Carrier Xpower Series Service Manual Download | Manualshive

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X-POWER Full DC Inverter Outdoor Unit

208~230V

Thank you very much for purchasing our air conditioner, Before using your air conditioner, please read
this manual carefully and keep it for future reference.

Caution:

The manual is applicable for the cooling&heating and cooling only outdoor unit. The

cooling&heating indoor unit is applicable for the cooling&heating and cooling only outdoor unit; the
heating capacity of the indoor unit will be effective only when the indoor unit connect to the
cooling&heating outdoor unit.

DATABOOK / SERVICE MANUAL

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Summary of Contents for Xpower Series

Page 1: ...and keep it for future reference Caution The manual is applicable for the cooling heating and cooling only outdoor unit The cooling heating indoor unit is applicable for the cooling heating and cooling only outdoor unit the heating capacity of the indoor unit will be effective only when the indoor unit connect to the cooling heating outdoor unit DATABOOK SERVICE MANUAL ...

Page 2: ...Index Part 1 General Information 2 Part 2 Selection Procedure 12 Part 3 Specification Performance 18 Part 4 Installation 97 Part 5 Troubleshooting 156 ...

Page 3: ...Carrier service manual R410a DC Inverter 60Hz General Information 1 Part 1 General Information 1 Features 2 2 Model Lineup 7 3 Units Combination Table 8 4 Indoor Units Lineup 9 5 Nomenclature 11 ...

Page 4: ...ation ratio determines the whole year AC running charge Smooth sine wave DC inverter Adopting the 180 sine wave inverter to smooth motor rotation greatly improves operating efficiency compared with traditional sawtooth wave Common sawtooth wave 180 Sine Wave DC inverter 1 1 2 High efficiency DC fan motor saving power 50 According to the running load and system pressure the system controls the spee...

Page 5: ... range from 1 8kW to 45kW 1 2 2 Wide operation range The V4 S series system operates stably at extreme temperatures ranging from 20 C 4 to 48 C 118 4 1 2 3 Flexible piping design The farthest equivalent pipe length should be equal to or shorter than 40m but it can be up to 90m if meet the required conditions following part 4 installation sections Motor speed RPM System pressure DC inverter steples...

Page 6: ...iled other modules can be backup instead of the failed one for continuing operation 1 3 3 Precise oil control technology 5 stage oil control technology ensures every outdoor unit compressor s oil always keep in the safe level completely solve the compressor oil lack problem 1st stage compressor internal oil separate 2nd stage high efficiency oil separator separation efficiency up to 99 3rd stage o...

Page 7: ... last only 4 minutes due to the use of specialized defrosting valve 1 4 4 Quick warm up cool down design and less temperature fluctuation By utilizing the benefits of the DC inverter compressor the system can reach full load quickly and shorten the warm up and cool down times to provide an immediate and comfortable air solution Less temperature fluctuation will create a better living environment 1...

Page 8: ...an be connected to the meter connector directly in air tight test And also make it more efficient and easy for installation Convenient electronic control check window Can directly observe the operation status from the LED display and directly press the FORCE COOLING CHECK button Self diagnosis function and four digit Digital display help service engineer to find out the fault fast and easily ...

Page 9: ... manual R410a DC Inverter 60Hz General Information 7 2 Model Lineup Outdoor units Combination Unit 8 10 HP 12 14 16 HP 18 HP 20 22 24 26 28 30 32 HP 34 36 38 40 42 44 46 48 HP 50 52 54 56 58 60 62 64 HP 66 68 70 72 HP ...

Page 10: ...8VF022H117010 36 24 38VF024H117010 39 26 38VF026H117010 43 28 38VF028H117010 46 30 38VF030H117010 50 32 38VF032H117010 53 34 38VF034H117010 56 36 38VF036H117010 59 38 38VF038H117010 63 40 38VF040H117010 64 42 38VF042H117010 64 44 38VF044H117010 64 46 38VF046H117010 64 48 38VF048H117010 64 50 38VF050H117010 64 52 38VF052H117010 64 54 38VF054H117010 64 56 38VF056H117010 64 58 38VF058H117010 64 60 38...

Page 11: ...100W Cassette type One way cassette Two way cassette Compact four way cassette Four way cassette 18 22 28 36 45 56 71 80 90 100 112 140 Capacity 100W Duct type Low static pressure duct Medium static pressure duct High static pressure duct 18 22 28 36 45 56 71 80 90 100 112 140 160 200 250 280 400 450 ...

Page 12: ...ng floor console 22 28 36 45 56 71 80 90 112 140 160 Capacity 100W Wall mounted Fresh air processing unit Wall mounted S panel Wall mounted C panel Wall mounted R panel Fresh air processing unit 22 28 36 45 56 71 80 90 125 140 200 250 280 Note Due to continuous improvement specifications are subject to change without prior notice ...

Page 13: ...Carrier service manual R410a DC Inverter 60Hz General Information 11 5 Nomenclature 5 1 Outdoor unit ...

Page 14: ...R410a DC Inverter 60Hz Carrier service manual General Information 12 5 2 Indoor unit ...

Page 15: ...R410a DC Inverter 60Hz Carrier service manual Selection Procedure 12 Part 2 Selection Procedure 1 Introduction 13 2 Unit Selection Based on cooling load 16 ...

Page 16: ...ted according to the combination by using outdoor unit capacity table 1 2 1 Calculation of Actual Capacity of Indoor Unit Because the capacity of a multi air conditioner changes according to the temperature conditions piping length level difference and other factors select the correct model after taking the various correction values into account When selecting the model calculate the corrected cap...

Page 17: ...200 462700 424100 385600 347000 308400 269900 231300 192800 402600 42 523400 483100 442900 402600 362400 322100 281800 241600 201300 421300 44 548000 505700 463700 421400 379400 337100 295100 252800 210900 443600 46 576600 532300 487900 443600 399200 354800 310500 266100 221800 460600 48 598800 552700 506700 460600 414600 368500 322400 276400 230300 488600 50 635300 586200 537400 488600 439800 391...

Page 18: ... 0 1 0 0 1 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 100 99 97 94 92 87 89 85 H m L m L m 1 9 0 2 0 0 83 L Refrigerant pipe equivalent length H Height difference between outdoor and indoor unit Positive data means outdoor unit is top Negative data means outdoor unit is down 1 4 2 Heating capacity modification Modification coefficient of the lengt...

Page 19: ...010 90900Btu h 26 65kW 90 Indoor temperature WB 68 20 C Outdoor temperature DB 95 35 C 101000Btu h 29 61kW 100 Indoor temperature WB 68 20 C Outdoor temperature DB 95 35 C Then calculated the outdoor capacity in 92 combination index Therefore 90900 101000 90900 10 2 92900Btu h 26 65 29 61 26 65 10 2 27 24Kw Outdoor unit 38VF010H117010 cooling temperature DB 95 35 C Capacity modification coefficien...

Page 20: ...3 Specification Performance 1 Specifications 19 2 Dimensions 23 3 Piping Diagrams and Valve explanation 24 4 Electric Characteristics 26 5 Wiring Diagrams and Field Wiring 27 6 Operation Limits 31 7 Capacity Tables 32 8 Sound Levels 74 9 Outdoor Fan performance 75 10 Accessories 76 ...

Page 21: ...X4 Input W 540 rated 540 rated 270 2 rated Output W 450 rated 450 rated 230 2 rated Speed r min 850 rated 850 rated 930 rated Outdoor fan Material Plastic Plastic Plastic Type Axial Axial Axial Fan Quantities 1 1 2 Dimension Diameter H in mm 27 9 16 8 700 202 27 9 16 8 700 202 22 7 7 16 560 189 22 1 8 6 3 8 562 162 Vane Quantities of each blower 3 3 3 4 Outdoor coil Number of rows 2 2 2 Tube pitch...

Page 22: ... 5 8 Ф15 9 1 1 4 Ф31 8 Ambient temperature range Cooling 23 118 4 5 48 Heating 4 75 2 20 24 Notes 1 The cooling conditions indoor temperature 27 DB 80 6 19 WB 60 outdoor temperature 35 DB 95 equivalent pipe length 16 4ft 5m drop length 0m 2 The heating conditions indoor temperature 20 DB 68 15 WB 59 outdoor temperature 7 DB 44 6 equivalent pipe length 16 4ft 5m drop length 0m 3 Sound values are me...

Page 23: ...2 Output W 390 2 rated 390 2 rated 565 2 Speed r min 1110 rated 1110 rated 800 Outdoor fan Material Plastic Plastic Plastic Type Axial Axial Axial Fan Quantities 2 2 2 Dimension Diameter H in mm 22 7 7 16 560 189 22 1 8 6 3 8 562 162 22 7 7 16 560 189 22 1 8 6 3 8 562 162 22 7 7 16 560 189 22 1 8 6 3 8 562 162 Vane Quantities 3 4 3 4 3 4 Outdoor coil Number of rows 2 2 2 Tube pitch a row pitch b i...

Page 24: ...ating 4 75 2 20 24 4 75 2 20 24 Notes 1 The cooling conditions indoor temperature 27 DB 80 6 19 WB 60 outdoor temperature 35 DB 95 equivalent pipe length 16 4ft 5m drop length 0m 2 The heating conditions indoor temperature 20 DB 68 15 WB 59 outdoor temperature 7 DB 44 6 equivalent pipe length 16 4ft 5m drop length 0m 3 Sound values are measured in a semi anechoic room at a position 3 28ft 1m in fr...

Page 25: ...m 37 25 32 960mm Position illustration of screw bolts Unit in mm 15 23long U shape hole 32 43 64 830mm 37 25 32 960mm 28 31 32 736mm 30 1 8 765mm 12 14 16HP Unit in mm 49 7 32 1250mm 49 7 32 1250mm 63 9 16 1615mm 30 1 8 765mm Position illustration of screw bolts Unit in mm 28 31 32 736mm 30 1 8 765mm 15 23long U shape hole 44 19 64 1120mm 12 14 16 18HP ...

Page 26: ...bce 12 16HP Compressor Inverter Compressor Inverter Oil seperator SV4 SV2 Low pressure receiver Low pressure switch EXV A EXV B SV5 Unloading valve SV6 DC fan Heat exchanger ST1 Stop valve High pressure Stop valve Low pressure Oil balabce Oil Balance Stop Valve Low Pressure Stop Valve High Pressure Compressor INVERTER Compressor FIX Oil Separator unloading valve SV4 Heat Exchanger DC Fan EXV A SV6...

Page 27: ...er the DC inverter compressor has been run for 5 minutes and then closes 15 minutes later For the system has only one outdoor unit Every 20 minutes SV4 of each outdoor unit opens for 3 minutes For the system has more than one outdoor unit SV5 for defrosting In defrosting mode the opening of SV5 can cut the refrigerant flowing circle so the defrosting process will takes less time In cooling mode it...

Page 28: ...er current MCA 54 6 54 6 2 163 8 TOCA 54 4 54 4 2 163 2 MFA 60 60 2 180 Compressor RLA 35 5 21 1 3 169 8 OFM FLA 3 4 2 3 4 2 2 20 4 Remark MCA Min Current Amps A TOCA Total Over current Amps A MFA Max Fuse Amps A MSC Max Starting Amps A RLA Rated Locked Amps A OFM Outdoor Fan Motor FLA Full Load Amps A KW Rated Motor Output KW Notes 1 RLA is based on the following conditions Indoor temperature 80 ...

Page 29: ...Carrier service manual R410a DC Inverter 60Hz Specification Performance 27 5 Wiring Diagrams and Field Wiring 5 1 Wiring diagram for 8 10HP ...

Page 30: ...i t o r T ok i l o w a t t h o u r m e t e r T oi n d o o ru n i t s c e n t r a lm o n i t o r T oi n d o o ru n i t s c o m m u n i c a t i o nb u s T oo u t d o o ru n i t s c o m m u n i c a t i o nb u s Middle terminal Currentinductor Power transformer Note x reprsents for asystem 1 A system 2 B system High pressure ON OFF switch CN1 Brown Brown Brown Red Red Red Black Red Red Red White Red B...

Page 31: ...Carrier service manual R410a DC Inverter 60Hz Specification Performance 29 Wiring diagram for 18HP ...

Page 32: ... control wire is distributed in parallel form keep gap between them above 300mm so as to preventing signal interference Control wire could not form closed loop Control wire has polarity so be careful when connecting 5 2 1 Signal wire between outdoor unit and indoor unit Signal wire of indoor outdoor unit adopts 3 core shielded wire 0 75mm2 which has polarity please connect it correctly 5 2 2 Examp...

Page 33: ... d o o r t e m p e r a t u r e D B Heating 15 20 Notes 1 If the system is running in cooling mode when the ambient temperature is lower than 5 or higher than 48 the units will stop running for protection control 2 These figures base on the operation conditions between indoor units and outdoor units Equivalent pipe length is 5m and height difference is 0m Precaution The indoor relative humidity sho...

Page 34: ... 65 45 22 14 6 17 23 99 6 28 24 71 6 48 25 16 6 51 25 28 6 52 25 53 6 54 25 91 6 77 48 22 14 4 99 24 84 4 81 26 94 4 99 27 44 4 95 27 66 4 97 27 54 4 97 28 04 5 37 120 5 20 43 2 31 24 30 2 79 28 26 3 30 30 24 3 60 31 68 3 75 32 40 3 87 33 12 3 98 2 20 43 2 33 24 30 2 82 28 26 3 34 30 24 3 62 31 68 3 80 32 40 3 91 33 12 3 99 0 20 43 2 35 24 30 2 84 28 26 3 37 30 24 3 63 31 68 3 83 32 40 3 93 33 12 ...

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Page 65: ...2 41 18 16 2 80 21 05 3 21 22 50 3 41 23 95 3 64 26 84 4 09 29 89 4 55 14 15 19 2 44 18 16 2 84 21 05 3 25 22 50 3 48 23 95 3 69 26 84 4 16 29 89 4 64 16 15 19 2 48 18 16 2 87 21 05 3 30 22 50 3 53 23 95 3 75 26 84 4 23 29 89 4 71 18 15 19 2 52 18 16 2 93 21 05 3 35 22 50 3 59 23 95 3 82 26 84 4 30 29 89 4 80 20 15 19 2 55 18 16 2 96 21 05 3 41 22 50 3 64 23 95 3 89 26 84 4 37 29 89 4 89 21 15 19 ...

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Page 67: ...0 14 75 34 60 14 92 34 44 15 10 34 44 15 46 11 8 13 36 19 14 32 36 19 14 67 36 03 15 00 36 03 15 16 36 03 15 35 34 92 14 93 9 8 11 37 94 14 60 37 94 14 93 37 78 15 26 37 78 15 41 37 46 15 38 34 92 14 10 9 5 10 38 89 14 75 38 72 15 06 38 73 15 38 38 73 15 55 37 46 14 93 34 92 13 69 8 5 9 1 39 68 14 88 36 88 15 20 39 52 15 50 38 73 15 15 37 46 14 53 34 92 13 32 7 7 6 41 11 15 10 41 11 15 40 40 00 15...

Page 68: ...6 6 20 21 68 5 78 5 4 1 28 17 7 14 26 58 6 71 25 00 6 30 24 05 6 10 23 26 5 90 21 68 5 50 7 6 28 17 6 78 26 58 6 38 25 00 6 00 24 05 5 80 23 26 5 61 21 68 5 25 9 7 9 28 17 6 43 26 58 6 06 25 00 5 70 24 05 5 53 23 26 5 35 21 68 5 00 11 9 8 28 17 6 11 26 58 5 76 25 00 5 43 24 05 5 27 23 26 5 10 21 68 4 77 13 11 8 28 17 5 81 26 58 5 48 25 00 5 17 24 05 5 02 23 26 4 85 21 68 4 55 15 13 7 28 17 5 53 26...

Page 69: ... 10 15 23 55 53 15 39 37 40 54 11 54 48 21 14 95 50 36 15 45 51 07 15 53 51 79 15 61 53 21 15 77 54 64 15 95 39 40 54 12 28 48 04 15 79 49 47 15 97 50 18 16 07 50 89 16 15 52 50 16 33 53 93 16 48 41 40 54 12 62 47 65 15 90 49 08 16 08 49 79 16 18 50 51 16 26 52 11 16 37 52 38 16 61 43 40 54 12 80 47 39 16 01 48 69 16 18 49 40 16 24 50 12 16 32 51 21 16 42 51 56 16 94 45 40 54 12 95 47 13 16 16 48 ...

Page 70: ...4 47 86 6 75 53 75 7 76 59 64 8 88 2 30 36 4 14 36 25 4 98 42 14 5 89 45 00 6 43 47 86 6 83 53 75 7 83 59 64 8 97 0 30 36 4 21 36 25 5 04 42 14 5 98 45 00 6 51 47 86 6 92 53 75 7 92 59 64 9 04 2 30 36 4 27 36 25 5 11 42 14 6 04 45 00 6 61 47 86 7 03 53 75 8 09 59 64 9 17 4 30 36 4 34 36 25 5 18 42 14 6 14 45 00 6 70 47 86 7 11 53 75 8 21 59 64 9 31 6 30 36 4 40 36 25 5 28 42 14 6 26 45 00 6 82 47 ...

Page 71: ...8 41 79 6 46 46 43 7 26 12 23 57 3 61 28 21 4 29 32 68 5 02 35 00 5 40 37 32 5 78 41 79 6 58 46 43 7 40 14 23 57 3 67 28 21 4 36 32 68 5 10 35 00 5 48 37 32 5 88 41 79 6 70 46 43 7 54 16 23 57 3 73 28 21 4 45 32 68 5 20 35 00 5 60 37 32 6 00 41 79 6 82 46 43 7 67 18 23 57 3 79 28 21 4 53 32 68 5 30 35 00 5 70 37 32 6 10 41 79 6 96 46 43 7 83 20 23 57 3 85 28 21 4 60 32 68 5 40 35 00 5 80 37 32 6 2...

Page 72: ...6 61 3 82 29 82 4 30 33 22 4 78 8 16 88 2 62 20 18 3 05 23 39 3 47 25 00 3 67 26 61 3 87 29 82 4 37 33 22 4 93 10 16 88 2 67 20 18 3 09 23 39 3 53 25 00 3 73 26 61 3 99 29 82 4 48 33 22 5 00 12 16 88 2 69 20 18 3 13 23 39 3 59 25 00 3 81 26 61 4 07 29 82 4 56 33 22 5 08 14 16 88 2 73 20 18 3 17 23 39 3 63 25 00 3 89 26 61 4 13 29 82 4 64 33 22 5 18 16 16 88 2 77 20 18 3 21 23 39 3 69 25 00 3 95 26...

Page 73: ... 15 43 9 5 10 44 27 13 46 44 09 14 00 43 91 14 53 43 91 14 81 43 91 15 07 43 74 15 61 8 5 9 1 45 16 13 67 44 98 14 19 44 98 14 71 44 80 14 98 44 80 15 26 44 62 15 78 7 7 6 46 76 14 02 46 76 14 53 46 58 15 03 46 58 15 29 46 40 15 54 46 40 16 04 5 5 6 49 24 14 47 49 07 14 96 48 89 15 44 48 89 15 69 48 89 15 93 48 72 16 40 3 3 7 51 56 14 90 51 56 15 37 51 38 15 82 51 38 16 04 51 20 16 29 51 20 16 73 ...

Page 74: ...45 96 17 20 45 96 17 39 43 83 16 55 5 5 6 48 63 16 60 48 45 16 96 48 45 17 31 48 27 17 50 47 03 16 96 43 83 15 55 3 3 7 50 93 16 92 50 93 17 26 50 40 17 33 48 63 16 64 47 03 15 97 43 83 14 66 0 0 7 55 19 17 41 53 60 16 98 50 40 15 72 48 63 15 11 47 03 14 51 43 83 13 33 3 2 2 56 79 16 58 53 60 15 44 50 40 14 32 48 63 13 78 47 03 13 24 43 83 12 19 5 4 1 56 79 15 59 53 60 14 53 50 40 13 50 48 63 12 9...

Page 75: ...2 53 10 94 31 47 10 52 29 33 9 74 3 3 7 37 87 12 32 35 73 11 52 33 60 10 73 32 53 10 36 31 47 9 96 29 33 9 22 0 0 7 37 87 11 25 35 73 10 54 33 60 9 83 32 53 9 50 31 47 9 14 29 33 8 47 3 2 2 37 87 10 32 35 73 9 68 33 60 9 05 32 53 8 73 31 47 8 43 29 33 7 81 5 4 1 37 87 9 76 35 73 9 16 33 60 8 56 32 53 8 28 31 47 7 98 29 33 7 42 7 6 37 87 9 23 35 73 8 67 33 60 8 11 32 53 7 85 31 47 7 59 29 33 7 05 9...

Page 76: ... Inverter 60Hz Carrier service manual 74 Specification Performance 8 Sound Levels Standard of testing Test value Outdoor unit HP Noise level dB 8 57 10 57 12 59 14 61 16 62 Sound Curve 8 10HP 12HP 14HP 16 18HP ...

Page 77: ...tory set B Reserve position beed to be customized Static pressure Pa 11800 12000 12200 12400 12600 12800 13000 13200 13400 0 20 40 60 80 Air volume m3 h A D e f a u l t t h e f a c t o r y s e t B R e s e r v e p o s i t i o n b e e d t o b e c u s t o m i z e d C R e s e r v e p o s i t i o n b e e d t o b e c u s t o m i z e d Air pressure curve diagram take down the mesher 14200 14400 14600 148...

Page 78: ...tone for service 10 Switching pipe Air side 1 the quantity of 12 14HP are 2 Connect to the air pipe side use when it is needed 10 2 Optional accessories Optional accessories Model name Function Branch Joint of outdoor side BJC 02 CM i Distribute the refrigerant to indoor units and balance the resistance between each outdoor unit BJC 03 CM i BJC 04 CM i Branch Joint of indoor side BJF 224 CM i BJF ...

Page 79: ...art 4 Installation 1 Installation Introduction 98 2 Units Installation 113 3 Refrigerant Pipe Engineering 120 4 Drainage Pipe Engineering 136 5 Duct Engineering 141 6 Heat Insulation Engineering 143 7 Electrical Engineering 146 8 Commissioning and Trial Running 150 ...

Page 80: ...nce Level difference between indoor unit and outdoor unit Outdoor unit up 230ft 70m _____ Outdoor unit down 361ft 110m Level difference between indoor unit and indoor unit 98ft 30m Fig 4 1 N1 140 N3 140 N5 140 N6 71 N7 71 N9 56 N8 140 N2 140 N4 140 N10 56 A B D E F G H I C a b c e f g h i j d L1 L2 L5 L7 L9 L8 L6 L3 L4 Outdoor unit one or more outdoor units The first branch joint Level differen be...

Page 81: ...joint assembly Please change the pipe diameter at field If the pipe diameter of the main slave pipe is the same as the main pipe then it is not needed to be increased N10 L5 L8 L9 j 295ft 90m L2 L3 L4 L5 L6 L7 L8 L9 Need to increase the pipe diameter of the distribution pipe Increasing size as the following Φ3 8 Φ9 53 Φ1 2 Φ12 7 Φ1 2 Φ12 7 Φ5 8 Φ15 9 Φ5 8 Φ15 9 Φ3 4 Φ19 1 Φ3 4 Φ19 1 Φ7 8 Φ22 2 Φ7 ...

Page 82: ...table Table 4 3 The total capacity of Indoor units 100W When indoor unit pipe length 32 8ft 10m When indoor unit pipe length 32 8ft 10m Gas side Liquid side Gas side Liquid side A 45 Φ1 2 Φ12 7 Φ1 4 Φ6 35 Φ5 8 Φ15 9 Φ3 8 Φ9 53 A 56 Φ5 8 Φ15 9 Φ3 8 Φ9 53 Φ3 4 Φ19 1 Φ1 2 Φ12 7 1 1 2 2 Selection of the branches and indoor main pipe E g The branches A I and indoor main pipe L2 L9 in the above drawing ...

Page 83: ...7 8 Φ22 2 BJF 1344 CM i 50 64HP Φ1 5 8 Φ41 3 Φ7 8 Φ22 2 BJF E1344 CM i Φ1 3 4 Φ44 5 Φ1 Φ25 4 BJF E1344 CM i 64 72HP Φ1 3 4 Φ44 5 Φ1 Φ25 4 BJF E1344 CM i Φ2 1 8 Φ54 0 Φ1 Φ25 4 BJF E1500 CM i Notice If the total indoor units capacity is more than the total outdoor units please select the main pipe diameter according to the bigger one E g When the total capacity of 16HP 16HP 14HP paralleled outdoor u...

Page 84: ... 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 Φ9 53 c 140 A 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 Φ9 53 d 140 A 56 Suppose 32 8ft 10m Φ3 4 Φ19 1 Φ1 2 Φ12 7 e 140 A 56 Suppose 32 8ft 10m Φ3 4 Φ19 1 Φ1 2 Φ12 7 f 71 A 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 Φ9 53 g 71 A 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 Φ9 53 h 140 A 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 Φ9 53 i 56 A 56 Suppose 32 8ft 10m Φ5 8 Φ15 9 Φ3 8 ...

Page 85: ...able 4 7 g2 14HP Φ1 1 4 Φ31 8 Welding Φ5 8 Φ15 9 Flaring Nut 12 W2 16HP g3 16HP Φ1 1 4 Φ31 8 Welding Φ5 8 Φ15 9 Flaring Nut 12 W1 16HP G1 24HP Φ1 1 2 Φ38 1 Welding Φ19 1 Welding Two modular combination L1 40HP Φ1 1 2 Φ38 1 Welding Φ19 1 Welding 34 48HP according to the table 4 5 L M Three modular combination BJC 03 CM I according to the table 4 7 1 1 3 4 Compare the total capacity from indoor side...

Page 86: ... 12 7 OD 15 9 ID 9 5 ID 15 9 ID 12 7 OD 15 9 ID 9 5 ID 6 4 ID 19 1 ID 22 2 ID 28 6 OD 34 9 ID 34 9 OD 34 9 ID 38 1 ID 22 2 ID 28 6 OD 34 9 ID 34 9 ID 12 7 ID 15 9 OD 19 1 ID 19 1 OD 19 1 ID 19 1 ID 22 2 ID 12 7 ID 15 9 OD 19 1 ID 9 5 ID 15 9 ID 19 1 OD 22 2 ID 22 2 OD 22 2 ID 22 2 ID 25 4 ID 15 9 ID 19 1 OD 22 2 ID 12 7 ID 54 ID 34 9 ID 41 3 ID 63 5 ID 54 OD 54 OD 54 ID 41 3 ID 63 5 ID 15 9 ID 19 ...

Page 87: ...Carrier service manual R410a DC Inverter 60Hz Installation 105 1 1 4 2 Outdoor branch drawing Outdoor branch BJC 02 CM I BJC 03 CM I BJC 04 CM I Gas side Liquid side Oil balance pipe 2 pcs ...

Page 88: ...e sufficient ventilation rate Thermal insulation engineering Ensure no gap between the thermal insulation materials Insufficient refrigerant Overheated running Compressor fault Filth blockage of refrigerant pipe Leakage of refrigerant pipe Product of the chemical reaction between ice or water of throttling parts and the refrigerant damages the insulation Moisture of refrigerant pipe Degraded effic...

Page 89: ...ceiling Test Running and commissioning Run the indoor units one by one to check whether any pipe or cable is incorrectly installed Delivering operation instructions Deliver related materials while providing operation instruction to the user Note The general procedure for refrigerant machine is subject to change according to the situation 1 2 3 Install indoor unit s procedure Note 1 The hook must s...

Page 90: ...on procedure Note For welding part flare part and branch pipe heat insulation work must be done after finished the pressure test 1 2 9 Install outdoor unit Note 1 Gutter must be set around the foundation to drain the condensation water 2 When installing outdoor units at the roof please check the strength of the roof and pay attention not to destroy the waterproof of the roof 1 2 10 Recharge refrig...

Page 91: ...hape ladder electric drill folding machine forming machine nitrogen cylinder are also generally used during the installation 1 3 2 Audit of construction drawings Before the engineering installation read carefully the related drawings to understand the design intention audit the drawings and then work out a detailed engineering organization plan 1 Make sure that the pipe diameters and branch pipe m...

Page 92: ...hines and conduct pre installing Check the pre installing results 1 3 6 2 Pipeline route 1 The pipe for condensate water should have a downward slope the slope should be at least 1 100 2 The diameter of the through hole for the refrigerant pipe should take the thickness of the thermal insulation material into consideration it is recommended to lay the gas pipe and liquid pipe in two separate colum...

Page 93: ...rminal If connection or fixing is not perfect it will cause heat up or fire at the connection 13 Wiring routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed perfectly it will cause heat up at connection point of terminal fire or electrical shock 14 If the supply cord is damaged it must be replaced by the manufacture or its service agen...

Page 94: ... young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with the appliance 7 Don t install the air conditioner in the following locations There is petrolatum existing There is salty air surrounding near the coast There is caustic gas the sulfide for example existing in the air near a hot spring The Volt vibrates violently in the fac...

Page 95: ...pkeep is available keep a large enough maintenance hole typically 400x400mm 7 Avoid short circuit ventilation Purpose Ensure sufficient heat exchange of indoor unit and good air conditioning effect Risk of incorrect operation Poor air conditioning effect abnormal protection of the set 2 2 Installation of Outdoor Unit 2 2 1 Acceptance and unpacking 1 After the machine arrives check whether it is da...

Page 96: ...se 2 Base types 1 Steel structure base 2 Concrete base see the figure below for the general making method Remark The key points to make basement 1 The master unit s basement must be made on the solid concrete ground Refer to the structure diagram to make concrete basement in detail or make after field measurements 2 In order to ensure every point can contact equality the basement should be on comp...

Page 97: ...or unit 5 Ensure sufficient maintenance space is available at the installation site 2 2 6 Installation space for outdoor unit 1 One row Note 1m 3 28ft 100mm 3 15 16in 500mm 19 11 16in 800 31 1 2in 2 Two rows 3 More than two rows 4 When the outdoor unit is lower than the surrounding obstacle Refer to the layout used when the outdoor unit is higher than the surrounding obstacle However to avoid cros...

Page 98: ...ks otherwise a mechanic exhaust device must be added Note 300mm 11 13 16in 1000mm 39 3 8in 6 Set the snow proof facility In snowy areas facilities should be installed to prevent snow See the figure below defective facilities may cause malfunction Please lift the bracket higher and install snow shed at the air inlet and air outlet 1m 100 500mm Front Front 1m 1m h h H H A B C D 45 1000mm 300mm Airfl...

Page 99: ...in 250mm 9 27 32in 3000mm 118 7 64in 100mm 3 15 16in 940mm 37 1 64in 90mm 3 35 64in 10mm 25 64in 760mm 29 59 64in Unit mm 765 393 243 243 330 243 243 330 960 Support Radius Air outlet louver dimension optional C D A B 725 100 10 10 12 Φ3 2 Remove the iron filter firstly 12 ST3 9 self threading screws 920 E A 300 θ 15 C 3000 725 D 760 B 250 E A 725 Radius E Fig 4 23 Air outlet louver dimension opti...

Page 100: ...49 7 32in 3000mm 118 7 64in 250mm 9 27 32in Unit mm Unit mm Air outlet louver dimension optional C A 725 B 100 10 12 Φ3 2 1210 393 765 1250 411 411 213 411 411 213 Radius Support Remove the two iron filter firstly 12 ST3 9 self threading screws E A 300 θ 15 C 3000 725 D 760 B 250 E A 725 Radius E Air outlet louver dimension optional B 1290 Remove the two iron filters firstly 12 ST3 9 self threadin...

Page 101: ...city shall be placed at the first branch pipe In addition the outdoor unit with the highest cooling capacity shall be set to master unit while others shall be set to slave units The following takes a system with outdoor units of 40HP 10HP 14HP 16HP as an example 1 Place the outdoor unit of 16HP beside the first branch pipe see the figure below 2 Place the outdoor units in the descending order of t...

Page 102: ...erant and they will produce deposit through reaction which may cause complicated system fault Special Note Never use CCl4 for pipe cleansing and flushing or the system will be seriously damaged 3 1 1 3 Support for refrigerant pipe 1 Fixing horizontal pipe When the air conditioner is running the refrigerant pipe will deform for example shrunk expanded or inclined downward To avoid pipe damage use h...

Page 103: ...tallation instructions to confirm the models of branch pipe subassembly as well as the diameters of main pipe and branch pipe 3 Neither sharp bend an angle of 90 nor connection to other branch pipe subassembly is allowed at places within 500mm away from the branch pipe subassembly 4 Try best to install the branch pipe subassembly at a place that facilitates welding if doing so is impossible it is ...

Page 104: ...ht to avoid compressing deformation due to self weight 4 Use wooden support to ensure that the copper pipe is higher than the ground so as to make the pipe dust proof and water proof 5 Take dust proof and water proof measures at both ends of the pipe 6 Keep the pipes on special bracket or bench at specified place on the construction site 3 1 2 2 Correct to seal the opening 1 There are two ways for...

Page 105: ... pipe with covers 4 Place the openings of the pipe vertically or horizontally 5 Before putting the pipe outside the wall seal the opening of the pipe with a cover 6 Do not place the pipe on the ground directly or keep it away from ground friction 7 When conduct piping on a raining day remember to seal the openings of the pipe first 3 1 3 Processing of copper pipe 3 1 3 1 Pipe cutting 1 Tool Use a ...

Page 106: ...ipe expansion 1 Purpose Expand the opening of the pipe so that another copper pipe can be inserted to replace direct connection and reduce welding spots 2 Highlight Ensure that the connection part is smooth and even after cutting the pipe off remove the inner spurs 3 Operation method Insert the expanding header of the pipe expander into the pipe to expand the pipe After completing pipe expansion r...

Page 107: ...e refrigeration oil onto the inner surface and outer surface of the flaring opening to facilitate the connection or rotation of the flaring nut ensure close sticking between the sealing surface and the bearing surface and avoid pipe bending b Ensure that the flaring opening is not cracked or deformed otherwise it cannot be sealed or after the system runs for some time refrigerant leakage will occu...

Page 108: ...kness Outer Diameter Material Minimum Thickness 1 4 6 4 O 0 8 3 4 Ф19 0 O 1 0 1 1 2 Ф38 0 1 2H 1 5 3 8 9 53 O 0 8 55 64 Ф22 0 1 2H 1 2 1 49 64 Ф45 0 1 2H 1 5 1 2 12 7 O 0 8 63 64 Ф25 0 1 2H 1 2 2 1 8 Ф54 0 1 2H 1 8 5 8 Ф15 9 O 1 0 1 1 8 Ф28 6 1 2H 1 3 2 41 64 Ф67 0 1 2H 1 8 3 1 4 2 Nitrogen filling for protecting copper pipe during brazing welding 1 Purpose Avoid oxide scale from appearing on the ...

Page 109: ...charging joint is shown below 4 Cautions for Welding Pipe Fittings 1 Adopt transition pipe 2 Charge nitrogen from the side of the short pipe because short distance may result in perfectible nitrogen replacement effect nitrogen brazing welding part assistant pipe assembly copper pipe direct connection brazing welding part copper pipe elbows assistant pipe assembly nitrogen 5 Standard operation of B...

Page 110: ...welding spot is rather long ensure that the nitrogen is charged for sufficient time so as to discharge all the air from the welding spot 7 After completing the welding charge the nitrogen continuously until the pipe cools down completely 8 Try best to conduct welding downwards or horizontally and avoid face down welding 7 Cautions 1 Take fire prevention measures when conducting welding ensure that...

Page 111: ...ethylene or carbon dioxide there is a risk of condensation If using oxygen there is a risk of explosion 2 Making use of inflation tube to connect outlet of pressure adjusting valve and inlet at liquid pipe side of outdoor unit 3 Use blind plug to block all connectors of liquid side copper line including unit B soundly excluding indoor unit A 4 Turn on nitrogen gas cylinder valve and then pressuriz...

Page 112: ...ing when pipeline has been connected to system sequence of flushing is from far to near that is in light of principal unit flushing from the farthest pipe opening to principal unit in turn i e 1 2 3 4 5 6 Caution When flushing one pipe opening block all pipe openings which are connected to this opening 6 After finishing flushing seal soundly all openings linked with atmosphere to prevent the enter...

Page 113: ...n control diagram of pressurization is as follows No Phase phase in pressurization Criteria 1 Phase 1 appear large leakage after over three minutes of pressurization with 3 0kgf cm2 No pressure drop after modification 2 Phase 2 appear major leakage after over three minutes of pressurization with 15 0kgf cm2 3 Phase 3 appear small leakage after over 24 hours of pressurization with R410A 40 0kgf cm2...

Page 114: ...d storage 5 If pipeline is too long conduct phase in detection a Inner side of pipeline b Inner side of pipeline upright c Inner side of pipeline upright outer side of pipeline 3 3 Vacuum Drying 3 3 1 Purpose and highlights of vacuum drying 3 3 1 1 Purpose of vacuum drying 1 Dehumidify the system to prevent ice blockage and copperizing Ice blockage shall cause abnormal operation while copperizing ...

Page 115: ...m pump running for above 2 hours and it is quality that vacuum degree of vacuum pump is below 755mmHg 2 If the vacuum degree of vacuum pump could not be below 755mmHg after 2 hours of drying system will continue drying for one hour 3 If the vacuum degree of vacuum pump could not be below 755mmHg after 3 hours of drying please check the system leakage source 4 Vacuum placement test when the vacuum ...

Page 116: ...uum degree is still above 755mmHg within 2 hours drying please repeat the procedures of vacuum damage vacuum drying d Vacuum placement test when the vacuum degree reaches 755mmH keep rest for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture and leak source ...

Page 117: ...of temperature and length of pipeline 2 In the cold ambient use warm water and hot wind to warm up refrigerant storage cylinder and don t allow heating up directly by flame 3 4 1 3 Recharging R410A refrigerant If R410A refrigerant is adopted the tool shall be different Confirm the following items before Recharged 1 The different vacuum pump with one way valve 2 The different pressure gauge the nut...

Page 118: ...advantages of incorrect connection 1 Interfere drainage 2 The side of branch pipe with large quantity of fluid volume will flow to the side with small quantity thus leading to the water backwards of branch pipe with small quantity 3 Suspender gap In general the horizontal gap is 0 8m 1m and the vertical gap is 1 5m 2 0m Each vertical pipe shall be equipped with not less than two suspenders Overlar...

Page 119: ... water into the water containing plate of indoor unit and powering on 4 All joints shall be firm particularly PVC pipe 5 The drainage pipe is not allowed to turn to adverse slope horizontal and bending 6 Dimension of drainage pipe shall be not less than the connecting mouth size of drain piping to indoor unit 7 Work out thermal insulation of drainage pipe otherwise it is easy to produce condensati...

Page 120: ...diameter and permitted displacement of condensate water PVC piping Inner diameter of piping reference value mm Inner diameter of piping mm Permitted displacement 1 h Remark Slope 1 50 Slope 1 100 PVC25 19 20 39 27 Reference value could not used for confluence pipe PVC32 27 25 70 50 PVC40 34 31 125 88 Could be used for confluence pipe PVC50 44 40 247 175 PVC63 56 51 473 334 Attention through conver...

Page 121: ...ipe on the lifting pipe section After lifting vertically immediately place down inclined otherwise it will cause error operation of switch at water pump The connecting method is shown as follows Note Air outlet could not be installed on the lifting part otherwise water shall be discharged to ceiling or could not be discharged 4 5 Overflowing Water Test and Water Passing Test 4 5 1 Overflowing wate...

Page 122: ...abnormal 3 minutes later If drainage pipe have not been distributed properly over back flow water shall cause the flashing of alarm indicator at remote controlled receiving board and even water shall run over the water containing plate b Continuously add water until reaching alarm water level check whether the drainage pump could discharge water at once If water level does not decline under warnin...

Page 123: ...g retardant with rating B1 and no harm to people s body 5 The permitting deviation to outer diameter or long edge of duct when no more than 300mm it is 2mm when more than 300mm it is 3mm The permitting deviation of pipe end flatness is 2mm Discrepancy between two diagonal lines of rectangle duct shall not be more than 3mm Discrepancy between two diameters of any cross cut circular flange shall not...

Page 124: ...ess than or equal to 15 3 4 400mm while the gap should be no more than 9 84ft 3m when diameter or edge length is more than 15 3 4 400mm 2 If duct is installed vertically gap should be no more than 4m and make sure there is at least 2 fixed points on single straight pipe 2 Supporting hanging and mounting bracket could not be installed at air opening valve checking door and automatically controlled ...

Page 125: ... is necessary to carry out insulation otherwise it shall reduce the performance of unit and burn compressor 2 Gas pipe temperature is very low during cooling If insulation is not enough it shall form dew and cause leakage 3 Temperature of outlet pipe gas pipe is very high generally 50 100 during heating Touching due to carelessness shall cause hurt so it is necessary to take insulation measures to...

Page 126: ...e joint with glue Highlights of insulation repairing 1 Repaired length of insulation insulation tube with filled gap shall be 1 31 32in 3 15 16in 50 100mm longer than the length of gap under natural status 2 Sliver the cut of insulation to be repaired and cross section shall be even 3 Insert gap with insulation for repairing and cross section shall be pressed tightly 4 All cross section and cut ne...

Page 127: ... bracket of duct should be set up to the outside of insulation layer and insert bed timber between bracket and duct 5 Thickness of insulation layer 1 As for the inlet and outlet duct installed in room free of air conditioner the thickness of insulation layer should be above 1 37 64 40mm when adopting centrifugal glass cotton for insulation 2 As for the inlet and outlet duct installed in room with ...

Page 128: ...power supply less than 50A Make sure to address the outdoor unit which is in combination type 7 2 3 Electric characteristics Model Outdoor Unit Power Supply Compressor OFM Hz Voltage Min Max MCA TOCA MFA MSC RLA kW FLA 38VF008H117010 60 208 188 253 36 0 35 0 40 35 5 0 42 4 4 38VF010H117010 60 208 188 253 36 0 35 0 40 35 5 0 42 4 4 38VF012H117010 60 208 188 253 46 5 49 5 55 35 5 21 1 0 22 2 2 2 2 3...

Page 129: ...le voltage variation between phases is 2 6 Selection wire size based on the larger value of MCA or TOCA 7 MFA is used to select the circuit breaker and the ground fault circuit interrupter earth circuit breaker 7 3 Signal wiring installation The signal line should be shielded wire Using other wiring shall create signal interference thus leading to error operation The shielded nets at the two sides...

Page 130: ...nd of shield wire open group control The indoor unit at the terminal of communication system should parallel connect a resisitor between port P and port Q P Q matching resisitor Outdoor unit master unit Outdoor unit slave unit Outdoor unit slave unit Outdoor unit slave unit Signal wire between indoor and outdoor units All shield terminals of shield wires should connect to COMM terminal ...

Page 131: ...is needed it is more complex and not suggested Anyway the diagram below shows the connection of signal wire in this case H1 H2 E X Y E K1 K2 E H1 H2 E H1 H2 E P Q E P Q E P Q E P Q E Max 64 K1 K2 E K1 K2 E K1 K2 E Previous Page up Page down Next query Set Module Ok AddressLock M F1 F2 E To RS485 RS232 Converter Outdoor Unit Master Outdoor Unit Slave Outdoor Unit Slave Outdoor Unit Slave F1 F2 E To...

Page 132: ...and keep connected for above 12 hours so that heater heating up refrigerant oil in compressor 6 Turn on gas pipe stop valve liquid pipe stop valve oil balance valve and gas balance valve totally If the above valves do not be turned on totally the unit should be damaged 7 Check whether the power phase sequence of outdoor unit is correct 8 All dial switches to indoor and outdoor unit have been set a...

Page 133: ...iability of system 8 2 2 Commissioning for the trial run of the paralleled system 1 Check and confirm that operation of single unit is normal through trial operation After confirm it is normal conduct operation of the whole system i e Commissioning of system 2 Commissioning is carried out according to the Technical Requirement of Product When Commissioning analyze and record operation status so as...

Page 134: ...Item name Address Tel Supplier Delivery date dd mm yy Installation section Principal Commissioning section Principal Remark recharged refrigeration quantity to system kg Name of refrigerant R22 R407C R410A Installing section Commissioning name seal seal Signature Signature Date _____dd____mm____yy Date _____dd____mm____yy ...

Page 135: ...or 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 cm2 Low pressure pressure kg cm2 Inlet air temperature C Outlet air temperature C Operation data of indoor unit No Position Model Bar code of indoor unit Inlet air temperature C Outlet air temperature C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Page 136: ...corrected capacity Available for main unit 24 23 Reserve 8 7 Operation mode 0 2 3 4 0 off 1 air supply 2 cooling 3 heating cooling only type without 4 forced cooling 25 24 Quantity of indoor units 9 8 This outdoor unit actual operation capacity Capacity requirement 26 25 Quantity of the working indoor units Actual value 10 9 Speed of fan A 0 off 1 15 speed increasing sequentially 15 is the max fan...

Page 137: ...ng 4 Forced cooling Fan speed 0 OFF 1 15 Speed increasing sequentially 15 is the max fan level PMV opening angle pulse count display value 8 Noise control mode 0 Night silent mode 1 Silent mode 2 Super silent mode 3 None silent mode Priority mode 0 heating priority mode 1 cooling priority mode 2 opening the priority mode 3 response the heating mode only 4 response the cooling mode only SW1 Forced ...

Page 138: ...ter Series Carrier service manual 156 Troubleshooting Part 5 Troubleshooting 1 Outdoor electric control box assembly instructions 157 2 Main control board instructions 158 3 Error code table 163 4 Troubleshooting 164 ...

Page 139: ...module radiator ass y 13 Power transformer 7 Wiring board ass y 14 Wire joint 4p 12 16HP NO Content NO Content 1 Power drive mounting plate ass y 10 Filter board ass y 2 Inverter module 11 Contactor 3 Three phase bridge 12 Reactance 4 Power module ass y 13 Wiring board ass y 5 Common mode choke 14 Transformer 6 Power module ass y 15 Power transformer 7 Fan module radiator ass y 16 Wire joint 4p 8 ...

Page 140: ...ellow Yellow AC 14 5V Blue Blue 16V 18 CN14 Activation port of inverter module B The left the third pin DC3 3V 19 CN17 Port for inverter module B voltage inspection DC310V 15V N 20 CN18 Port for inverter module A voltage inspection DC310V 15V N 21 CN13 Activation port of inverter module A The left the third pin DC3 3V 22 CN19 Power supply connected port of the main control panel GND 5V 12V GND 12V...

Page 141: ...lue 16 Discharge temperature of inverter compressor B Actual value 17 Heat sink temperature Actual value 18 Discharge pressure corresponding to the saturation temperature Actual value display value 30 19 Current of inverter compressor A Actual value 20 Current of inverter compressor B Actual value display value 8 21 Opening angle of EXV A Actual value display value 8 22 Opening angle of EXV B Actu...

Page 142: ...is low pressure reserve position use for customized unit Static pressure mode is medium pressure reserve position use for customized unit Static pressure mode is high pressure reserve position use for customized unit S5 locking modes selection Heating priority mode default Cooling priority mode VIP priority or Vote priority Only respond to the heating mode Only respond to the cooling mode S6 addre...

Page 143: ...9 on ENC3 refer to 0 9 indoor units A F on ENC3 refer to 10 15 indoor units The quantity of indoor unit is 16 31 0 9 on ENC3 refer to 16 25 indoor units A F on ENC3 refer to 26 31 indoor units The quantity of indoor unit is 32 47 0 9 on ENC3 refer to 32 41 indoor units A F on ENC3 refer to 42 47 indoor units The quantity of indoor unit is 48 63 0 9 on ENC3 refer to 48 57 indoor units A F on ENC3 r...

Page 144: ...p The lamp will flash in three phase phase sequence protection LED4 LED6 Running indicator lamp of inverter module The lamp will be on if the compressor is running and will flash when in standby condition LED5 LED7 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 Note For 8HP and 10HP model when it is...

Page 145: ...ents for a unit which is not No 0 P1 High pressure protection P2 Low pressure protection There are 3 times P2 protection in 60 minutes Display H5 can t recover xP3 Compressor over current protection x represents for a system 1 is A system 2 is B system P4 Discharge temperature sensor protection There are 3 times P6 protection in 100 minutes Display H6 can t recover P5 Pipe temperature sensor prote...

Page 146: ... be set from 1 to 3 and the addresses should not be repeated in one system Reset the ODU addresses ODU communication wires are connected incorrectly all the wires for H1 H2 E connections should be 3 core shielded wire the wiring should be polarity connection H1 connect to H1 H2 connect to H2 the wiring should not be short circuit Replace the communication wires to 3 core shielded wire reconnect th...

Page 147: ...in line shape The communication wires are interfered by high voltage power voltage over 208 230V is high voltage power Communication wires are close to electromagnetic interference source Such as transfer strong fluorescent lamp etc Remove the interference source or use device to filter out the interference The length of communication wire is over 1200m Adjust the wire length to less than 1200m or...

Page 148: ...on and the buzzer is not 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 16 8 4 2 If the Operation Timer and DEF FAN lights are normally on and the buzzer is warning that means the address code is 46 32 8 4 2 If the four LED lights are flash and the buzzer is warning that...

Page 149: ...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 unit is 200 100W 8 0HP The Operation and Alarm lights are normally on that means the capacity code is 9 8 1 and the achievable capacity of single PCB is 140 100W 5 0HP then add the value of two PCB so th...

Page 150: ...en sensor and main control board is loose Fasten the connecting port Sensor is short circuit or disabled Using a multimeter to measure resistance if the resistance is too small the sensor is short circuit if the resistance in certain temperature is not consistent with attached table 1 the sensor is disabled Replace the sensor Outdoor main control board is damaged No No Yes Yes Replace the outdoor ...

Page 151: ...circuit 3 How to check whether the inverter module is output error Dial the multimeter to diode position black pen on P and red pen respectively on U V W if the multimeter displays 0 3 0 7 V it is normal Red pen on N black pen respectively on U V W if the multimeter displays 0 3 0 7 V it is normal Satisfying the above two conditions at the same time indicates that the inverter module has no proble...

Page 152: ...or is short circuit or disabled Using a multi meter to measure resistance if the resistance is too small the sensor is short circuit if the resistance in certain temperature is not consistent with attached table 1 the sensor is disabled Replace the sensor Outdoor main control board is damaged No No Yes Yes Replace the outdoor main control board E8 Outdoor unit address is wrong The ODU s address is...

Page 153: ...nals of 32 CN19 port is 5V and between GND and 12V terminals of 32 CN19 port is 12V 2 How to check whether the transformer on PCB is disabled The voltage input for 25 CN12 and 28 CN15 terminals are both 208 230V the voltage output of 25 CN12 terminal is AC9V yellow yellow and AC13 5V brown brown the voltage output of 28 CN15 terminal is AC14 5V yellow yellow and AC 16V blue blue If the voltage is ...

Page 154: ...wer supply once some outdoor unit is power off other outdoor units are still running it may cause system unbalance and damage devices H2 H3 Communication wire between outdoor units is loose Fasten the signal wire Some outdoor units addresses ENC1 are setting repeatedly Set the addresses ENC1 differently Some outdoor units in combination is power off check the LED1 on PCB if LED1 is on the PCB is p...

Page 155: ...between Q and GND is DC2 3 2 8V 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 caused by dropped indoor units with EXV unclosed H7 Quantity of indoor units decrease error Communication terminals P Q E are loose Fasten the communication terminals Yes Transformer of IDU is disa...

Page 156: ... after recharging 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 value and suction pipe may be frosting 4 The phenomenon of the indoor load is too large The suction temperature and discharge temperature are both higher than normal value 5 The phenomenon of th...

Page 157: ...o 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 fist power on and P1 protection will disappear after system is steady If the system install three phase protector and the three phase protector connect with low pressure switch in series connection the system ...

Page 158: ...ormal system running parameters please 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 fist power on and P1 protection will disappear after system is steady If the system install three phase protector and the three phase protector connect with low pr...

Page 159: ...ssure meter 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 5Ω the resistance between each terminal and ground is infinity if the resistance is out of the normal range the compressor is error The normal system running parameters please refer to attached ta...

Page 160: ...ure is 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 than normal value compressor makes noise pressure meter do not display steady P5 Condenser temperature protection T3 port on PCB is loose Fasten the T3 port T3 sensor is short circuit or disabled Re...

Page 161: ...ection L8 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 error P6 will disappear in one minute Then press the check button to find the specific error code Check module and compressor Check power supply of module Check power supply of module Check modu...

Page 162: ...e works replace the PCB Module check 1 DC voltage between P and N should be about 1 41 times of the local power supply voltage 2 DC voltage between 1 and 2 should be 270V to 310V 3 First adjust multi meter to diode position put the red pen on the 1 point N terminal put black pen on the 3 or 4 or 5 point the value should be approximate 0 3 if the value is 0 the IPM is broken And then change the red...

Page 163: ... OK control box A is malfunction then check the inverter module If the compressor could not start normally that means the compressor is malfunction then go to step 3 to check the compressor Step 3 Check the compressor Measure the resistance between each two of U V W terminals all the resistance should be the same and less than 5 Ohms Fig A and Fig B Measure the resistance between each of U V W ter...

Page 164: ...ries Carrier service manual 182 Troubleshooting Step 2 Check whether the wires of rectifier circuit are loose or not If wires are loosen fasten the wires If wires are OK replace the PCB Filter board 3 Phase rectifier stack ...

Page 165: ...se go to step 3 Step 2 check the voltage between P 15V and N terminal on PCB the normal value between P and N should be 1 4 times the rated voltage the normal value between 15V and N should be 15V If the values are normal that means PCB has been malfunction needs to be replaced or else reinstall the wire connection Step 3 check whether the power supply votage is higher than 1 1 times the rated vol...

Page 166: ...ad heat dissipation or high ambient temperature Make sure the fan module working in the normal temperature range Some power wires or signal wires of fan module are loose Well connect the power wires and signal wires The fan motor is blocked or disabled Clear away the block or replace the fan motor Output voltage between P and N on fan module is abnormal Replace the power supply module Fan module i...

Page 167: ...t At first the lamp is on then the lamp is off On P9 H9 Check whether the drive port and signal feedback port is loose whether the fan module and fan motor is installed firmly If above conditions are all OK it needs to replace the fan module When fan motor start At first the lamp is on then the lamp flicker On P9 H9 Check whether the transformer in lightning protection plate Is open circuit whethe...

Page 168: ...4 1 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 39 5 39689 79 1 2133 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4 96392 81 1 13604 121 0 35042 2 31 5635 42 4 76253 82 1 09958 122 0 3413 3 29 9058 43 4 5705 83 1 06448 123...

Page 169: ... 40 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 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29 15 80 6 859 120 2 117 1 171 9 41 28 81 6 641 121 2 061 2 163 3 42 26 9 82 6 43 122 2 007 3 155 2 43 25 86 83 6 2...

Page 170: ...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 valve MPa 0 7 0 9 0 8 1 0 1 0 1 2 1 2 1 4 Discharge temperature spot check 50 65 70 85 70 90 80 90 DC Inverter compressor current spot check A 4 5 6 7 7 8 9 11 Fixed compressor current spot check A 6 ...

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