Midea MV5-X224W/V2GN1-AU Technical & Service Manual Download Page 98

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R410A All DC Inverter V5 X Series 50Hz

MCAC-VTSM-2015-10

96 Installation

3.4 Branch joint dimension

3.4.1 Indoor branch joint dimension

Branch model

Gas side joints

Liquid side joints

FQZHN-01D

FQZHN-02D

FQZHN-03D

FQZHN-04D

FQZHN-05D

FQZHN-06D

)

ID:15.9

(ID:19.1)

OD:22.2

ID:22.2

(ID:19.1)

OD:22.2

ID:22.2

ID:25.4

OD:22.2

Summary of Contents for MV5-X224W/V2GN1-AU

Page 1: ...Model TechnicalServiceManual V5 X Series VRF 3 phase 380 415V 50Hz MV5 X224W V2GN1 AU MV5 X280W V2GN1 AU MV5 X335W V2GN1 AU MV5 X400W V2GN1 AU MV5 X450W V2GN1 AU MV5 X500W V2GN1 AU...

Page 2: ...001 Part 1 General Information 013 Part 2 Selection Procedure 019 Part 3 Specifications Performances 082 Part 4 Installation 129 Part 5 Troubleshooting Contents...

Page 3: ...MCAC VTSM 2015 10 R410A All DC Inverter V5 X Series 50Hz General Information 1 Part 1 General Information 1 Features 2 2 Outdoor units 7 3 Indoor units lineup 11 4 Nomenclature 12...

Page 4: ...or adopts innovative design and numerous high performance key parts which can reduce power consumption by 25 1 1 3 All DC fan motors The system controls the speed of the fan motor according to the sys...

Page 5: ...at exchange efficiency design increases the hot liquid rate in the condenser and improves the heat exchange efficiency 1 2 Flexible design 1 2 1 Wide capacity range V5X Series has extensive capacity r...

Page 6: ...High external static pressure High static pressure propeller and optimized fan guard can adapt to various installation environments V5 X Series units offer up to 60Pa external static pressure for cust...

Page 7: ...compressors running normally 4th stage Oil balance pipes among modules ensure even oil distribution among modules 5th stage Auto oil return program by monitoring the running time and system status ens...

Page 8: ...ralized controller CCM03 or CCM30 can be connected from indoor side or outdoor side XYE terminals at will With one set of wires we can achieve the network communication and system communication making...

Page 9: ...erter V5 X Series 50Hz General Information 7 2 Outdoor units Outdoor units lineup The outdoor units capacity ranges from 8HP up to 88HP in 2HP increments a max combination of 4 basic models 8 10 12HP...

Page 10: ...HP 46 80 90 30 14 16HP 50 85 95 32 16 16HP 53 90 100 34 10 12 12HP 56 95 106 5 36 12 12 12HP 59 100 5 112 5 38 10 12 16HP 63 106 5 119 40 12 12 16HP 64 112 125 42 12 14 16HP 64 118 5 132 5 44 12 16 16...

Page 11: ...16HP 46 78 5 87 5 30 12 18HP 50 83 5 93 5 32 16 16HP 53 90 100 34 16 18HP 56 95 106 36 18 18HP 59 100 112 38 10 10 18HP 63 106 119 40 10 12 18HP 64 111 5 125 42 12 12 18HP 64 117 131 44 12 14 18HP 64...

Page 12: ...8 8 8 12HP 46 78 3 87 5 30 8 10 12HP 50 83 9 94 32 8 12 12HP 53 89 4 100 34 8 12 14HP 56 95 9 107 5 36 8 14 14HP 59 102 4 115 38 12 12 14HP 63 107 120 40 12 14 14HP 64 113 5 127 5 42 14 14 14HP 64 120...

Page 13: ...5 4 5 4 5 4 5 4 5 4 5 5 6 5 6 5 6 5 6 5 6 5 6 7 1 7 1 7 1 7 1 7 1 7 1 8 8 8 9 9 9 10 10 11 2 11 2 11 2 12 5 14 14 14 Capacity kW Type High static pressure duct Ceiling floor Wall mounted Console Floor...

Page 14: ...eneral Information 4 Nomenclature M V5 X 224 W V2 G N1 AU Designed for Australia Refrigerant type N1 R410A Power supply G 380 415V 3Ph 50Hz 60Hz Type V2 All DC Inverter type Outdoor Unit Cooling Capac...

Page 15: ...MCAC VTSM 2015 10 R410A All DC Inverter V5 X Series 50Hz Selection Procedure 13 Part 2 Selection Procedure 1 Introduction 14 2 Unit selection based on cooling load 17...

Page 16: ...ual capacity has to be calculated according to the outdoor unit capacity table Calculation of actual capacity of indoor unit Because the capacity of a multi air conditioner system changes according to...

Page 17: ...8 64 62 4 56 16 49 92 43 68 37 44 31 2 24 88 4 81 6 74 8 68 61 2 54 4 47 6 40 8 34 26 95 55 88 2 80 85 73 5 66 15 58 8 51 45 44 1 36 75 28 104 96 88 80 72 64 56 48 40 30 110 5 102 93 5 85 76 5 68 59 5...

Page 18: ...can by calculated as follows IUC OUC INX TNX Notes IUC Each indoor unit capacity OUC Outdoors unit capacity INX Each indoor unit capacity index TNX Total capacity index Then correct the indoor unit ca...

Page 19: ...C Room D Room E Room F Load kW 2 1 2 8 3 5 4 6 5 8 7 2 Model 22 28 36 45 56 71 Capacity kW 2 3 2 9 3 7 4 8 6 0 7 5 2 3 Outdoor unit selection 1 Assume the indoor unit and outdoor unit combination as...

Page 20: ...MDV D56T2 27 1 56 258 0 958 5 64kW Room F MDV D71T2 27 1 71 258 0 958 7 14kW Location Room A Room B Room C Room D Room E Room F Load kW 2 1 2 8 3 5 4 6 5 8 7 2 Model 22 28 36 45 56 71 Capacity kW 2 21...

Page 21: ...3 Specifications Performances 1 Specifications 20 2 Dimensions 22 3 Service space 26 4 Piping diagrams 27 5 Wiring diagram and field wiring 29 6 Electric characteristics 32 7 Capacity tables 33 8 Oper...

Page 22: ...apacity Max quantity 16 18 22 Compressor Type DC inverter Model E655DHD 65D2YG E655DHD 65D2YG E705DHD 72D2YG Brand Hitachi Quantity 1 Crankcase heater W 27 6 2 Refrigerant oil type FVC68D Refrigerant...

Page 23: ...Packing size W H D mm 1090 1805 860 Net weight kg 219 219 237 Gross weight kg 234 234 252 Operating temperature range C Cooling 5 48 Heating 20 24 Notes Capacities are based on the following conditio...

Page 24: ...Type DC inverter Model E405DHD 42D2YG E405DHD 42D2YG E405DHD 36D2YG E705DHD 72D2YG Brand Hitachi Quantity 2 Crankcase heater W 27 6 4 Refrigerant oil type FVC68D Refrigerant oil charge ml 500 2 Fan mo...

Page 25: ...635 790 Packing size W H D mm 1405 1805 855 Net weight kg 333 333 344 Gross weight kg 351 351 362 Operating temperature range C Cooling 5 48 Heating 20 24 Notes Capacities are based on the following c...

Page 26: ...R410A All DC Inverter V5 X Series 50Hz MCAC VTSM 2015 10 24 Specifications Performances 2 Dimensions 2 1 Overall dimensions 8 10 12HP unit mm 14 16 18HP unit mm 1635 990 790 1635 1340 790...

Page 27: ...Size 8 10 12 14 16 18 A 12 7 15 9 15 9 19 1 B 22 2 28 6 25 4 31 8 C 229 229 244 244 R Liquid side Detect the pressure Refrigerant replenishment vacuumize Gas side Oil balance pipe Gauge point C Piping...

Page 28: ...More than two rows When the outdoor unit is lower than the surrounding obstacle to avoid cross connection of the outdoor hot air from affecting the heat exchange capabilities please add an air direct...

Page 29: ...cles are piled around the outdoor unit such articles must be 800mm 31 1 2in below the top of the outdoor unit The articles must be 800mm 31 1 2in below the top of the outdoor unit Otherwise a mechanic...

Page 30: ...open and spray a small amount of liquid refrigerant to cooling compressor and it will be closed when the discharge temperature is lower than 90o C SV4 Oil return valve Opens after the inverter compre...

Page 31: ...DC Inverter V5 X Series 50Hz 5 Wiring diagram and field wiring 5 1 Wiring diagram 8 10 12HP 29 Specifications Performances ENC1 ENC2 ENC4 NUM_S POWER NET_ADDRESS SV7 SV5 SV1 SV3 SV2 ST1 ST2 SV4 SV6 S...

Page 32: ...5 10 R410A All DC Inverter V5 X Series 50Hz Wiring diagram 14 16 18HP 30 Specifications Performances ENC1 ENC2 ENC4 NUM_S POWER NET_ADDRESS HEAT INV SV7 SV5 SV1 SV3 SV2 ST1 ST2 SV4 SV6 ST3 N HEAT INV1...

Page 33: ...m2 which has polarity please connect it correctly 5 2 2 Example wiring connection PQE PQE H 1H 2E H 1H 2E H 1H 2E To closed end of shield wire open Group control The indoor unit at the terminal of com...

Page 34: ...2 RLA is based on the following conditions Indoor temp 27 C DB 19 C WB Outdoor temp 35 C DB 3 TOCA means the total value of each OC set 4 MSC means the Max current during the starting of compressor 5...

Page 35: ...25 99 3 52 27 17 3 60 27 89 3 81 28 52 3 88 16 18 48 2 51 21 45 2 78 24 95 3 25 25 71 3 57 26 85 3 66 27 49 3 87 28 13 3 94 18 18 48 2 55 21 45 2 84 24 95 3 37 25 63 3 68 26 46 3 75 27 09 3 96 27 81...

Page 36: ...21 44 2 96 24 08 3 38 26 72 3 81 16 13 60 1 82 16 24 2 10 18 88 2 46 20 16 2 71 21 44 3 02 24 08 3 45 26 72 3 88 18 13 60 1 85 16 24 2 14 18 88 2 50 20 16 2 76 21 44 3 08 24 08 3 51 26 72 4 00 20 13...

Page 37: ...80 1 47 12 56 1 70 13 44 1 82 14 32 1 95 16 08 2 21 17 84 2 47 16 9 04 1 26 10 80 1 49 12 56 1 73 13 44 1 86 14 32 1 98 16 08 2 25 17 84 2 52 18 9 04 1 29 10 80 1 51 12 56 1 76 13 44 1 89 14 32 2 02...

Page 38: ...0 97 7 54 1 09 8 07 1 22 14 4 71 0 64 5 61 0 71 6 27 0 79 6 72 0 90 7 30 0 98 7 54 1 10 8 07 1 23 16 4 71 0 65 5 61 0 72 6 27 0 81 6 72 0 91 7 30 1 00 7 54 1 12 8 07 1 26 18 4 71 0 66 5 61 0 73 6 27...

Page 39: ...18 0 45 2 24 0 44 2 92 0 45 3 12 0 49 3 55 0 41 Cooling capacity tables 10HP CR Combination Ratio TC Total Capacity kW PI Power Input kW Compressor Outdoor fan motor CR Outdoor temp C DB Indoor tempe...

Page 40: ...0 32 80 4 71 34 40 4 77 35 20 5 06 16 21 46 2 94 24 80 3 29 30 01 3 89 30 80 4 38 32 80 4 81 34 00 4 83 34 70 5 12 18 21 46 2 99 24 80 3 36 30 01 3 98 30 80 4 51 32 80 5 05 33 50 5 09 34 30 5 28 20 21...

Page 41: ...23 90 3 29 26 80 3 75 29 70 4 23 16 15 10 2 05 18 00 2 46 20 90 2 80 22 40 2 55 23 90 3 35 26 80 3 83 29 70 4 31 18 15 10 2 08 18 00 2 51 20 90 2 86 22 40 2 64 23 90 3 42 26 80 3 91 29 70 4 40 20 15...

Page 42: ...1 30 1 46 13 10 1 68 14 00 1 70 14 90 1 97 16 70 2 22 18 60 2 48 16 9 45 1 33 11 30 1 48 13 10 1 71 14 00 1 70 14 90 2 00 16 70 2 26 18 60 2 52 18 9 45 1 34 11 30 1 51 13 10 1 74 14 00 1 71 14 90 2 04...

Page 43: ...4 4 07 0 46 4 84 0 51 5 73 0 59 5 60 0 67 7 08 0 71 7 48 0 83 8 55 0 95 16 4 07 0 47 4 84 0 53 5 73 0 62 5 60 0 68 7 08 0 76 7 48 0 88 8 55 1 01 18 4 07 0 50 4 84 0 56 5 73 0 66 5 60 0 70 7 08 0 81 7...

Page 44: ...5 67 40 64 5 80 41 70 6 13 42 66 6 26 16 27 64 4 04 32 08 4 48 37 31 5 23 38 45 5 76 40 16 5 89 41 11 6 24 42 06 6 35 18 27 64 4 11 32 08 4 58 37 31 5 42 38 32 5 93 39 57 6 05 40 52 6 38 41 59 6 45 20...

Page 45: ...12 32 06 4 58 36 01 5 24 39 96 5 90 16 20 34 2 82 24 29 3 25 28 24 3 81 30 15 4 20 32 06 4 67 36 01 5 34 39 96 6 01 18 20 34 2 86 24 29 3 32 28 24 3 88 30 15 4 28 32 06 4 77 36 01 5 45 39 96 6 19 20 2...

Page 46: ...21 42 2 77 24 05 3 13 26 68 3 51 16 13 52 1 79 16 15 2 12 18 78 2 46 20 10 2 64 21 42 2 81 24 05 3 19 26 68 3 58 18 13 52 1 83 16 15 2 15 18 78 2 50 20 10 2 68 21 42 2 87 24 05 3 25 26 68 3 64 20 13...

Page 47: ...3 10 91 1 35 11 27 1 52 12 07 1 70 14 7 05 0 89 8 39 0 99 9 37 1 11 10 05 1 25 10 91 1 37 11 27 1 54 12 07 1 72 16 7 05 0 91 8 39 1 00 9 37 1 13 10 05 1 27 10 91 1 39 11 27 1 56 12 07 1 76 18 7 05 0 9...

Page 48: ...66 0 67 5 31 0 55 Cooling capacity tables 14HP CR Combination Ratio TC Total Capacity kW PI Power Input kW Compressor Outdoor fan motor CR Outdoor temp C DB Indoor temperature C DB WD DB 20 8 WB 14 D...

Page 49: ...50 16 7 55 16 30 59 4 38 35 34 4 90 42 76 5 80 43 89 6 54 46 74 7 17 48 45 7 20 49 45 7 63 18 30 59 4 46 35 34 5 01 42 76 5 94 43 89 6 73 46 74 7 52 47 74 7 58 48 88 7 87 20 30 59 4 55 35 34 5 12 42...

Page 50: ...3 52 34 14 4 66 38 28 5 32 42 43 6 00 16 21 57 2 90 25 72 3 48 29 86 3 96 32 00 3 61 34 14 4 74 38 28 5 42 42 43 6 10 18 21 57 2 95 25 72 3 55 29 86 4 04 32 00 3 73 34 14 4 84 38 28 5 53 42 43 6 23 2...

Page 51: ...21 29 2 55 23 86 2 87 26 57 3 21 16 13 50 1 71 16 14 1 91 18 71 2 21 20 00 2 20 21 29 2 59 23 86 2 92 26 57 3 26 18 13 50 1 74 16 14 1 95 18 71 2 25 20 00 2 21 21 29 2 64 23 86 2 97 26 57 3 32 20 13...

Page 52: ...8 19 0 79 8 00 0 91 10 12 0 96 10 69 1 08 12 21 1 22 14 5 81 0 64 6 92 0 70 8 19 0 81 8 00 0 92 10 12 0 99 10 69 1 14 12 21 1 31 16 5 81 0 65 6 92 0 73 8 19 0 86 8 00 0 94 10 12 1 05 10 69 1 22 12 21...

Page 53: ...8 87 16 37 13 5 72 43 09 6 35 50 12 7 41 51 65 8 16 53 95 8 35 55 23 8 84 56 50 9 00 18 37 13 5 83 43 09 6 49 50 12 7 69 51 48 8 41 53 15 8 57 54 43 9 05 55 86 9 14 20 37 13 5 95 43 09 6 77 50 12 8 35...

Page 54: ...5 90 43 07 6 57 48 37 7 51 53 68 8 46 16 27 32 4 04 32 63 4 66 37 93 5 46 40 50 6 02 43 07 6 70 48 37 7 66 53 68 8 61 18 27 32 4 11 32 63 4 77 37 93 5 56 40 50 6 14 43 07 6 84 48 37 7 81 53 68 8 88 20...

Page 55: ...3 39 28 77 3 62 32 30 4 10 35 84 4 60 16 18 16 2 35 21 70 2 77 25 23 3 22 27 00 3 45 28 77 3 68 32 30 4 18 35 84 4 68 18 18 16 2 39 21 70 2 81 25 23 3 28 27 00 3 51 28 77 3 75 32 30 4 25 35 84 4 77 20...

Page 56: ...6 16 22 2 19 14 9 47 1 15 11 27 1 28 12 59 1 43 13 50 1 62 14 66 1 76 15 14 1 99 16 22 2 22 16 9 47 1 17 11 27 1 29 12 59 1 45 13 50 1 64 14 66 1 79 15 14 2 02 16 22 2 27 18 9 47 1 18 11 27 1 32 12 59...

Page 57: ...g capacity tables 18HP CR Combination Ratio TC Total Capacity kW PI Power Input kW Compressor Outdoor fan motor CR Outdoor temp C DB Indoor temperature C DB WD DB 20 8 WB 14 DB 23 3 WB 16 DB 25 8 WB 1...

Page 58: ...23 5 88 44 18 6 58 53 45 7 79 54 87 8 77 58 43 9 63 60 57 9 67 61 81 10 24 18 38 23 5 99 44 18 6 72 53 45 7 97 54 87 9 03 58 43 10 10 59 68 10 18 61 10 10 57 20 38 23 6 11 44 18 6 88 53 45 8 48 54 87...

Page 59: ...0 4 64 42 68 6 15 47 86 7 01 53 04 7 91 16 26 96 3 82 32 14 4 59 37 32 5 22 40 00 4 76 42 68 6 26 47 86 7 15 53 04 8 05 18 26 96 3 89 32 14 4 68 37 32 5 33 40 00 4 92 42 68 6 38 47 86 7 30 53 04 8 21...

Page 60: ...96 26 61 3 44 29 82 3 87 33 22 4 32 16 16 88 2 31 20 18 2 58 23 39 2 98 25 00 2 97 26 61 3 49 29 82 3 94 33 22 4 39 18 16 88 2 34 20 18 2 63 23 39 3 03 25 00 2 98 26 61 3 56 29 82 4 01 33 22 4 47 20 1...

Page 61: ...87 10 23 1 00 10 00 1 14 12 65 1 20 13 36 1 36 15 27 1 54 14 7 27 0 81 8 65 0 88 10 23 1 02 10 00 1 16 12 65 1 24 13 36 1 44 15 27 1 65 16 7 27 0 82 8 65 0 92 10 23 1 08 10 00 1 18 12 65 1 32 13 36 1...

Page 62: ...6 19 13 5 97 19 05 6 19 9 5 10 19 76 5 40 19 68 5 62 19 60 5 83 19 60 5 95 19 60 6 05 19 52 6 27 8 5 9 1 20 16 5 49 20 08 5 70 20 08 5 91 20 00 6 01 20 00 6 13 19 92 6 34 7 7 6 20 87 5 63 20 87 5 83 2...

Page 63: ...5 10 19 49 6 35 19 41 6 52 19 41 6 67 19 33 6 76 19 33 6 84 19 33 7 00 8 5 9 1 19 89 6 42 19 89 6 58 19 81 6 73 19 81 6 81 19 81 6 89 19 57 6 96 7 7 6 20 60 6 52 20 60 6 67 20 52 6 83 20 52 6 91 20 5...

Page 64: ...5 10 16 91 5 97 15 95 5 57 15 00 5 17 14 52 4 98 14 05 4 79 13 10 4 41 8 5 9 1 16 91 5 82 15 95 5 43 15 00 5 04 14 52 4 86 14 05 4 67 13 10 4 31 7 7 6 16 91 5 56 15 95 5 19 15 00 4 83 14 52 4 65 14 05...

Page 65: ...4 10 8 54 24 00 8 86 9 5 10 24 90 7 73 24 80 8 04 24 70 8 34 24 70 8 51 24 70 8 66 24 60 8 97 8 5 9 1 25 40 7 85 25 30 8 15 25 30 8 45 25 20 8 60 25 20 8 76 25 10 9 06 7 7 6 26 30 8 06 26 30 8 34 26 2...

Page 66: ...3 86 9 70 23 76 9 93 9 5 10 24 56 9 09 24 46 9 32 24 46 9 55 24 36 9 67 24 36 9 78 24 36 10 01 8 5 9 1 25 06 9 18 25 06 9 41 24 96 9 63 24 96 9 74 24 96 9 86 24 66 9 96 7 7 6 25 95 9 33 25 95 9 55 25...

Page 67: ...17 70 7 05 16 50 6 50 9 5 10 21 30 8 55 20 10 7 97 18 90 7 40 18 30 7 13 17 70 6 85 16 50 6 31 8 5 9 1 21 30 8 32 20 10 7 76 18 90 7 22 18 30 6 95 17 70 6 68 16 50 6 16 7 7 6 21 30 7 96 20 10 7 43 18...

Page 68: ...65 9 16 29 53 9 53 29 41 9 89 29 41 10 08 29 41 10 26 29 29 10 63 8 5 9 1 30 24 9 30 30 12 9 66 30 12 10 02 30 00 10 20 30 00 10 39 29 88 10 74 7 7 6 31 31 9 55 31 31 9 89 31 19 10 23 31 19 10 41 31 0...

Page 69: ...28 40 11 49 28 28 11 77 9 5 10 29 23 10 77 29 12 11 05 29 12 11 31 29 00 11 45 29 00 11 59 29 00 11 86 8 5 9 1 29 83 10 88 29 83 11 15 29 71 11 42 29 71 11 54 29 71 11 68 29 35 11 80 7 7 6 30 90 11 06...

Page 70: ...93 9 71 22 50 9 02 21 79 8 68 21 07 8 35 19 64 7 70 9 5 10 25 36 10 13 23 93 9 44 22 50 8 77 21 79 8 45 21 07 8 12 19 64 7 48 8 5 9 1 25 36 9 86 23 93 9 20 22 50 8 55 21 79 8 23 21 07 7 92 19 64 7 31...

Page 71: ...35 58 10 83 35 43 11 26 35 29 11 68 35 29 11 91 35 29 12 12 35 14 12 56 8 5 9 1 36 29 10 99 36 14 11 41 36 14 11 84 36 00 12 05 36 00 12 27 35 86 12 69 7 7 6 37 57 11 28 37 57 11 68 37 43 12 09 37 43...

Page 72: ...0 34 08 13 58 33 94 13 91 9 5 10 35 08 12 72 34 94 13 05 34 94 13 37 34 80 13 53 34 80 13 70 34 80 14 02 8 5 9 1 35 79 12 86 35 79 13 17 35 65 13 49 35 65 13 64 35 65 13 81 35 22 13 94 7 7 6 37 08 13...

Page 73: ...28 71 11 47 27 00 10 66 26 14 10 26 25 29 9 86 23 57 9 10 9 5 10 30 43 11 97 28 71 11 16 27 00 10 36 26 14 9 99 25 29 9 59 23 57 8 84 8 5 9 1 30 43 11 65 28 71 10 87 27 00 10 11 26 14 9 73 25 29 9 35...

Page 74: ...9 5 10 39 53 12 48 39 37 12 99 39 21 13 47 39 21 13 73 39 21 13 97 39 05 14 48 8 5 9 1 40 32 12 67 40 16 13 16 40 16 13 64 40 00 13 89 40 00 14 15 39 84 14 63 7 7 6 41 75 13 00 41 75 13 47 41 59 13 94...

Page 75: ...15 66 37 71 16 04 9 5 10 38 98 14 67 38 82 15 05 38 82 15 41 38 66 15 60 38 66 15 79 38 66 16 16 8 5 9 1 39 77 14 82 39 77 15 19 39 61 15 55 39 61 15 72 39 61 15 92 39 14 16 07 7 7 6 41 20 15 07 41 20...

Page 76: ...3 30 00 12 29 29 05 11 82 28 10 11 37 26 19 10 49 9 5 10 33 81 13 80 31 91 12 86 30 00 11 95 29 05 11 51 28 10 11 06 26 19 10 19 8 5 9 1 33 81 13 44 31 91 12 53 30 00 11 65 29 05 11 22 28 10 10 78 26...

Page 77: ...9 5 10 44 27 15 59 44 09 16 22 43 91 16 82 43 91 17 15 43 91 17 45 43 74 18 08 8 5 9 1 45 16 15 82 44 98 16 43 44 98 17 04 44 80 17 34 44 80 17 67 44 62 18 27 7 7 6 46 76 16 24 46 76 16 82 46 58 17 4...

Page 78: ...03 9 5 10 43 66 18 31 43 48 18 79 43 48 19 25 43 30 19 48 43 30 19 72 43 30 20 18 8 5 9 1 44 54 18 51 44 54 18 96 44 37 19 42 44 37 19 64 44 37 19 87 43 83 20 07 7 7 6 46 14 18 81 46 14 19 25 45 96 1...

Page 79: ...2 53 14 76 31 47 14 20 29 33 13 10 9 5 10 37 87 17 23 35 73 16 06 33 60 14 92 32 53 14 37 31 47 13 81 29 33 12 73 8 5 9 1 37 87 16 78 35 73 15 65 33 60 14 55 32 53 14 01 31 47 13 47 29 33 12 43 7 7 6...

Page 80: ...perature is lower than 5 C or higher than 48 C the unit will stop for protection control 50 45 40 35 30 25 20 15 10 5 0 5 10 10 15 25 30 35 20 Range for continuous operation Range for intermittent ope...

Page 81: ...operating condition Sound level will vary depending on a range of factors such as the construction acoustic absorption coefficient of particular room in which the equipment is installed Sound level c...

Page 82: ...ross Weight kg Function Branch joint of outdoor side FQZHW 02N1D 255 150 185 1 5 1 2 Distribute the refrigerant to indoor units and balance the resistance between each outdoor unit FQZHW 03N1D 345 160...

Page 83: ...SZ 1R Shanghai Yinzhou 4 W V 4 way valve STF 01DN1 Foshan Hualu SV Solenoid valve FDF2A 217 PK 2sets FDF6A 049 PK 2sets Zhejiang Zhongbao Item Symbol Name 14HP 16HP 18HP Compressor Inverter Inverter c...

Page 84: ...Refrigerant piping selection 91 4 Refrigerant pipe installation 98 5 Drainage pipe engineering 107 6 Duct engineering 111 7 Heat Insulation Engineering 113 8 Caution for brazing 115 9 Remove dirt or w...

Page 85: ...re sufficient maintenance upkeep space is available keep a large enough maintenance access typically 400x400mm 7 Avoid short circuit ventilation Purpose To ensure sufficient heat exchange of indoor un...

Page 86: ...base stability Base types Steel structure base or concrete base See the figure below for the general making method Note The key points for base The master unit s base must be made on solid concrete gr...

Page 87: ...e set as slave units Take 44HP composed by 10HP 16HP and 18HP as an example 1 Place the 18HP on the first branch site 2 Order the units from the largest capacity to smallest See the detail placement i...

Page 88: ...the outdoor hot air affecting the heat exchange capabilities please add an air director onto the exhaust hood of the outdoor unit to facilitate heat dissipation See the figure below The height of the...

Page 89: ...Defective facilities may cause malfunction Please lift the bracket higher and install snow shield on the air inlet and air outlet 2 Air ventilation assembly installation Ventilation assembly is provid...

Page 90: ...Hz MCAC VTSM 2015 10 88 Installation A A 300 ESP Remarks B B 250 0Pa Factory default C C 3000 0 20Pa Remove the mesh cover and connect to the duct which is less than 3 meters D 731 D 770 20Pa Customiz...

Page 91: ...move the mesh cover and connect to the duct which is less than 3 meters D D A 750 20Pa Customizable 15 2 2 Installation of 14 16 18 20 22HP Example A Unit mm A A 300 ESP Remarks B B 250 0Pa Factory de...

Page 92: ...of outdoor unit is 0 Pa and 20Pa can be achieved when the steel mesh is removed 8 10HP 12HP Static pressure Pa Air volume m3 h 10800 11000 11200 11400 11600 11800 12000 12200 0 10 20 30 40 50 A D e f...

Page 93: ...1 Refrigerant piping length permitted value Static pressure Pa Air volume m3 h 13200 13400 13600 13800 14000 14200 14400 14600 0 10 20 30 40 50 A Defaultthefactoryset B Reserve position beed to be cu...

Page 94: ...lowing conditions are all met the allowable length can be extended to 90m The piping length from each indoor unit to the nearest branch joint should be less than 40m a b c d e f g h i j 40m The length...

Page 95: ...4 FQZHN 05D Table 2 Main pipe selection L1 Unit mm Model Main pipe mm When the equivalent length of all liquid pipes 90m When the equivalent length of all liquid pipes 90m Gas pipe Liquid pipe The 1 s...

Page 96: ...0W The pipe length from indoor unit to the nearest branch joint 10m The pipe length from indoor unit to the nearest branch joint 10m Gas pipe Liquid pipe Gas pipe Liquid pipe A 45 12 7 6 35 15 9 9 53...

Page 97: ...2 9 53 The branch pipe assembly I is FQZHN 02D The downstream indoor units of L8 are N7 N8 N9 and N10 with total capacity of 140 2 71 28 379 Refer to table 1 the indoor unit main pipe L8 is 28 6 12 7...

Page 98: ...D 12 7 OD 12 7 ID 6 4 ID 9 5 OD 12 7 OD 12 7 ID 12 7 ID 9 5 ID 12 7 ID 6 4 ID 9 5 ID 28 6 ID 31 8 OD 28 6 ID 28 6 ID 19 1 ID 22 2 OD 28 6 ID 19 1 ID 22 2 OD 28 6 ID 15 9 ID 15 9 OD 15 9 ID 19 1 ID 12...

Page 99: ...5 4 0D 31 8 ID 31 8 ID 25 4 Q1 Q2 Q7 ID 38 1 ID 41 3 ID 31 8 0D 31 8 ID 31 8 ID 25 4 Q1 Q5 ID 15 9 ID 15 9 ID 19 1 ID 15 9 0D 15 9 ID 12 7 ID 12 7 0D 15 9 Y1 Y6 Y2 ID 19 1 ID 22 2 ID 15 9 0D 15 9 ID 1...

Page 100: ...h may cause complex system errors Special Note Never use CCl4 for pipe cleansing and flushing or the system will be seriously damaged 4 1 3 Support for refrigerant pipe 1 Fixing horizontal pipe When t...

Page 101: ...ing if doing so is impossible it is recommended to prefabricate the subassembly 5 Install vertical or horizontal branch joints and ensure that the horizontal angle is within 10 Refer to the right side...

Page 102: ...the pipe orifice should be sealed 2 When the copper pipe is placed outside a wall ensure that no rain water can enter the pipe particularly when the pipe is placed upright 3 Before completing the pipe...

Page 103: ...performing the bell mouthed opening operation perform fire annealing for the hard pipe 2 Use a pipe cutter to cut pipe ensuring even cross sections and avoid refrigerant leakage do not use a steel sa...

Page 104: ...ectric bender is used Purpose Reduce welding joints and required elbows and improve engineering quality save material no joint is needed 2 Caution 1 When bending a copper pipe ensure that there are no...

Page 105: ...system which will lead to various malfunctions such as compressor burnout poor cooling efficiency To avoid these problems charge nitrogen continuously into the refrigerant pipe during brazing and ens...

Page 106: ...around 0 2kg cm 4 Select a proper position for charging nitrogen 5 Ensure that the nitrogen passes through the welding spots 6 If the pipe between the position for charging nitrogen and the welding s...

Page 107: ...ve on nitrogen gas cylinder The applied gas must be nitrogen If polytetrafluoro ethylene or carbon dioxide is used there is risk of condensation If using oxygen there is risk of explosion 2 Use inflat...

Page 108: ...system flushing sequence is from farthest to nearest relative to the main unit beginning from the farthest pipe opening to the main unit in turn i e 1 2 3 4 5 6 Caution When flushing one pipe opening...

Page 109: ...rinciples 1 Slope 2 reasonable pipe diameter 3 nearby discharge 5 1 2 Installation requirements 1 Before installing condensation piping determine its route and elevation to avoid interference with oth...

Page 110: ...to sagging and creates to air resistance 4 The highest point of drainage piping shall be designed with air hole to ensure that condensation can be discharged smoothly The outlet air hole shall face do...

Page 111: ...connecting part of indoor unit 8 Indoor units with different draining pattern shall not share the same concentrated drainage pipe 9 Discharge of condensation cannot interfere with the normal activitie...

Page 112: ...pipe PVC32 27 25 410 PVC40 34 31 730 Could be used for confluence pipe PVC50 44 40 1440 PVC63 56 51 2760 PVC75 66 67 5710 PVC90 79 77 8280 Attention joints require PVC40 or larger piping 5 3 4 Operati...

Page 113: ...ion pan b Add water until reaching alarm water level ensure the drainage pump can discharge water in a timely fashion If water level does not decline within 3 minutes of reaching the warning level it...

Page 114: ...f flanges should be in accordance with standard gap of bolt hole should be no more than 120m Four sides of rectangle duct flanges should be designed with screw hole 3 Strengthening of metal duct When...

Page 115: ...e insulation excluding joints air tightness test joint insulation Joints Insulation of welded joints or flanges should be carried out after air tightness is confirmed 7 1 2 Purpose of refrigerant pipi...

Page 116: ...influencing insulation effect 7 2 Insulation of Condensation Pipe 1 Select rubber plastic tube with a fire retardant of B1 rating 2 Thickness of insulation layer is usually above 10mm 3 The insulation...

Page 117: ...dirt or water in the piping system before connecting the piping to the outdoor units Flush the system with high pressure nitrogen never use the outdoor units refrigerant for this purpose 10 Gas tight...

Page 118: ...steps 1 Audio detection for identifying large leaks 2 Touch detection place hand at the joint to feel the leakage 3 Soap water detection is used to identify small leaks Escaping gas will create bubble...

Page 119: ...fers moisture in lines from liquid to gas state Typical boiling point for water is 100o C the vacuum pump reduces the internal pressure of the piping system thus reducing the boiling point of water to...

Page 120: ...frigerant 1 Make sure vacuum drying is qualified before recharging refrigerant 2 Calculate the required refrigerant volume by the diameter and the length of liquid pipe 3 Use electronic scale or fluid...

Page 121: ...tual total length of 25 4 liquid pipe m L8 Actual total length of 28 6 liquid pipe 13 Electrical wiring installation 13 1 Wiring terminal instruction 13 2 Electric characteristics Model Units Power su...

Page 122: ...versal All indoor unit power supplies should be tied into the same circuit Powering on and shutting down all indoor units connected to the same outdoor unit should be done simultaneously in order to e...

Page 123: ...wire and control wire are run parallel to each other they should be spaced a minimum of 300mm so as to prevent signal interference Control wire shall not form a closed loop Control wire has polarity s...

Page 124: ...erant system via the X Y E port of the outdoor unit Outdoor unit will automatically distribute addresses to the indoor units Remote controller can query and modify indoor unit addresses The diagram be...

Page 125: ...erant ready Keep system scheme system piping diagram and control wiring diagram ready Record the setting address code on the system scheme Turn on power switches of outdoor unit in advance and keep co...

Page 126: ...rried out according to the Technical Requirement of Product When Commissioning analyze and record operation status so as to understand the operation status of the whole system for convenient maintenan...

Page 127: ...te the indoor volume B as the minimum volume 4 Calculate the refrigerant thickness A B critical thickness 0 3kg m3 Countermeasures for high refrigerant thickness 1 Install mechanical ventilator to red...

Page 128: ...MDV Pro System Date dd mm yy Item name Address Tel Supplier Delivery date dd mm yy Installation section Principal Commissioning section Principal Remark recharged refrigeration quantity to system kg...

Page 129: ...tdoor unit Cooling Unit No 1 No 2 No 3 Run Voltage V Total current of run A Operation current of compressor A High pressure pressure Kg cm 2 Low pressure pressure Kg cm 2 Inlet air temperature C Outle...

Page 130: ...lay value 8 23 High pressure Actual value display value 0 1MPa 24 Low pressure Reserved 25 Quantity of indoor units which are communicated with master unit Actual value display value 26 Quantity of wo...

Page 131: ...MCAC VTSM 2015 10 R410A All DC Inverter V5 X Series 50Hz Troubleshooting 129 Part 5 Troubleshooting 1 Outdoor main control board instructions 130 2 Error code table 136 3 Troubleshooting 137...

Page 132: ...R410A All DC Inverter V5 X Series 50Hz MCAC VTSM 2015 10 130 Troubleshooting 1 Outdoor main control board instructions 1 1 Main PCB ports instructions ENC1 ENC3 S12 S3 S7 S1 ENC2 S4 S2 S5 S6 ENC4 S10...

Page 133: ...220V 17 Null line terminal 0 18 Power output of No 1 transformer The voltage between upper tow pins AC 13 5V The voltage between under tow pins AC 9V 19 Power output of No 2 transformer The voltage be...

Page 134: ...0 132 Troubleshooting 1 2 Main PCB parts instructions ENC1 ENC3 S12 S3 S7 S1 ENC2 S4 S2 S5 S6 ENC4 S10 Forced cooling button Query button LED digital tube display Inverter drive chip Main control chip...

Page 135: ...Pulse value display value 8 22 Opening degree of EXVB Pulse value display value 8 23 High pressure Actual value display value 0 1MPa 24 Low pressure Reserved 25 Quantity of indoor units which are com...

Page 136: ...to set the numbers of indoor units S4 Static pressure mode selection S8 Reserved No static pressure default Low static pressure mode reserved can be customized S10 Reserved Medium static pressure mode...

Page 137: ...he lamp will flash if three phase sequence protection or communication errors communication between indoor units and outdoor units communication among indoor units communication among chips LED4 Runni...

Page 138: ...function of pressure sensor for discharge pipe The discharge pressure Pc 0 3MPa H9 P9 protection appears three times in 60 minutes Display on the faulty unit Cannot be recovered until re power on Hc R...

Page 139: ...ster unit address should be set as 0 slave units addresses should be set from 1 to 3 and the addresses should not be repeated in one system ODU communication wires are connected incorrectly all the wi...

Page 140: ...ggered so that the current can be distributed among the three phases equally E1 Phase sequence error The 3 phase sequence of power supply is wrong The A B C terminal of three phase power supply should...

Page 141: ...nnect the communication wires Communication wires are not connected in series Interference from high voltage lines voltage over 220V is high voltage power Communication wires are close to an electroma...

Page 142: ...nction of temperature sensor Connection ports for temperature sensor on main PCB are loose Fasten the temperature sensor ports Temperature sensor is short circuited or disabled Use a multi meter to me...

Page 143: ...measured value is 0 the fan motor is short circuited 3 How to check for inverter module output Dial multi meter to buzzer gear measure any two terminals of P N and U V W of inverter module if the mul...

Page 144: ...ged Replace the outdoor main PCB The communication wires H1 H2 and E are short circuited or disconnected measure the resistance between H1 H2andE if it is zero or very low this is indication of short...

Page 145: ...ut of the range the power supply for main PCB and transformer is abnormal How to check for transformer The voltage between upper tow pins of 18 CN32 terminal is AC 13 5V the voltage between under tow...

Page 146: ...r supply units may be powered off individually leading imbalances in the system and damage H2 H3 Communication wire between outdoor units is loose Fasten the communication wire Some outdoor units addr...

Page 147: ...s DC2 5 2 7V If the voltage is out of the normal range the 485 communication IC is disabled Indoor units should have unified power supply which can protect the compressor from liquid hammering caused...

Page 148: ...side blockage The discharge temperature is higher than normal value low pressure is lower than normal value current is lower than normal value and suction pipe may be frosting For normal system runni...

Page 149: ...f insufficient refrigerant Top temperature and discharge temperature of all compressors are higher than normal value discharge pressure and suction pressure are both lower than normal value current is...

Page 150: ...e high pressure is higher than normal value the low pressure is lower than normal value and the discharge temperature is higher than normal value The phenomenon of excess refrigerant is The high press...

Page 151: ...ower than normal value current is lower than normal value suction pipe may be frosting All the phenomenon will disappear after recharging refrigerant The phenomenon of low pressure side blockage The d...

Page 152: ...k for compressor Measure the resistance between two of the three compressor terminals The resistance between two terminals is 2 5 the resistance between each terminal and ground is infinite if the res...

Page 153: ...er than normal value The phenomenon air or nitrogen in the system The high pressure is higher than normal value current is larger than normal value discharge temperature is higher than normal value ab...

Page 154: ...to find the specific error code 2 When H4 error code occurs it is also can check the inverter module LED indicators to get the specific error code L0 L1 L2 L4 L5 L7 L8 L9 If inverter module has malfun...

Page 155: ...difference between the real and setting frequency more than 15Hz L0 inverter module protection L5 Zero speed protection L7 Phase sequence error H4 Check module and compressor Check power supply of mo...

Page 156: ...rmal then go to step 2 Step 2 Module check 1 DC voltage between terminal P and terminal N should be 1 41 times the local power supply voltage 2 DC voltage between terminal 1 and 2 should be 510V 580V...

Page 157: ...to step 2 Step 2 Check for rectifier wiring circuit If wires are loose fasten the wires If wires are OK replace the main PCB 3 L2 troubleshooting Step 1 Check the DC voltage between terminal 1 and 2...

Page 158: ...e power wiring from the compressor named compressor A of the faulted system named system A If there is a system running normally nearby named system B Extend the power line of the inverter compressor...

Page 159: ...em oil Normally the oil should be clear and transparent slightly yellow is also not an indication on any problems However if the oil is dark black or contains impurities the system has problems and th...

Page 160: ...gh Leads finally to compressor burnout an damage The scroll plate the crankshaft and the compressor bearings will wear Abrasion leads to larger load higher current Worn crankshaft Worn crankshaft Worn...

Page 161: ...the compressors the rest oil should be charged to the gas liquid separator 3 Add oil to the compressor from the discharge pipe Pour out some oil from each compressor check the quality of the oil Remov...

Page 162: ...t of H9 error code the cause should be promptly identified and addressed in order to avoid excessive damage P9 H9 Make sure the fan module is working in the normal temperature range Some power wires o...

Page 163: ...ntity of IDU or 0 Power supply of fan module has problem fan module needs to be replaced Fan motor start up At first the lamp is on then the lamp is off On P9 H9 Check the drive port and signal feedba...

Page 164: ...r code the system can resume only by restarting the machine How to check for the temperature sensor Using a multi meter to measure resistance if the resistance is too low the sensor is short circuit i...

Page 165: ...he resistance in certain temperature is not consistent with attached table 2 the sensor is disabled The phenomenon of excess refrigerant is The high pressure is higher than normal value the low pressu...

Page 166: ...6 8 6 13059 76 168 8 1 34105 116 240 8 0 4006 3 26 6 41 5878 37 98 6 5 87359 77 170 6 1 29078 117 242 6 0 38991 2 28 4 39 8239 38 100 4 5 62961 78 172 4 1 25423 118 244 4 0 37956 1 30 2 37 1988 39 102...

Page 167: ...65 2 8 358 114 237 2 2 489 5 23 234 9 35 95 35 78 75 167 8 084 115 239 2 422 4 24 8 222 8 36 96 8 34 32 76 168 8 7 82 116 240 8 2 357 3 26 6 211 4 37 98 6 32 94 77 170 6 7 566 117 242 6 2 294 2 28 4 2...

Page 168: ...cooling parameters table Ambient temperature T4 o C 20 27 27 33 33 38 38 45 Discharge pressure spot check MPa 2 1 2 3 2 8 3 2 3 3 3 5 3 7 3 9 Pressure of high pressure valve MPa 1 8 2 0 2 4 2 7 2 8 3...

Page 169: ...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 im...

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