med...

Страница 12: ...1 80 90 112 140 160 Capacity 100W Wall mounted Wall mounted S panel Wall mounted M panel Wall mounted R panel 15 22 28 36 45 56 71 80 90 Note If ODU connect only one IDU the capacity of IDU should be...

Страница 13: ...pecifications Performance Part 2 Outdoor Units 1 Specifications 11 2 Dimensions 14 3 Service Space 15 4 Piping Diagrams 16 5 Wiring Diagrams 17 6 Field Wiring 19 7 Capacity Tables 20 8 Electric Charac...

Страница 14: ...Brand Panasonic Panasonic Insulation class E E Safe class IP23 IP23 Input W 2 x 100 2 x 100 Output W 2 x 85 2 x 85 Rated current A 2 x 0 9 2 x 0 9 Capacitor uF Speed r min 800 800 Outdoor fan Materia...

Страница 15: ...43 3 3 Heating Capacity kW 17 0 19 0 Input kW 4 77 5 0 COP kW kW 3 56 3 8 Compressor Model LNB42FSAMC LNB42FSAMC Type Rotary Rotary Brand MITSUBISHI MITSUBISHI Capacity Btu h 47700 47700 Input W 4240...

Страница 16: ...future improvement on quality and performance Coil length x height mm 1276 x 870 1276 x 870 Number of circuits 7 12 Outdoor air flow m 3 h 6000 6800 Outndoor sound level sound pressure level dB A 57 5...

Страница 17: ...10A All DC Inverter Mini VRF MCAC VTSM 2016 10 14 Specifications Performance 2 Dimensions H A B C D E F M O D E L k W 9 0 0 6 0 0 3 6 0 4 0 0 1 3 2 7 unit mm 3 4 8 1 2 1 4 1 6 1 8 A B E D G F C 3 2 0...

Страница 18: ...ons Performance 15 3 Service Space 300 600 300 2000 Wall or obstacle Maintain channel Air outlet Air inlet Air inlet Single unit installation 600 2000 300 Parallel connect the two units or above 2000...

Страница 19: ...quid receiver It is used to store the liquid refrigerant and oil it can protect the compressor from liquid hammer 4 way valve Closed in cooling mode and open in heating mode Electronic expansion valve...

Страница 20: ...MCAC VTSM 2016 10 R410A All DC Inverter Mini VRF Specifications Performance 17 5 Wiring Diagrams For 12 16kW...

Страница 21: ...R410A All DC Inverter Mini VRF MCAC VTSM 2016 10 18 Specifications Performance For 18kW...

Страница 22: ...MCAC VTSM 2016 10 R410A All DC Inverter Mini VRF Specifications Performance 19 6 Field Wiring...

Страница 23: ...13 57 3 37 13 97 3 41 37 10 81 2 85 12 21 3 38 12 61 3 42 12 78 3 43 13 3 46 13 35 3 5 13 75 3 54 39 10 81 3 03 11 99 3 41 12 39 3 53 12 61 3 55 12 78 3 57 13 18 3 61 13 57 3 66 41 10 81 3 19 11 87 3...

Страница 24: ...7 3 29 13 3 32 13 36 3 35 37 9 14 2 24 10 9 2 89 12 17 3 37 12 34 3 39 12 48 3 4 12 83 3 44 13 13 3 47 39 9 14 2 38 10 9 3 08 11 95 3 49 12 12 3 5 12 3 3 52 12 61 3 56 12 96 3 59 41 9 14 2 41 10 9 3 1...

Страница 25: ...2 52 11 07 2 78 11 77 3 05 12 48 3 27 12 74 3 29 37 7 47 1 71 8 92 2 16 10 37 2 68 11 07 2 96 11 77 3 25 12 26 3 38 12 56 3 41 39 7 47 1 81 8 92 2 3 10 37 2 85 11 07 3 15 11 77 3 46 12 08 3 5 12 34 3...

Страница 26: ...94 1 46 8 04 1 77 8 61 1 94 9 18 2 12 10 28 2 5 11 42 2 9 37 5 8 1 25 6 94 1 55 8 04 1 89 8 61 2 06 9 18 2 26 10 28 2 66 11 42 3 09 39 5 8 1 32 6 94 1 64 8 04 2 8 61 2 19 9 18 2 4 10 28 2 83 11 42 3...

Страница 27: ...8 17 1 14 16 4 15 0 61 4 96 0 71 5 75 0 81 6 15 0 87 6 55 0 92 7 34 1 04 8 17 1 16 18 4 15 0 62 4 96 0 72 5 75 0 82 6 15 0 88 6 55 0 94 7 34 1 06 8 17 1 18 20 4 15 0 63 4 96 0 73 5 75 0 84 6 15 0 89...

Страница 28: ...4 3 29 10 6 3 42 10 6 3 55 10 56 3 61 10 56 3 68 10 52 3 8 7 7 6 11 02 3 38 11 02 3 5 10 98 3 62 10 98 3 69 10 94 3 75 10 94 3 87 5 5 6 11 61 3 49 11 57 3 61 11 52 3 72 11 52 3 78 11 52 3 84 11 48 3 9...

Страница 29: ...4 2 8 5 9 1 10 5 3 85 10 5 3 95 10 46 4 04 10 46 4 09 10 46 4 14 10 33 4 18 7 7 6 10 88 3 92 10 88 4 01 10 83 4 1 10 83 4 15 10 83 4 19 10 33 3 99 5 5 6 11 46 4 11 42 4 09 11 42 4 17 11 38 4 22 11 09...

Страница 30: ...2 7 92 2 9 7 67 2 79 7 42 2 69 6 91 2 48 5 5 6 8 93 3 15 8 42 2 94 7 92 2 74 7 67 2 64 7 42 2 54 6 91 2 35 3 3 7 8 93 2 97 8 42 2 78 7 92 2 59 7 67 2 5 7 42 2 4 6 91 2 22 0 0 7 8 93 2 71 8 42 2 54 7 9...

Страница 31: ...15 45 4 1 15 9 4 14 37 12 3 3 46 13 9 4 1 14 35 4 15 14 55 4 17 14 8 4 2 15 2 4 25 15 65 4 3 39 12 3 3 68 13 65 4 15 14 1 4 29 14 35 4 32 14 55 4 34 15 4 39 15 45 4 45 41 12 3 3 88 13 51 4 19 13 95 4...

Страница 32: ...14 45 4 14 8 4 04 15 2 4 07 37 10 4 2 73 12 4 3 51 13 85 4 1 14 05 4 12 14 2 4 14 14 6 4 18 14 95 4 22 39 10 4 2 9 12 4 3 74 13 6 4 24 13 8 4 26 14 4 28 14 35 4 32 14 75 4 37 41 10 4 2 93 12 4 3 77 13...

Страница 33: ...12 6 3 37 13 4 3 7 14 2 3 97 14 5 4 37 8 5 2 08 10 15 2 63 11 8 3 26 12 6 3 59 13 4 3 95 13 95 4 11 14 3 4 14 39 8 5 2 2 10 15 2 8 11 8 3 47 12 6 3 83 13 4 4 21 13 75 4 25 14 05 4 29 41 8 5 2 28 10 15...

Страница 34: ...9 1 88 9 15 2 29 9 8 2 51 10 45 2 74 11 7 3 23 13 3 76 39 6 6 1 61 7 9 2 9 15 2 43 9 8 2 67 10 45 2 91 11 7 3 43 13 4 41 6 6 1 68 7 9 2 07 9 15 2 5 9 8 2 76 10 45 3 11 7 3 58 13 4 18 43 6 6 1 82 7 9...

Страница 35: ...1 8 35 1 24 9 3 1 38 16 4 73 0 74 5 65 0 86 6 55 0 98 7 1 05 7 45 1 12 8 35 1 26 9 3 1 41 18 4 73 0 75 5 65 0 87 6 55 1 7 1 07 7 45 1 14 8 35 1 28 9 3 1 43 20 4 73 0 76 5 65 0 88 6 55 1 02 7 1 09 7 45...

Страница 36: ...2 42 3 95 12 37 4 1 12 37 4 25 12 32 4 33 12 32 4 41 12 27 4 56 7 7 6 12 86 4 05 12 86 4 2 12 81 4 34 12 81 4 42 12 76 4 49 12 76 4 64 5 5 6 13 54 4 18 13 49 4 32 13 44 4 46 13 44 4 53 13 44 4 6 13 4...

Страница 37: ...8 5 9 1 12 25 4 62 12 25 4 73 12 2 4 85 12 2 4 9 12 2 4 96 12 05 5 01 7 7 6 12 69 4 69 12 69 4 8 12 64 4 92 12 64 4 97 12 64 5 02 12 05 4 78 5 5 6 13 37 4 8 13 32 4 9 13 32 5 13 27 5 06 12 93 4 9 12 0...

Страница 38: ...7 6 10 41 4 9 83 3 74 9 24 3 47 8 95 3 35 8 65 3 22 8 07 2 98 5 5 6 10 41 3 77 9 83 3 52 9 24 3 28 8 95 3 16 8 65 3 04 8 07 2 81 3 3 7 10 41 3 56 9 83 3 33 9 24 3 1 8 95 2 99 8 65 2 88 8 07 2 66 0 0...

Страница 39: ...4 37 13 62 3 96 15 39 4 7 15 89 4 75 16 11 4 78 16 39 4 81 16 83 4 86 17 33 4 92 39 13 62 4 22 15 11 4 75 15 61 4 91 15 89 4 94 16 11 4 97 16 61 5 03 17 1 5 09 41 13 62 4 44 14 96 4 79 15 45 4 96 15 7...

Страница 40: ...55 16 4 58 16 39 4 62 16 83 4 66 37 11 51 3 12 13 73 4 01 15 33 4 69 15 56 4 71 15 72 4 73 16 17 4 78 16 55 4 82 39 11 51 3 31 13 73 4 28 15 06 4 85 15 28 4 87 15 5 4 9 15 89 4 95 16 33 5 41 11 51 3 3...

Страница 41: ...4 24 15 72 4 54 16 05 4 58 37 9 41 2 38 11 24 3 01 13 06 3 73 13 95 4 11 14 84 4 52 15 44 4 7 15 83 4 74 39 9 41 2 52 11 24 3 2 13 06 3 97 13 95 4 38 14 84 4 81 15 22 4 87 15 56 4 9 41 9 41 2 61 11 2...

Страница 42: ...10 13 2 47 10 85 2 7 11 57 2 95 12 95 3 47 14 39 4 04 37 7 31 1 74 8 75 2 16 10 13 2 63 10 85 2 87 11 57 3 14 12 95 3 7 14 39 4 3 39 7 31 1 84 8 75 2 28 10 13 2 78 10 85 3 05 11 57 3 33 12 95 3 93 14...

Страница 43: ...3 1 58 16 5 23 0 85 6 26 0 98 7 25 1 13 7 75 1 21 8 25 1 28 9 24 1 44 10 3 1 61 18 5 23 0 86 6 26 1 7 25 1 15 7 75 1 22 8 25 1 3 9 24 1 47 10 3 1 64 20 5 23 0 87 6 26 1 01 7 25 1 16 7 75 1 24 8 25 1 3...

Страница 44: ...5 17 8 5 9 1 13 71 4 53 13 65 4 7 13 65 4 88 13 6 4 96 13 6 5 06 13 55 5 23 7 7 6 14 19 4 65 14 19 4 81 14 14 4 98 14 14 5 07 14 09 5 15 14 09 5 32 5 5 6 14 95 4 79 14 9 4 96 14 84 5 12 14 84 5 2 14 8...

Страница 45: ...3 52 5 3 13 52 5 43 13 47 5 56 13 47 5 62 13 47 5 69 13 31 5 74 7 7 6 14 01 5 38 14 01 5 51 13 95 5 64 13 95 5 7 13 95 5 76 13 31 5 48 5 5 6 14 76 5 5 14 71 5 62 14 71 5 74 14 65 5 8 14 28 5 62 13 31...

Страница 46: ...56 7 7 6 11 5 4 59 10 85 4 29 10 2 3 98 9 88 3 84 9 55 3 69 8 9 3 41 5 5 6 11 5 4 32 10 85 4 04 10 2 3 76 9 88 3 62 9 55 3 49 8 9 3 23 3 3 7 11 5 4 08 10 85 3 82 10 2 3 56 9 88 3 43 9 55 3 3 8 9 3 05...

Страница 47: ...5 5 41 18 75 5 44 19 31 5 5 19 87 5 56 37 15 37 4 64 17 37 5 51 17 94 5 57 18 19 5 6 18 5 5 64 19 5 7 19 56 5 77 39 15 37 4 94 17 06 5 56 17 62 5 76 17 94 5 79 18 19 5 83 18 75 5 89 19 31 5 96 41 15...

Страница 48: ...5 55 18 25 5 61 18 69 5 66 39 13 3 89 15 5 5 01 17 5 69 17 25 5 71 17 5 5 74 17 94 5 8 18 44 5 86 41 13 3 93 15 5 5 05 16 87 5 73 17 12 5 75 17 37 5 78 17 71 5 84 17 88 5 9 43 13 3 97 15 5 5 12 16 73...

Страница 49: ...75 4 11 15 75 4 53 16 75 4 97 17 75 5 33 18 13 5 37 37 10 62 2 79 12 69 3 53 14 75 4 37 15 75 4 82 16 75 5 3 17 44 5 51 17 87 5 56 39 10 62 2 96 12 69 3 76 14 75 4 65 15 75 5 14 16 75 5 64 17 19 5 71...

Страница 50: ...06 3 46 14 63 4 07 16 25 4 74 37 8 25 2 04 9 87 2 53 11 44 3 08 12 25 3 36 13 06 3 68 14 63 4 34 16 25 5 04 39 8 25 2 16 9 87 2 68 11 44 3 26 12 25 3 58 13 06 3 91 14 63 4 61 16 25 5 37 41 8 25 2 25...

Страница 51: ...3 1 86 16 5 91 0 99 7 06 1 15 8 19 1 32 8 75 1 41 9 31 1 5 10 44 1 69 11 63 1 89 18 5 91 1 01 7 06 1 17 8 19 1 34 8 75 1 44 9 31 1 53 10 44 1 72 11 63 1 92 20 5 91 1 02 7 06 1 19 8 19 1 36 8 75 1 46 9...

Страница 52: ...32 4 75 15 26 4 93 15 26 5 11 15 2 5 2 15 2 5 3 15 14 5 48 7 7 6 15 86 4 87 15 86 5 05 15 8 5 22 15 8 5 31 15 74 5 4 15 74 5 57 5 5 6 16 71 5 03 16 65 5 19 16 59 5 36 16 59 5 45 16 59 5 53 16 53 5 7 3...

Страница 53: ...15 11 5 55 15 11 5 69 15 05 5 82 15 05 5 89 15 05 5 96 14 87 6 02 7 7 6 15 66 5 64 15 66 5 77 15 6 5 91 15 6 5 97 15 6 6 04 14 87 5 75 5 5 6 16 5 5 77 16 44 5 89 16 44 6 01 16 38 6 08 15 96 5 89 14 8...

Страница 54: ...4 81 12 12 4 49 11 4 4 18 11 04 4 03 10 68 3 87 9 95 3 58 5 5 6 12 85 4 53 12 12 4 23 11 4 3 94 11 04 3 8 10 68 3 66 9 95 3 38 3 3 7 12 85 4 28 12 12 4 11 4 3 73 11 04 3 6 10 68 3 46 9 95 3 2 0 0 7 1...

Страница 55: ...W FLA MDV V120W DRN1 50 380 415 342 456 15 15 25 9 3 2 0 1 2 0 9 MDV V140W DRN1 50 380 415 342 456 16 25 15 25 9 3 2 0 1 2 0 9 MDV V160W DRN1 50 380 415 342 456 17 5 15 25 12 2 0 1 2 0 9 MDV V180W DRN...

Страница 56: ...vel difference 0m 2 If the system is running in cooling mode when the ambient temperature is lower than 15 o C or higher than 43 o C the unit will stop for protection control 1m H 10 5 0 5 10 15 20 25...

Страница 57: ...10 54 Installation Part 3 Installation 1 Precautions 55 2 Accessories 56 3 Outdoor unit installation 56 4 Piping installation 58 5 Electric Wiring Installations 62 6 Outdoor Unit Wiring 66 7 Test Runn...

Страница 58: ...ir conditioner for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other has is mixe...

Страница 59: ...s not blocked When an outdoor unit is installed in a place that is always exposed To a strong wind like a coast or on the high store of a building secure a normal fan operation by using a duct or a wi...

Страница 60: ...oundation according to the specifications of the outdoor units Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthquake or strong wind Single unit installatio...

Страница 61: ...out pipes Bottom side pipe connection the knock out should from inside to outside and then piping and wiring through this Pay attention to the piping the fat connecting pipe should out from the large...

Страница 62: ...the nearest branch Maximum pipe equivalent length Pipe Length from the first branch to the furthest IDU Level difference bwtween IDU IDU Level difference between ODU ODU Indoor unit a N1 3 N 5 N 6 N...

Страница 63: ...ng nut Four way cassette type 5 6 8 0 15 9 Flaring nut 9 5 Flaring nut One way cassette type 1 8 4 5 12 7 Flaring nut 6 4 Flaring nut One way cassette type 5 6 15 9 Flaring nut 9 5 Flaring nut Low sta...

Страница 64: ...f ODU connect only one IDU the capacity of IDU should be not more than ODU If ODU connect more than one IDU the capacity of each IDU should be not more than 8kW for refrigerant uniform distribution Wh...

Страница 65: ...the thickness of the insulating layer at least more than 20mm Please use attached heat insulating materials to do the heat insulation without clearance for the connecting parts of the indoor unit pip...

Страница 66: ...highlights of distribution wiring 1 When distributing wiring select wirings with different colors for phase line zero line and protection earth according to relevant regulations 2 The power wire and c...

Страница 67: ...80 415V 3N 50Hz 4 3 3 4 4 0 4 0 30 25A 100mA 0 1sec 16KW 380 415V 3N 50Hz 4 3 3 4 4 0 4 0 30 25A 100mA 0 1sec 18kW 380 415V 3N 50Hz 4 3 3 4 4 0 4 0 30 25A Note The length in the table equals the value...

Страница 68: ...unit respectively The power supply has specified branch circuit with leakage protector and manual switch Indoor unit connect with power supply which is 220 240V 50Hz Outdoor unit connect with power s...

Страница 69: ...ore X2 5 5 core X2 5 Circuit Breaker Fuse A 25 32 Indoor unit Outdoor unit Signal wire Weak electric signal mm 2 3 core shielded wire 3X0 75 3 core shielded wire 3X0 75 CAUTION A disconnection device...

Страница 70: ...y Table 6 2 Capacity kW 1 5 16 indoor Unit power Phase 1 phase Frequency and Voltage 220 240V 50Hz Power Wiring mm 2 3 core 1 0 Circuit Breaker A 16 Indoor unit Outdoor unit Signal wire Weak electric...

Страница 71: ...cord is less than 10A or 500mm when 50A Please use shield wire as indoor unit outdoor unit signal wire Indoor Outdoor unit signal wire wiring Fig 6 5 7 Test Running Operate according to key points for...

Страница 72: ...er addition 2 Calculate the indoor cubage B m3 as the minimum cubage 3 Calculate the refrigerant thickness Counter measure against over high thickness 1 Install mechanical ventilator to reduce the ref...

Страница 73: ...R410A All DC Inverter Mini VRF MCAC VTSM 2016 10 70 Troubleshooting Part 4 Troubleshooting 1 PCB ports instructions 71 2 PCB parts instructions 72 3 Error code table 75 4 Troubleshooting 76...

Страница 74: ...2 7V 14CN10 Communication between indoor and outdoor units DC 2 5 2 7V 15CN9 Inspection port for outdoor ambient temp and condenser coil temp DC 0 5V 16CN8 Air discharge temp sensed port at the compre...

Страница 75: ...play value 8 11 Actual current value Actual value 12 AD actual value of voltage Actual value 13 T2 average temperature Actual value 14 Quantity of indoor units Actual value 15 Running quantity of indo...

Страница 76: ...0 Standby 2 COOLING 3 HEATING 4 FORCED COOLING 3 Fan speed 0 OFF 1 7 Speed increasing in turn 4 SW1 Forced cooling button SW2 Query button 2 3 Function setting dial switches instructions SW7 SW3 defin...

Страница 77: ...on indicator lamp of inverter module The lamp will be off if the system running is normal And it will be on if the inverter module is faulty and the error code will display on digital tube LED2 Runnin...

Страница 78: ...1 High pressure protection All the unit P2 Low pressure protection All the unit P3 Compressor current protection All the unit P4 Compressor discharge temperature protection All the unit P5 Condenser h...

Страница 79: ...1 The EEPROM is not inserted well 2 Outdoor main board is broken LED display HF The communication between indoor unit chip and outdoor unit chip is not matched Whether the chip of indoor unit is righ...

Страница 80: ...unit chip Judge 3 check the communication wire sequence is correct or not Connect the wire again NO Judge 4 Check whether there is disconnection YES Replace NO Judge 2 check whether the three cored sh...

Страница 81: ...board labels 5V Replace outdoor main board YES Check whether the connecting wiring between the IPM module positive pole and the CN12 on the power board is break off YES Insert the connecting wiring we...

Страница 82: ...main PCB Judge T3 T4 sensor malfunction Connect the wire again YES NO Judge whether temperature sensor pin connects properly YES Connect again NO NO Replace T3 T4 sensor YES LED displays E5 Voltage pr...

Страница 83: ...ct or not NO Connect again YES O Check whether PN voltage of the DC fan transfer board is from 255V to 367V YES DC fan motor power supply is normal Check the Voltage between DC fan motor s white termi...

Страница 84: ...A System faulty that T3 pipe temperature exceeds 27 degrees for more than 5 minutes under heating mode Whether the outdoor ambient temperature is higher than the unit s operating condition under heati...

Страница 85: ...h pressure switch YES Check whether the cooling system operates normally Replace the main PCB NO Judge 3 whether high pressure of the system is too high YES Stop the system NO Judge 4 whether side air...

Страница 86: ...e unit NO Judge 4 whether refrigerant system leaks YES Leakage detecting add nitrogen or refrigerant into the system si si will sound evidently if leaks heavily Use soap water the combination of water...

Страница 87: ...han 15A Check cooling system is normal or not YES Judge 2 Check whether the outdoor ambient temperature is too high YES Stop the unit NO NO Judge 3 check whether the outdoor unit ventilates well YES M...

Страница 88: ...e compressor Check whether the discharged temperature of the compressor is higher than 115 C NO Check whether the compressor discharged temperature sensor connects with PCB correctly according to the...

Страница 89: ...ture is higher than 62 degrees for 3 seconds NO Check whether the resistance of condenser temperature sensor is correct YES Replace the outdoor PCB NO Replace the temperature sensor YES Judge 1 whethe...

Страница 90: ...D indicators flashes Inverter module LED indicators Errors indicated on LED LED flashing pattern Corresponding error Flashes 8 times and stops for 1 second then repeats L0 Inverter module protection F...

Страница 91: ...sure communication wires are connected properly No Inverter module is failed2 Yes No Voltage between F0 and G on communication wire terminal 10 pins on main PCB is too low2 Yes Replace the inverter mo...

Страница 92: ...e 0 7 1 5 among U V W and infinite between each of U V W and ground If any of the resistances differ from these specifications the compressor has malfunctioned If there is another unit nearby that is...

Страница 93: ...operly No Communication terminal 10 pins on main PCB is failed2 Yes Replace the main PCB No Replace the inverter module Notes 1 Connect the U V W wires between inverter module and compressor in the ri...

Страница 94: ...ng screws for the inverter module and recoat heat dissipation materials No Inverter module is over current2 Yes Replace the compressor No Replace the inverter module Notes 1 Excess refrigerant causes...

Страница 95: ...t mode is set on main PCB1 only available for 40 45kW side discharge units Yes Change to no silent mode No Contact your service agency Notes 1 Silent mode is set on SW3 switch on main PCB Switch Setti...

Страница 96: ...2 error Condition 1 L1 or L2 error appears immediately when the outdoor unit is power on L1 L2 P N 15V wire is not connected properly1 Yes Ensure P N 15V wire is connected properly No Voltage between...

Страница 97: ...IC201 CN205 CN19 DIS1 CN11 CN6 CN8 CN9 CN10 CN22 CN201 A2 A1 O RANGE 5 4 1 2 3 D1 R1 CAP2 FAN DO WN Y G F AN U P Y G CN 7 0 CN71 BLU E BR OWN 2 GND_2 CN30 CN31 CN32 L1 L2 L3 CN19 CN 18 CN18 CN19 GND_1...

Страница 98: ...d1 Yes Replace the contactor No Replace the main PCB Notes 1 Check the voltage between two wires which are connected between contactor and main PCB if the voltage is 220V AC and the contactor is not c...

Страница 99: ...ontactor and main PCB if the voltage is 220V AC and the contactor is not contacted indicates the contactor is failed Condition 3 L4 error appears after the compressor running a period time running fre...

Страница 100: ...k whether average temperature of evaporator is higher than 63 degrees for 50 seconds or not NO Check whether the resistance of evaporator temperature sensor is correct YES Replace outdoor main PCB NO...

Страница 101: ...displays P8 Typhoon protection YES Belongs to normal protection When air conditioner is standby or in malfunction stopping status check if there is strong air blows the fan phenomenon NO Check whether...

Страница 102: ...g 6 Midea Avenue Shunde Foshan Guangdong China Postal code 528311 Tel 86 757 26338346 Fax 86 757 22390205 cac midea com global midea com Note Product specifications change from time to time as product...

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