Midea MDV-V105W/DVN1 Скачать руководство пользователя страница 53

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MCAC-VTSM-2014-09

R410A All DC Inverter Mini VRF

Specifications & Performance 51

8. Electric Characteristics

Model

Outdoor Unit

Power Supply

Compressor

OFM

Voltage

Min.

Max.

TOCA

MFA

RLA

FLA

MDV-V105W/DVN1

208~230V

187V

253V

30A

9.7

0.17

1.6

MDV-V120W/DVN1

208~230V

187V

253V

30A

13.5

0.2

1.8

MDV-V140W/DVN1

208~230V

187V

253V

30A

13.5

0.2

1.8

MDV-V160W/DVN1

208~230V

187V

253V

40A

16.1

2*0.085

2*0.9

Remark:

TOCA: Total Over-current Amps. (A)
MFA: Max. Fuse Amps. (A)

RLA: Rated Locked Amps. (A)
OFM: Outdoor Fan Motor.
FLA: Full Load Amps. (A)
kW: Rated Motor Output (KW)

9. Sound Levels

Model

Noise level dB(A)

MDV-V105W/DVN1

MDV-V120W/DVN1

MDV-V140W/DVN1

MDV-V160W/DVN1

3.28ft.

（

10.5kW

）

3.94ft. (12~16kW)

3.28ft

Содержание MDV-V105W/DVN1

Страница 1: ...ormation 1 Part 2 Outdoor Units 9 Part 3 Installation 49 Part 4 Troubleshooting 61 Manufacture reserves the right to discontinue or change at any time specifications or designs without notices and wit...

Страница 2: ......

Страница 3: ...MCAC VTSM 2014 09 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 4: ...mm Net Gross weight lbs kg Power supply MDV V105W DVN1 Width 42 21 64 1075 Height 38 1 32 966 Depth 15 19 32 396 171 8 187 4 78 85 208 230V 1ph 60Hz MDV V120W DVN1 Width 35 7 14 900 Height 52 1 4 1327...

Страница 5: ...Nomenclature MDV V120W DVN1 Note the actual cooling capacity please refers to the nameplate Refrigerant N1 R410A Power supply V 208 230V 60Hz 1ph D 208 230V 60Hz 3ph C 380 415V 60Hz 3ph Inverter Type...

Страница 6: ...quiring heating and cooling of up to 7 zones with one outdoor unit Such as villa restaurant school etc Midea offers a variety of indoor unit more than 100 models of 15 types Capacity ranges are from 1...

Страница 7: ...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 fluctuati...

Страница 8: ...or 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 retrofit the existin...

Страница 9: ...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 10: ...igh static pressure duct 18 6140 22 7500 28 9600 36 12300 45 15400 56 19100 71 24200 80 27300 90 30700 100 34100 112 38200 140 42600 160 54600 Capacity 100W Capacity Btu h Wall mounted Ceiling Floor S...

Страница 11: ...i VRF Specifications Performance 9 Part 2 Outdoor Units 1 Specifications 10 2 Dimensions 13 3 Service Space 14 4 Piping Diagrams 15 5 Wiring Diagrams 16 6 Capacity Tables 19 7 Electric Characteristics...

Страница 12: ...0 177 200 670 FV50S 0 230 0 166 870 630 Outdoor fan motor Model WZDK170 38G 1 WZDK100 38G Type DC motor DC motor Brand Panasonic Panasonic Insulation class E E Safe class IP23 IP23 Input W 200 2 x 100...

Страница 13: ...8 26 8 Connection wiring Power wiring mm2 3 core x 4 0 3 core x 4 0 Signal wiring mm2 3 core shielded wire x 0 75 3 core shielded wire x 0 75 Ambient temperature Cooling 5 109 4 15 43 Heating 5 80 6 1...

Страница 14: ...s kg 209 4 233 7 95 106 224 9 249 1 102 113 Refrigerant Type R410A R410A Charged volume Lbs kg 8 6 3 9 8 6 3 9 Throttle type Electronic expansion valve Design pressure MPa 4 4 2 6 Refrigerant piping L...

Страница 15: ...09 R410A All DC Inverter Mini VRF Specifications Performance 13 2 Dimensions 10 5kW 12kW 14kW 16kW Unit in mm 38 1 32 966 38 31 32 990 42 21 64 1075 24 9 16 624 13 15 16 354 13 15 64 336 15 19 32 396...

Страница 16: ...300 23 5 8 600 11 13 16 300 78 3 4 2000 Wall or obstacle Maintain channel Air outlet Air inlet Air inlet Single unit installation 78 3 4 2000 11 13 16 300 Parallel connect the two units or above Paral...

Страница 17: ...eceiver 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 The o...

Страница 18: ...R410A All DC Inverter Mini VRF MCAC VTSM 2014 09 16 Specifications Performance 5 Wiring Diagrams For 10 5kW...

Страница 19: ...MCAC VTSM 2014 09 R410A All DC Inverter Mini VRF Specifications Performance 17 For 12 14 16kW...

Страница 20: ...R410A All DC Inverter Mini VRF MCAC VTSM 2014 09 18 Specifications Performance 6 Field Wiring...

Страница 21: ...22 2 35 10 42 2 78 10 76 2 82 10 91 2 83 11 1 2 85 11 4 2 88 11 74 2 92 102 2 9 22 2 5 10 24 2 81 10 57 2 91 10 76 2 93 10 91 2 95 11 25 2 98 11 59 3 02 105 8 9 22 2 63 10 13 2 84 10 46 2 94 10 65 2 9...

Страница 22: ...54 2 79 10 65 2 81 10 95 2 84 11 21 2 86 102 2 7 8 1 96 9 3 2 54 10 2 2 88 10 35 2 89 10 5 2 9 10 76 2 93 11 06 2 96 105 8 7 8 1 99 9 3 2 56 10 12 2 9 10 27 2 91 10 42 2 92 10 63 2 95 10 73 2 98 109 4...

Страница 23: ...98 6 6 37 1 41 7 61 1 78 8 85 2 21 9 45 2 44 10 05 2 68 10 46 2 79 10 72 2 81 102 2 6 37 1 5 7 61 1 9 8 85 2 35 9 45 2 6 10 05 2 85 10 31 2 89 10 54 2 91 105 8 6 37 1 55 7 61 1 99 8 85 2 44 9 45 2 67...

Страница 24: ...9 98 6 4 95 1 03 5 92 1 28 6 86 1 56 7 35 1 7 7 84 1 86 8 78 2 19 9 75 2 55 102 2 4 95 1 09 5 92 1 35 6 86 1 65 7 35 1 81 7 84 1 98 8 78 2 33 9 75 2 72 105 8 4 95 1 14 5 92 1 4 6 86 1 7 7 35 1 87 7 84...

Страница 25: ...4 0 5 4 24 0 58 4 91 0 67 5 25 0 72 5 59 0 76 6 26 0 86 6 98 0 95 64 4 3 54 0 51 4 24 0 59 4 91 0 68 5 25 0 73 5 59 0 77 6 26 0 87 6 98 0 97 68 3 54 0 52 4 24 0 6 4 91 0 69 5 25 0 74 5 59 0 79 6 26 0...

Страница 26: ...3 07 9 16 3 18 19 4 18 32 9 6 2 82 9 6 2 93 9 57 3 03 9 57 3 08 9 53 3 13 9 53 3 23 23 21 92 10 11 2 91 10 08 3 01 10 04 3 11 10 04 3 16 10 04 3 21 10 3 3 26 6 25 34 10 59 3 10 59 3 1 10 55 3 19 10 55...

Страница 27: ...9 15 3 22 9 15 3 3 9 11 3 38 9 11 3 42 9 11 3 46 9 3 49 19 4 18 32 9 48 3 27 9 48 3 35 9 44 3 43 9 44 3 46 9 44 3 5 9 3 33 23 21 92 9 99 3 34 9 95 3 42 9 95 3 49 9 91 3 53 9 66 3 42 9 3 13 26 6 25 34...

Страница 28: ...2 63 7 34 2 46 6 9 2 29 6 68 2 2 6 46 2 12 6 02 1 96 26 6 25 34 7 78 2 48 7 34 2 32 6 9 2 16 6 68 2 09 6 46 2 01 6 02 1 86 32 30 74 7 78 2 27 7 34 2 12 6 9 1 98 6 68 1 91 6 46 1 84 6 02 1 71 37 4 35...

Страница 29: ...1 3 38 12 3 3 42 12 47 3 43 12 69 3 46 13 03 3 5 13 41 3 54 102 2 10 54 3 03 11 7 3 41 12 09 3 53 12 3 3 55 12 47 3 57 12 86 3 61 13 24 3 66 105 8 10 54 3 19 11 58 3 45 11 96 3 56 12 17 3 59 12 34 3 6...

Страница 30: ...3 03 3 35 98 6 8 91 2 24 10 63 2 89 11 87 3 37 12 04 3 39 12 17 3 4 12 52 3 44 12 81 3 47 102 2 8 91 2 38 10 63 3 08 11 66 3 49 11 83 3 5 12 3 52 12 3 3 56 12 64 3 59 105 8 8 91 2 41 10 63 3 1 11 57 3...

Страница 31: ...10 11 2 52 10 8 2 78 11 49 3 05 12 17 3 27 12 43 3 29 102 2 7 29 1 71 8 7 2 16 10 11 2 68 10 8 2 96 11 49 3 25 11 96 3 38 12 26 3 41 105 8 7 29 1 81 8 7 2 3 10 11 2 85 10 8 3 15 11 49 3 46 11 79 3 5...

Страница 32: ...4 2 72 98 6 5 66 1 25 6 77 1 55 7 84 1 89 8 4 2 06 8 96 2 26 10 03 2 66 11 14 3 09 102 2 5 66 1 32 6 77 1 64 7 84 2 8 4 2 19 8 96 2 4 10 03 2 83 11 14 3 29 105 8 5 66 1 38 6 77 1 7 7 84 2 06 8 4 2 27...

Страница 33: ...60 8 4 05 0 61 4 84 0 71 5 61 0 81 6 0 87 6 39 0 92 7 16 1 04 7 97 1 16 64 4 4 05 0 62 4 84 0 72 5 61 0 82 6 0 88 6 39 0 94 7 16 1 06 7 97 1 18 68 4 05 0 63 4 84 0 73 5 61 0 84 6 0 89 6 39 0 95 7 16 1...

Страница 34: ...52 4 35 19 4 18 32 11 02 3 87 11 02 4 01 10 98 4 15 10 98 4 22 10 94 4 28 10 94 4 42 23 21 92 11 61 3 99 11 57 4 12 11 52 4 26 11 52 4 33 11 52 4 39 11 48 4 52 26 6 25 34 12 15 4 11 12 15 4 24 12 11 4...

Страница 35: ...0 46 4 73 10 33 4 78 19 4 18 32 10 88 4 48 10 88 4 58 10 83 4 69 10 83 4 74 10 83 4 79 10 33 4 56 23 21 92 11 46 4 58 11 42 4 68 11 42 4 77 11 38 4 83 11 09 4 68 10 33 4 29 26 6 25 34 12 01 4 67 12 01...

Страница 36: ...91 2 84 23 21 92 8 93 3 6 8 42 3 36 7 92 3 13 7 67 3 02 7 42 2 9 6 91 2 69 26 6 25 34 8 93 3 4 8 42 3 18 7 92 2 96 7 67 2 86 7 42 2 75 6 91 2 54 32 30 74 8 93 3 1 8 42 2 91 7 92 2 71 7 67 2 62 7 42 2...

Страница 37: ...9 4 93 14 35 4 98 14 55 5 01 14 8 5 04 15 2 5 1 15 65 5 16 102 2 12 3 4 42 13 65 4 98 14 1 5 15 14 35 5 18 14 55 5 21 15 5 27 15 45 5 33 105 8 12 3 4 65 13 51 5 03 13 95 5 2 14 2 5 23 14 4 5 26 14 85...

Страница 38: ...12 4 4 21 13 85 4 92 14 05 4 94 14 2 4 96 14 6 5 02 14 95 5 06 102 2 10 4 3 48 12 4 4 48 13 6 5 09 13 8 5 11 14 5 14 14 35 5 19 14 75 5 24 105 8 10 4 3 51 12 4 4 52 13 49 5 12 13 69 5 15 13 89 5 17 14...

Страница 39: ...5 2 49 10 15 3 16 11 8 3 91 12 6 4 31 13 4 4 74 13 95 4 93 14 3 4 97 102 2 8 5 2 64 10 15 3 36 11 8 4 16 12 6 4 59 13 4 5 05 13 75 5 1 14 05 5 14 105 8 8 5 2 74 10 15 3 51 11 8 4 31 12 6 4 71 13 4 5...

Страница 40: ...7 3 88 13 4 51 102 2 6 6 1 93 7 9 2 4 9 15 2 92 9 8 3 2 10 45 3 49 11 7 4 12 13 4 8 105 8 6 6 2 01 7 9 2 48 9 15 3 9 8 3 31 10 45 3 6 11 7 4 29 13 5 02 109 4 6 6 2 18 7 9 2 65 9 15 3 13 9 8 3 48 10 4...

Страница 41: ...8 4 73 0 89 5 65 1 03 6 55 1 18 7 1 26 7 45 1 34 8 35 1 51 9 3 1 69 64 4 4 73 0 9 5 65 1 05 6 55 1 2 7 1 28 7 45 1 37 8 35 1 54 9 3 1 72 68 4 73 0 91 5 65 1 06 6 55 1 22 7 1 3 7 45 1 39 8 35 1 56 9 3...

Страница 42: ...32 5 26 12 27 5 44 19 4 18 32 12 86 4 83 12 86 5 12 81 5 18 12 81 5 27 12 76 5 35 12 76 5 53 23 21 92 13 54 4 99 13 49 5 15 13 44 5 32 13 44 5 4 13 44 5 49 13 4 5 65 26 6 25 34 14 18 5 13 14 18 5 3 1...

Страница 43: ...12 2 5 91 12 05 5 97 19 4 18 32 12 69 5 6 12 69 5 73 12 64 5 86 12 64 5 93 12 64 5 99 12 05 5 7 23 21 92 13 37 5 72 13 32 5 84 13 32 5 96 13 27 6 03 12 93 5 84 12 05 5 36 26 6 25 34 14 01 5 83 14 01 5...

Страница 44: ...9 24 4 14 8 95 3 99 8 65 3 84 8 07 3 55 23 21 92 10 41 4 5 9 83 4 2 9 24 3 91 8 95 3 77 8 65 3 63 8 07 3 36 26 6 25 34 10 41 4 24 9 83 3 97 9 24 3 7 8 95 3 57 8 65 3 43 8 07 3 18 32 30 74 10 41 3 88...

Страница 45: ...11 4 78 16 39 4 81 16 83 4 86 17 33 4 92 102 2 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 09 105 8 13 62 4 44 14 96 4 79 15 45 4 96 15 72 4 99 15 94 5 02 16 44 5 04 16 4...

Страница 46: ...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 82 102 2 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 5 105 8 11 51 3 35 13 73 4 31 14 94 4 88 15 16 4 9...

Страница 47: ...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 74 102 2 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 9 105 8 9 41 2 61 11 24 3 35 13 06 4 11 13 95 4 5 14...

Страница 48: ...3 47 14 39 4 04 98 6 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 3 102 2 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 39 4 58 105 8 7 31 1 92 8 75 2 3...

Страница 49: ...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 64 4 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 68 5 23 0 87 6 26 1 01 7 25 1 16 7 75 1 24 8 25 1 33 9 24 1 49...

Страница 50: ...6 4 96 13 6 5 06 13 55 5 23 19 4 18 32 14 19 4 65 14 19 4 81 14 14 4 98 14 14 5 07 14 09 5 15 14 09 5 32 23 21 92 14 95 4 79 14 9 4 96 14 84 5 12 14 84 5 2 14 84 5 28 14 79 5 43 26 6 25 34 15 65 4 94...

Страница 51: ...5 69 13 31 5 74 19 4 18 32 14 01 5 38 14 01 5 51 13 95 5 64 13 95 5 7 13 95 5 76 13 31 5 48 23 21 92 14 76 5 5 14 71 5 62 14 71 5 74 14 65 5 8 14 28 5 62 13 31 5 15 26 6 25 34 15 46 5 61 15 46 5 72 15...

Страница 52: ...4 29 10 2 3 98 9 88 3 84 9 55 3 69 8 9 3 41 23 21 92 11 5 4 32 10 85 4 04 10 2 3 76 9 88 3 62 9 55 3 49 8 9 3 23 26 6 25 34 11 5 4 08 10 85 3 82 10 2 3 56 9 88 3 43 9 55 3 3 8 9 3 05 32 30 74 11 5 3 7...

Страница 53: ...N1 60 208 230V 187V 253V 30 30A 13 5 0 2 1 8 MDV V140W DVN1 60 208 230V 187V 253V 30 30A 13 5 0 2 1 8 MDV V160W DVN1 60 208 230V 187V 253V 30 40A 16 1 2 0 085 2 0 9 Remark TOCA Total Over current Amps...

Страница 54: ...ient temperature is lower than 15 o C 5 o F or higher than 43 o C 109 4 o F the unit will stop for protection control 10 5 0 5 10 15 20 25 30 35 40 45 10 15 20 25 30 35 20 15 10 5 0 5 10 15 20 25 30 3...

Страница 55: ...RF 53 Installation Part 3 Installation 1 Precautions 54 2 Accessories 55 3 Outdoor unit installation 55 4 Piping installation 57 5 Electric Wiring Installations 61 6 Outdoor Unit Wiring 63 7 Test Runn...

Страница 56: ...than the specified refrigerant into the refrigeration cycle If air or any other has is mixed in refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it may resultantly c...

Страница 57: ...to a strong wind such as the upper stairs or rooftop of a building apply the windproof measures referring to the following examples Install the unit so that its discharge port faces to the wall of the...

Страница 58: ...two units or above Parallel connect the front with rear sides All the pictures in this manual are for explanation purpose only They may be slightly different from the air conditioner you purchased de...

Страница 59: ...ld from inside to outside and then piping and wiring through this Pay attention to the piping the fat connecting pipe should out from the largest hole otherwise the pipes will be rubbed Please do the...

Страница 60: ...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 61: ...m Flaring nut 1 4in 6 35mm Flaring nut Duct type 5 6 14 5 8in 15 9mm Flaring nut 3 8in 9 53mm Flaring nut Ceiling Floor 3 6 4 5 1 2in 12 7mm Flaring nut 1 4in 6 35mm Flaring nut Ceiling Floor 5 6 16 5...

Страница 62: ...s Wash the piping with high pressure nitrogen never use refrigerant of outdoor unit 4 5 Airtight Test Charge pressured nitrogen after connecting indoor outdoor unit piping to do airtight test Cautions...

Страница 63: ...t be the same circuit and must simultaneously on or off otherwise system life will seriously effect and appear the situation not to solve 4 The communication line between indoor units and outdoor unit...

Страница 64: ...engineering is prohibited to bind together with refrigerant piping It is necessary to pass through wire tube and be distributed separately and the gap between control line and power wire should be 50...

Страница 65: ...xed wiring according to the National Wiring Regulation Caution Employ an electrical engineer for wiring Complete wiring according to national electrical standards To reduce interference use a three co...

Страница 66: ...al action can be taken on time Refrigerant critical thickness 0 44 kg m3 for R410A Confirm the critical thickness through follow steps and take necessary actions 1 Calculate the sum of the charge volu...

Страница 67: ...VRF Troubleshooting 65 Part 4 Troubleshooting 1 PCB ports instructions 66 2 PCB parts instructions 68 3 Function setting dials witches instructions 70 4 LED on PCB instructions 71 5 PCB Introduction 7...

Страница 68: ...of outdoor fan port DC380V 15V 14 CN30 Communication port between indoor units DC2 5 5V 15 CN29 Communication port between outdoor unit and indoor unit DC2 5 5V 16 CN13 Signal input port of system low...

Страница 69: ...ort between indoor units DC 5V 15 CN10 Communication port between indoor unit and outdoor unit DC 5V 16 Signal input port of AC input current 17 CN1 Detect port of radiation fin DC 5V 18 CN6 Signal in...

Страница 70: ...ing temperature Actual value 7 T4 environment temperature Actual value 8 T5 discharge temperature Actual value if it is more than one hundred it will be only display the hundreds digit and the tens di...

Страница 71: ...ling 3 Heating 4 Forced cooling 3 Operating fan speed level 0 Power off 4 The total required capacity of the indoor unit 5 The required capacity of the revised outdoor unit 6 T3 piping temperature Act...

Страница 72: ...e If there is no fault or protection code it will be display nn 17 Display 3 Function setting dial switches instructions 10 5 kW SW3 definition Auto Addressing Dial SW3 1 ON Obtain network address aut...

Страница 73: ...to the following picture LED1 Malfunction 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 w...

Страница 74: ...ll DC Inverter Mini VRF MCAC VTSM 2014 09 72 Troubleshooting 5 PCB Introduction 10 5 kW 12 16kW IPM Module Drive Board Main PCB Filter Board PFC Module PFC Module IPM Module Drive Board Main PCB Filte...

Страница 75: ...10 5 kW E8 12 16 kW P1 High pressure protection All models P2 Low pressure protection All models P3 Compressor current protection All models P4 Compressor discharge temperature protection All models...

Страница 76: ...IR341chip is on the IPM module LED display H0 E3 Communication malfunction between main PCB chip and IR341 chip Whether the LED indicator on the drive board flash normally Replace the drive board NO W...

Страница 77: ...ress 0 1 2 3 4 5 6 7 8 9 Capacity 100W 22 28 36 45 56 71 80 90 112 140 HP 0 8 1 0 1 2 1 6 2 0 2 5 3 0 3 2 4 0 5 0 For example LED displays E2 Communication malfunctions between indoor unit chip and ou...

Страница 78: ...n P and Q of outdoor unit Installation refers to the following picture Note Communication wires should be shield wire and indoor units should be connected in series 7 3 E4 Pipe temperature T3 ambient...

Страница 79: ...bolt as follows 7 4 E5 Voltage protection malfunction for all models T4 sensor is worn out and connected with sheet metal After being reconnected the system becomes normal LED displays E5 Voltage prot...

Страница 80: ...diagram to check whether the DC fan wiring is correct or not NO Connect again YES O Check whether power source and voltage of DC fan are normal Check whether the voltage with black red terminal conne...

Страница 81: ...her than normal value compressor makes noise pressure meter do not display steady LED displays E7 Discharge sensor malfunction Check whether discharge temperature sensor s head is inside the sleeve or...

Страница 82: ...function E9 is for 10 5kW E0 is for 12 16kW The malfunction may be caused by two reasons 1 The EEPROM is not inserted well 2 Outdoor main board is broken LED display E9 E0 EEPROM malfunction Replace o...

Страница 83: ...ent temperature is higher than the unit s operating condition when heating mode YES Belongs to system normal protection NO Check whether the refrigerant volume of the system is added according to the...

Страница 84: ...the high pressure switch YES Check whether the cooling system operates normally Replace the main PCB NO Whether high pressure of the system is too high YES Stop the system NO Whether side air duct of...

Страница 85: ...system can work as normal YES NO Check whether the outdoor ambient temperature is too low YES Stop the unit NO Whether refrigerant system leaks YES Leakage detecting add nitrogen or refrigerant into t...

Страница 86: ...ower wire is more than 30A Check cooling system is normal or not YES Check whether the outdoor ambient temperature is too high YES Stop the unit NO NO Check whether the outdoor unit ventilates well YE...

Страница 87: ...perature of the 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 acc...

Страница 88: ...er condenser temperature is higher than 62 degrees for 3 seconds NO Check whether the resistance of condenser temperature sensor is correct YES Replace the outdoor main PCB NO Replace the temperature...

Страница 89: ...bridge is normal or not NO Replace rectifier NO YES Check each reactor is connected normally If wiring is damaged the resistance of two ports is NO Replace connecting wire YES Check if wiring connecti...

Страница 90: ...frequency difference in one second more than 15Hz L9 frequency difference between the real and the setting frequency more than 15Hz L0 module protection L5 Zero speed protection L7 Phase sequence err...

Страница 91: ...ne of the above works replace the PCB Module check 1 DC voltage between P and N should be 296V to 324V 2 DC voltage between 1 and 2 should be 510V to 580V 3 First adjust multi meter to diode position...

Страница 92: ...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 93: ...fasten the wires If wires are OK replace the PCB 7 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...

Страница 94: ...ection Check 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 m...

Страница 95: ...LED 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 wh...

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