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R410A DC Inverter V4 Plus 50Hz MCAC-VTSM-2014-04

Troubleshooting

3.3 Function setting dial switches instructions

LED1:

Power supply indicator lamp of network centralized control chip. The lamp will be on if the power

supply is normal.

LED2:

Running indicator lamp of network centralized control chip. The lamp will be on if the system running

is normal.

LED3:

Malfunction indicator lamp of network centralized control chip. The lamp will flash in Three-phase

phase sequence protection.

LED4:

Malfunction indicator lamp of inverter module. The lamp will flash if the inverter module is faulty and

the error code will display on digital tube.

LED5:

Running indicator lamp of inverter module. The lamp will be on if the compressor is running.

4. Error/Protection code table

No.

Error code

Error or protection type

Note

Outdoor unit COMM. error

Only display in slave unit

Phase protection

COMM. Error with indoor unit

20 minutes after first power on or indoor and

outdoor communication break off over 2

minutes after first power on 20 minutes

LED3

LED2

LED1

LED5

LED4

Содержание VRF V4 Plus I Series

Страница 1: ...MCAC VTSM 2014 04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz General Information 1 Part 1 General Information 1 Product lineup 2 2 Nomenclature 3 3 Features 4 4 Indoor units lineup 9...

Страница 2: ...730W DRN1 i C MDV 785W DRN1 i C MDV 850W DRN1 i C MDV 900W DRN1 i C Outdoor units basic information Model Net dimension W H D mm Net Gross weight kg Max quantity of connectable indoor units MDV 730W...

Страница 3: ...V4 Plus Individual Series 50Hz General Information 3 2 Nomenclature MDV 730 W D R N1 i C Series code i Individual type Refrigerant type N1 R410A Power supply R 380 415V 3Ph 50Hz D DC inverter type W O...

Страница 4: ...a ture A 32HP outdoor unit supports up to 53 indoor units freeing up considerable space outside use your backyard more wisely with much more space available created by less number of outdoor units Max...

Страница 5: ...er and enhance heat exchange performance Hydrophilic film fins and inner threaded copper pipes optimize heat exchange efficiency 40 Pa 20 40 60 80 100 200 1000 45 New structure enhanced mid frequency...

Страница 6: ...n after Y hours Model 1 X 6 hours Y 10 hours Model 2 X 8 hours Y 10 hours Model 3 X 6 hours Y 12 hours Model 4 X 8 hours Y 8 hours Notes This function can be activated by setting at site Temperature l...

Страница 7: ...trofit the existing system with a centralized control by simply connecting to the outdoor units PQE XYE only one set of PQE communication wires can achieve communication among indoor units outdoor uni...

Страница 8: ...venient spot checking and status enquiry Compressor is located near the door which simplifies checks and enables valve or compressor parts to be replaced easily Self diagnosis function helps service e...

Страница 9: ...acity 100W Cassette type 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 type Low static pressure duct Medium...

Страница 10: ...Uncased floor standing Ceiling floor console 22 28 36 45 56 71 80 90 112 140 160 Capacit y 100W Wall mounted Fresh air processing unit Wall mounted S panel Wall mounted C panel Wall mounted R panel W...

Страница 11: ...cations Performances 11 Part 2 Specifications Performances 1 Specifications 12 2 Dimensions 14 3 Service space 15 4 Piping diagrams 17 5 Wiring diagrams and field wiring 19 6 Field wiring 20 7 Electri...

Страница 12: ...ase heater W 33 33 33 33 Refrigerant oil type FVC68D FVC68D FVC68D FVC68D Refrigerant oil charge ml 500 500 500 500 Fixed inverter compressor Model E655DH 65D2YG GC Type Scroll Scroll Scroll Scroll Br...

Страница 13: ...air flow m 3 h 20617 20617 20617 20617 Sound pressure level dB A 64 64 65 65 Connectable indoor unit Total capacity 50 130 50 130 50 130 50 130 Max quantity 43 46 50 53 Outdoor unit Net dimension W H...

Страница 14: ...R410A DC Inverter VRF V4 Plus Individual Series 50Hz MCAC VTSM 2014 04 14 Specifications Performances 2 Dimensions MDV 730W DRN1 i C MDV 785W DRN1 i C MDV 850W DRN1 i C MDV 900W DRN1 i C...

Страница 15: ...us Individual Series 50Hz Specifications Performances 15 3 Service space Ensure enough space for maintenance The modules in the same system must be on the same height When the outdoor unit is higher t...

Страница 16: ...r to the layout used when the outdoor unit is higher than the surrounding obstacle However to avoid cross connection of the outdoor hot air from affecting the heat exchange effect please add an air di...

Страница 17: ...ter VRF V4 Plus Individual Series 50Hz Specifications Performances 17 4 Piping diagrams SV2 OL LC RC SV4 SV3 ST1 ST2 SV5 SV6 EXVB EXVA SV6 F3 F2 F1 BP SV2 OL LC RC SV4 SV3 ST1 ST2 SV5 SV6 EXVB EXVA SV...

Страница 18: ...and it will be closed when the discharge temperature is lower than 90o C SV3 It is used to return the refrigerant and the oil SV3 opens regularly SV4 It is used to help the oil in oil separator retur...

Страница 19: ...MCAC VTSM 2014 04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz Specifications Performances 19 5 Wiring diagrams and field wiring...

Страница 20: ...r connected with each other and jointed to the sheet metal along to the earth Control wire could not be bound together with refrigerant pipeline and power wire When power wire and control wire is dist...

Страница 21: ...MCAC VTSM 2014 04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz Specifications Performances 21 Power 380 415V 50Hz...

Страница 22: ...2 7 2 Notes 1 RLA is based on the following conditions Indoor temp 27 C DB 19 C WB Outdoor temp 35 C DB 2 TOCA means the total value of each OC set 3 MSC means the Max current during the starting of...

Страница 23: ...0 3 24 8 9 76 55 25 3 8 45 64 1 3 23 5 6 69 4 8 23 9 8 71 5 9 24 7 5 72 8 9 24 8 8 73 2 4 24 9 0 73 9 7 24 9 8 75 05 25 8 6 48 64 1 3 24 4 0 71 9 6 24 7 6 78 0 5 24 9 8 79 4 9 25 1 0 80 1 3 25 1 8 79...

Страница 24: ...0 73 2 2 24 6 6 73 4 5 25 3 2 45 54 2 3 17 2 3 64 6 6 21 6 6 69 1 0 24 4 9 70 1 0 24 6 8 71 2 5 24 7 3 72 4 8 25 3 4 72 7 7 25 9 1 48 59 3 9 17 8 3 70 8 1 23 5 0 74 5 7 24 6 5 75 5 5 24 8 5 77 1 5 24...

Страница 25: ...22 7 5 69 8 7 24 3 9 70 8 3 24 9 4 72 1 4 25 1 5 45 44 3 2 14 3 5 52 9 3 18 0 9 61 5 3 21 8 5 65 7 0 23 5 1 69 8 7 25 0 7 70 4 4 25 2 0 71 0 4 25 4 8 48 44 3 2 15 1 5 52 9 3 18 9 3 61 5 3 22 6 7 65 7...

Страница 26: ...1 1 0 16 3 9 54 4 9 17 4 4 61 0 1 20 9 2 67 7 8 24 3 4 45 34 4 2 10 4 8 41 1 9 12 7 4 47 7 1 15 0 3 51 1 0 16 6 6 54 4 9 18 3 1 61 0 1 22 0 5 67 7 8 25 2 7 48 34 4 2 10 7 5 41 1 9 12 8 5 47 7 1 15 1 8...

Страница 27: ...9 7 93 18 24 64 4 24 29 46 4 93 34 15 5 65 36 50 6 04 38 85 6 43 43 54 7 24 48 49 8 08 20 24 64 4 30 29 46 4 99 34 15 5 74 36 50 6 13 38 85 6 55 43 54 7 36 48 49 8 23 21 24 64 4 33 29 46 5 05 34 15 5...

Страница 28: ...9 0 81 76 27 0 1 82 31 27 5 4 45 68 9 7 25 5 7 74 7 2 26 0 3 76 9 8 26 8 6 78 3 9 26 9 9 78 76 27 0 2 79 54 27 1 1 80 70 28 0 6 48 68 9 7 26 4 8 77 3 8 26 8 7 83 9 3 27 1 1 85 4 8 27 2 4 86 17 27 3 3...

Страница 29: ...77 3 1 26 5 9 78 7 3 26 7 6 78 99 27 4 8 45 58 3 1 18 6 9 69 5 3 23 5 1 74 3 0 26 5 7 75 3 8 26 7 8 76 6 2 26 8 3 77 9 4 27 5 0 78 25 28 1 1 48 63 8 6 19 3 5 76 1 5 25 5 0 80 1 9 26 7 5 81 2 4 26 9 7...

Страница 30: ...9 75 1 4 26 4 7 76 1 7 27 0 7 77 5 8 27 2 9 45 47 6 6 15 5 7 56 9 2 19 6 4 66 1 6 23 7 1 70 6 5 25 5 2 75 1 4 27 2 1 75 7 5 27 3 5 76 3 9 27 6 5 48 47 6 6 16 4 4 56 9 2 20 5 4 66 1 6 24 6 1 70 6 5 25...

Страница 31: ...54 9 5 17 7 9 58 5 9 18 9 3 65 6 0 22 7 0 72 8 9 26 4 1 45 37 0 1 11 3 7 44 3 0 13 8 2 51 3 1 16 3 1 54 9 5 18 0 8 58 5 9 19 8 7 65 6 0 23 9 3 72 8 9 27 4 2 48 37 0 1 11 6 6 44 3 0 13 9 5 51 3 1 16 4...

Страница 32: ...61 18 26 49 4 60 31 68 5 35 36 73 6 13 39 25 6 55 41 77 6 98 46 82 7 86 52 15 8 77 20 26 49 4 66 31 68 5 41 36 73 6 23 39 25 6 65 41 77 7 11 46 82 7 99 52 15 8 94 21 26 49 4 70 31 68 5 48 36 73 6 29 3...

Страница 33: ...6 54 31 4 6 88 53 31 5 9 89 13 32 2 1 45 74 6 8 29 9 0 80 9 0 30 4 4 83 36 31 4 1 84 88 31 5 7 85 28 31 6 0 86 12 31 7 0 87 38 32 8 2 48 74 6 8 30 9 6 83 7 9 31 4 2 90 87 31 7 0 92 56 31 8 5 93 30 31...

Страница 34: ...7 1 31 0 9 85 25 31 3 0 85 53 32 1 3 45 63 1 4 21 8 6 75 2 9 27 4 9 80 4 6 31 0 7 81 6 2 31 3 1 82 9 6 31 3 8 84 39 32 1 5 84 73 32 8 8 48 69 1 5 22 6 3 82 4 6 29 8 2 86 8 3 31 2 8 87 9 7 31 5 4 89 8...

Страница 35: ...8 8 7 81 3 6 30 9 6 82 4 8 31 6 5 84 00 31 9 1 45 51 6 1 18 2 1 61 6 3 22 9 6 71 6 4 27 7 3 76 5 0 29 8 4 81 3 6 31 8 2 82 0 2 31 9 8 82 72 32 3 4 48 51 6 1 19 2 2 61 6 3 24 0 3 71 6 4 28 7 8 76 5 0 3...

Страница 36: ...59 5 0 20 8 0 63 4 4 22 1 3 71 0 4 26 5 5 78 9 3 30 8 8 45 40 0 7 13 2 9 47 9 6 16 1 7 55 5 6 19 0 7 59 5 0 21 1 4 63 4 4 23 2 3 71 0 4 27 9 9 78 9 3 32 0 7 48 40 0 7 13 6 4 47 9 6 16 3 1 55 5 6 19 2...

Страница 37: ...69 5 38 34 30 6 25 39 77 7 17 42 50 7 67 45 23 8 16 50 70 9 19 56 47 10 26 20 28 69 5 45 34 30 6 33 39 77 7 28 42 50 7 78 45 23 8 31 50 70 9 34 56 47 10 45 21 28 69 5 49 34 30 6 41 39 77 7 36 42 50 7...

Страница 38: ...7 28 6 9 86 2 1 30 3 6 89 21 31 3 4 90 82 31 5 9 91 63 31 6 8 93 74 31 8 1 94 37 32 4 4 45 79 0 7 30 1 1 85 6 6 30 6 5 88 26 31 6 3 89 87 31 7 9 90 30 31 8 2 91 19 31 9 3 92 52 33 0 5 48 79 0 7 31 1 8...

Страница 39: ...1 08 31 4 1 91 97 31 7 1 43 66 8 6 21 3 3 79 7 2 27 5 3 86 0 6 31 0 1 87 3 4 31 1 6 88 63 31 3 1 90 27 31 5 2 90 56 32 3 6 45 66 8 6 22 0 2 79 7 2 27 6 8 85 1 9 31 2 9 86 4 3 31 5 4 87 84 31 6 0 89 35...

Страница 40: ...1 4 7 89 72 31 6 5 43 54 6 4 17 2 4 65 2 5 22 0 3 75 8 6 26 8 3 81 0 0 29 0 8 86 1 4 31 1 8 87 3 3 31 8 8 88 94 32 1 4 45 54 6 4 18 3 4 65 2 5 23 1 3 75 8 6 27 9 3 81 0 0 30 0 5 86 1 4 32 0 4 86 8 4 3...

Страница 41: ...2 25 8 0 83 5 7 30 1 6 43 42 4 3 13 1 0 50 7 8 15 9 4 58 8 2 18 8 1 63 0 0 20 9 5 67 1 8 22 2 9 75 2 2 26 7 4 83 5 7 31 1 0 45 42 4 3 13 3 9 50 7 8 16 2 8 58 8 2 19 2 1 63 0 0 21 2 9 67 1 8 23 4 0 75...

Страница 42: ...07 53 68 9 10 59 79 10 14 18 30 38 5 42 36 32 6 30 42 11 7 22 45 00 7 72 47 89 8 22 53 68 9 26 59 79 10 33 20 30 38 5 49 36 32 6 38 42 11 7 34 45 00 7 83 47 89 8 37 53 68 9 41 59 79 10 52 21 30 38 5...

Страница 43: ...58 7 7 6 68 05 20 06 68 05 20 79 67 79 21 51 67 79 21 88 67 53 22 23 67 53 22 95 5 5 6 71 67 20 71 71 41 21 40 71 15 22 10 71 15 22 45 71 15 22 79 70 90 23 46 3 3 7 75 04 21 32 75 04 21 99 74 78 22 63...

Страница 44: ...57 24 00 64 57 24 26 64 57 24 56 63 79 24 80 7 7 6 67 15 23 25 67 15 23 78 66 90 24 34 66 90 24 61 66 90 24 88 63 79 23 68 5 5 6 70 77 23 76 70 51 24 26 70 51 24 77 70 25 25 04 68 44 24 26 63 79 22 26...

Страница 45: ...0 73 52 01 19 34 48 90 17 98 47 35 17 31 45 79 16 64 42 69 15 36 7 7 6 55 11 19 82 52 01 18 51 48 90 17 20 47 35 16 59 45 79 15 94 42 69 14 74 5 5 6 55 11 18 67 52 01 17 44 48 90 16 24 47 35 15 65 45...

Страница 46: ...22 89 70 00 23 30 70 00 23 74 69 72 24 55 7 7 6 73 06 21 82 73 06 22 60 72 78 23 39 72 78 23 80 72 50 24 18 72 50 24 96 5 5 6 76 95 22 52 76 67 23 27 76 39 24 03 76 39 24 41 76 39 24 79 76 12 25 51 3...

Страница 47: ...32 26 09 69 32 26 38 69 32 26 70 68 49 26 97 7 7 6 72 10 25 28 72 10 25 86 71 82 26 47 71 82 26 76 71 82 27 05 68 49 25 75 5 5 6 75 98 25 83 75 70 26 38 75 70 26 94 75 42 27 23 73 48 26 38 68 49 24 20...

Страница 48: ...83 21 03 52 50 19 55 50 84 18 82 49 17 18 09 45 83 16 70 7 7 6 59 17 21 56 55 83 20 13 52 50 18 70 50 84 18 04 49 17 17 34 45 83 16 03 5 5 6 59 17 20 30 55 83 18 97 52 50 17 66 50 84 17 02 49 17 16 3...

Страница 49: ...8 5 0 7 7 6 79 32 25 3 2 79 32 26 2 4 79 02 27 1 5 79 02 27 6 2 78 72 28 0 6 78 72 28 9 7 5 5 6 83 54 26 1 3 83 24 27 0 1 82 93 27 8 9 82 93 28 3 3 82 93 28 7 7 82 64 29 6 1 3 3 7 87 47 26 9 1 87 47 2...

Страница 50: ...58 75 27 30 29 75 27 30 62 75 27 31 00 74 36 31 30 7 7 6 78 28 29 34 78 28 30 02 77 98 30 73 77 98 31 06 77 98 31 40 74 36 29 88 5 5 6 82 49 29 98 82 19 30 62 82 19 31 27 81 88 31 61 79 78 30 62 74 3...

Страница 51: ...7 00 22 69 55 19 21 85 53 38 21 00 49 76 19 38 7 7 6 64 24 25 02 60 62 23 37 57 00 21 71 55 19 20 93 53 38 20 12 49 76 18 60 5 5 6 64 24 23 57 60 62 22 01 57 00 20 49 55 19 19 75 53 38 19 01 49 76 17...

Страница 52: ...50 25 8 1 83 50 26 7 4 83 18 27 6 7 83 18 28 1 5 82 86 28 6 0 82 86 29 5 3 5 5 6 87 94 26 6 4 87 62 27 5 3 87 30 28 4 3 87 30 28 8 7 87 30 29 3 2 86 99 30 1 8 3 3 7 92 07 27 4 3 92 07 28 2 9 91 75 29...

Страница 53: ...15 79 23 30 87 79 23 31 21 79 23 31 59 78 27 31 90 7 7 6 82 40 29 91 82 40 30 60 82 08 31 32 82 08 31 66 82 08 32 00 78 27 30 46 5 5 6 86 83 30 56 86 52 31 21 86 52 31 87 86 19 32 21 83 98 31 21 78 2...

Страница 54: ...0 00 23 13 58 10 22 27 56 19 21 41 52 38 19 75 7 7 6 67 62 25 50 63 81 23 81 60 00 22 13 58 10 21 34 56 19 20 51 52 38 18 96 5 5 6 67 62 24 02 63 81 22 44 60 00 20 89 58 10 20 13 56 19 19 37 52 38 17...

Страница 55: ...stalled Sound level can be increased in static pressure mode or used air guide Model Sound pressure level d B A MDV 730W DRN1 i C 64 MDV 785W DRN1 i C 64 MDV 850W DRN1 i C 65 MDV 900W DRN1 i C 65 Soun...

Страница 56: ...odel name Packing Size mm Gross Weight kg Function Branch Joint of outdoor unit FQZHW 02N1D 255 150 185 1 5 Distribute the refrigerant to Indoor Units and balance the resistance between each outdoor u...

Страница 57: ...MCAC VTSM 2014 04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz Selection Procedure 57 Part 3 Selection Procedure 1 Introduction 58 2 Unit selection based on cooling load 61...

Страница 58: ...combination Actual capacity has to be calculated according to the combination by using outdoor unit capacity table Calculation of actual capacity of indoor unit Because the capacity of a multi air con...

Страница 59: ...odel 22 Model 28 Model 36 Model 45 Model 56 Model 71 Model 80 Model 90 Model 112 Capacity Index kW 1 8 2 2 2 8 3 6 4 5 5 6 7 1 8 0 9 0 11 2 Unit Size Model 125 Model 140 Model 160 Model 200 Model 250...

Страница 60: ...d indoor unit Positive data means outdoor unit is top Negative data means outdoor unit is down 1 5 2 Heating capacity modification Modification coefficient of the length and high difference of refrige...

Страница 61: ...2 4 5 1 51 5kW Select outdoor unit MDV 560W DRN1 i C which has nominal cooling capacity 56kW Calculate the proportion between and 51 5 56 92 2 Result Because the proportion is within 50 130 it is a r...

Страница 62: ...have accomplished the calculation But if you think this result is not acceptable you can repeat the above process Remark In this sample the other capacity modification indexes don t be considered and...

Страница 63: ...e 65 4 Lifting method 67 5 Set the snow proof facility 68 6 Air ventilation assembly installation 68 7 Refrigerant piping installation 70 8 Branch pipe installation 75 9 Remove dirt or water in the pi...

Страница 64: ...avoid the abnormal noise generated due to base Base types Steel structure base or concrete base See the figure below for the general making method Note The key points to make basement The master unit...

Страница 65: ...own as follow The spacing between the two cement piers shall not be exceeded over than 650mm Size mm 26 28 30 32HP A 2410 B 2540 C 736 D 765 E 950 3 Installation space Ensure enough space for maintena...

Страница 66: ...R410A DC Inverter VRF V4 Plus Individual Series 50Hz MCAC VTSM 2014 04 66 Installation When the outdoor unit is higher than the surrounding obstacle One row Two rows More than two rows...

Страница 67: ...se two ropes to hoist the machine keep the machine in balance and then raise it safely and steadily In case of no package or if the package is damaged use plates or packing material to protect it When...

Страница 68: ...e stand so that drainage will not be prevented Avoid using a stand with a flat surface 2 Mount a snowfall hood onto the air inlet and the air outlet In snowy areas facilities should be installed to pr...

Страница 69: ...tallation 69 Size mm A A 300 B B 250 C C 10000 D 600 D 760 15o Curve diagram of static pressure air flow volume Static pressure Note 0Pa Factory default 0 20Pa Remove the steel meshes connect the air...

Страница 70: ...R410A DC Inverter VRF V4 Plus Individual Series 50Hz MCAC VTSM 2014 04 70 Installation 7 Refrigerant piping installation 7 1 Valve instructions Unit mm...

Страница 71: ...the outdoor unit is on the top position and the difference of level is over 20m it is recommended that set a oil return bend every 10m in the gas pipe of the main pipe the specification of the oil ret...

Страница 72: ...nit to the farthest indoor unit and the outdoor unit to the nearest indoor unit 40m L1 L5 L8 L9 j L1 L2 L3 a 40m 7 3 Refrigerant piping selection Pipe name Main pipe L1 Indoor unit main pipe L2 L3 L4...

Страница 73: ...the indoor unit main pipe L6 is 22 2 9 5 the branch pipe assembly F is FQZHN 02D 2 The downstream indoor units of L5 are N5 N6 and N7 which capacity is 140 140 140 420 460 Refer to table 2 the indoor...

Страница 74: ...ll pipes in this system is larger than 90m refer to table 3 the main pipe L1 is 38 1 22 2 As the main pipe L1 is selected as 31 8 19 1 from step 2 and 31 8 19 1 from step 3 we finally select the large...

Страница 75: ...r tightness test is conducted by pressurized nitrogen R22 system 28kgf cm 2 R410A system 40kgf cm 2 It is not allowed to adopt oxide flammable gas and toxic gas to conduct air tightness test It s not...

Страница 76: ...hen all the indoor units are in cooling or heating mode the system will be in refrigerant volume judgment mode automatically If the system judges that the refrigerant volume is normal the system will...

Страница 77: ...should be universal Please set all the indoor unit power supply of one system into the same circuit It should turn on or shut down the unit at the same time otherwise the service life would affect ser...

Страница 78: ...ts in the one system Please do not put the signal wires and power wires in the same wire tube keep distance between the two tubes Keep distance above 300mm when current capacity of power supply less t...

Страница 79: ...alized control is needed one CCM03 central controller of indoor unit can only control the indoor units which are in the same refrigerant system via the port X Y E of outdoor unit Outdoor unit will aut...

Страница 80: ...nfirm whether the system to debugging has been carried out vacuum drying and packed with refrigeration as required 15 2 Preparation before debugging Calculate the additional refrigerant quantity for e...

Страница 81: ...kness through following steps and take necessary actions 1 Calculate the refrigerant charge A kg 2 Total refrigerant charge delivered refrigerant charge nameplate supplemental refrigerant charge 3 Cal...

Страница 82: ...VTSM 2014 04 82 Troubleshooting Part 5 Troubleshooting 1 Outdoor electric control box assembly instructions 83 2 Main board ports instructions 85 3 Main board parts instructions 87 4 Error Protection...

Страница 83: ...2014 04 R410A DC Inverter V4 Plus 50Hz Troubleshooting 83 1 Outdoor electric control box assembly instructions 1 1 1 2 1 3 1 4 1 5 1 6 1 11 1 12 3 1 12 2 1 12 1 1 7 1 9 1 13 1 10 1 8 1 14 2 2 2 4 2 5...

Страница 84: ...oard 1 7 Main control box ass y 1 8 Reactance 1 9 Cement type resistor 1 10 Contactor 1 11 Current detection board ass y 1 12 Inverter module radiator ass y 1 12 1 Three phase bridge 1 12 2 50A1200V i...

Страница 85: ...MCAC VTSM 2014 04 R410A DC Inverter V4 Plus 50Hz Troubleshooting 85 2 Main board ports instructions...

Страница 86: ...network accounting 26 Power output of the No 2 transformer 9 Three phase detection port 27 Port for inverter module voltage inspection 10 Power input of the No 1 transformer 28 The sensor of inverter...

Страница 87: ...ay content Current frequency Note 1 0 Outdoor unit address 0 2 1 Outdoor unit itself capacity 26 28 30 32 3 2 Modular outdoor unit Qty Available for main unit 4 3 Qty setting of indoor units Available...

Страница 88: ...saturation temperature Actual value 30 21 20 Current of inverter compressor Actual value 22 21 Current of No 1 fixed compressor Actual value 23 22 Current of No 2 fixed compressor Actual value 24 23 C...

Страница 89: ...tes Starting time is set about 12 minutes Default the Factory Set S2 definition S3 definition Night time selection is 6h 10h Default the Factory Set Night silent mode Default the Factory Set Outdoor p...

Страница 90: ...re mode is medium pressure Reserve position use for customized unit Static pressure mode is high pressure Reserve position use for customized unit S5 definition S6 definition Heating priority mode Def...

Страница 91: ...r main unit 1 3 Stand for slave unit Outdoor unit capacity setting switch Effective to 9 C 9 C Stand for 26HP 32HP ENC3 S12 definition Setting the numbers of indoor unit to be 0 15 Setting the numbers...

Страница 92: ...l flash in Three phase phase sequence protection LED4 Malfunction indicator lamp of inverter module The lamp will flash if the inverter module is faulty and the error code will display on digital tube...

Страница 93: ...pressure sensor error Air discharge pressure Pc 0 3Mpa 17 H9 Reserve Not recoverable unit re power on 18 HC Outdoor unit capacity setting error 19 P0 Inverter compressor top Temp protection 20 P1 High...

Страница 94: ...lay directly on the digital tube you should press the check button after P6 disappear in one minute 5 Troubleshooting 5 1 E0 Communication error between outdoor units Only display on faulty slave unit...

Страница 95: ...hen the quantity of outdoor units is large the phase sequence should be staggered then the current can be distributed to the three phases equally E1 Phase sequence error The 3 phase sequence of power...

Страница 96: ...eries The signal wires are interfered by high voltage power voltage over 220V is high voltage power Signal wires are close to electromagnetic interference source Such as transfer strong fluorescent la...

Страница 97: ...n and the buzzer isn t warning that means the address code is 14 8 4 2 If the four LED lights are flash and the buzzer isn t warning the address code should plus 16 that means the address code is 30 1...

Страница 98: ...W 45kW 56kW The Operation light is normally on that means the capacity code is 8 and the achievable capacity of single PCB is 112 100W 4 0HP then add the value of two PCB so the capacity of indoor uni...

Страница 99: ...The normal value of DC fan motor coil among U V W is less than 10 and the value of AC fan motor coil is from a few ohm to hundreds of ohm for different fan motor model If the measured value is 0 the f...

Страница 100: ...ls of 21 CN29 port is 5V and between GND and 12V terminals of 21 CN29 port is 12V 2 How to check whether the transformer on Main board is disabled The voltage input for 10 CN31 and 11 CN33 terminals a...

Страница 101: ...n Q and GND is DC2 5 2 7V If the voltage is out of the normal range the 485 communication IC is disabled Indoor units should be unified power supply which can prevent compressor from liquid hammer cau...

Страница 102: ...the low pressure side is blocked 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 The...

Страница 103: ...echarging refrigerant 3 The phenomenon of the low pressure side is blocked The discharge temperature is higher than normal value low pressure is lower than normal value current is lower than normal va...

Страница 104: ...l three phase protector and the three phase protector connect with high pressure switch in series connection the system will display P1 protection when fist power on and P1 protection will disappear a...

Страница 105: ...refer to attached table 3 If the system install three phase protector and the three phase protector connect with high pressure switch in series connection the system will display P1 protection when fi...

Страница 106: ...r do not display steady 5 How to check whether compressor is error Measure the resistance between two terminals among the three terminals of compressor The resistance between two terminals is 2 5 the...

Страница 107: ...s higher than normal value 4 The phenomenon of the system contains air or nitrogen The high pressure is higher than normal value current is larger than normal value discharge temperature is higher tha...

Страница 108: ...9 frequency difference between the real and the setting frequency more than 15Hz L0 module protection L5 Zero speed protection L7 Phase sequence error P6 will disappear in one minute Then press the ch...

Страница 109: ...and three phase rectifier stack Note DC and AC switch in the measurement 3 If none of the above works replace the PCB Module check 1 DC voltage between P and N should be 296V to 324V 2 DC voltage betw...

Страница 110: ...control box A is malfunction then check the inverter module If the compressor could not start normally that means the compressor is malfunction the go to step 3 to check the compressor Step 3 Check t...

Страница 111: ...es are OK replace the PCB 5 14 3 L2 troubleshooting Step 1 Check the DC voltage between P and N terminal the normal value should be 510V 580V if the voltage is higher than 580V go to step 2 Step 2 Che...

Страница 112: ...43498 114 0 42304 5 46 5725 35 6 40021 75 1 38703 115 0 41164 4 44 36 6 13059 76 1 34105 116 0 4006 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 3...

Страница 113: ...0 57 72 8 94 112 2 63 7 261 4 33 38 89 73 8 643 113 2 559 6 247 8 34 37 3 74 8 358 114 2 489 5 234 9 35 35 78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294...

Страница 114: ...t temperature T4 20 27 27 33 33 38 38 45 Discharge pressure spot check MPa 2 1 2 3 2 8 3 1 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 0 3 2 3 5 Pressure of low pressure...

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